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Cheap flights from O'Hare Intl (ORD) to Heathrow (LHR) from $334

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
ORD — LHR
Jun 12 — Jun 191
From?
To?
Wed 6/12
Wed 6/19
1 adult, Economy
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The best prices from Chicago O'Hare Intl to London Heathrow are usually found in February or October, booked 89 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Cheap flight deals from O'Hare Intl to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 7, 2024.

Popular in

June

Cheapest in

February

Round-trip from

$643

One-way from

$353
High demand for flights, 36% potential price rise
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Best time to find cheap flights, 21% potential price drop
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From Chicago O'Hare Intl to London Heathrow
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One-way flight from Chicago O'Hare Intl to London Heathrow
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What is the cheapest day to fly round-trip from Chicago O'Hare Intl Airport to London Heathrow Airport?

Users have found that flying from Chicago O'Hare Intl Airport to London Heathrow Airport on a Friday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

How far in advance should I book a flight from Chicago O'Hare Intl Airport to London Heathrow Airport?

Travelers have found it’s best to book a flight 11 days in advance to save up to 3% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 11 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Chicago O'Hare Intl Airport to London Heathrow Airport 1-2 weeks in advance for as low as $654, or $677 for flights within the next 24 hours.

What is the cheapest month to fly from Chicago O'Hare Intl Airport to London Heathrow Airport?

February is one of the best times of the year to fly to London Heathrow Airport from Chicago O'Hare Intl Airport. Prices for February average $760 per person but you can even find prices for as low as $435. The most expensive prices can be found in the month of June. Opting for a February flight can save you 48% on your journey compared to booking in June

What is the cheapest time of day to fly from ORD to LHR?

A simple way to save on the total cost of your ticket is to fly from Chicago O'Hare Intl Airport to London Heathrow Airport in the evening. If you’re flexible enough to do this you can expect to save up to 5% on your trip compared to booking a flight at noon.

Cheap O'Hare Intl to Heathrow flights in June & July 2024

Find cheap flight options from O'Hare Intl to Heathrow specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,045,324 searches. Prices were last updated on June 7, 2024.
These are some of the most attractive deals on flights from Chicago to London in 2024. Check back in a little while for more flight options.
Mon 7/2210:15 pmORD - LHR
1 stop16h 05mIcelandair
Sun 12/1512:15 pmLHR - ORD
1 stop11h 05mIcelandair
Deal found 6/7$538
Wed 7/316:00 pmORD - LHR
1 stop15h 35mTAP AIR PORTUGAL
Wed 4/308:00 amLHR - ORD
1 stop14h 10mTAP AIR PORTUGAL
Deal found 6/6$548
Mon 7/296:00 pmORD - LHR
1 stop22h 00mTAP AIR PORTUGAL
Wed 8/286:00 amLHR - ORD
1 stop16h 10mTAP AIR PORTUGAL
Deal found 6/6$554
Mon 7/296:00 pmORD - LHR
1 stop22h 55mTAP AIR PORTUGAL
Tue 8/276:45 pmLHR - ORD
1 stop27h 25mTAP AIR PORTUGAL
Deal found 6/6$564
Wed 7/3110:45 pmORD - LHR
Nonstop7h 30mFinnair
Wed 4/307:30 amLHR - ORD
1 stop15h 55mFinnair
Deal found 6/6$575
Mon 7/1510:15 pmORD - LHR
1 stop31h 40mIcelandair
Mon 9/21:05 pmLHR - ORD
1 stop11h 10mIcelandair
Deal found 6/6$586
Mon 7/2910:15 pmORD - LHR
1 stop31h 40mIcelandair
Sat 8/311:05 pmLHR - ORD
1 stop11h 10mIcelandair
Deal found 6/6$590
Mon 7/157:25 pmORD - LHR
1 stop10h 30mIcelandair
Mon 8/199:25 pmLHR - ORD
1 stop26h 50mIcelandair
Deal found 6/5$597
Tue 7/307:25 pmORD - LHR
1 stop10h 30mIcelandair
Sun 8/189:25 pmLHR - ORD
1 stop26h 50mIcelandair
Deal found 6/6$598

O'Hare Intl to Heathrow 2024 flight deals

Discover exclusive flight deals for travel between O'Hare Intl and Heathrow in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,045,324 searches. Data last updated June 7, 2024.
These are some of the most attractive deals on flights from Chicago to London in 2024. Check back in a little while for more flight options.
Fri 11/85:30 pmORD - LHR
1 stop9h 55mBritish Airways
Mon 11/1111:00 amLHR - ORD
Nonstop8h 55mBritish Airways
Deal found 6/6$381
Wed 11/277:15 pmORD - LHR
1 stop17h 40mTAP AIR PORTUGAL
Thu 12/56:30 pmLHR - ORD
1 stop27h 00mTAP AIR PORTUGAL
Deal found 6/7$458
Sun 11/248:25 pmORD - LHR
1 stop19h 10mTAP AIR PORTUGAL
Tue 12/36:30 pmLHR - ORD
1 stop27h 00mTAP AIR PORTUGAL
Deal found 6/7$467
Sun 10/66:00 pmORD - LHR
1 stop22h 55mTAP AIR PORTUGAL
Tue 10/156:45 pmLHR - ORD
1 stop27h 25mTAP AIR PORTUGAL
Deal found 6/6$470
Sun 10/206:00 pmORD - LHR
1 stop12h 45mTAP AIR PORTUGAL
Wed 10/306:00 amLHR - ORD
1 stop15h 30mTAP AIR PORTUGAL
Deal found 6/7$474
Wed 11/67:15 pmORD - LHR
1 stop16h 15mTAP AIR PORTUGAL
Wed 11/206:00 amLHR - ORD
1 stop15h 30mTAP AIR PORTUGAL
Deal found 6/6$475
Sun 11/248:25 pmORD - LHR
1 stop15h 05mTAP AIR PORTUGAL
Fri 11/296:00 amLHR - ORD
1 stop15h 30mTAP AIR PORTUGAL
Deal found 6/6$483
Sun 10/279:25 pmORD - LHR
1 stop15h 05mTAP AIR PORTUGAL
Thu 11/77:55 pmLHR - ORD
1 stop25h 35mTAP AIR PORTUGAL
Deal found 6/6$485
Wed 11/207:15 pmORD - LHR
1 stop20h 20mTAP AIR PORTUGAL
Tue 12/36:30 pmLHR - ORD
1 stop27h 00mTAP AIR PORTUGAL
Deal found 6/7$490

O'Hare Intl to Heathrow flights leaving soon

Find last-minute flight options from O'Hare Intl to Heathrow for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,045,324 searches. Data last updated June 7, 2024.
Book one of these great deals on flights from Chicago to London. Users should be sure to double check the price, date, and time of their last-minute flight.
Thu 6/138:10 amORD - LHR
Nonstop8h 00mBritish Airways
Tue 6/186:10 amLHR - ORD
1 stop13h 35mBritish Airways
Deal found 6/5$698
Thu 6/138:10 amORD - LHR
Nonstop8h 00mBritish Airways
Tue 6/1812:15 pmLHR - ORD
Nonstop8h 40mBritish Airways
Deal found 6/5$699
Thu 6/138:10 amORD - LHR
Nonstop8h 00mBritish Airways
Thu 6/2012:15 pmLHR - ORD
Nonstop8h 40mBritish Airways
Deal found 6/6$700
Thu 6/138:10 amORD - LHR
Nonstop8h 00mAmerican Airlines
Thu 6/209:15 amLHR - ORD
1 stop12h 50mAmerican Airlines
Deal found 6/6$710
Wed 6/1911:25 amORD - LHR
1 stop28h 15mIberia
Sat 9/213:35 pmLHR - ORD
Nonstop8h 40mIberia
Deal found 6/5$714
Thu 6/138:10 amORD - LHR
Nonstop8h 00mFinnair
Thu 6/2010:30 amLHR - ORD
1 stop14h 49mFinnair
Deal found 6/6$715
Thu 6/138:10 amORD - LHR
Nonstop8h 00mBritish Airways
Mon 6/177:25 pmLHR - ORD
1 stop24h 20mBritish Airways
Deal found 6/6$716
Wed 6/128:10 amORD - LHR
Nonstop8h 00mBritish Airways
Wed 6/196:55 amLHR - ORD
2 stops16h 37mBritish Airways
Deal found 6/6$722
Thu 6/138:10 amORD - LHR
Nonstop8h 00mBritish Airways
Wed 6/193:35 pmLHR - ORD
Nonstop8h 40mBritish Airways
Deal found 6/6$728

One-way flights to Heathrow from O'Hare Intl

Search for one-way flight options from O'Hare Intl to Heathrow. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,045,324 searches. Data last updated June 7, 2024.
If you're seeking multiple options on one-way flights from Chicago to London, be sure to check out these deals, which are updated often. Users needing a return flight from Chicago to London should utilize the search form above.
Wed 7/106:00 pmORD - LHR
1 stop15h 35mTAP AIR PORTUGAL
Deal found 6/6$334
Wed 7/1012:24 pmORD - LHR
2 stops19h 01mMultiple Airlines
Deal found 6/6$335
Sat 7/1311:13 amORD - LHR
3 stops38h 47mMultiple Airlines
Deal found 6/7$336
Mon 7/2211:13 amORD - LHR
2 stops18h 42mMultiple Airlines
Deal found 6/6$337
Mon 7/86:00 pmORD - LHR
2 stops36h 50mMultiple Airlines
Deal found 6/7$338
Wed 8/144:57 pmORD - LHR
2 stops22h 53mMultiple Airlines
Deal found 6/7$339
Sun 7/146:00 pmORD - LHR
2 stops36h 10mMultiple Airlines
Deal found 6/7$340
Mon 7/88:57 pmORD - LHR
3 stops58h 28mMultiple Airlines
Deal found 6/6$342
Tue 7/95:07 pmORD - LHR
3 stops22h 28mMultiple Airlines
Deal found 6/6$343

Find flights from O'Hare Intl to Heathrow within your budget

Customize your flight search to find flights from O'Hare Intl to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 3,045,324 searches. Data last updated June 7, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$624 - $664

Route

Depart

Return

Price

Chicago O'Hare IntlLondon Heathrow

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Wed 9/4

1 stop11h 11m

London Heathrow

Wed 9/18

Nonstop8h 35m

$624

Chicago O'Hare IntlLondon Heathrow

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Fri 8/16

1 stop22h 55m

London Heathrow

Thu 8/22

1 stop26h 10m

$626

Chicago O'Hare IntlLondon Heathrow

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Wed 8/14

1 stop11h 15m

London Heathrow

Tue 8/27

1 stop14h 16m

$627

Chicago O'Hare IntlLondon Heathrow

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Sun 8/18

2 stops19h 50m

London Heathrow

Sun 8/25

2 stops32h 20m

$628

Chicago O'Hare IntlLondon Heathrow

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Fri 8/16

1 stop11h 20m

London Heathrow

Sun 8/25

1 stop11h 40m

$629

Chicago O'Hare IntlLondon Heathrow

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Mon 8/5

1 stop16h 05m

London Heathrow

Thu 8/22

1 stop11h 05m

$636

Chicago O'Hare IntlLondon Heathrow

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Fri 8/30

Nonstop7h 40m

London Heathrow

Thu 9/5

Nonstop8h 35m

$648

Chicago O'Hare IntlLondon Heathrow

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Fri 8/30

Nonstop7h 40m

London Heathrow

Tue 9/3

Nonstop8h 35m

$649

Chicago O'Hare IntlLondon Heathrow

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Mon 8/19

Nonstop8h 15m

London Heathrow

Wed 8/28

1 stop12h 35m

$664

Flights are sorted by cheapest first

Deals found on 6/7

How far ahead should I book a flight from Chicago O'Hare Intl Airport to London Heathrow Airport?

Use this chart to determine the optimal time to book a round-trip flight from O'Hare Intl to Heathrow. Price data was last updated on May 31, 2024.
The price you pay for your flight from Chicago O'Hare Intl Airport to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 89 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Search Deals

What is the cheapest day to fly from Chicago O'Hare Intl Airport to London Heathrow Airport?

Use this chart to determine the cheapest time to fly round-trip from O'Hare Intl to Heathrow. Price data was last updated on June 2, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to London Heathrow Airport flight should consider departing on Monday at noon when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from O'Hare Intl to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from O'Hare Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Temperature and rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature and rainfall totals by month.

LON

Temperature

39.2 - 62.6 °F

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated June 7, 2024.
To help decide which airline to fly from Chicago to London, see what other customers have to say about Scandinavian Airlines, Aer Lingus and Icelandair. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
10,347 reviews

Comfort

7.9

Overall

8.0

Crew

8.6

Boarding

8.2

Entertainment

8.0

Food

7.4

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Delta
8.0
Very good
10,347 reviews
Delta
8.0
Very good
10,347 reviews

Comfort

7.9

Overall

8.0

Crew

8.6

Boarding

8.2

Entertainment

8.0

Food

7.4

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

KLM
7.9
Good
1,483 reviews
Delta
8.0
Very good
10,347 reviews

Comfort

7.9

Overall

8.0

Crew

8.6

Boarding

8.2

Entertainment

8.0

Food

7.4

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

SWISS
7.8
Good
1,927 reviews
Delta
8.0
Very good
10,347 reviews

Comfort

7.9

Overall

8.0

Crew

8.6

Boarding

8.2

Entertainment

8.0

Food

7.4

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Finnair
7.8
Good
1,362 reviews
Delta
8.0
Very good
10,347 reviews

Comfort

7.9

Overall

8.0

Crew

8.6

Boarding

8.2

Entertainment

8.0

Food

7.4

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

JetBlue
7.6
Good
4,308 reviews
Delta
8.0
Very good
10,347 reviews

Comfort

7.9

Overall

8.0

Crew

8.6

Boarding

8.2

Entertainment

8.0

Food

7.4

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from Chicago O'Hare Intl Airport to London Heathrow Airport for under $700 on Cheapflights?

    Yes, there are multiple flights from Chicago O'Hare Intl Airport to London Heathrow Airport for under $700. The cheapest flight booked recently is on Iberia for just $624, but on average you can expect to pay $634.

  • Are there nonstop flights from Chicago O'Hare Intl Airport to London Heathrow Airport for under $600 on Cheapflights?

    Cheapflights has at least 20 direct flights from Chicago O'Hare Intl Airport to London Heathrow Airport under $600. A good price for a nonstop flight from Chicago O'Hare Intl Airport to London Heathrow Airport is less than $601.

  • Are there last-minute flights available from Chicago O'Hare Intl Airport to London Heathrow Airport for under $700?

    There are currently 20+ open flights from Chicago O'Hare Intl Airport to London Heathrow Airport within the next 7 days for less than $700.

  • What days are nonstop flights available from Chicago O'Hare Intl Airport to London Heathrow Airport?

    Days when nonstop flights are available for this flight are: Monday.

  • How many flights depart from Chicago O'Hare Intl Airport to London Heathrow Airport on average per day?

    Per day, 1 flight departs from Chicago O'Hare Intl Airport to London Heathrow Airport on average.
    Evening (6pm - Midnight) - 100% of flight departures

  • How long is the flight from Chicago O'Hare Intl Airport to London Heathrow Airport?

    There are many flights that can get you from Chicago O'Hare Intl Airport to London Heathrow Airport in 11h 11m. Fly via Iberia, TAP AIR PORTUGAL, or Delta to get the fastest option. Airlines will cover a distance of 3964 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Chicago O'Hare Intl Airport to London Heathrow Airport round-trip?

    Iberia, at $624, was found to be the cheapest airline from Chicago O'Hare Intl Airport to London Heathrow Airport.Alternate airlines to your destination round-trip include TAP AIR PORTUGAL and Delta. Users have found that Iberia is 23% cheaper than the other options available to this destination.

  • What are the most reliable airlines from Chicago O'Hare Intl Airport to London Heathrow Airport?

    No one likes to see their flight delayed. When booking a flight from Chicago O'Hare Intl Airport to London Heathrow Airport consider choosing Air Canada (71%), Austrian Airlines (71%) or United Airlines (71%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Chicago O'Hare Intl Airport to London Heathrow Airport?

    The cheapest flight price from Chicago O'Hare Intl Airport to London Heathrow Airport is $452. On average you can expect to pay $2,771. The most popular route, (Chicago O'Hare Intl - London Heathrow), can usually be booked for $381.

  • What does ORD to LHR mean?

    This is defined as Chicago O'Hare Intl Airport (ORD) and London Heathrow Airport (LHR). Codes like London Heathrow Airport are often used to just call airports uniquely.

  • Where are the most common layover locations when flying from Chicago O'Hare Intl Airport to London Heathrow Airport?

    Chicago O'Hare Intl Airport to London Heathrow Airport flights have a layover in Dublin most of the time. Reykjavik sees the second most layovers for non-direct flights flying from Chicago O'Hare Intl Airport to London Heathrow Airport.

  • What are some popular things to do or see while on a layover in Dublin?

    St. Patrick's Cathedral, Molly Malone Statue, and Dublin Castle are the most popular attractions in Dublin if you're in need of something to do during your layover. St. Patrick's Cathedral, Molly Malone Statue, and Dublin Castle can be accessed by traveling approximately 6.1 mi, 5.8 mi, and 5.8 mi, respectively from Dublin. Travelers in need of a car in Dublin can rent one for about $30 per day.

  • What are some popular points of interest to see during a layover in Reykjavik?

    The majority of Reykjavik visitors spend their time at Hallgrímskirkja, Icelandic Phallological Museum, and Harpa. Hallgrímskirkja, Icelandic Phallological Museum, and Harpa are located about 23.2 mi, 23.5 mi, and 23.3 mi, respectively from Reykjavik Keflavik Intl. Travelers in need of a car in Reykjavik can rent one for about $57 per day.

  • Where are the least popular layover locations for Chicago O'Hare Intl Airport to London Heathrow Airport flights?

    Flights departing from Chicago O'Hare Intl Airport and landing in London Heathrow Airport layover in Copenhagen least frequently.

  • Can I find deals for flights from O'Hare Intl to Heathrow that include extra baggage allowance?

    The amount of baggage you can bring on your O'Hare Intl to Heathrow flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from O'Hare Intl to Heathrow with specific airlines?

    Yes, Cheapflights allows you to browse and filter O'Hare Intl to Heathrow flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from O'Hare Intl to Heathrow that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Heathrow flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Heathrow.

  • Can I find deals for business class flights from O'Hare Intl to Heathrow?

    Yes. Cheapflights offers flight deals from O'Hare Intl to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from O'Hare Intl to Heathrow that allow pets onboard?

    Many airlines flying from O'Hare Intl to Heathrow offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from O'Hare Intl to Heathrow?

    Yes, you can often find last-minute deals on O'Hare Intl to Heathrow flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Chicago O'Hare Intl Airport to London Heathrow Airport flight deals updated?

    The Chicago O'Hare Intl Airport to London Heathrow Airport flight deals you see on this page were last updated on 6/7.

  • What are the most popular airlines that fly from Chicago O'Hare Intl Airport to London Heathrow Airport?

    American Airlines, Air Canada and Air France are the most popular airlines when flying from Chicago O'Hare Intl Airport to London Heathrow Airport.

  • What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to London Heathrow Airport?

    Currently, November is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to London Heathrow Airport (average of $653). Flying from Chicago O'Hare Intl Airport to London Heathrow Airport in June is currently the most expensive (average of $1,102). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for O'Hare Intl to Heathrow
See prices for flight routes from nearby airports that may be better suited for you.

O'Hare Intl to London City flights
O'Hare Intl to Gatwick flights
Midway to Heathrow flights
O'Hare Intl to Stansted flights
O'Hare Intl to Luton flights
Midway to Gatwick flights
Midway to London City flights
Midway to Stansted flights
Midway to Luton flights

Top 10 airlines flying from O'Hare Intl to Heathrow

Discover the top 10 airlines that operate flights from O'Hare Intl to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 3,045,324 searches. Data last updated June 7, 2024.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$253Average$826FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$414Average$506FlexibilityNo cancel feeOn-time77%
DeltaCheapest$451Average$879FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$502Average$666FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$502Average$855FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$530Average$767FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$571Average$841FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$573Average$722FlexibilityNo cancel feeOn-time67%
FinnairCheapest$578Average$802FlexibilityNo cancel feeOn-time76%
IberiaCheapest$579Average$742FlexibilityNo cancel feeOn-time77%
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Search flights from O'Hare Intl to Heathrow by cabin class

Find flights from O'Hare Intl to Heathrow, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Hourly flight availability from O'Hare Intl to Heathrow

Find hourly flight availability from O'Hare Intl to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 7, 2024.
1%of flight departuresEarly morningMidnight to 6 am
6%of flight departuresMorning6 am to noon
54%of flight departuresAfternoonNoon to 6 pm
39%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from O'Hare Intl to Heathrow

Explore weekly flight availability from O'Hare Intl to Heathrow. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 7, 2024.
Sunday25daily flights
Monday37daily flights
Tuesday35daily flights
Wednesday35daily flights
Thursday35daily flights
Friday35daily flights
Saturday25daily flights

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