HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

Cheap flights from Allentown (ABE) to Heathrow (LHR) from $488

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 9/15. 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.
ABE — LHR
Jun 2 — Jun 91
From?
To?
Sun 6/2
Sun 6/9
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Cheap flight deals from Allentown to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Allentown (ABE) 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 May 28, 2024.

Round-trip from

$643

One-way from

$488
From Allentown-Bethlehem to London Heathrow
Search Deals
One-way flight from Allentown-Bethlehem to London Heathrow
Search Deals

What is the cheapest day to fly round-trip from Allentown to London Heathrow Airport?

It’s generally more expensive to depart on a Monday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

What is the cheapest month to fly from Allentown to London Heathrow Airport?

The best pricing can be found in the month of January. Prices to London Heathrow Airport from Allentown average $1,128. You can even find prices in January for less than $1,128, as users have found deals to London Heathrow Airport from as low as $827. The month of April appears to be one of the more expensive times to travel to London Heathrow Airport from Allentown. Flying in the targeted month can save you up to 58%.

When is the cheapest time to fly from Allentown to London Heathrow Airport (ABE - LHR)?

When flying from Allentown to London Heathrow Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 10% versus a flight at noon.

Cheap Delta flights from Allentown to Heathrow

Explore cheap flight options specifically provided by Delta for the route between Allentown and Heathrow. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated May 28, 2024.
Check out some of the cheapest Delta flights we've come across from Allentown to London. Come back soon if you're not finding the exact deal you're looking for.
Tue 6/115:49 pmABE - LHR
1 stop14h 26mDelta
Sun 9/1511:35 amLHR - ABE
1 stop16h 51mDelta
Deal found 5/28$1,150
Mon 7/112:27 pmABE - LHR
1 stop12h 58mDelta
Tue 7/91:55 pmLHR - ABE
1 stop14h 14mDelta
Deal found 5/27$1,511
Mon 7/112:27 pmABE - LHR
2 stops13h 18mDelta
Tue 7/91:55 pmLHR - ABE
1 stop14h 14mDelta
Deal found 5/27$1,516
Fri 6/215:49 pmABE - LHR
1 stop12h 21mDelta
Thu 7/412:45 pmLHR - ABE
1 stop15h 29mDelta
Deal found 5/27$1,536
Tue 7/25:49 pmABE - LHR
1 stop12h 21mDelta
Wed 7/1012:45 pmLHR - ABE
1 stop15h 49mDelta
Deal found 5/27$1,541
Sat 6/226:05 amABE - LHR
1 stop19h 20mDelta
Fri 7/511:30 amLHR - ABE
2 stops16h 44mDelta
Deal found 5/27$1,614
Sun 6/305:49 pmABE - LHR
1 stop12h 21mDelta
Mon 7/81:55 pmLHR - ABE
1 stop14h 14mDelta
Deal found 5/27$1,736
Sat 6/2212:27 pmABE - LHR
1 stop14h 23mDelta
Fri 7/512:45 pmLHR - ABE
1 stop15h 29mDelta
Deal found 5/27$1,766
Sun 6/2312:27 pmABE - LHR
1 stop12h 58mDelta
Sat 7/612:10 pmLHR - ABE
2 stops16h 04mDelta
Deal found 5/27$1,771

Cheap American Airlines flights from Allentown to Heathrow

Explore cheap flight options specifically provided by American Airlines for the route between Allentown and Heathrow. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated May 28, 2024.
To aid your search, here are some of the cheapest American Airlines flights we've found from Allentown to London. Deals are refreshing constantly so come back soon for more options.
Wed 7/36:10 amABE - LHR
1 stop20h 30mAmerican Airlines
Wed 7/109:15 amLHR - ABE
1 stop18h 13mAmerican Airlines
Deal found 5/28$894
Wed 7/312:22 pmABE - LHR
2 stops14h 33mAmerican Airlines
Wed 7/109:15 amLHR - ABE
1 stop18h 13mAmerican Airlines
Deal found 5/28$898
Thu 6/2012:22 pmABE - LHR
2 stops14h 23mAmerican Airlines
Sun 6/308:10 amLHR - ABE
2 stops16h 11mAmerican Airlines
Deal found 5/28$998
Sat 8/3112:05 pmABE - LHR
1 stop16h 20mAmerican Airlines
Wed 10/28:50 amLHR - ABE
2 stops14h 40mAmerican Airlines
Deal found 5/27$1,010
Mon 6/107:51 pmABE - LHR
1 stop11h 19mAmerican Airlines
Mon 6/179:15 amLHR - ABE
1 stop15h 06mAmerican Airlines
Deal found 5/27$1,090
Wed 7/36:10 amABE - LHR
2 stops19h 45mAmerican Airlines
Wed 7/105:00 pmLHR - ABE
2 stops23h 33mAmerican Airlines
Deal found 5/28$1,098
Thu 6/207:51 pmABE - LHR
1 stop11h 19mAmerican Airlines
Sun 6/3012:15 pmLHR - ABE
1 stop15h 04mAmerican Airlines
Deal found 5/28$1,437
Mon 6/247:51 pmABE - LHR
1 stop11h 19mAmerican Airlines
Wed 6/267:40 amLHR - ABE
2 stops16h 41mAmerican Airlines
Deal found 5/27$8,162
Mon 6/247:51 pmABE - LHR
1 stop11h 19mAmerican Airlines
Wed 6/2612:15 pmLHR - ABE
1 stop15h 04mAmerican Airlines
Deal found 5/27$8,193

Cheap Allentown to Heathrow flights in May & June 2024

Find cheap flight options from Allentown to Heathrow specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,696,634 searches. Prices were last updated on May 28, 2024.
These are some of the most attractive deals on flights from Allentown to London in 2024. Check back soon for alternative fares.
Wed 6/267:51 pmABE - LHR
1 stop11h 19mAmerican Airlines
Wed 7/39:15 amLHR - ABE
1 stop15h 06mAmerican Airlines
Deal found 5/27$893
Wed 6/2612:22 pmABE - LHR
2 stops14h 23mAmerican Airlines
Wed 7/311:10 amLHR - ABE
2 stops16h 09mAmerican Airlines
Deal found 5/27$898
Thu 6/2012:22 pmABE - LHR
2 stops14h 23mAmerican Airlines
Sun 6/308:10 amLHR - ABE
2 stops16h 11mAmerican Airlines
Deal found 5/27$998
Mon 6/107:51 pmABE - LHR
1 stop11h 19mAmerican Airlines
Mon 6/179:15 amLHR - ABE
1 stop15h 06mAmerican Airlines
Deal found 5/27$1,090
Tue 6/115:49 pmABE - LHR
1 stop14h 26mDelta
Sun 9/1511:35 amLHR - ABE
1 stop16h 51mDelta
Deal found 5/28$1,150
Tue 6/115:34 pmABE - LHR
1 stop13h 11mUnited Airlines
Tue 6/186:50 amLHR - ABE
2 stops15h 08mUnited Airlines
Deal found 5/28$1,184
Thu 6/66:40 amABE - LHR
2 stops20h 55mUnited Airlines
Wed 6/126:50 amLHR - ABE
2 stops15h 08mUnited Airlines
Deal found 5/27$1,189
Tue 6/115:34 pmABE - LHR
1 stop13h 11mUnited Airlines
Tue 6/188:30 amLHR - ABE
1 stop13h 28mUnited Airlines
Deal found 5/28$1,193
Thu 6/65:34 pmABE - LHR
1 stop31h 21mUnited Airlines
Wed 6/126:50 amLHR - ABE
2 stops15h 08mUnited Airlines
Deal found 5/27$1,194

Allentown to Heathrow 2024 flight deals

Discover exclusive flight deals for travel between Allentown and Heathrow in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated May 28, 2024.
These are some of the most attractive deals on flights from Allentown to London in 2024. Check back soon for alternative fares.
Sun 7/285:40 pmABE - LHR
1 stop13h 05mUnited Airlines
Fri 12/66:50 amLHR - ABE
2 stops15h 11mUnited Airlines
Deal found 5/26$642
Sun 7/285:40 pmABE - LHR
1 stop13h 05mUnited Airlines
Fri 12/610:25 amLHR - ABE
1 stop15h 18mUnited Airlines
Deal found 5/26$650
Sun 9/812:32 pmABE - LHR
1 stop19h 43mKLM
Sun 9/1511:35 amLHR - ABE
1 stop16h 51mKLM
Deal found 5/27$700
Fri 8/165:40 pmABE - LHR
1 stop13h 05mUnited Airlines
Wed 8/218:30 amLHR - ABE
2 stops18h 18mUnited Airlines
Deal found 5/28$727
Sun 9/811:56 amABE - LHR
2 stops13h 59mAmerican Airlines
Sun 9/159:15 amLHR - ABE
1 stop12h 21mAmerican Airlines
Deal found 5/27$793
Thu 12/266:30 amABE - LHR
2 stops19h 35mDelta
Sun 1/128:40 amLHR - ABE
2 stops19h 45mDelta
Deal found 5/26$794
Thu 12/266:30 amABE - LHR
2 stops19h 35mDelta
Sun 1/1212:30 pmLHR - ABE
1 stop15h 55mDelta
Deal found 5/26$799
Thu 12/266:30 amABE - LHR
1 stop19h 20mVirgin Atlantic
Sun 1/1210:45 amLHR - ABE
1 stop17h 40mVirgin Atlantic
Deal found 5/26$819
Thu 12/266:30 amABE - LHR
1 stop19h 45mVirgin Atlantic
Sun 1/126:20 amLHR - ABE
2 stops22h 05mVirgin Atlantic
Deal found 5/26$880

Allentown to Heathrow flights leaving soon

Find last-minute flight options from Allentown 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 2,696,634 searches. Data last updated May 28, 2024.
Book one of these great deals on flights from Allentown to London. Tip: verify your flight details before completing your reservation.
Thu 6/66:40 amABE - LHR
2 stops20h 55mUnited Airlines
Wed 6/126:50 amLHR - ABE
2 stops15h 08mUnited Airlines
Deal found 5/27$1,189
Thu 6/65:34 pmABE - LHR
1 stop31h 21mUnited Airlines
Wed 6/126:50 amLHR - ABE
2 stops15h 08mUnited Airlines
Deal found 5/27$1,194
Thu 6/65:34 pmABE - LHR
1 stop31h 21mUnited Airlines
Wed 6/126:50 amLHR - ABE
2 stops19h 47mUnited Airlines
Deal found 5/28$1,195
Thu 6/65:34 pmABE - LHR
1 stop31h 21mUnited Airlines
Wed 6/128:30 amLHR - ABE
1 stop13h 28mUnited Airlines
Deal found 5/27$1,203
Thu 6/65:34 pmABE - LHR
1 stop31h 21mUnited Airlines
Wed 6/121:05 pmLHR - ABE
1 stop13h 32mUnited Airlines
Deal found 5/28$1,204
Thu 6/66:40 amABE - LHR
1 stop18h 15mUnited Airlines
Wed 6/126:50 amLHR - ABE
2 stops19h 47mUnited Airlines
Deal found 5/28$1,931
Thu 6/66:40 amABE - LHR
1 stop18h 15mUnited Airlines
Wed 6/128:30 amLHR - ABE
1 stop18h 07mUnited Airlines
Deal found 5/28$1,940
Mon 6/312:24 pmABE - LHR
1 stop19h 51mDelta
Thu 6/612:45 pmLHR - ABE
1 stop15h 32mDelta
Deal found 5/27$2,567
Mon 6/312:24 pmABE - LHR
2 stops13h 21mDelta
Thu 6/612:10 pmLHR - ABE
2 stops16h 07mDelta
Deal found 5/27$2,572

One-way flights to Heathrow from Allentown

Search for one-way flight options from Allentown 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 2,696,634 searches. Data last updated May 28, 2024.
Some of the best available deals we've found on one-way flights from Allentown to London. Users in need of a round-trip flight from Allentown to London instead should update the search form at the top of page.
Sun 9/155:40 pmABE - LHR
1 stop12h 30mDelta
Deal found 5/28$488
Thu 9/196:30 amABE - LHR
1 stop18h 55mDelta
Deal found 5/28$503
Thu 9/196:30 amABE - LHR
1 stop18h 25mUnited Airlines
Deal found 5/28$553
Fri 9/205:40 pmABE - LHR
1 stop14h 35mDelta
Deal found 5/28$707
Sun 6/165:49 pmABE - LHR
1 stop12h 21mDelta
Deal found 5/27$2,107
Fri 8/235:51 pmABE - LHR
1 stop12h 19mDelta
Deal found 5/27$3,937
Sat 9/212:50 pmABE - LHR
2 stops14h 25mDelta
Deal found 5/28$13,331

Find flights from Allentown to Heathrow within your budget

Customize your flight search to find flights from Allentown 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 2,696,634 searches. Data last updated May 28, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$727 - $1,735

Route

Depart

Return

Price

Allentown-BethlehemLondon Heathrow

ABE - LHR

ABELHR

Allentown-Bethlehem

Fri 8/16

1 stop13h 05m

London Heathrow

Wed 8/21

2 stops18h 18m

$727

Allentown-BethlehemLondon Heathrow

ABE - LHR

ABELHR

Allentown-Bethlehem

Wed 7/3

1 stop20h 30m

London Heathrow

Wed 7/10

1 stop18h 13m

$894

Allentown-BethlehemLondon Heathrow

ABE - LHR

ABELHR

Allentown-Bethlehem

Wed 7/3

2 stops14h 33m

London Heathrow

Wed 7/10

1 stop18h 13m

$898

Allentown-BethlehemLondon Heathrow

ABE - LHR

ABELHR

Allentown-Bethlehem

Fri 8/16

1 stop24h 05m

London Heathrow

Wed 8/21

1 stop18h 18m

$930

Allentown-BethlehemLondon Heathrow

ABE - LHR

ABELHR

Allentown-Bethlehem

Fri 8/16

2 stops19h 05m

London Heathrow

Wed 8/21

2 stops18h 18m

$932

Allentown-BethlehemLondon Heathrow

ABE - LHR

ABELHR

Allentown-Bethlehem

Thu 6/20

2 stops14h 23m

London Heathrow

Sun 6/30

2 stops16h 11m

$998

Allentown-BethlehemLondon Heathrow

ABE - LHR

ABELHR

Allentown-Bethlehem

Sat 8/31

1 stop16h 20m

London Heathrow

Wed 10/2

2 stops14h 40m

$1,010

Allentown-BethlehemLondon Heathrow

ABE - LHR

ABELHR

Allentown-Bethlehem

Tue 6/11

1 stop14h 26m

London Heathrow

Sun 9/15

1 stop16h 51m

$1,150

Allentown-BethlehemLondon Heathrow

ABE - LHR

ABELHR

Allentown-Bethlehem

Wed 6/19

2 stops26h 40m

London Heathrow

Sat 6/22

3 stops33h 32m

$1,735

Flights are sorted by cheapest first

Deals found on 5/28

When is the cheapest time to fly from Allentown to London Heathrow Airport?

Use this chart to determine the cheapest time to fly round-trip from Allentown to Heathrow. Price data was last updated on May 26, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Allentown to London Heathrow Airport flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Friday afternoons 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 Allentown to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Allentown 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

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 May 28, 2024.
To help decide which airline to fly from Allentown to London, see what other customers have to say about Delta, American Airlines and United Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
10,476 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Food

7.4

Comfort

7.9

Overall

8.0

Crew

8.6

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
10,476 reviews
Delta
8.0
Very good
10,476 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Food

7.4

Comfort

7.9

Overall

8.0

Crew

8.6

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.

United Airlines
7.4
Good
10,799 reviews
Delta
8.0
Very good
10,476 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Food

7.4

Comfort

7.9

Overall

8.0

Crew

8.6

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.

American Airlines
7.3
Good
14,316 reviews
Delta
8.0
Very good
10,476 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Food

7.4

Comfort

7.9

Overall

8.0

Crew

8.6

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 Allentown to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Allentown to London Heathrow?

    Allentown-Bethlehem (ABE) is the airport you will fly out of if you book a flight from Allentown to London Heathrow. You should not have trouble finding flights to London Heathrow from Allentown-Bethlehem; the airport handles an average of 0 outbound flights to London Heathrow per day. You should also have plenty of airline options to choose from since 2 airlines have flights from the Allentown airport to London Heathrow. It is only a 3.9 mi journey to Allentown-Bethlehem (ABE) from Allentown’s city center.

  • Can I find flights from Allentown to London Heathrow Airport for under $800 on Cheapflights?

    Yes, there are multiple flights from Allentown to London Heathrow Airport for under $800. The cheapest flight booked recently is on United Airlines for just $727, but on average you can expect to pay $1,162.

  • Are there last-minute flights available from Allentown to London Heathrow Airport for under $1,200?

    There are currently 9+ open flights from Allentown to London Heathrow Airport within the next 7 days for less than $1,200.

  • What are the cheapest airlines flying from Allentown to London Heathrow Airport round-trip?

    United Airlines, at $727, was found to be the cheapest airline from Allentown to London Heathrow Airport.Alternate airlines to your destination round-trip include American Airlines and Delta.

  • What does ABE to LHR mean?

    Great question - ABE to LHR just means Allentown-Bethlehem Airport to London Heathrow Airport. Now you’ll know what these unique codes when you look for flights!

  • Can I find deals for flights from Allentown to Heathrow that include extra baggage allowance?

    The amount of baggage you can bring on your Allentown 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 Allentown to Heathrow with specific airlines?

    Yes, Cheapflights allows you to browse and filter Allentown 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 Allentown to Heathrow that include hotel bookings?

    Yes. In addition to deals on Allentown to Heathrow flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Allentown to Heathrow?

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

  • Can I find deals for business class flights from Allentown to Heathrow?

    Yes. Cheapflights offers flight deals from Allentown 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 Allentown to Heathrow that allow pets onboard?

    Many airlines flying from Allentown 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 Allentown to Heathrow?

    Yes, you can often find last-minute deals on Allentown 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 Allentown to London Heathrow Airport flight deals updated?

    The Allentown to London Heathrow Airport flight deals you see on this page were last updated on 5/28.

  • When is the best time to book a flight from Allentown to London Heathrow Airport?

    Currently, November is the cheapest month in which you can book a flight from Allentown to London Heathrow Airport (average of $652). Flying from Allentown to London Heathrow Airport in June is currently the most expensive (average of $1,114). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Allentown to Heathrow
See prices for flight routes from nearby airports that may be better suited for you.

Newark to Heathrow flights
John F Kennedy Intl to Heathrow flights
John F Kennedy Intl to Gatwick flights
LaGuardia to Heathrow flights
John F Kennedy Intl to London City flights
Dulles Intl to Heathrow flights
Newark to Gatwick flights
Newark to London City flights
LaGuardia to Gatwick flights
Dulles Intl to London City flights
Dulles Intl to Gatwick flights
Reagan-National to Heathrow flights
Philadelphia to Heathrow flights
Dulles Intl to Stansted flights
Reagan-National to Gatwick flights
John F Kennedy Intl to Luton flights
John F Kennedy Intl to Stansted flights
Pittsburgh to Heathrow flights
Philadelphia to Gatwick flights
Newark to Luton flights
Philadelphia to London City flights
Reagan-National to London City flights
Dulles Intl to Luton flights
Newark to Stansted flights
Pittsburgh to Gatwick flights
Pittsburgh to London City flights
LaGuardia to London City flights
Philadelphia to Luton flights
Philadelphia to Stansted flights
Pittsburgh to Stansted flights
Newark to Southend flights
Pittsburgh to Luton flights
John F Kennedy Intl to Southend flights
LaGuardia to Luton flights
State College to Heathrow flights
Reagan-National to Luton flights
Harrisburg to Heathrow flights
Reagan-National to Stansted flights
Harrisburg to London City flights
Harrisburg to Gatwick flights
Scranton to Heathrow flights
Erie to Heathrow flights
LaGuardia to Stansted flights
Philadelphia to Southend flights
Dulles Intl to Southend flights
Elmira to Heathrow flights
Elmira to London City flights

Top 2 airlines flying from Allentown to Heathrow

Discover the top 2 airlines that operate flights from Allentown 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 2,696,634 searches. Data last updated May 28, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$650Average$839FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$679Average$1,075FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
New York to Portugal flights
San Francisco to Paris flights
Miami to New York flights
Hartford to Orlando flights
Los Angeles to Chicago flights
USA to Scotland flights
Tijuana to Mexico City flights
Atlanta to Denver flights
Los Angeles to Nashville flights
New York to California flights
Atlanta to Cancún flights
Allentown to Lima flights

Search flights from Allentown to Heathrow by cabin class

Find flights from Allentown to Heathrow, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Laayoune Hassan I
Flights to Virac
Flights to Figari-Sud Corse
Flights to Edremit/Korfez
Flights to Rhinelander Oneida County
Flights to Girona Costa Brava
Flights to Brainerd Crow Wing County
Flights to Parikia Paros
Flights to Cortez Montezuma County
Flights to Miyakojima Hirara
Flights to Zadar
Flights to Trapani Birgi
Flights to Provincetown
Flights to Oran Es Senia
Flights to Constanţa Mihail Kogalniceanu
Flights to Vava'u Lupepau'U
Flights to Urumqi
Flights to Hakodate
Flights to Naxos
Flights to Dalaman
Flights to Hyannis Barnstable
Flights to Devils Lake
Flights to Bastia Poretta
Flights to Karpathos

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Allentown to Heathrow?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Heathrow from Allentown today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Allentown to Heathrow?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Allentown to Heathrow for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Allentown to Heathrow with no change fees?

Yes! Cheapflights helps users easily find flights from Allentown to Heathrow with no change fees.

Can Cheapflights notify me if prices for flights from Allentown to Heathrow become cheaper?

Not ready to book yet? You can track prices for flights from Allentown to Heathrow on Cheapflights with our Price Alert feature and get notified when better prices are available.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines