Cheap flights from Chicago (CHI) to Buffalo (BUF) from $69

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 9/30. 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.
CHI — BUF
Jun 14 — Jun 211

The best prices from Chicago to Buffalo are usually found in February or April, booked 52 days in advance, depart on a Tuesday or Thursday and return on a Wednesday

Cheap flight deals from Chicago to Buffalo

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Buffalo (BUF). 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 9, 2024.

Popular in

December

Cheapest in

February

Round-trip from

$256

One-way from

$115
High demand for flights, 14% potential price rise
Best time to find cheap flights, 27% potential price drop
From Chicago (CHI) to Buffalo
One-way flight from Chicago (CHI) to Buffalo

What is the cheapest day to fly round-trip from Chicago to Buffalo?

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.

How far in advance should I book a flight from Chicago to Buffalo?

To save up to 348% on this flight, we recommend booking at least 53 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Chicago to Buffalo from $409 1-2 weeks out and tickets from $570 for flights departing within the next 72 hours.

What is the cheapest month to fly from Chicago to Buffalo?

February can be a great time to fly to Buffalo from Chicago with a flight ticket averaging about $310. Cheapflights users have found deals in the month of February for as cheap as $142. The most expensive prices can be found in the month of December.

What is the cheapest time of day to fly from CHI to BUF?

Unlike at noon, when flights are generally more expensive, you can save up to 7% on flights from Chicago to Buffalo by exploring options for tickets in the evening.

Cheap Chicago to Buffalo flights in June & July 2024

Find cheap flight options from Chicago to Buffalo specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,022,473 searches. Prices were last updated on June 9, 2024.
Listed are some of the best fares we've found on flights departing from Chicago to Buffalo in 2024. More deals are always being added, so be sure to check back regularly.
Mon 6/248:00 amORD - BUF
1 stop4h 45mFrontier
Wed 6/262:46 pmBUF - ORD
1 stop5h 14mFrontier
Deal found 6/8$155
Mon 7/88:00 amORD - BUF
1 stop4h 42mFrontier
Mon 7/152:42 pmBUF - ORD
1 stop4h 55mFrontier
Deal found 6/8$156
Wed 7/108:05 amORD - BUF
1 stop4h 42mFrontier
Fri 7/192:46 pmBUF - ORD
1 stop4h 57mFrontier
Deal found 6/9$167
Mon 7/88:00 amORD - BUF
1 stop4h 42mFrontier
Fri 7/122:46 pmBUF - ORD
1 stop4h 57mFrontier
Deal found 6/8$174
Fri 7/128:00 amORD - BUF
1 stop4h 43mFrontier
Mon 7/152:42 pmBUF - ORD
1 stop4h 55mFrontier
Deal found 6/9$176
Tue 6/258:00 amORD - BUF
1 stop10h 53mFrontier
Wed 6/262:46 pmBUF - ORD
1 stop5h 14mFrontier
Deal found 6/8$178
Tue 7/168:50 amORD - BUF
1 stop10h 03mFrontier
Wed 7/172:47 pmBUF - ORD
1 stop4h 56mFrontier
Deal found 6/8$181
Fri 6/218:00 amORD - BUF
1 stop4h 45mFrontier
Mon 6/242:46 pmBUF - ORD
1 stop5h 14mFrontier
Deal found 6/8$198
Sat 7/277:05 amMDW - BUF
1 stop12h 37mFrontier
Sat 8/37:29 pmBUF - MDW
1 stop12h 16mFrontier
Deal found 6/8$207

Chicago to Buffalo 2024 flight deals

Discover exclusive flight deals for travel between Chicago and Buffalo in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,022,473 searches. Data last updated June 9, 2024.
Listed are some of the best fares we've found on flights departing from Chicago to Buffalo in 2024. More deals are always being added, so be sure to check back regularly.
Tue 8/277:00 amORD - BUF
1 stop12h 02mFrontier
Wed 8/286:46 pmBUF - ORD
1 stop7h 17mFrontier
Deal found 6/7$101
Wed 8/2811:37 amORD - BUF
1 stop5h 20mFrontier
Mon 9/29:19 pmBUF - ORD
1 stop28h 40mFrontier
Deal found 6/9$141
Fri 9/206:00 amMDW - BUF
1 stop10h 46mFrontier
Sun 9/228:52 pmBUF - MDW
1 stop22h 56mFrontier
Deal found 6/8$150
Fri 9/65:56 pmORD - BUF
1 stop25h 23mFrontier
Mon 9/96:59 pmBUF - ORD
1 stop18h 17mFrontier
Deal found 6/9$153
Mon 6/248:00 amORD - BUF
1 stop4h 45mFrontier
Wed 6/262:46 pmBUF - ORD
1 stop5h 14mFrontier
Deal found 6/8$155
Mon 7/88:00 amORD - BUF
1 stop4h 42mFrontier
Mon 7/152:42 pmBUF - ORD
1 stop4h 55mFrontier
Deal found 6/8$156
Thu 8/110:55 pmMDW - BUF
1 stop19h 21mFrontier
Sun 8/410:17 amBUF - MDW
1 stop10h 52mFrontier
Deal found 6/8$160
Tue 9/177:00 amORD - BUF
1 stop12h 02mFrontier
Wed 9/182:45 pmBUF - ORD
1 stop4h 57mFrontier
Deal found 6/9$164
Sat 8/1710:08 amMDW - BUF
1 stop9h 11mFrontier
Fri 8/236:46 pmBUF - MDW
1 stop18h 06mFrontier
Deal found 6/8$165

Chicago to Buffalo flights leaving soon

Find last-minute flight options from Chicago to Buffalo 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 3,022,473 searches. Data last updated June 9, 2024.
Have a look at some of the flights available from Chicago to Buffalo departing last-minute. It's wise to confirm all flight details are correct before booking.
Tue 6/188:00 amORD - BUF
1 stop10h 53mFrontier
Fri 6/212:46 pmBUF - ORD
1 stop5h 14mFrontier
Deal found 6/7$198
Tue 6/182:06 pmMDW - BUF
1 stop26h 46mFrontier
Fri 6/216:15 pmBUF - MDW
1 stop28h 15mFrontier
Deal found 6/7$228
Fri 6/145:55 amMDW - BUF
1 stop10h 30mFrontier
Sun 6/167:54 pmBUF - MDW
1 stop16h 16mFrontier
Deal found 6/8$246
Wed 6/195:55 amMDW - BUF
1 stop10h 57mFrontier
Sat 6/2210:54 pmBUF - MDW
1 stop13h 18mFrontier
Deal found 6/8$258
Sat 6/1511:51 amMDW - BUF
1 stop7h 26mFrontier
Mon 6/175:52 pmBUF - MDW
1 stop24h 18mFrontier
Deal found 6/8$282
Fri 6/148:00 amORD - BUF
1 stop4h 45mMultiple Airlines
Thu 6/2011:41 amBUF - ORD
1 stop8h 29mMultiple Airlines
Deal found 6/8$282
Sat 6/158:00 amORD - BUF
1 stop9h 37mFrontier
Mon 6/172:46 pmBUF - ORD
1 stop5h 14mFrontier
Deal found 6/8$298
Wed 6/198:00 amORD - BUF
1 stop4h 45mFrontier
Wed 6/262:46 pmBUF - ORD
1 stop5h 14mFrontier
Deal found 6/8$328
Fri 6/148:00 amORD - BUF
1 stop4h 45mMultiple Airlines
Sun 6/1612:54 pmBUF - ORD
1 stop8h 16mMultiple Airlines
Deal found 6/8$340

One-way flights to Buffalo from Chicago

Search for one-way flight options from Chicago to Buffalo. 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 3,022,473 searches. Data last updated June 9, 2024.
Take a look at some of the one-way flights we've detected from Chicago to Buffalo. For those needing a return trip from Chicago, there is a search form available above.
Mon 9/306:00 amMDW - BUF
1 stop9h 20mFrontier
Deal found 6/8$69
Wed 8/76:15 amMDW - BUF
1 stop10h 12mFrontier
Deal found 6/9$73
Wed 8/286:00 amMDW - BUF
1 stop10h 46mFrontier
Deal found 6/9$74
Sat 9/286:00 amMDW - BUF
1 stop10h 46mFrontier
Deal found 6/8$76
Fri 8/96:11 pmMDW - BUF
1 stop13h 45mFrontier
Deal found 6/8$82
Tue 7/239:45 pmMDW - BUF
1 stop18h 42mFrontier
Deal found 6/7$83
Mon 8/126:15 amMDW - BUF
1 stop10h 33mFrontier
Deal found 6/8$85
Mon 7/296:15 amMDW - BUF
1 stop10h 33mFrontier
Deal found 6/8$92
Sat 8/107:05 amMDW - BUF
1 stop12h 37mFrontier
Deal found 6/8$93

Find flights from Chicago to Buffalo within your budget

Customize your flight search to find flights from Chicago to Buffalo 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 3,022,473 searches. Data last updated June 9, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$150 - $284

Route

Depart

Return

Price

Chicago MidwayBuffalo

MDW - BUF

MDWBUF

Chicago Midway

Fri 9/20

1 stop10h 46m

Buffalo

Sun 9/22

1 stop22h 56m

$150

Chicago MidwayBuffalo

MDW - BUF

MDWBUF

Chicago Midway

Thu 8/1

1 stop19h 21m

Buffalo

Sun 8/4

1 stop10h 52m

$160

Chicago MidwayBuffalo

MDW - BUF

MDWBUF

Chicago Midway

Sat 8/17

1 stop9h 11m

Buffalo

Fri 8/23

1 stop18h 06m

$165

Chicago O'Hare IntlBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Tue 7/9

1 stop4h 35m

Buffalo

Tue 7/16

1 stop5h 10m

$226

Chicago O'Hare IntlBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Tue 7/2

Nonstop1h 36m

Buffalo

Fri 7/5

Nonstop1h 52m

$249

Chicago O'Hare IntlBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Tue 7/9

Nonstop1h 50m

Buffalo

Wed 7/10

Nonstop1h 57m

$253

Chicago O'Hare IntlBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Thu 7/4

1 stop17h 30m

Buffalo

Mon 7/8

1 stop4h 55m

$257

Chicago MidwayBuffalo

MDW - BUF

MDWBUF

Chicago Midway

Tue 8/27

1 stop5h 15m

Buffalo

Wed 8/28

1 stop6h 44m

$268

Chicago O'Hare IntlBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Thu 8/1

1 stop15h 55m

Buffalo

Mon 8/5

1 stop5h 33m

$284

Flights are sorted by cheapest first

Deals found on 6/8

How far ahead should I book a flight from Chicago to Buffalo?

Use this chart to determine the optimal time to book a round-trip flight from Chicago to Buffalo. Price data was last updated on May 31, 2024.
The best time to book flights from Chicago to Buffalo is 52 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Search Deals

What is the cheapest day to fly from Chicago to Buffalo?

Use this chart to determine the cheapest time to fly round-trip from Chicago to Buffalo. Price data was last updated on June 2, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Chicago to Buffalo flight should consider departing on Saturday evenings when fares are most often at their lowest. Monday mornings 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 Chicago to Buffalo

Have a flexible travel schedule? Discover the best time to fly to Buffalo from Chicago 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 Buffalo by month

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

BUF

Temperature

24.8 - 71.6 °F

If weather is an important factor for your trip to Buffalo, 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 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).

Reviews of airlines servicing Buffalo

Get insights into the airlines that provide service to Buffalo. 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 Buffalo. Reviews last updated June 9, 2024.
See what other customers who have flown with Frontier, American Airlines and JetBlue from Chicago to Buffalo have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good
10,310 reviews

Boarding

8.2

Food

7.4

Entertainment

8.0

Overall

8.0

Comfort

7.9

Crew

8.6

Reviews

1 / 10

On time flights; courteous staff; efficient boarding system! Thank you!

8.0
Very good
10,310 reviews
8.0
Very good
10,310 reviews

Boarding

8.2

Food

7.4

Entertainment

8.0

Overall

8.0

Comfort

7.9

Crew

8.6

Reviews

1 / 10

On time flights; courteous staff; efficient boarding system! Thank you!

7.6
Good
4,288 reviews
8.0
Very good
10,310 reviews

Boarding

8.2

Food

7.4

Entertainment

8.0

Overall

8.0

Comfort

7.9

Crew

8.6

Reviews

1 / 10

On time flights; courteous staff; efficient boarding system! Thank you!

7.5
Good
3,569 reviews
8.0
Very good
10,310 reviews

Boarding

8.2

Food

7.4

Entertainment

8.0

Overall

8.0

Comfort

7.9

Crew

8.6

Reviews

1 / 10

On time flights; courteous staff; efficient boarding system! Thank you!

7.4
Good
10,661 reviews
8.0
Very good
10,310 reviews

Boarding

8.2

Food

7.4

Entertainment

8.0

Overall

8.0

Comfort

7.9

Crew

8.6

Reviews

1 / 10

On time flights; courteous staff; efficient boarding system! Thank you!

7.3
Good
14,172 reviews
8.0
Very good
10,310 reviews

Boarding

8.2

Food

7.4

Entertainment

8.0

Overall

8.0

Comfort

7.9

Crew

8.6

Reviews

1 / 10

On time flights; courteous staff; efficient boarding system! Thank you!

Related info for your journey

Find useful and relevant information for your journey from Chicago to Buffalo. 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 into for flights to Buffalo from Chicago?

    Located just 8.3 mi from the city center, Buffalo is the airport most travelers will use when flying to Buffalo from Chicago. Booking flights from Chicago to Buffalo (BUF) should be relatively easy as there are 15 daily inbound flights from Chicago from 3 different airlines.

  • Can I find flights from Chicago to Buffalo for under $200 on Cheapflights?

    Yes, there are multiple flights from Chicago to Buffalo for under $200. The cheapest flight booked recently is on Frontier for just $150, but on average you can expect to pay $219.

  • Are there nonstop flights from Chicago to Buffalo for under $300 on Cheapflights?

    Cheapflights has at least 20 direct flights from Chicago to Buffalo under $300. A good price for a nonstop flight from Chicago to Buffalo is less than $290.

  • Are there last-minute flights available from Chicago to Buffalo for under $200?

    There are currently 20+ open flights from Chicago to Buffalo within the next 7 days for less than $200.

  • What are the cheapest airlines flying from Chicago to Buffalo round-trip?

    Flying on Frontier is currently your cheapest option to Buffalo, with prices starting at $150. Additional round-trip tickets that might be worth considering are offered by JetBlue and American Airlines, with the lowest prices starting at $226 and $249, respectively. Frontier is currently priced 51% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Chicago to Buffalo one-way?

    $69 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Sun Country Air and JetBlue, with prices starting from $115 and $125, respectively.

  • What are the most reliable airlines from Chicago to Buffalo?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Chicago to Buffalo on time: GoJet (90%), Japan Airlines (89%), SkyWest Airlines (87%).

  • What are the cheapest flights from Chicago to Buffalo?

    On average you can expect to pay $289 for a flight from Chicago to Buffalo. The cheapest flight overall is $134 while the most popular route, (Chicago O'Hare Intl - Buffalo) is currently priced at $149.

  • What does ORD to BUF mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Chicago O'Hare Intl Airport to Buffalo Airport flight would often be abbreviated as a ORD to BUF flight. Ready for more IATA code knowledge? These are related airports for your current travel destination: Chicago Midway Airport (MDW), Chicago Greater Rockford Airport (RFD).

  • Can I find deals for flights from Chicago to Buffalo that include extra baggage allowance?

    The amount of baggage you can bring on your Chicago to Buffalo 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 Chicago to Buffalo with specific airlines?

    Yes, Cheapflights allows you to browse and filter Chicago to Buffalo 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 Chicago to Buffalo that include hotel bookings?

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

  • How can I find direct flights from Chicago to Buffalo?

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

  • Can I find deals for business class flights from Chicago to Buffalo?

    Yes. Cheapflights offers flight deals from Chicago to Buffalo 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 Chicago to Buffalo that allow pets onboard?

    Many airlines flying from Chicago to Buffalo 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 Chicago to Buffalo?

    Yes, you can often find last-minute deals on Chicago to Buffalo 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 to Buffalo flight deals updated?

    The Chicago to Buffalo flight deals you see on this page were last updated on 6/9.

  • What are the most popular airlines that fly from Chicago to Buffalo?

  • What is the cheapest month to book a flight from Chicago to Buffalo?

    Currently, January is the cheapest month in which you can book a flight from Chicago to Buffalo (average of $256). Flying from Chicago to Buffalo in July is currently the most expensive (average of $359). 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 Chicago to Buffalo
See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Chicago to Buffalo

Discover the top 3 airlines that operate flights from Chicago to Buffalo. 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 3,022,473 searches. Data last updated June 9, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$158Average$329FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$169Average$329FlexibilityNo cancel feeOn-time71%
DeltaCheapest$185Average$317FlexibilityNo cancel feeOn-timeN/A

Search flights from Chicago to Buffalo by cabin class

Find flights from Chicago to Buffalo, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hourly flight availability from Chicago to Buffalo

Find hourly flight availability from Chicago to Buffalo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 9, 2024.
1%of flight departuresEarly morningMidnight to 6 am
22%of flight departuresMorning6 am to noon
46%of flight departuresAfternoonNoon to 6 pm
31%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Chicago to Buffalo

Explore weekly flight availability from Chicago to Buffalo. 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 9, 2024.
Sunday19daily flights
Monday25daily flights
Tuesday10daily flights
Wednesday10daily flights
Thursday11daily flights
Friday23daily flights
Saturday12daily flights
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.