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$74+ Cheap flights from Chicago (CHI) to Buffalo (BUF)

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 1/27. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BUF
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
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The best prices from Chicago to Buffalo are usually found in February or August, booked 82 days in advance, depart on a Wednesday 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 November 20, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

December

Cheapest in

February

Round-trip from

$218
(CheapOair)

One-way from

$74
(Frontier)
Provider with most accurate pricing for Chicago (CHI)-Buffalo flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Buffalo flights.
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High demand for flights, 17% potential price rise
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Best time to find cheap flights, 28% potential price drop
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From Chicago (CHI) to Buffalo
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One-way flight from Chicago (CHI) to Buffalo
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Find flight deals from Chicago to Buffalo

Cheapest flights from Chicago to Buffalo
Explore the most affordable flight options available from Chicago to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2024.

This CheapOair deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/59:35 amORD - BUF
1 stop9h 40mFrontier
Sun 12/83:27 pmBUF - ORD
1 stop19h 27mFrontier
Deal found 11/19$218
This CheapOair deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/232:56 pmMDW - BUF
1 stop16h 20mFrontier
Wed 11/2712:21 pmBUF - MDW
1 stop9h 31mFrontier
Deal found 11/19$252
This JetBlue deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/64:40 pmORD - BUF
1 stop4h 44mJetBlue
Tue 12/1010:10 amBUF - ORD
1 stop6h 43mJetBlue
Deal found 11/19$268
This Southwest deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/225:10 pmMDW - BUF
1 stop5h 40mSouthwest
Wed 12/256:50 pmBUF - MDW
Nonstop1h 45mSouthwest
Deal found 11/19$303
This American Airlines deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/126:50 pmORD - BUF
Nonstop1h 48mAmerican Airlines
Sun 12/157:16 amBUF - ORD
Nonstop2h 01mAmerican Airlines
Deal found 11/20$308
This United Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/226:20 pmORD - BUF
Nonstop1h 41mUnited Airlines
Wed 12/257:00 amBUF - ORD
Nonstop2h 04mUnited Airlines
Deal found 11/19$313
This Southwest deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/224:00 pmORD - BUF
1 stop6h 50mSouthwest
Wed 12/256:10 amBUF - ORD
2 stops7h 50mSouthwest
Deal found 11/19$347
This Delta deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/295:30 pmORD - BUF
1 stop4h 33mDelta
Thu 1/211:55 amBUF - ORD
1 stop5h 45mDelta
Deal found 11/20$403
This Delta deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/410:41 amMDW - BUF
1 stop5h 39mDelta
Sun 12/86:00 amBUF - MDW
1 stop6h 58mDelta
Deal found 11/19$424

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 2,629,791 searches. Data last updated November 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Thu 12/5

9:35 am-8:15 pm

1 stop9h 40m

Buffalo

Sun 12/8

3:27 pm-9:54 am

1 stop19h 27m

$218

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Sun 2/9

4:41 pm-6:55 pm

2 stops25h 14m

Buffalo

Wed 2/12

6:25 am-3:33 pm

1 stop10h 08m

$238

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Thu 2/13

5:40 pm-11:34 pm

1 stop4h 54m

Buffalo

Sun 2/16

11:32 am-4:45 pm

1 stop6h 13m

$242

ChicagoBuffalo

MDW - BUF

MDWBUF

Chicago Midway

Mon 1/6

6:30 pm-8:55 pm

Nonstop1h 25m

Buffalo

Tue 1/7

6:45 am-7:30 am

Nonstop1h 45m

$243

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Mon 1/6

8:52 am-11:41 am

Nonstop1h 49m

Buffalo

Tue 1/7

3:05 pm-4:05 pm

Nonstop2h 00m

$252

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Mon 1/6

11:25 am-10:15 pm

2 stops9h 50m

Buffalo

Tue 1/7

6:15 am-4:45 pm

2 stops11h 30m

$271

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Wed 1/1

6:20 pm-9:01 pm

Nonstop1h 41m

Buffalo

Thu 1/2

7:53 pm-11:25 pm

1 stop4h 32m

$303

ChicagoBuffalo

MDW - BUF

MDWBUF

Chicago Midway

Sat 1/4

10:08 am-6:05 pm

1 stop6h 57m

Buffalo

Sat 1/11

6:00 am-8:54 am

1 stop3h 54m

$317

ChicagoBuffalo

MDW - BUF

MDWBUF

Chicago Midway

Wed 1/1

10:50 am-9:32 am

1 stop21h 42m

Buffalo

Thu 1/2

10:25 pm-12:29 pm

1 stop15h 04m

$378

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Sun 12/29

5:30 pm-11:03 pm

1 stop4h 33m

Buffalo

Thu 1/2

11:55 am-4:40 pm

1 stop5h 45m

$403

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 21 results
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Compare providers for flights from Chicago to Buffalo

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Chicago to Buffalo in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Chicago-Buffalo flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago-Buffalo flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago-Buffalo flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago-Buffalo flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago-Buffalo flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

Travel insights for flights from Chicago to Buffalo

Get recent, data-driven insights about flights from Chicago to Buffalo including ideal travel times, pricing trends, and more.

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 November 15, 2024.

The best time to book flights from Chicago to Buffalo is 82 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.

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 $322). 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.

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

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 November 20, 2024.

Unlike in the morning, when flights are generally more expensive, you can save up to 5% on flights from Chicago to Buffalo by exploring options for tickets in the evening.

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 November 10, 2024.

Travelers seeking maximum savings on their Chicago to Buffalo flight should consider departing on Saturday afternoons when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 November 20, 2024.

The most flights from CHI to BUF are scheduled on a Tuesday (26 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (4 on average).

Rainfall in Buffalo by month

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

In terms of precipitation, rainfall in Buffalo ranges from 2.5 - 4.0 inches per month. November is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Buffalo when rainfall is around 2.5 in.

Temperature in Buffalo by month

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

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 November 20, 2024.
See what other customers who have flown with Frontier, Southwest and American Airlines from Chicago to Buffalo have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,014 reviews

Comfort

8.1

Entertainment

7.7

Overall

8.1

Crew

8.7

Food

7.2

Boarding

8.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Southwest
8.1
Very good
5,014 reviews
Southwest
8.1
Very good
5,014 reviews

Comfort

8.1

Entertainment

7.7

Overall

8.1

Crew

8.7

Food

7.2

Boarding

8.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Delta
8.0
Very good
8,756 reviews
Southwest
8.1
Very good
5,014 reviews

Comfort

8.1

Entertainment

7.7

Overall

8.1

Crew

8.7

Food

7.2

Boarding

8.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Aeromexico
7.5
Good
2,004 reviews
Southwest
8.1
Very good
5,014 reviews

Comfort

8.1

Entertainment

7.7

Overall

8.1

Crew

8.7

Food

7.2

Boarding

8.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

JetBlue
7.5
Good
3,394 reviews
Southwest
8.1
Very good
5,014 reviews

Comfort

8.1

Entertainment

7.7

Overall

8.1

Crew

8.7

Food

7.2

Boarding

8.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

United Airlines
7.4
Good
9,171 reviews
Southwest
8.1
Very good
5,014 reviews

Comfort

8.1

Entertainment

7.7

Overall

8.1

Crew

8.7

Food

7.2

Boarding

8.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

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 19 daily inbound flights from Chicago from 4 different airlines.

  • 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 $218. Additional round-trip tickets that might be worth considering are offered by JetBlue and Southwest, with the lowest prices starting at $242 and $243, respectively. Frontier is currently priced 30% below the average price you’ll pay for this route.

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

    $74 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on JetBlue and Southwest, with prices starting from $93 and $119, 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: Republic Airways (100%), SkyWest Airlines (97%), Envoy Air (91%).

  • What are the cheapest flights from Chicago to Buffalo?

    On average you can expect to pay $310 for a flight from Chicago to Buffalo. The cheapest flight overall is $164 while the most popular route, (Chicago O'Hare Intl - Buffalo) is currently priced at $177.

  • 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.

  • 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 $322). 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 Chicago to Buffalo

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to John F Kennedy Intl flights
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Top 4 airlines flying from Chicago to Buffalo

Discover the top 4 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 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$101Average$174FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$150Average$326FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$196Average$368FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$225Average$355FlexibilityNo cancel feeOn-time63%
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