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Cheap flights from Buffalo to Chicago from C$ 117

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 25/2. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — CHI
28 Feb — 7 Mar1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Buffalo to Chicago are usually found in August or September, booked 35 days in advance, depart on a Friday or Thursday and return on a Tuesday

Cheap flight deals from Buffalo to Chicago

Enter your travel dates to find the best prices.

Cheapest flights from Buffalo to Chicago
Explore the most affordable flight options available from Buffalo to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 January 2026.

Wed 25/26:00 a.m.
BUF
-
ORD
1 stop7h 04m
JetBlue
Wed 4/312:59 p.m.
ORD
-
BUF
1 stop4h 47m
JetBlue
Deal found 28/1C$ 232
Mon 16/39:54 a.m.
BUF
-
ORD
1 stop8h 30m
JetBlue
Wed 18/312:20 p.m.
ORD
-
BUF
1 stop7h 33m
JetBlue
Deal found 28/1C$ 250
Tue 3/36:00 a.m.
BUF
-
ORD
1 stop6h 49m
JetBlue
Wed 4/312:59 p.m.
ORD
-
BUF
1 stop4h 47m
JetBlue
Deal found 27/1C$ 251
Mon 23/21:48 p.m.
BUF
-
ORD
1 stop9h 51m
Frontier
Thu 26/25:05 a.m.
ORD
-
BUF
1 stop6h 49m
Frontier
Deal found 28/1C$ 254
Tue 17/36:00 a.m.
BUF
-
ORD
1 stop6h 25m
JetBlue
Wed 18/312:20 p.m.
ORD
-
BUF
1 stop7h 33m
JetBlue
Deal found 28/1C$ 263
Mon 20/41:08 p.m.
BUF
-
ORD
1 stop10h 31m
Frontier
Thu 23/410:25 a.m.
ORD
-
BUF
1 stop7h 48m
Frontier
Deal found 27/1C$ 288
Mon 23/23:05 p.m.
BUF
-
ORD
1 stop9h 21m
JetBlue
Thu 26/212:44 p.m.
ORD
-
BUF
1 stop4h 51m
JetBlue
Deal found 26/1C$ 322
Tue 7/41:02 p.m.
BUF
-
ORD
1 stop10h 37m
Frontier
Thu 9/45:15 a.m.
ORD
-
BUF
1 stop6h 02m
Frontier
Deal found 27/1C$ 329
Sat 14/23:00 p.m.
BUF
-
ORD
1 stop9h 21m
JetBlue
Wed 18/26:04 a.m.
ORD
-
BUF
1 stop6h 58m
JetBlue
Deal found 28/1C$ 337
Thu 7/51:08 p.m.
BUF
-
ORD
1 stop10h 31m
Frontier
Mon 11/56:57 a.m.
ORD
-
BUF
1 stop11h 16m
Frontier
Deal found 28/1C$ 345

Find flight deals from Buffalo to Chicago

Discover tips and strategies to find the most affordable flight options for your journey from Buffalo (BUF) to Chicago (CHI). 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 29 January 2026.

Round-trip from

C$ 232

One-way from

C$ 117

Popular in

February

Cheapest in

August

Average price

C$ 470

Good round-trip deal

C$ 501 or less

Good one-way deal

C$ 242 or less
JetBlue
  • JetBlue
  • 25/2-4/3
  • 2 total stops
  • 11h 51m total
  • Buffalo to Chicago
Search Deals
JetBlue
  • JetBlue
  • 24/2
  • 1 total stop
  • 6h 59m total
  • Buffalo to Chicago
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (C$ 82 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip flight from Buffalo to Chicago (CHI).
Search Deals
Price to beat on a one-way flight from Buffalo to Chicago (CHI).
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Buffalo to Chicago 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 629,999 searches. Data last updated 29 January 2026.
Use the filters below to find and compare flights from Buffalo to Chicago that are best for you.

Fly from

Buffalo

Fly to

Chicago

Route

Depart

Return

Price

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Wed 25/2

6:00 a.m.-12:04 p.m.

1 stop7h 04m

Chicago O'Hare Intl

Wed 4/3

12:59 p.m.-6:46 p.m.

1 stop4h 47m

C$ 232

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Mon 23/2

3:05 p.m.-11:26 p.m.

1 stop9h 21m

Chicago O'Hare Intl

Thu 26/2

12:44 p.m.-6:35 p.m.

1 stop4h 51m

C$ 322

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Sat 14/2

3:00 p.m.-11:21 p.m.

1 stop9h 21m

Chicago O'Hare Intl

Wed 18/2

6:04 a.m.-2:02 p.m.

1 stop6h 58m

C$ 337

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Wed 25/2

1:52 p.m.-3:01 p.m.

Nonstop2h 09m

Chicago O'Hare Intl

Wed 4/3

6:10 p.m.-8:51 p.m.

Nonstop1h 41m

C$ 349

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Tue 17/3

7:00 a.m.-8:00 a.m.

Nonstop2h 00m

Chicago O'Hare Intl

Wed 18/3

1:55 p.m.-4:42 p.m.

Nonstop1h 47m

C$ 349

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Sat 7/3

6:00 a.m.-12:04 p.m.

1 stop7h 04m

Chicago O'Hare Intl

Wed 11/3

12:44 p.m.-6:35 p.m.

1 stop4h 51m

C$ 356

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Thu 7/5

7:00 a.m.-7:58 a.m.

Nonstop1h 58m

Chicago O'Hare Intl

Tue 12/5

6:15 p.m.-9:01 p.m.

Nonstop1h 46m

C$ 375

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Wed 18/3

5:29 p.m.-6:40 p.m.

Nonstop2h 11m

Chicago O'Hare Intl

Sat 21/3

6:05 p.m.-8:46 p.m.

Nonstop1h 41m

C$ 398

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Wed 18/3

5:29 p.m.-6:40 p.m.

Nonstop2h 11m

Chicago O'Hare Intl

Fri 20/3

6:05 p.m.-8:46 p.m.

Nonstop1h 41m

C$ 398

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Mon 16/3

7:56 p.m.-10:00 a.m.

1 stop15h 04m

Chicago O'Hare Intl

Mon 23/3

5:40 p.m.-10:55 p.m.

1 stop4h 15m

C$ 399

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/1

Showing 1-10 of 22 results
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Best time to book a flight from Buffalo to Chicago

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

Cheapflights Insights

Everything you need to know about your flight from Buffalo to Chicago

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

Use this chart to determine the optimal time to book a round-trip flight from Buffalo to Chicago. Price data was last updated on 23 January 2026.

The best time to book flights from Buffalo to Chicago is 35 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 Buffalo to Chicago?

Currently, July is the cheapest month in which you can book a flight from Buffalo to Chicago (average of C$ 105). Flying from Buffalo to Chicago in December is currently the most expensive (average of C$ 352). 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 BUF to CHI?

Find hourly flight availability from Buffalo to Chicago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 January 2026.

When flying from Buffalo to Chicago, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 43% versus a flight at noon.

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

Use this chart to determine the cheapest time to fly round-trip from Buffalo to Chicago. Price data was last updated on 24 January 2026.

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

Weekly flight availability from Buffalo to Chicago

Explore weekly flight availability from Buffalo to Chicago. 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 29 January 2026.

The most flights from BUF to CHI are scheduled on a Thursday (26 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (11 on average).

What’s the top layover airport for flights from Buffalo to Chicago?

Share of one-stop round-trip flights from Buffalo to Chicago chosen by Cheapflights users in the past 12 months, using the same layover each way.

Atlanta (ATL) – chosen by Cheapflights users on 50% of one-stop itineraries from Buffalo to Chicago on Cheapflights.

What’s the cheapest layover airport for flights from Buffalo to Chicago?

Average round-trip fare for 1-stop flights from Buffalo to Chicago, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Orlando (MCO) is the most affordable 1-stop option, with an average round-trip price of C$ 190.

What’s the fastest layover option from Buffalo to Chicago?

Shortest average travel time for 1-stop one-way flights from Buffalo to Chicago, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Baltimore (BWI) have the shortest average one-way travel time for 1-stop routes: 5h 15m.

Which airport typically offers the quickest layover for flights from Buffalo to Chicago?

Average layover duration for 1-stop one-way flights from Buffalo to Chicago, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Tampa (TPA) offer the fastest connection on this route, with an average layover time of 1h 48m.

Reviews of airlines servicing Chicago

Get insights into the airlines that provide service to Chicago. 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 Chicago. Reviews last updated 29 January 2026.
Get a feel of what it's like to fly with Southwest,American Airlines, andFrontier from Buffalo to Chicago by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,267 reviews
Check prices

Food

7.0

Boarding

8.1

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,267 reviews
Southwest
8.0
Very good
4,267 reviews
Check prices

Food

7.0

Boarding

8.1

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,206 reviews
Southwest
8.0
Very good
4,267 reviews
Check prices

Food

7.0

Boarding

8.1

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Frontier
5.7
Fair
3,056 reviews
Southwest
8.0
Very good
4,267 reviews
Check prices

Food

7.0

Boarding

8.1

Comfort

8.0

Overall

8.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

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

    If you book a flight to Chicago from Buffalo, you will be flying from Buffalo, which is the city’s only airport. Buffalo (BUF) is located 13.4 km from the centre of Buffalo. There are 18 flights from Buffalo to Chicago per day from 3 different airlines.

  • How long is the flight from Buffalo to Chicago?

    Departing from Buffalo to Chicago will take you 2h 09m. Airlines will cover a distance of 760 km. Both multi-stop and direct flights can be found to your destination and back.

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

    Flying on American Airlines is currently your cheapest option to Chicago, with prices starting at C$ 158. Additional round-trip tickets that might be worth considering are offered by Southwest and United Airlines, with the lowest prices starting at C$ 315 and C$ 337, respectively. You may be able to fly from Buffalo to Chicago for 63% less than the average price by searching for these airlines.

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

    The top 3 most reliable airlines when flying from Buffalo to Chicago are GoJet (89%), Copa Airlines (83%) and American Airlines (80%).

  • What are the cheapest flights from Buffalo to Chicago?

    While on average a flight from Buffalo to Chicago is generally C$ 715, our data shows the cheapest flight currently is C$ 143. When looking at the most popular route, (Buffalo - Chicago O'Hare Intl), you can expect to pay C$ 232 for that flight.

  • Can I find deals for flights from Buffalo to Chicago that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Buffalo to Chicago 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 Buffalo to Chicago?

    Currently, July is the cheapest month in which you can book a flight from Buffalo to Chicago (average of C$ 105). Flying from Buffalo to Chicago in December is currently the most expensive (average of C$ 352). 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 Buffalo to Chicago

See prices for flight routes from nearby airports that may be better suited for you.
Buffalo to O'Hare Intl flights
Buffalo to St. Louis flights

Top 3 airlines flying from Buffalo to Chicago

Discover the top 3 airlines that operate flights from Buffalo to Chicago. 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 629,999 searches. Data last updated 29 January 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 158AverageC$ 443FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
SouthwestCheapestC$ 315AverageC$ 386FlexibilityNo cancel feeOn-time63%
Search Southwest flights
United AirlinesCheapestC$ 337AverageC$ 555FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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 Buffalo to Chicago?

When you search for this flight from Buffalo to Chicago, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Buffalo to Chicago?

Cheapflights helps you find that perfect flight to Chicago from Buffalo by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Buffalo to Chicago with no change fees?

Certainly. Search results for flights to Chicago from Buffalo shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Buffalo to Chicago become cheaper?

Yes, Cheapflights offers price alerts on Buffalo to Chicago flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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