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Cheap flights from Buffalo to Chicago from C$ 121

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Buffalo to Chicago departing on 16/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Enter your travel dates to find the best prices.
JetBlue Logo
10:00 a.m. - 5:44 p.m.BUF-ORD
8h 44m1 stop
JetBlue Logo
7:45 a.m. - 2:30 p.m.ORD-BUF
5h 45m1 stop
C$ 241JetBlue
Find Deal
Wed, 7 Jan - Fri, 9 Jan
JetBlue Logo
10:00 a.m. - 5:44 p.m.BUF-ORD
8h 44m1 stop
JetBlue Logo
7:45 a.m. - 2:30 p.m.ORD-BUF
5h 45m1 stop
C$ 257JetBlue
Find Deal
Tue, 20 Jan - Tue, 10 Feb
JetBlue Logo
10:00 a.m. - 5:44 p.m.BUF-ORD
8h 44m1 stop
JetBlue Logo
7:45 a.m. - 2:30 p.m.ORD-BUF
5h 45m1 stop
C$ 259JetBlue
Find Deal
Tue, 20 Jan - Tue, 10 Feb
JetBlue Logo
6:05 a.m. - 10:35 a.m.BUF-ORD
5h 30m1 stop
JetBlue Logo
7:00 a.m. - 3:59 p.m.ORD-BUF
7h 59m1 stop
C$ 260JetBlue
Find Deal
Sat, 13 Dec - Mon, 15 Dec
JetBlue Logo
6:05 a.m. - 10:35 a.m.BUF-ORD
5h 30m1 stop
JetBlue Logo
11:25 a.m. - 5:24 p.m.ORD-BUF
4h 59m1 stop
C$ 304JetBlue
Find Deal
Sun, 7 Dec - Thu, 11 Dec
Frontier Logo
11:30 a.m. - 10:24 p.m.BUF-ORD
11h 54m1 stop
Frontier Logo
2:36 p.m. - 2:15 p.m.ORD-BUF
22h 39m1 stop
C$ 310Frontier
Find Deal
Fri, 5 Dec - Sun, 7 Dec
JetBlue Logo
10:00 a.m. - 5:44 p.m.BUF-ORD
8h 44m1 stop
JetBlue Logo
7:45 a.m. - 2:30 p.m.ORD-BUF
5h 45m1 stop
C$ 314JetBlue
Find Deal
Fri, 6 Feb - Sun, 8 Feb
JetBlue Logo
6:05 a.m. - 10:35 a.m.BUF-ORD
5h 30m1 stop
JetBlue Logo
11:25 a.m. - 5:24 p.m.ORD-BUF
4h 59m1 stop
C$ 331JetBlue
Find Deal
Thu, 4 Dec - Mon, 8 Dec
American Airlines Logo
7:30 a.m. - 8:53 a.m.BUF-ORD
2h 23mdirect
American Airlines Logo
1:54 p.m. - 4:35 p.m.ORD-BUF
1h 41mdirect
C$ 338American Airlines
Find Deal
Tue, 20 Jan - Tue, 10 Feb
United Airlines Logo
5:40 p.m. - 6:46 p.m.BUF-ORD
2h 06mdirect
United Airlines Logo
10:35 a.m. - 1:12 p.m.ORD-BUF
1h 37mdirect
C$ 339United Airlines
Find Deal
Tue, 9 Dec - Wed, 10 Dec

United Airlines flights from Buffalo to Chicago

Our best United Airlines deals on Buffalo to Chicago flight tickets
United Airlines
22 Nov
BUF1:52 p.m.Buffalo
2h 03m
ORD2:55 p.m.Chicago O'Hare Intl
24 Nov
ORD7:25 a.m.Chicago O'Hare Intl
1h 38m
BUF10:03 a.m.Buffalo
C$ 336
Find similar
United Airlines
9 Dec
BUF5:40 p.m.Buffalo
2h 06m
ORD6:46 p.m.Chicago O'Hare Intl
10 Dec
ORD10:35 a.m.Chicago O'Hare Intl
1h 37m
BUF1:12 p.m.Buffalo
C$ 339
Find similar
United Airlines
24 Nov
BUF1:52 p.m.Buffalo
2h 03m
ORD2:55 p.m.Chicago O'Hare Intl
25 Dec
ORD6:02 p.m.Chicago O'Hare Intl
1h 52m
BUF8:54 p.m.Buffalo
C$ 343
Find similar

JetBlue flights from Buffalo to Chicago

Our best JetBlue deals on Buffalo to Chicago flight tickets
JetBlue
7 Jan
BUF10:00 a.m.Buffalo
8h 44m
1 stop
ORD5:44 p.m.Chicago O'Hare Intl
9 Jan
ORD7:45 a.m.Chicago O'Hare Intl
5h 45m
1 stop
BUF2:30 p.m.Buffalo
C$ 241
Find similar
JetBlue
20 Jan
BUF10:00 a.m.Buffalo
8h 44m
1 stop
ORD5:44 p.m.Chicago O'Hare Intl
10 Feb
ORD7:45 a.m.Chicago O'Hare Intl
5h 45m
1 stop
BUF2:30 p.m.Buffalo
C$ 257
Find similar
JetBlue
20 Jan
BUF10:00 a.m.Buffalo
8h 44m
1 stop
ORD5:44 p.m.Chicago O'Hare Intl
10 Feb
ORD7:45 a.m.Chicago O'Hare Intl
5h 45m
1 stop
BUF2:30 p.m.Buffalo
C$ 259
Find similar

momondo 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, momondo users made 96,600 searches. Data last updated 21 November 2025.
Use the filters below to find and compare flights from Buffalo to Chicago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Wed 7/1

10:00 a.m.-5:44 p.m.

1 stop8h 44m

Chicago O'Hare Intl

Fri 9/1

7:45 a.m.-2:30 p.m.

1 stop5h 45m

C$ 241

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Tue 20/1

10:00 a.m.-5:44 p.m.

1 stop8h 44m

Chicago O'Hare Intl

Tue 10/2

7:45 a.m.-2:30 p.m.

1 stop5h 45m

C$ 257

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Tue 20/1

10:00 a.m.-5:44 p.m.

1 stop8h 44m

Chicago O'Hare Intl

Tue 10/2

7:45 a.m.-2:30 p.m.

1 stop5h 45m

C$ 259

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Sat 13/12

6:05 a.m.-10:35 a.m.

1 stop5h 30m

Chicago O'Hare Intl

Mon 15/12

7:00 a.m.-3:59 p.m.

1 stop7h 59m

C$ 260

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Sun 7/12

6:05 a.m.-10:35 a.m.

1 stop5h 30m

Chicago O'Hare Intl

Thu 11/12

11:25 a.m.-5:24 p.m.

1 stop4h 59m

C$ 304

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Fri 5/12

11:30 a.m.-10:24 p.m.

1 stop11h 54m

Chicago O'Hare Intl

Sun 7/12

2:36 p.m.-2:15 p.m.

1 stop22h 39m

C$ 310

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Fri 6/2

10:00 a.m.-5:44 p.m.

1 stop8h 44m

Chicago O'Hare Intl

Sun 8/2

7:45 a.m.-2:30 p.m.

1 stop5h 45m

C$ 314

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Thu 4/12

6:05 a.m.-10:35 a.m.

1 stop5h 30m

Chicago O'Hare Intl

Mon 8/12

11:25 a.m.-5:24 p.m.

1 stop4h 59m

C$ 331

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Tue 20/1

7:30 a.m.-8:53 a.m.

Nonstop2h 23m

Chicago O'Hare Intl

Tue 10/2

1:54 p.m.-4:35 p.m.

Nonstop1h 41m

C$ 338

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Tue 9/12

5:40 p.m.-6:46 p.m.

Nonstop2h 06m

Chicago O'Hare Intl

Wed 10/12

10:35 a.m.-1:12 p.m.

Nonstop1h 37m

C$ 339

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Chicago from

How to get the cheapest flight ticket from Buffalo to Chicago

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Buffalo and Chicago?

What is the cheapest month to fly to Chicago?

The month of September is another great option to travel to Chicago, with average flight prices from Buffalo averaging around C$ 378.

What is the cheapest day to depart on your flight to Chicago?

The cheapest day to depart on your flight to Chicago is on a Friday when prices can be found for as low as C$ 612. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around C$ 770. These prices are subject to change though, so be sure to set up a Price Alert for flights to Chicago.

What is the cheapest time of day to depart on your flight to Chicago?

In the evening is the cheapest time of day to fly from Buffalo to Chicago when you can find flight prices for as low as C$ 580. Flying to Chicago in the evening is an ideal time because this is during off-peak travel hours. At noon is when there is more demand to fly to Chicago, so prices are often more expensive at around C$ 923 per ticket.

What is the cheapest Buffalo to Chicago flight route?

Fly from Buffalo to Chicago Midway for the best Buffalo - Chicago flight prices

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

You are more likely to see cheaper flights to Chicago from Buffalo when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around C$ 483 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago from Buffalo for as low as C$ 318 on momondo.

What cabin class options are available on Buffalo to Chicago flights?

There are 4 cabin classes available to choose from on Buffalo to Chicago flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Buffalo to Chicago flights?

You could potentially save up to 67% on your flight if you consider stops on a Buffalo to Chicago flight.

How have Buffalo to Chicago flight prices changed over time?

As of November 2025, prices for Buffalo to Chicago flights are approximately 28% more expensive when compared to flights at the same time last year.

When to book flights from Buffalo to Chicago

Are you open to changing your travel dates? Check out the ideal times to fly from Buffalo to Chicago according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Buffalo to Chicago (BUF to CHI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Buffalo to Chicago

Best price found

C$ 194

Fastest flight time

1h 55m

Direct flights

Every day

Airports in Chicago

1 airport
The best one-way flight to Chicago from Buffalo in the past 72 hours is C$ 194. The best round-trip flight deal from Buffalo to Chicago found on momondo in the last 72 hours is C$ 466.
The fastest flight from Buffalo to Chicago takes 1h 55m
Direct flights go from Buffalo to Chicago every day.
There is 1 airport near Chicago: Chicago O'Hare Intl (ORD)
Search flight deals

  • How far is Buffalo to Chicago by plane?

    Chicago is 726.5 km away from Buffalo. In terms of flight time, this usually takes a little over 1h 48m.

  • When did momondo last update prices for flights from Buffalo Airport to Chicago?

    Prices for flights from Buffalo Airport to Chicago are updated daily.

  • How many operators does momondo search for flights from Buffalo Airport to Chicago?

  • How old do you have to be to fly from Buffalo Airport to Chicago?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Buffalo Airport to Chicago.

  • What documentation or ID do you need to fly to Chicago?

    The necessary travel and health documents for your Chicago trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Buffalo to Chicago?

  • What is the most popular airline from Buffalo to Chicago?

Best airlines flying from Buffalo to Chicago

Compare and see reviews for airlines that fly from Buffalo to Chicago with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom C$ 314Free CancellationRating
7.2
11,048 reviews
Search American Airlines flights
SouthwestPriceFrom C$ 326Free CancellationRating
8.0
4,252 reviews
Search Southwest flights
United AirlinesPriceFrom C$ 349Free CancellationRating
7.4
9,035 reviews
Search United Airlines flights

  • Southwest Flights From Buffalo to Chicago

    Southwest flies from Buffalo to Chicago around 6 times per week, with 4,252 momondo users rating the airline 8.0/10. The cheapest Southwest deal from Buffalo to Chicago in the last 72 hours was C$ 326 (round-trip), much lower than the average airfare cost of C$ 400 for Southwest flights on this route.

  • United Airlines Flights From Buffalo to Chicago

    Another popular option for Buffalo to Chicago flights is United Airlines (7.4/10, 9,035 ratings). United Airlines flies from Buffalo to Chicago around 26 times per week, with deals starting from C$ 349 round-trip and rising to an average price of around C$ 575.

Travelling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Munster
Hammond
Merrillville

Why use momondo?

Why should I use momondo to find a flight deal from Buffalo to Chicago?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Buffalo to Chicago. momondo saves you time and could save you money on your trip.

Can I find flights from Buffalo to Chicago with flexible booking policies on momondo?

Yes. All flights to Chicago from Buffalo on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Buffalo to Chicago?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Buffalo to Chicago.

I’m not ready to book a flight from Buffalo to Chicago right now. Can momondo alert me if prices change?

Price alerts on flights to Chicago from Buffalo are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Find better results for your trip to the United States

Fly into one of these airports located in Chicago

Airports listed have a maximum distance of 25.6 km from Chicago
Chicago Midway Airport
Chicago O'Hare Intl Airport