What is the cheapest airline that flies from Buffalo to Chicago?

JetBlue and United Airlines are the most popular carriers operating from Buffalo to Chicago

How many flights depart from Buffalo to Chicago on average per day?

As of November 2025, there are 22 flights per day flying from Buffalo to Chicago. The most common time of day flights depart is 1:00p.m., with 50% of flights taking off in the afternoon.

How many flights depart from Buffalo to Chicago on average per week?

As of November 2025, there are 159 flights per week flying from Buffalo to Chicago. The most common day of the week flights depart is Tue, with 18% of flights taking off on this day.

Which airlines fly to Chicago?

United Airlines, American Airlines and Southwest are the top three most popular airlines that fly to Chicago from Buffalo according to our data. United Airlines is the first choice among our users, with 46% of people opting to fly with this airline when travelling to Chicago. Keep in mind that there are 3 different airlines that fly to Chicago on a routine basis, so you have a few additional options to choose from.

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?

As of November 2025, there are 2 operators available to choose from 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.

C$ 136 Cheap Flights from Buffalo to Chicago in 2025/26

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

Prices are currently low for flights on this route. Typical prices usually range from C$ 390 to C$ 636. The lowest price recently found on this route was C$ 243.

1 adult

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One-way

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Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 a.m. - 11:48 a.m.BUF-ORD

6h 48m1 stop

12:41 p.m. - 6:33 p.m.ORD-BUF

4h 52m1 stop

C$ 243JetBlue

Find Deal

Sun, 1 Mar - Tue, 3 Mar

6:30 a.m. - 12:50 p.m.BUF-ORD

7h 20m1 stop

1:45 p.m. - 11:41 p.m.ORD-BUF

8h 56m1 stop

C$ 271JetBlue

Find Deal

Tue, 7 Apr - Fri, 10 Apr

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

8h 44m1 stop

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

5h 45m1 stop

C$ 292JetBlue

Find Deal

Tue, 20 Jan - Tue, 10 Feb

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

8h 44m1 stop

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

5h 45m1 stop

C$ 293JetBlue

Find Deal

Wed, 7 Jan - Fri, 9 Jan

6:00 a.m. - 11:48 a.m.BUF-ORD

6h 48m1 stop

12:41 p.m. - 8:38 p.m.ORD-BUF

6h 57m1 stop

C$ 306JetBlue

Find Deal

Wed, 25 Feb - Sun, 1 Mar

5:16 p.m. - 6:40 p.m.BUF-ORD

2h 24mdirect

9:05 p.m. - 11:48 p.m.ORD-BUF

1h 43mdirect

C$ 338American Airlines

Find Deal

Tue, 20 Jan - Tue, 10 Feb

6:03 a.m. - 9:40 a.m.BUF-ORD

4h 37m1 stop

9:52 a.m. - 5:33 p.m.ORD-BUF

6h 41m1 stop

C$ 366Delta

Find Deal

Sat, 14 Feb - Tue, 17 Feb

5:44 p.m. - 8:43 p.m.BUF-ORD

3h 59m1 stop

7:01 a.m. - 2:58 p.m.ORD-BUF

6h 57m1 stop

C$ 372Delta

Find Deal

Fri, 20 Feb - Sat, 21 Feb

7:00 a.m. - 8:05 a.m.BUF-ORD

2h 05mdirect

2:08 p.m. - 4:53 p.m.ORD-BUF

1h 45mdirect

C$ 377United Airlines

Find Deal

Wed, 17 Dec - Wed, 17 Dec

7:00 a.m. - 8:05 a.m.BUF-ORD

2h 05mdirect

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

1h 41mdirect

C$ 380United Airlines

Find Deal

Wed, 4 Mar - Sat, 7 Mar

United Airlines flights from Buffalo to Chicago

Our best United Airlines deals on Buffalo to Chicago flight tickets

United Airlines

20 Nov

BUF1:52 p.m.Buffalo

2h 03m

ORD2:55 p.m.Chicago O'Hare Intl

23 Nov

ORD7:25 a.m.Chicago O'Hare Intl

1h 38m

BUF10:03 a.m.Buffalo

C$ 335

Find similar

United Airlines

17 Dec

BUF7:00 a.m.Buffalo

2h 05m

ORD8:05 a.m.Chicago O'Hare Intl

17 Dec

ORD2:08 p.m.Chicago O'Hare Intl

1h 45m

BUF4:53 p.m.Buffalo

C$ 377

Find similar

United Airlines

4 Mar

BUF7:00 a.m.Buffalo

2h 05m

ORD8:05 a.m.Chicago O'Hare Intl

7 Mar

ORD6:10 p.m.Chicago O'Hare Intl

1h 41m

BUF8:51 p.m.Buffalo

C$ 380

Find similar

JetBlue flights from Buffalo to Chicago

Our best JetBlue deals on Buffalo to Chicago flight tickets

JetBlue

1 Mar

BUF6:00 a.m.Buffalo

6h 48m

1 stop

ORD11:48 a.m.Chicago O'Hare Intl

3 Mar

ORD12:41 p.m.Chicago O'Hare Intl

4h 52m

1 stop

BUF6:33 p.m.Buffalo

C$ 243

Find similar

JetBlue

7 Apr

BUF6:30 a.m.Buffalo

7h 20m

1 stop

ORD12:50 p.m.Chicago O'Hare Intl

10 Apr

ORD1:45 p.m.Chicago O'Hare Intl

8h 56m

1 stop

BUF11:41 p.m.Buffalo

C$ 271

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$ 292

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Sun 1/3

6:00 a.m.-11:48 a.m.

1 stop6h 48m

Chicago O'Hare Intl

Tue 3/3

12:41 p.m.-6:33 p.m.

1 stop4h 52m

C$ 243

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Tue 7/4

6:30 a.m.-12:50 p.m.

1 stop7h 20m

Chicago O'Hare Intl

Fri 10/4

1:45 p.m.-11:41 p.m.

1 stop8h 56m

C$ 271

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$ 292

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$ 293

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Wed 25/2

6:00 a.m.-11:48 a.m.

1 stop6h 48m

Chicago O'Hare Intl

Sun 1/3

12:41 p.m.-8:38 p.m.

1 stop6h 57m

C$ 306

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Tue 20/1

5:16 p.m.-6:40 p.m.

Nonstop2h 24m

Chicago O'Hare Intl

Tue 10/2

9:05 p.m.-11:48 p.m.

Nonstop1h 43m

C$ 338

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Sat 14/2

6:03 a.m.-9:40 a.m.

1 stop4h 37m

Chicago O'Hare Intl

Tue 17/2

9:52 a.m.-5:33 p.m.

1 stop6h 41m

C$ 366

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Fri 20/2

5:44 p.m.-8:43 p.m.

1 stop3h 59m

Chicago O'Hare Intl

Sat 21/2

7:01 a.m.-2:58 p.m.

1 stop6h 57m

C$ 372

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Wed 17/12

7:00 a.m.-8:05 a.m.

Nonstop2h 05m

Chicago O'Hare Intl

Wed 17/12

2:08 p.m.-4:53 p.m.

Nonstop1h 45m

C$ 377

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Wed 4/3

7:00 a.m.-8:05 a.m.

Nonstop2h 05m

Chicago O'Hare Intl

Sat 7/3

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

Nonstop1h 41m

C$ 380

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

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$ 377.

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$ 611. 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$ 768. 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$ 579. 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$ 921 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$ 482 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$ 317 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 48m
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$ 465.

The fastest flight from Buffalo to Chicago takes 1h 48m

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 59m.
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?
As of November 2025, there are 2 operators available to choose from 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?
Based on momondo bookings for flights between Buffalo and Chicago, the leading plane model is Boeing 737-800, making up 19.87% of the total bookings. Other popular models include Embraer 175 with 10.32%, Canadair (Bombardier) Regional Jet CRJ-550 with 10.32%, and Boeing 737 MAX 8 with 9.22%.
What is the most popular airline from Buffalo to Chicago?
momondo data reveals that the most frequently booked airline on the route from Buffalo to Chicago is Southwest, representing 49% of all bookings. The subsequent popular airlines are Frontier at 22%, United Airlines at 15%, and American Airlines at 14%.

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 Airlines	PriceFrom C$ 313	Free Cancellation	Rating 7.2 11,045 reviews	Search American Airlines flights
Southwest	PriceFrom C$ 326	Free Cancellation	Rating 8.0 4,248 reviews	Search Southwest flights
United Airlines	PriceFrom C$ 348	Free Cancellation	Rating 7.4 9,019 reviews	Search United Airlines flights

Southwest Flights From Buffalo to Chicago
Southwest flies from Buffalo to Chicago around 11 times per week, with 4,248 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$ 399 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, 9,019 ratings). United Airlines flies from Buffalo to Chicago around 28 times per week, with deals starting from C$ 348 round-trip and rising to an average price of around C$ 574.

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.

An easier way to manage your Chicago trip

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Find better results for your trip to the United States

Fly into one of these airports located in Chicago

Chicago Midway Airport

Chicago O'Hare Intl Airport

Popular Cities in the United States

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Cheap flights from Buffalo to Chicago from C$ 136

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.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Buffalo to Chicago

Cheap round-trip flights

Cheap one-way flights

Cheap last-minute flights

Cheap direct flights

United Airlines flights from Buffalo to Chicago

Our best United Airlines deals on Buffalo to Chicago flight tickets

JetBlue flights from Buffalo to Chicago

Our best JetBlue deals on Buffalo to Chicago flight tickets

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Use the filters below to find and compare flights from Buffalo to Chicago that are best for you.

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$ 377.

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

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

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?

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.

What is the cheapest airline that flies from Buffalo to Chicago?

JetBlue and United Airlines are the most popular carriers operating from Buffalo to Chicago

Which airlines fly to Chicago?

How many flights depart from Buffalo to Chicago on average per day?

As of November 2025, there are 22 flights per day flying from Buffalo to Chicago. The most common time of day flights depart is 1:00p.m., with 50% of flights taking off in the afternoon.

How many flights depart from Buffalo to Chicago on average per week?

As of November 2025, there are 159 flights per week flying from Buffalo to Chicago. The most common day of the week flights depart is Tue, with 18% of flights taking off on this day.

When to book flights from Buffalo to Chicago

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

Fastest flight time

Direct flights

Airports in Chicago

How far is Buffalo to Chicago by plane?

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

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?

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

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

Southwest Flights From Buffalo to Chicago

United Airlines Flights From Buffalo to Chicago

Travelling to a place near Chicago?

Why use momondo?

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

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

How can momondo help me find flights 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?

An easier way to manage your Chicago trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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