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Cheap flights from Buffalo to Chicago from C$ 132

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 27/9. 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

Frontier Logo
7:11 p.m. - 7:44 p.m.BUF-ORD
25h 33m1 stop
Frontier Logo
8:49 p.m. - 6:14 p.m.ORD-BUF
20h 25m1 stop
C$ 230Frontier
Find Deal
Sat, 27 Sep - Fri, 3 Oct
Frontier Logo
7:11 p.m. - 7:44 p.m.BUF-ORD
25h 33m1 stop
Frontier Logo
11:36 a.m. - 6:46 p.m.ORD-BUF
6h 10m1 stop
C$ 253Frontier
Find Deal
Sat, 27 Sep - Thu, 2 Oct
JetBlue Logo
5:00 p.m. - 9:52 p.m.BUF-ORD
5h 52m1 stop
JetBlue Logo
7:00 a.m. - 3:59 p.m.ORD-BUF
7h 59m1 stop
C$ 279JetBlue
Find Deal
Tue, 2 Dec - Wed, 3 Dec
JetBlue Logo
5:00 p.m. - 9:52 p.m.BUF-ORD
5h 52m1 stop
JetBlue Logo
7:00 a.m. - 3:59 p.m.ORD-BUF
7h 59m1 stop
C$ 283JetBlue
Find Deal
Tue, 2 Dec - Thu, 4 Dec
American Airlines Logo
4:00 p.m. - 5:00 p.m.BUF-ORD
2h 00mdirect
American Airlines Logo
8:00 a.m. - 10:46 a.m.ORD-BUF
1h 46mdirect
C$ 344American Airlines
Find Deal
Tue, 20 Jan - Tue, 10 Feb
American Airlines Logo
4:00 p.m. - 5:00 p.m.BUF-ORD
2h 00mdirect
American Airlines Logo
8:05 a.m. - 2:24 p.m.ORD-BUF
5h 19m1 stop
C$ 358American Airlines
Find Deal
Tue, 20 Jan - Tue, 10 Feb
United Airlines Logo
7:07 a.m. - 8:05 a.m.BUF-ORD
1h 58mdirect
United Airlines Logo
2:09 p.m. - 4:53 p.m.ORD-BUF
1h 44mdirect
C$ 387United Airlines
Find Deal
Tue, 14 Oct - Thu, 16 Oct
United Airlines Logo
10:55 a.m. - 11:51 a.m.BUF-ORD
1h 56mdirect
United Airlines Logo
2:09 p.m. - 4:53 p.m.ORD-BUF
1h 44mdirect
C$ 403United Airlines
Find Deal
Thu, 16 Oct - Thu, 23 Oct
Southwest Logo
7:10 a.m. - 12:45 p.m.BUF-ORD
6h 35m2 stops
Southwest Logo
1:50 p.m. - 8:10 p.m.ORD-BUF
5h 20m1 stop
C$ 404Southwest
Find Deal
Tue, 28 Oct - Wed, 29 Oct
Southwest Logo
7:00 a.m. - 2:45 p.m.BUF-ORD
8h 45m1 stop
Southwest Logo
1:45 p.m. - 11:40 p.m.ORD-BUF
8h 55m2 stops
C$ 421Southwest
Find Deal
Tue, 11 Nov - Thu, 13 Nov

American Airlines flights from Buffalo to Chicago

Our best American Airlines deals on Buffalo to Chicago flight tickets
American Airlines
20 Jan
BUF4:00 p.m.Buffalo
2h 00m
ORD5:00 p.m.Chicago O'Hare Intl
10 Feb
ORD8:00 a.m.Chicago O'Hare Intl
1h 46m
BUF10:46 a.m.Buffalo
C$ 344
Find similar
American Airlines
20 Jan
BUF4:00 p.m.Buffalo
2h 00m
ORD5:00 p.m.Chicago O'Hare Intl
10 Feb
ORD8:05 a.m.Chicago O'Hare Intl
5h 19m
1 stop
BUF2:24 p.m.Buffalo
C$ 358
Find similar
American Airlines
2 Dec
BUF10:07 a.m.Buffalo
2h 00m
ORD11:07 a.m.Chicago O'Hare Intl
2 Dec
ORD8:59 p.m.Chicago O'Hare Intl
1h 37m
BUF11:36 p.m.Buffalo
C$ 371
Find similar

Delta flights from Buffalo to Chicago

Our best Delta deals on Buffalo to Chicago flight tickets
Delta
20 Jan
BUF11:15 a.m.Buffalo
7h 22m
1 stop
ORD5:37 p.m.Chicago O'Hare Intl
10 Feb
ORD10:35 a.m.Chicago O'Hare Intl
5h 32m
1 stop
BUF5:07 p.m.Buffalo
C$ 370
Find similar
Delta
27 Nov
BUF6:12 a.m.Buffalo
8h 38m
1 stop
ORD1:50 p.m.Chicago O'Hare Intl
2 Dec
ORD10:46 a.m.Chicago O'Hare Intl
11h 11m
1 stop
BUF10:57 p.m.Buffalo
C$ 392
Find similar
Delta
18 Feb
BUF5:55 p.m.Buffalo
3h 43m
1 stop
ORD8:38 p.m.Chicago O'Hare Intl
25 Feb
ORD7:00 a.m.Chicago O'Hare Intl
9h 07m
1 stop
BUF5:07 p.m.Buffalo
C$ 395
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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 17 September 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

Sat 27/9

7:11 p.m.-7:44 p.m.

1 stop25h 33m

Chicago O'Hare Intl

Fri 3/10

8:49 p.m.-6:14 p.m.

1 stop20h 25m

C$ 230

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Sat 27/9

7:11 p.m.-7:44 p.m.

1 stop25h 33m

Chicago O'Hare Intl

Thu 2/10

11:36 a.m.-6:46 p.m.

1 stop6h 10m

C$ 253

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Tue 2/12

5:00 p.m.-9:52 p.m.

1 stop5h 52m

Chicago O'Hare Intl

Wed 3/12

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

1 stop7h 59m

C$ 279

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Tue 2/12

5:00 p.m.-9:52 p.m.

1 stop5h 52m

Chicago O'Hare Intl

Thu 4/12

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

1 stop7h 59m

C$ 283

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Tue 20/1

4:00 p.m.-5:00 p.m.

Nonstop2h 00m

Chicago O'Hare Intl

Tue 10/2

8:00 a.m.-10:46 a.m.

Nonstop1h 46m

C$ 344

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Tue 20/1

4:00 p.m.-5:00 p.m.

Nonstop2h 00m

Chicago O'Hare Intl

Tue 10/2

8:05 a.m.-2:24 p.m.

1 stop5h 19m

C$ 358

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Tue 14/10

7:07 a.m.-8:05 a.m.

Nonstop1h 58m

Chicago O'Hare Intl

Thu 16/10

2:09 p.m.-4:53 p.m.

Nonstop1h 44m

C$ 387

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Thu 16/10

10:55 a.m.-11:51 a.m.

Nonstop1h 56m

Chicago O'Hare Intl

Thu 23/10

2:09 p.m.-4:53 p.m.

Nonstop1h 44m

C$ 403

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Tue 28/10

7:10 a.m.-12:45 p.m.

2 stops6h 35m

Chicago O'Hare Intl

Wed 29/10

1:50 p.m.-8:10 p.m.

1 stop5h 20m

C$ 404

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Tue 11/11

7:00 a.m.-2:45 p.m.

1 stop8h 45m

Chicago O'Hare Intl

Thu 13/11

1:45 p.m.-11:40 p.m.

2 stops8h 55m

C$ 421

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$ 391.

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$ 600. 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$ 748. 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$ 934 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$ 471 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$ 261 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 49% 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 September 2025, prices for Buffalo to Chicago flights are approximately 43% 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$ 330

Fastest flight time

1h 53m

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$ 330. The best round-trip flight deal from Buffalo to Chicago found on momondo in the last 72 hours is C$ 410.
The fastest flight from Buffalo to Chicago takes 1h 53m
Direct flights go from Buffalo to Chicago every day.
There is 1 airport near Chicago: Chicago O'Hare Intl (ORD)
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  • 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 54m.

  • 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
SouthwestPriceFrom C$ 149Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
American AirlinesPriceFrom C$ 307Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom C$ 386Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights

  • Southwest Flights From Buffalo to Chicago

    Southwest flies from Buffalo to Chicago around 15 times per week, with 4,242 momondo users rating the airline 8.0/10. The cheapest Southwest deal from Buffalo to Chicago in the last 72 hours was C$ 108 (round-trip), much lower than the average airfare cost of C$ 275 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, 8,926 ratings). United Airlines flies from Buffalo to Chicago around 28 times per week, with deals starting from C$ 280 round-trip and rising to an average price of around C$ 409.

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