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Cheap flights from Buffalo to Chicago from C$ 119

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 20/1. 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
6:00 a.m. - 11:48 a.m.
BUF
-
ORD
6h 48m1 stop
JetBlue Logo
10:56 a.m. - 7:01 p.m.
ORD
-
BUF
7h 05m1 stop
C$ 236JetBlue
Tue, 3 Mar - Thu, 12 Mar
Frontier Logo
11:42 a.m. - 12:29 a.m.
BUF
-
ORD
13h 47m1 stop
Frontier Logo
5:05 a.m. - 12:42 p.m.
ORD
-
BUF
6h 37m1 stop
C$ 253Frontier
Thu, 9 Apr - Mon, 13 Apr
JetBlue Logo
10:00 a.m. - 5:43 p.m.
BUF
-
ORD
8h 43m1 stop
JetBlue Logo
7:45 a.m. - 2:30 p.m.
ORD
-
BUF
5h 45m1 stop
C$ 254JetBlue
Sat, 10 Jan - Thu, 15 Jan
JetBlue Logo
6:00 a.m. - 11:48 a.m.
BUF
-
ORD
6h 48m1 stop
JetBlue Logo
12:41 p.m. - 6:34 p.m.
ORD
-
BUF
4h 53m1 stop
C$ 255JetBlue
Thu, 5 Mar - Fri, 6 Mar
Frontier Logo
1:39 p.m. - 10:46 p.m.
BUF
-
ORD
10h 07m1 stop
Frontier Logo
5:40 a.m. - 12:44 p.m.
ORD
-
BUF
6h 04m1 stop
C$ 272Frontier
Mon, 26 Jan - Fri, 30 Jan
JetBlue Logo
10:00 a.m. - 5:43 p.m.
BUF
-
ORD
8h 43m1 stop
JetBlue Logo
7:45 a.m. - 2:30 p.m.
ORD
-
BUF
5h 45m1 stop
C$ 280JetBlue
Wed, 7 Jan - Tue, 13 Jan
Frontier Logo
1:48 p.m. - 10:39 p.m.
BUF
-
ORD
9h 51m1 stop
Frontier Logo
6:02 p.m. - 10:12 a.m.
ORD
-
BUF
15h 10m2 stops
C$ 288Frontier
Mon, 2 Mar - Wed, 4 Mar
JetBlue Logo
10:25 a.m. - 5:43 p.m.
BUF
-
ORD
8h 18m1 stop
JetBlue Logo
7:45 a.m. - 2:30 p.m.
ORD
-
BUF
5h 45m1 stop
C$ 308JetBlue
Tue, 6 Jan - Thu, 15 Jan
United Airlines Logo
10:45 a.m. - 11:52 a.m.
BUF
-
ORD
2h 07mdirect
United Airlines Logo
10:35 a.m. - 1:24 p.m.
ORD
-
BUF
1h 49mdirect
C$ 320United Airlines
Tue, 20 Jan - Wed, 21 Jan
JetBlue Logo
10:00 a.m. - 5:43 p.m.
BUF
-
ORD
8h 43m1 stop
JetBlue Logo
7:45 a.m. - 2:30 p.m.
ORD
-
BUF
5h 45m1 stop
C$ 324JetBlue
Wed, 7 Jan - Fri, 9 Jan

JetBlue flights from Buffalo to Chicago

Our best JetBlue deals on Buffalo to Chicago flight tickets
JetBlue
3 Mar
BUF6:00 a.m.Buffalo
6h 48m
1 stop
ORD11:48 a.m.Chicago O'Hare Intl
10 Mar
ORD12:41 p.m.Chicago O'Hare Intl
4h 53m
1 stop
BUF6:34 p.m.Buffalo
C$ 236
Find similar
JetBlue
10 Jan
BUF10:00 a.m.Buffalo
8h 43m
1 stop
ORD5:43 p.m.Chicago O'Hare Intl
14 Jan
ORD7:45 a.m.Chicago O'Hare Intl
5h 45m
1 stop
BUF2:30 p.m.Buffalo
C$ 254
Find similar
JetBlue
5 Mar
BUF6:00 a.m.Buffalo
6h 48m
1 stop
ORD11:48 a.m.Chicago O'Hare Intl
6 Mar
ORD12:41 p.m.Chicago O'Hare Intl
4h 53m
1 stop
BUF6:34 p.m.Buffalo
C$ 255
Find similar

Frontier flights from Buffalo to Chicago

Our best Frontier deals on Buffalo to Chicago flight tickets
Frontier
9 Apr
BUF11:42 a.m.Buffalo
13h 47m
1 stop
ORD12:29 a.m.Chicago O'Hare Intl
13 Apr
ORD5:05 a.m.Chicago O'Hare Intl
6h 37m
1 stop
BUF12:42 p.m.Buffalo
C$ 252
Find similar
Frontier
26 Jan
BUF1:39 p.m.Buffalo
10h 07m
1 stop
ORD10:46 p.m.Chicago O'Hare Intl
30 Jan
ORD5:40 a.m.Chicago O'Hare Intl
6h 04m
1 stop
BUF12:44 p.m.Buffalo
C$ 272
Find similar
Frontier
2 Mar
BUF1:48 p.m.Buffalo
9h 51m
1 stop
ORD10:39 p.m.Chicago O'Hare Intl
4 Mar
ORD6:02 p.m.Chicago O'Hare Intl
15h 10m
2 stops
BUF10:12 a.m.Buffalo
C$ 288
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 22 December 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

Tue 3/3

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

1 stop6h 48m

Chicago O'Hare Intl

Thu 12/3

10:56 a.m.-7:01 p.m.

1 stop7h 05m

C$ 236

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Thu 9/4

11:42 a.m.-12:29 a.m.

1 stop13h 47m

Chicago O'Hare Intl

Mon 13/4

5:05 a.m.-12:42 p.m.

1 stop6h 37m

C$ 252

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Sat 10/1

10:00 a.m.-5:43 p.m.

1 stop8h 43m

Chicago O'Hare Intl

Thu 15/1

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

1 stop5h 45m

C$ 254

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Thu 5/3

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

1 stop6h 48m

Chicago O'Hare Intl

Fri 6/3

12:41 p.m.-6:34 p.m.

1 stop4h 53m

C$ 255

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Mon 26/1

1:39 p.m.-10:46 p.m.

1 stop10h 07m

Chicago O'Hare Intl

Fri 30/1

5:40 a.m.-12:44 p.m.

1 stop6h 04m

C$ 272

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Wed 7/1

10:00 a.m.-5:43 p.m.

1 stop8h 43m

Chicago O'Hare Intl

Tue 13/1

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

1 stop5h 45m

C$ 280

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Mon 2/3

1:48 p.m.-10:39 p.m.

1 stop9h 51m

Chicago O'Hare Intl

Wed 4/3

6:02 p.m.-10:12 a.m.

2 stops15h 10m

C$ 288

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Tue 6/1

10:25 a.m.-5:43 p.m.

1 stop8h 18m

Chicago O'Hare Intl

Thu 15/1

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

1 stop5h 45m

C$ 308

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Tue 20/1

10:45 a.m.-11:52 a.m.

Nonstop2h 07m

Chicago O'Hare Intl

Wed 21/1

10:35 a.m.-1:24 p.m.

Nonstop1h 49m

C$ 320

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Wed 7/1

10:00 a.m.-5:43 p.m.

1 stop8h 43m

Chicago O'Hare Intl

Fri 9/1

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

1 stop5h 45m

C$ 324

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$ 371.

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$ 589. 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$ 749. 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$ 547. 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$ 1,138 per ticket.

What is the cheapest Buffalo to Chicago flight route?

Fly from Buffalo to Chicago O'Hare Intl 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$ 460 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$ 312 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 62% 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 December 2025, prices for Buffalo to Chicago flights are approximately 44% 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$ 242

Fastest flight time

1h 55m

Direct flights

Every day

Airports in Chicago

3 airports
The best one-way flight to Chicago from Buffalo in the past 72 hours is C$ 242. The best round-trip flight deal from Buffalo to Chicago found on momondo in the last 72 hours is C$ 416.
The fastest flight from Buffalo to Chicago takes 1h 55m
Direct flights go from Buffalo to Chicago every day.
There are 3 airports in Chicago. From Buffalo there are direct flights to 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 55m.

  • 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$ 320Free CancellationRating
8.0
4,253 reviews
Search Southwest flights
United AirlinesPriceFrom C$ 342Free CancellationRating
7.4
9,102 reviews
Search United Airlines flights
American AirlinesPriceFrom C$ 380Free CancellationRating
7.2
11,052 reviews
Search American Airlines flights

  • Southwest Flights From Buffalo to Chicago

    Southwest flies from Buffalo to Chicago around 10 times per week, with 4,253 momondo users rating the airline 8.0/10. The cheapest Southwest deal from Buffalo to Chicago in the last 72 hours was C$ 320 (round-trip), much lower than the average airfare cost of C$ 393 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, 9,102 ratings). United Airlines flies from Buffalo to Chicago around 17 times per week, with deals starting from C$ 342 round-trip and rising to an average price of around C$ 564.

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.

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

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