Cheap flights from Buffalo to Chicago from C$ 104

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 10/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Find the cheapest flights from Buffalo to Chicago

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
7:00 a.m. - 7:58 a.m.
BUF
-
ORD
1h 58mdirect
United Airlines Logo
7:00 a.m. - 9:42 a.m.
ORD
-
BUF
1h 42mdirect
C$ 343United Airlines
Sat, 16 May - Tue, 19 May
Delta Logo
6:25 a.m. - 8:45 a.m.
BUF
-
ORD
3h 20m
1 stop
Delta Logo
7:00 p.m. - 11:59 p.m.
ORD
-
BUF
3h 59m
1 stop
C$ 351Delta
Tue, 19 May - Tue, 19 May
Frontier Logo
11:36 a.m. - 7:51 p.m.
BUF
-
ORD
9h 15m
1 stop
Frontier Logo
4:05 p.m. - 11:10 a.m.
ORD
-
BUF
18h 05m
2 stops
C$ 357Frontier
Thu, 4 Jun - Mon, 8 Jun
Frontier Logo
2:49 p.m. - 7:55 a.m.
BUF
-
ORD
18h 06m
1 stop
Frontier Logo
4:05 p.m. - 10:41 a.m.
ORD
-
BUF
17h 36m
2 stops
C$ 361Frontier
Fri, 29 May - Mon, 1 Jun
United Airlines Logo
7:00 a.m. - 7:59 a.m.
BUF
-
ORD
1h 59mdirect
United Airlines Logo
6:17 p.m. - 9:03 p.m.
ORD
-
BUF
1h 46mdirect
C$ 362United Airlines
Sat, 23 May - Sat, 30 May
Frontier Logo
2:47 p.m. - 11:13 p.m.
BUF
-
ORD
9h 26m
1 stop
Frontier Logo
1:59 p.m. - 10:41 a.m.
ORD
-
BUF
19h 42m
1 stop
C$ 363Frontier
Sat, 16 May - Mon, 18 May
American Airlines Logo
8:00 a.m. - 9:04 a.m.
BUF
-
ORD
2h 04mdirect
American Airlines Logo
10:01 p.m. - 12:38 a.m.
ORD
-
BUF
1h 37mdirect
C$ 365American Airlines
Thu, 4 Jun - Mon, 8 Jun
Frontier Logo
2:49 p.m. - 7:55 a.m.
BUF
-
ORD
18h 06m
1 stop
Frontier Logo
4:05 p.m. - 10:41 a.m.
ORD
-
BUF
17h 36m
2 stops
C$ 377Frontier
Fri, 15 May - Mon, 18 May
Frontier Logo
7:57 p.m. - 11:05 p.m.
BUF
-
ORD
28h 08m
1 stop
Frontier Logo
5:30 p.m. - 7:07 p.m.
ORD
-
BUF
24h 37m
1 stop
C$ 384Frontier
Wed, 12 Aug - Sun, 23 Aug
Delta Logo
4:55 p.m. - 11:59 p.m.
BUF
-
ORD
8h 04m
1 stop
Delta Logo
3:00 p.m. - 11:59 p.m.
ORD
-
BUF
7h 59m
1 stop
C$ 389Delta
Thu, 4 Jun - Sat, 6 Jun

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Delta flights from Buffalo to Chicago

Our best Delta deals on Buffalo to Chicago flight tickets
Delta
19 May
BUF6:25 a.m.Buffalo
3h 20m
1 stop
ORD8:45 a.m.Chicago O'Hare Intl
19 May
ORD7:00 p.m.Chicago O'Hare Intl
3h 59m
1 stop
BUF11:59 p.m.Buffalo
C$ 351
Delta
4 Jun
BUF4:55 p.m.Buffalo
8h 04m
1 stop
ORD11:59 p.m.Chicago O'Hare Intl
6 Jun
ORD3:00 p.m.Chicago O'Hare Intl
7h 59m
1 stop
BUF11:59 p.m.Buffalo
C$ 389
Delta
3 Jun
BUF6:25 a.m.Buffalo
3h 20m
1 stop
ORD8:45 a.m.Chicago O'Hare Intl
11 Jun
ORD1:00 p.m.Chicago O'Hare Intl
10h 38m
1 stop
BUF12:38 a.m.Buffalo
C$ 423

Frontier flights from Buffalo to Chicago

Our best Frontier deals on Buffalo to Chicago flight tickets
Frontier
4 Jun
BUF11:36 a.m.Buffalo
9h 15m
1 stop
ORD7:51 p.m.Chicago O'Hare Intl
8 Jun
ORD4:05 p.m.Chicago O'Hare Intl
18h 05m
2 stops
BUF11:10 a.m.Buffalo
C$ 356
Frontier
29 May
BUF2:49 p.m.Buffalo
18h 06m
1 stop
ORD7:55 a.m.Chicago O'Hare Intl
1 Jun
ORD4:05 p.m.Chicago O'Hare Intl
17h 36m
2 stops
BUF10:41 a.m.Buffalo
C$ 361
Frontier
16 May
BUF2:47 p.m.Buffalo
9h 26m
1 stop
ORD11:13 p.m.Chicago O'Hare Intl
18 May
ORD1:59 p.m.Chicago O'Hare Intl
19h 42m
1 stop
BUF10:41 a.m.Buffalo
C$ 363

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 29 April 2026.
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

Cheapest round-trip
Quickest round-trip

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Sat 16/5

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

Nonstop1h 58m

Chicago O'Hare Intl

Tue 19/5

7:00 a.m.-9:42 a.m.

Nonstop1h 42m

C$ 343

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Tue 19/5

6:25 a.m.-8:45 a.m.

1 stop3h 20m

Chicago O'Hare Intl

Tue 19/5

7:00 p.m.-11:59 p.m.

1 stop3h 59m

C$ 351

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Thu 4/6

11:36 a.m.-7:51 p.m.

1 stop9h 15m

Chicago O'Hare Intl

Mon 8/6

4:05 p.m.-11:10 a.m.

2 stops18h 05m

C$ 356

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Fri 29/5

2:49 p.m.-7:55 a.m.

1 stop18h 06m

Chicago O'Hare Intl

Mon 1/6

4:05 p.m.-10:41 a.m.

2 stops17h 36m

C$ 361

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Sat 23/5

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

Nonstop1h 59m

Chicago O'Hare Intl

Sat 30/5

6:17 p.m.-9:03 p.m.

Nonstop1h 46m

C$ 362

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Sat 16/5

2:47 p.m.-11:13 p.m.

1 stop9h 26m

Chicago O'Hare Intl

Mon 18/5

1:59 p.m.-10:41 a.m.

1 stop19h 42m

C$ 363

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Thu 4/6

8:00 a.m.-9:04 a.m.

Nonstop2h 04m

Chicago O'Hare Intl

Mon 8/6

10:01 p.m.-12:38 a.m.

Nonstop1h 37m

C$ 365

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Fri 15/5

2:49 p.m.-7:55 a.m.

1 stop18h 06m

Chicago O'Hare Intl

Mon 18/5

4:05 p.m.-10:41 a.m.

2 stops17h 36m

C$ 377

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Wed 12/8

7:57 p.m.-11:05 p.m.

1 stop28h 08m

Chicago O'Hare Intl

Sun 23/8

5:30 p.m.-7:07 p.m.

1 stop24h 37m

C$ 384

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Thu 4/6

4:55 p.m.-11:59 p.m.

1 stop8h 04m

Chicago O'Hare Intl

Sat 6/6

3:00 p.m.-11:59 p.m.

1 stop7h 59m

C$ 389

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 August is another great option to travel to Chicago, with average flight prices from Buffalo averaging around C$ 105.

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$ 547. 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$ 798. 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$ 537. 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$ 1,408 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 from Buffalo 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$ 432 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$ 165 on momondo.

Can stopping save me money on Buffalo to Chicago flights?

You could potentially save up to 26% 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 April 2026, prices for Buffalo to Chicago flights are approximately 140% 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$ 250

Fastest flight time

1h 58m

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$ 250. The best round-trip flight deal from Buffalo to Chicago found on momondo in the last 72 hours is C$ 419.
The fastest flight from Buffalo to Chicago takes 1h 58m
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).

Frequently asked questions about flying from Buffalo to Chicago

  • 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 58m.

  • 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$ 317Free CancellationRating
8.0
4,314 reviews
Search Southwest flights
American AirlinesPriceFrom C$ 370Free CancellationRating
7.1
11,678 reviews
Search American Airlines flights
  • Southwest Flights From Buffalo to Chicago

    Southwest flies from Buffalo to Chicago around 15 times per week, with 4,314 momondo users rating the airline 8.0/10. The cheapest Southwest deal from Buffalo to Chicago in the last 72 hours was C$ 317 (round-trip), much lower than the average airfare cost of C$ 376 for Southwest flights on this route.

  • American Airlines Flights From Buffalo to Chicago

    Another popular option for Buffalo to Chicago flights is American Airlines (7.1/10, 11,678 ratings). American Airlines flies from Buffalo to Chicago around 9 times per week, with deals starting from C$ 370 round-trip and rising to an average price of around C$ 455.

Travelling to a place near Chicago?

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

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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1 adult
Fri 29/5
Fri 5/6

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