Cheap flights from Buffalo to Chicago from C$ 120

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 22/7. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Buffalo to Chicago

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:55 a.m. - 7:55 a.m.
BUF
-
ORD
2h 00mdirect
United Airlines Logo
6:15 p.m. - 9:07 p.m.
ORD
-
BUF
1h 52mdirect
C$ 364United Airlines
Wed, 12 Aug - Wed, 12 Aug
JetBlue Logo
9:15 a.m. - 4:15 p.m.
BUF
-
ORD
8h 00m
1 stop
JetBlue Logo
9:39 a.m. - 6:54 p.m.
ORD
-
BUF
8h 15m
1 stop
C$ 374JetBlue
Fri, 7 Aug - Sun, 9 Aug
JetBlue Logo
6:00 a.m. - 10:06 a.m.
BUF
-
ORD
5h 06m
1 stop
JetBlue Logo
10:56 a.m. - 7:24 p.m.
ORD
-
BUF
7h 28m
1 stop
C$ 378JetBlue
Tue, 18 Aug - Wed, 19 Aug
Frontier Logo
2:48 p.m. - 7:53 p.m.
BUF
-
ORD
6h 05m
1 stop
Frontier Logo
7:05 a.m. - 1:53 p.m.
ORD
-
BUF
5h 48m
1 stop
C$ 381Frontier
Fri, 31 Jul - Mon, 3 Aug
United Airlines Logo
6:55 a.m. - 7:55 a.m.
BUF
-
ORD
2h 00mdirect
United Airlines Logo
2:07 p.m. - 4:56 p.m.
ORD
-
BUF
1h 49mdirect
C$ 391United Airlines
Thu, 3 Sep - Sun, 6 Sep
JetBlue Logo
3:50 p.m. - 9:29 p.m.
BUF
-
ORD
6h 39m
1 stop
JetBlue Logo
10:12 a.m. - 7:13 p.m.
ORD
-
BUF
8h 01m
1 stop
C$ 395JetBlue
Tue, 30 Jun - Sat, 4 Jul
Frontier Logo
12:28 p.m. - 7:53 p.m.
BUF
-
ORD
8h 25m
1 stop
Frontier Logo
5:13 p.m. - 7:06 p.m.
ORD
-
BUF
24h 53m
1 stop
C$ 406Frontier
Sat, 25 Jul - Sun, 26 Jul
JetBlue Logo
9:15 a.m. - 4:16 p.m.
BUF
-
ORD
8h 01m
1 stop
JetBlue Logo
6:00 a.m. - 2:59 p.m.
ORD
-
BUF
7h 59m
1 stop
C$ 413JetBlue
Fri, 17 Jul - Tue, 21 Jul
JetBlue Logo
6:00 a.m. - 10:06 a.m.
BUF
-
ORD
5h 06m
1 stop
JetBlue Logo
6:00 a.m. - 2:57 p.m.
ORD
-
BUF
7h 57m
1 stop
C$ 422JetBlue
Wed, 29 Jul - Thu, 6 Aug
Frontier Logo
2:48 p.m. - 7:53 p.m.
BUF
-
ORD
6h 05m
1 stop
Frontier Logo
5:46 p.m. - 1:53 p.m.
ORD
-
BUF
43h 07m
2 stops
C$ 423Frontier
Mon, 20 Jul - Sat, 25 Jul

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Frontier flights from Buffalo to Chicago

Our best Frontier deals on Buffalo to Chicago flight tickets
Frontier
31 Jul
BUF2:48 p.m.Buffalo
6h 05m
1 stop
ORD7:53 p.m.Chicago O'Hare Intl
3 Aug
ORD7:05 a.m.Chicago O'Hare Intl
5h 48m
1 stop
BUF1:53 p.m.Buffalo
C$ 381
Frontier
25 Jul
BUF12:28 p.m.Buffalo
8h 25m
1 stop
ORD7:53 p.m.Chicago O'Hare Intl
26 Jul
ORD5:13 p.m.Chicago O'Hare Intl
24h 53m
1 stop
BUF7:06 p.m.Buffalo
C$ 406
Frontier
20 Jul
BUF2:48 p.m.Buffalo
6h 05m
1 stop
ORD7:53 p.m.Chicago O'Hare Intl
25 Jul
ORD5:46 p.m.Chicago O'Hare Intl
43h 07m
2 stops
BUF1:53 p.m.Buffalo
C$ 423

Delta flights from Buffalo to Chicago

Our best Delta deals on Buffalo to Chicago flight tickets
Delta
30 Jun
BUF9:03 a.m.Buffalo
5h 01m
1 stop
ORD1:04 p.m.Chicago O'Hare Intl
3 Jul
ORD1:40 p.m.Chicago O'Hare Intl
4h 37m
1 stop
BUF7:17 p.m.Buffalo
C$ 447
Delta
8 Oct
BUF9:00 a.m.Buffalo
4h 37m
1 stop
ORD12:37 p.m.Chicago O'Hare Intl
12 Oct
ORD5:45 p.m.Chicago O'Hare Intl
5h 14m
1 stop
BUF11:59 p.m.Buffalo
C$ 452
Delta
26 Jul
BUF3:54 p.m.Buffalo
3h 35m
1 stop
ORD6:29 p.m.Chicago O'Hare Intl
28 Jul
ORD11:30 a.m.Chicago O'Hare Intl
6h 39m
1 stop
BUF7:09 p.m.Buffalo
C$ 486

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 19 June 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

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Wed 12/8

6:55 a.m.-7:55 a.m.

Nonstop2h 00m

Chicago O'Hare Intl

Wed 12/8

6:15 p.m.-9:07 p.m.

Nonstop1h 52m

C$ 364

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Fri 7/8

9:15 a.m.-4:15 p.m.

1 stop8h 00m

Chicago O'Hare Intl

Sun 9/8

9:39 a.m.-6:54 p.m.

1 stop8h 15m

C$ 374

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Tue 18/8

6:00 a.m.-10:06 a.m.

1 stop5h 06m

Chicago O'Hare Intl

Wed 19/8

10:56 a.m.-7:24 p.m.

1 stop7h 28m

C$ 378

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Fri 31/7

2:48 p.m.-7:53 p.m.

1 stop6h 05m

Chicago O'Hare Intl

Mon 3/8

7:05 a.m.-1:53 p.m.

1 stop5h 48m

C$ 381
Quickest round-trip

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Thu 3/9

6:55 a.m.-7:55 a.m.

Nonstop2h 00m

Chicago O'Hare Intl

Sun 6/9

2:07 p.m.-4:56 p.m.

Nonstop1h 49m

C$ 391

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Tue 30/6

3:50 p.m.-9:29 p.m.

1 stop6h 39m

Chicago O'Hare Intl

Sat 4/7

10:12 a.m.-7:13 p.m.

1 stop8h 01m

C$ 395

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Sat 25/7

12:28 p.m.-7:53 p.m.

1 stop8h 25m

Chicago O'Hare Intl

Sun 26/7

5:13 p.m.-7:06 p.m.

1 stop24h 53m

C$ 406

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Fri 17/7

9:15 a.m.-4:16 p.m.

1 stop8h 01m

Chicago O'Hare Intl

Tue 21/7

6:00 a.m.-2:59 p.m.

1 stop7h 59m

C$ 413

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Wed 29/7

6:00 a.m.-10:06 a.m.

1 stop5h 06m

Chicago O'Hare Intl

Thu 6/8

6:00 a.m.-2:57 p.m.

1 stop7h 57m

C$ 422

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Mon 20/7

2:48 p.m.-7:53 p.m.

1 stop6h 05m

Chicago O'Hare Intl

Sat 25/7

5:46 p.m.-1:53 p.m.

2 stops43h 07m

C$ 423

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 October is another great option to travel to Chicago, with average flight prices from Buffalo averaging around C$ 110.

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$ 569. 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$ 980. 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$ 536. 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$ 1,518 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$ 456 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$ 316 on momondo.

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

There are 3 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 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 June 2026, prices for Buffalo to Chicago flights are approximately 27% 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$ 289

Fastest flight time

1h 59m

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$ 289. The best round-trip flight deal from Buffalo to Chicago found on momondo in the last 72 hours is C$ 567.
The fastest flight from Buffalo to Chicago takes 1h 59m
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 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?

  • 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$ 328Free CancellationRating
7.9
4,239 reviews
Search Southwest flights
American AirlinesPriceFrom C$ 383Free CancellationRating
7.1
11,705 reviews
Search American Airlines flights
  • Southwest Flights From Buffalo to Chicago

    Southwest flies from Buffalo to Chicago around 15 times per week, with 4,239 momondo users rating the airline 7.9/10. The cheapest Southwest deal from Buffalo to Chicago in the last 72 hours was C$ 328 (round-trip), much lower than the average airfare cost of C$ 522 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, 11,705 ratings). American Airlines flies from Buffalo to Chicago around 27 times per week, with deals starting from C$ 383 round-trip and rising to an average price of around C$ 493.

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

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.
1 adult
Sun 19/7
Sun 26/7

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