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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 8/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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.
JetBlue Logo
3:52 p.m. - 9:55 p.m.
BUF
-
ORD
7h 03m
1 stop
JetBlue Logo
6:00 a.m. - 2:57 p.m.
ORD
-
BUF
7h 57m
1 stop
C$ 358JetBlue
Sun, 30 Aug - Thu, 3 Sep
JetBlue Logo
3:52 p.m. - 9:55 p.m.
BUF
-
ORD
7h 03m
1 stop
JetBlue Logo
10:56 a.m. - 7:13 p.m.
ORD
-
BUF
7h 17m
1 stop
C$ 359JetBlue
Sun, 30 Aug - Tue, 8 Sep
JetBlue Logo
9:15 a.m. - 4:15 p.m.
BUF
-
ORD
8h 00m
1 stop
JetBlue Logo
5:27 p.m. - 12:05 a.m.
ORD
-
BUF
5h 38m
1 stop
C$ 362JetBlue
Fri, 7 Aug - Mon, 10 Aug
United Airlines Logo
7:00 a.m. - 8:00 a.m.
BUF
-
ORD
2h 00mdirect
United Airlines Logo
6:50 a.m. - 9:29 a.m.
ORD
-
BUF
1h 39mdirect
C$ 364United Airlines
Thu, 8 Oct - Tue, 13 Oct
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$ 369JetBlue
Fri, 7 Aug - Sun, 9 Aug
Frontier Logo
2:50 p.m. - 7:55 p.m.
BUF
-
ORD
6h 05m
1 stop
Frontier Logo
6:55 a.m. - 1:55 p.m.
ORD
-
BUF
6h 00m
1 stop
C$ 371Frontier
Mon, 31 Aug - Mon, 7 Sep
Frontier Logo
11:29 a.m. - 7:53 p.m.
BUF
-
ORD
9h 24m
1 stop
Frontier Logo
7:05 a.m. - 1:53 p.m.
ORD
-
BUF
5h 48m
1 stop
C$ 375Frontier
Thu, 23 Jul - Mon, 27 Jul
Frontier Logo
11:35 a.m. - 7:55 p.m.
BUF
-
ORD
9h 20m
1 stop
Frontier Logo
6:55 a.m. - 1:55 p.m.
ORD
-
BUF
6h 00m
1 stop
C$ 378Frontier
Thu, 3 Sep - Mon, 7 Sep
Delta Logo
9:03 a.m. - 1:04 p.m.
BUF
-
ORD
5h 01m
1 stop
Delta Logo
5:22 p.m. - 10:45 p.m.
ORD
-
BUF
4h 23m
1 stop
C$ 382Delta
Tue, 30 Jun - Sat, 4 Jul
Delta Logo
8:57 a.m. - 1:08 p.m.
BUF
-
ORD
5h 11m
1 stop
Delta Logo
5:20 p.m. - 11:09 p.m.
ORD
-
BUF
4h 49m
1 stop
C$ 387Delta
Wed, 2 Sep - Wed, 2 Sep

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Frontier flights from Buffalo to Chicago O'Hare Intl Airport

Our best Frontier deals on Buffalo to Chicago O'Hare Intl Airport flight tickets
Frontier
31 Aug
BUF2:50 p.m.Buffalo
6h 05m
1 stop
ORD7:55 p.m.Chicago O'Hare Intl
4 Sep
ORD6:55 a.m.Chicago O'Hare Intl
6h 00m
1 stop
BUF1:55 p.m.Buffalo
C$ 371
Frontier
23 Jul
BUF11:29 a.m.Buffalo
9h 24m
1 stop
ORD7:53 p.m.Chicago O'Hare Intl
27 Jul
ORD7:05 a.m.Chicago O'Hare Intl
5h 48m
1 stop
BUF1:53 p.m.Buffalo
C$ 375
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$ 376

United Airlines flights from Buffalo to Chicago O'Hare Intl Airport

Our best United Airlines deals on Buffalo to Chicago O'Hare Intl Airport flight tickets
United Airlines
8 Oct
BUF7:00 a.m.Buffalo
2h 00m
ORD8:00 a.m.Chicago O'Hare Intl
13 Oct
ORD6:50 a.m.Chicago O'Hare Intl
1h 39m
BUF9:29 a.m.Buffalo
C$ 364
United Airlines
7 Aug
BUF6:04 p.m.Buffalo
1h 59m
ORD7:03 p.m.Chicago O'Hare Intl
11 Aug
ORD2:07 p.m.Chicago O'Hare Intl
1h 49m
BUF4:56 p.m.Buffalo
C$ 399
United Airlines
11 Aug
BUF5:58 p.m.Buffalo
2h 02m
ORD7:00 p.m.Chicago O'Hare Intl
12 Aug
ORD6:15 p.m.Chicago O'Hare Intl
1h 52m
BUF9:07 p.m.Buffalo
C$ 407

momondo Fare Finder

 
Customize your flight search to find flights from Buffalo to Chicago O'Hare Intl Airport 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 15 June 2026.
Use the filters below to find and compare flights from Buffalo to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Sun 30/8

3:52 p.m.-9:55 p.m.

1 stop7h 03m

Chicago O'Hare Intl

Thu 3/9

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

1 stop7h 57m

C$ 358

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Sun 30/8

3:52 p.m.-9:55 p.m.

1 stop7h 03m

Chicago O'Hare Intl

Tue 8/9

10:56 a.m.-7:13 p.m.

1 stop7h 17m

C$ 359

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Fri 7/8

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

1 stop8h 00m

Chicago O'Hare Intl

Mon 10/8

5:27 p.m.-12:05 a.m.

1 stop5h 38m

C$ 362
Quickest round-trip

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Thu 8/10

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

Nonstop2h 00m

Chicago O'Hare Intl

Tue 13/10

6:50 a.m.-9:29 a.m.

Nonstop1h 39m

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$ 369

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Mon 31/8

2:50 p.m.-7:55 p.m.

1 stop6h 05m

Chicago O'Hare Intl

Mon 7/9

6:55 a.m.-1:55 p.m.

1 stop6h 00m

C$ 371

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Thu 23/7

11:29 a.m.-7:53 p.m.

1 stop9h 24m

Chicago O'Hare Intl

Mon 27/7

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

1 stop5h 48m

C$ 375

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Thu 3/9

11:35 a.m.-7:55 p.m.

1 stop9h 20m

Chicago O'Hare Intl

Mon 7/9

6:55 a.m.-1:55 p.m.

1 stop6h 00m

C$ 378

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Tue 30/6

9:03 a.m.-1:04 p.m.

1 stop5h 01m

Chicago O'Hare Intl

Sat 4/7

5:22 p.m.-10:45 p.m.

1 stop4h 23m

C$ 382

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Wed 2/9

8:57 a.m.-1:08 p.m.

1 stop5h 11m

Chicago O'Hare Intl

Wed 2/9

5:20 p.m.-11:09 p.m.

1 stop4h 49m

C$ 387

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Buffalo to Chicago O'Hare Intl Airport

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 O'Hare Intl Airport?

What is the cheapest month to fly to Chicago O'Hare Intl Airport?

In general, January is the cheapest month to fly from Buffalo to Chicago O'Hare Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 330. The month of August is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Buffalo averaging around C$ 365.

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Friday when prices can be found for as low as C$ 687. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Buffalo to Chicago O'Hare Intl Airport for around C$ 1,328.

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

In the morning is the cheapest time of day to fly from Buffalo to Chicago O'Hare Intl Airport when you can find flight prices for as low as C$ 687. Flying to Chicago O'Hare Intl Airport in the morning is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying at noon when prices are C$ 1,534 on average. Flights to Chicago O'Hare Intl Airport from Buffalo at noon are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Buffalo to Chicago O'Hare Intl flight route?

Fly from Buffalo to Chicago O'Hare Intl for the best Buffalo - Chicago O'Hare Intl flight prices

How far in advance should I book a flight from Buffalo to Chicago O'Hare Intl Airport?

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Buffalo when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around C$ 449 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from Buffalo for as low as C$ 312 on momondo.

What cabin class options are available on Buffalo to Chicago O'Hare Intl Airport flights?

There are 3 cabin classes available to choose from on Buffalo to Chicago O'Hare Intl Airport 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 O'Hare Intl Airport flights?

You could potentially save up to 72% on your flight if you consider stops on a Buffalo to Chicago O'Hare Intl Airport flight.

How have Buffalo to Chicago O'Hare Intl Airport flight prices changed over time?

As of June 2026, prices for Buffalo to Chicago O'Hare Intl Airport flights are approximately 17% more expensive when compared to flights at the same time last year.

When to book flights from Buffalo to Chicago O'Hare Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Buffalo to Chicago O'Hare Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Buffalo to Chicago O'Hare Intl Airport (BUF to ORD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Buffalo to Chicago O'Hare Intl Airport

Best price found

C$ 381

Fastest flight time

1h 59m

Direct flights

Every day
The best one-way flight to Chicago O'Hare Intl Airport from Buffalo in the past 72 hours is C$ 381. The best round-trip flight deal from Buffalo to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is C$ 885.
The fastest flight from Buffalo to Chicago O'Hare Intl Airport takes 1h 59m
Direct flights go from Buffalo to Chicago O'Hare Intl Airport every day.
Search flight deals

Frequently asked questions about flying from Buffalo to Chicago O'Hare Intl Airport

  • How far is Buffalo to Chicago O'Hare Intl by plane?

    There are 746.7 km between Buffalo and Chicago O'Hare Intl. 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 O'Hare Intl Airport?

    Prices for flights from Buffalo Airport to Chicago O'Hare Intl Airport refresh daily.

  • How many operators does momondo search for flights from Buffalo Airport to Chicago O'Hare Intl Airport?

  • How old do you have to be to fly from Buffalo Airport to Chicago O'Hare Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Buffalo Airport to Chicago O'Hare Intl Airport.

  • What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

    The travel and health documents required for your trip to Chicago O'Hare Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Chicago O'Hare Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Buffalo to Chicago O'Hare Intl Airport?

  • What is the most popular airline from Buffalo to Chicago O'Hare Intl Airport?

Best airlines flying from Buffalo to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from Buffalo to Chicago O'Hare Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom C$ 379Free CancellationRating
7.1
11,660 reviews
Search American Airlines flights

  • American Airlines Flights From Buffalo to Chicago O'Hare Intl Airport

    American Airlines operates around 25 flights from Buffalo to Chicago O'Hare Intl Airport every week. The average price of these flights found in the last 72 hours has been C$ 487, but momondo users have found American Airlines deals from Buffalo to Chicago O'Hare Intl Airport from as low as C$ 379 round-trip. American Airlines has been scored 7.1/10 in 11,660 reviews.

Travelling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Schaumburg
Glenview
Waukegan
Rosemont
Des Plaines
Merrillville
Kenosha
Northbrook
Tinley Park
Evanston
Downers Grove
Great Lakes
Hammond
Harvey
Naperville
Munster
Harvard
Hoffman Estates
Elmhurst
DeKalb

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. momondo enables you to select and highlight flights to Chicago from Buffalo with this policy.

How can momondo help me find flights from Buffalo to Chicago?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Chicago from Buffalo.

I’m not ready to book a flight from Buffalo to Chicago right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Chicago from Buffalo. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Chicago O'Hare Intl Airport trip

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