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Cheap flights from Buffalo to Chicago from C$ 107

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 24/12. 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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Find the cheapest flights from Buffalo to Chicago (BUF-ORD)

Cheap round-trip flights

United Airlines Logo
10:55 a.m. - 11:51 a.m.BUF-ORD
1h 56mdirect
United Airlines Logo
7:10 a.m. - 9:53 a.m.ORD-BUF
1h 43mdirect
C$ 213United Airlines
Find Deal
Wed, 10 Sep - Wed, 17 Sep
American Airlines Logo
4:36 p.m. - 5:37 p.m.BUF-ORD
2h 01mdirect
American Airlines Logo
1:10 p.m. - 3:46 p.m.ORD-BUF
1h 36mdirect
C$ 229American Airlines
Find Deal
Wed, 3 Sep - Thu, 4 Sep
United Airlines Logo
8:20 a.m. - 9:16 a.m.BUF-ORD
1h 56mdirect
United Airlines Logo
7:10 a.m. - 9:53 a.m.ORD-BUF
1h 43mdirect
C$ 244United Airlines
Find Deal
Sat, 18 Oct - Mon, 20 Oct
American Airlines Logo
7:30 a.m. - 8:25 a.m.BUF-ORD
1h 55mdirect
American Airlines Logo
7:09 p.m. - 9:51 p.m.ORD-BUF
1h 42mdirect
C$ 245American Airlines
Find Deal
Sun, 14 Sep - Tue, 16 Sep
Southwest Logo
8:30 a.m. - 12:45 p.m.BUF-ORD
5h 15m1 stop
Southwest Logo
1:50 p.m. - 10:10 p.m.ORD-BUF
7h 20m1 stop
C$ 256Southwest
Find Deal
Mon, 15 Sep - Tue, 16 Sep
Delta Logo
12:45 p.m. - 4:13 p.m.BUF-ORD
4h 28m1 stop
Delta Logo
5:45 p.m. - 10:59 p.m.ORD-BUF
4h 14m1 stop
C$ 257Delta
Find Deal
Wed, 3 Sep - Sat, 6 Sep
Delta Logo
6:20 a.m. - 10:20 a.m.BUF-ORD
5h 00m1 stop
Delta Logo
5:45 p.m. - 10:59 p.m.ORD-BUF
4h 14m1 stop
C$ 271Delta
Find Deal
Thu, 4 Sep - Sat, 6 Sep
JetBlue Logo
3:55 p.m. - 8:48 p.m.BUF-ORD
5h 53m1 stop
JetBlue Logo
9:51 a.m. - 5:03 p.m.ORD-BUF
6h 12m1 stop
C$ 285JetBlue
Find Deal
Fri, 19 Sep - Mon, 22 Sep
JetBlue Logo
6:00 a.m. - 12:10 p.m.BUF-ORD
7h 10m1 stop
JetBlue Logo
6:45 a.m. - 3:00 p.m.ORD-BUF
7h 15m1 stop
C$ 286JetBlue
Find Deal
Wed, 3 Sep - Fri, 5 Sep
Southwest Logo
7:10 a.m. - 12:45 p.m.BUF-ORD
6h 35m2 stops
Southwest Logo
1:50 p.m. - 8:45 p.m.ORD-BUF
5h 55m1 stop
C$ 304Southwest
Find Deal
Wed, 8 Oct - Thu, 9 Oct

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

Our best American Airlines deals on Buffalo to Chicago O'Hare Intl Airport flight tickets
American Airlines
3 Sep
BUF4:36 p.m.Buffalo
2h 01m
ORD5:37 p.m.Chicago O'Hare Intl
4 Sep
ORD1:10 p.m.Chicago O'Hare Intl
1h 36m
BUF3:46 p.m.Buffalo
C$ 229
Find similar
American Airlines
14 Sep
BUF7:30 a.m.Buffalo
1h 55m
ORD8:25 a.m.Chicago O'Hare Intl
16 Sep
ORD7:09 p.m.Chicago O'Hare Intl
1h 42m
BUF9:51 p.m.Buffalo
C$ 245
Find similar
American Airlines
26 Sep
BUF7:35 a.m.Buffalo
1h 55m
ORD8:30 a.m.Chicago O'Hare Intl
28 Sep
ORD8:33 a.m.Chicago O'Hare Intl
1h 33m
BUF11:06 a.m.Buffalo
C$ 275
Find similar

Delta flights from Buffalo to Chicago O'Hare Intl Airport

Our best Delta deals on Buffalo to Chicago O'Hare Intl Airport flight tickets
Delta
3 Sep
BUF12:45 p.m.Buffalo
4h 28m
1 stop
ORD4:13 p.m.Chicago O'Hare Intl
6 Sep
ORD5:45 p.m.Chicago O'Hare Intl
4h 14m
1 stop
BUF10:59 p.m.Buffalo
C$ 257
Find similar
Delta
4 Sep
BUF6:20 a.m.Buffalo
5h 00m
1 stop
ORD10:20 a.m.Chicago O'Hare Intl
6 Sep
ORD5:45 p.m.Chicago O'Hare Intl
4h 14m
1 stop
BUF10:59 p.m.Buffalo
C$ 271
Find similar
Delta
12 Sep
BUF7:08 p.m.Buffalo
5h 46m
1 stop
ORD11:54 p.m.Chicago O'Hare Intl
14 Sep
ORD6:50 p.m.Chicago O'Hare Intl
3h 26m
1 stop
BUF11:16 p.m.Buffalo
C$ 301
Find similar

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 14 August 2025.
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

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Wed 10/9

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

Nonstop1h 56m

Chicago O'Hare Intl

Wed 17/9

7:10 a.m.-9:53 a.m.

Nonstop1h 43m

C$ 213

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Wed 3/9

4:36 p.m.-5:37 p.m.

Nonstop2h 01m

Chicago O'Hare Intl

Thu 4/9

1:10 p.m.-3:46 p.m.

Nonstop1h 36m

C$ 229

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Sat 18/10

8:20 a.m.-9:16 a.m.

Nonstop1h 56m

Chicago O'Hare Intl

Mon 20/10

7:10 a.m.-9:53 a.m.

Nonstop1h 43m

C$ 244

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Sun 14/9

7:30 a.m.-8:25 a.m.

Nonstop1h 55m

Chicago O'Hare Intl

Tue 16/9

7:09 p.m.-9:51 p.m.

Nonstop1h 42m

C$ 245

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Mon 15/9

8:30 a.m.-12:45 p.m.

1 stop5h 15m

Chicago O'Hare Intl

Tue 16/9

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

1 stop7h 20m

C$ 256

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Wed 3/9

12:45 p.m.-4:13 p.m.

1 stop4h 28m

Chicago O'Hare Intl

Sat 6/9

5:45 p.m.-10:59 p.m.

1 stop4h 14m

C$ 257

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Thu 4/9

6:20 a.m.-10:20 a.m.

1 stop5h 00m

Chicago O'Hare Intl

Sat 6/9

5:45 p.m.-10:59 p.m.

1 stop4h 14m

C$ 271

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Fri 19/9

3:55 p.m.-8:48 p.m.

1 stop5h 53m

Chicago O'Hare Intl

Mon 22/9

9:51 a.m.-5:03 p.m.

1 stop6h 12m

C$ 285

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Wed 3/9

6:00 a.m.-12:10 p.m.

1 stop7h 10m

Chicago O'Hare Intl

Fri 5/9

6:45 a.m.-3:00 p.m.

1 stop7h 15m

C$ 286

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Wed 8/10

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

2 stops6h 35m

Chicago O'Hare Intl

Thu 9/10

1:50 p.m.-8:45 p.m.

1 stop5h 55m

C$ 304

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 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 cheapest month to fly to Chicago O'Hare Intl Airport?

In general, September 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$ 379. 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$ 391.

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$ 636. This is often the case because there is less demand to fly during this day of the week. When flying out on a Tuesday, 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$ 861.

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$ 673. 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$ 935 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 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$ 471 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$ 310 on momondo.

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

There are 4 cabin classes available to choose from on Buffalo to Chicago O'Hare Intl 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 45% 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 August 2025, prices for Buffalo to Chicago O'Hare Intl Airport flights are approximately 15% cheaper 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$ 107

Fastest flight time

1h 48m

Direct flights

Every day
The best one-way flight to Chicago O'Hare Intl Airport from Buffalo in the past 72 hours is C$ 107. The best round-trip flight deal from Buffalo to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is C$ 213.
The fastest flight from Buffalo to Chicago O'Hare Intl Airport takes 1h 48m
Direct flights go from Buffalo to Chicago O'Hare Intl Airport every day.
Search flight deals

  • 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 48m.

  • 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$ 331Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom C$ 386Free CancellationRating
7.4
8,916 reviews
Search United Airlines flights

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

    United Airlines operates around 19 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$ 409, but momondo users have found United Airlines deals from Buffalo to Chicago O'Hare Intl Airport from as low as C$ 280 round-trip. United Airlines has been scored 7.4/10 in 8,916 reviews.

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

    American Airlines (7.2/10 from 10,000 reviews) operates around 5 flights from Buffalo to Chicago O'Hare Intl Airport in any given week. The average American Airlines airfare for this route is around C$ 327, with deals from around C$ 240 rare but found on momondo. Referenced prices are for round-trip Buffalo to Chicago O'Hare Intl Airport flight searches in the last 72 hours.

Travelling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Hoffman Estates
Lisle
Tinley Park
Glenview
Hammond
Naperville
Great Lakes
Wheeling
Munster
Des Plaines
Benton Harbor
Schaumburg
Harvard
Merrillville
Oak Brook
Elmhurst
Elk Grove Village
Kenosha
Bridgeview
Skokie

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.

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