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Cheap flights from Buffalo to Chicago from C$ 88

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 13/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Cheap round-trip flights

Enter your travel dates to find the best prices.
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$ 178Frontier
Mon, 2 Feb - Thu, 5 Feb
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$ 180Frontier
Mon, 2 Feb - Thu, 5 Feb
Delta Logo
5:44 p.m. - 9:05 p.m.
BUF
-
ORD
4h 21m1 stop
Delta Logo
10:45 a.m. - 4:55 p.m.
ORD
-
BUF
5h 10m1 stop
C$ 235Delta
Wed, 7 Jan - Fri, 9 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$ 236JetBlue
Wed, 7 Jan - Fri, 9 Jan
JetBlue Logo
10:00 a.m. - 5:43 p.m.
BUF
-
ORD
8h 43m1 stop
JetBlue Logo
6:45 a.m. - 2:30 p.m.
ORD
-
BUF
6h 45m1 stop
C$ 254JetBlue
Thu, 8 Jan - Mon, 12 Jan
JetBlue Logo
3:00 p.m. - 11:10 p.m.
BUF
-
ORD
9h 10m1 stop
JetBlue Logo
6:04 a.m. - 2:02 p.m.
ORD
-
BUF
6h 58m1 stop
C$ 256JetBlue
Wed, 18 Feb - Sun, 22 Feb
United Airlines Logo
10:45 a.m. - 11:52 a.m.
BUF
-
ORD
2h 07mdirect
United Airlines Logo
5:50 p.m. - 8:29 p.m.
ORD
-
BUF
1h 39mdirect
C$ 279United Airlines
Tue, 20 Jan - Thu, 22 Jan
American Airlines Logo
11:21 a.m. - 12:36 p.m.
BUF
-
ORD
2h 15mdirect
American Airlines Logo
1:54 p.m. - 4:35 p.m.
ORD
-
BUF
1h 41mdirect
C$ 309American Airlines
Tue, 20 Jan - Tue, 10 Feb
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$ 311JetBlue
Tue, 20 Jan - Tue, 10 Feb
Delta Logo
5:45 p.m. - 10:34 p.m.
BUF
-
ORD
5h 49m1 stop
Delta Logo
6:00 a.m. - 2:10 p.m.
ORD
-
BUF
7h 10m1 stop
C$ 312Delta
Tue, 20 Jan - Thu, 22 Jan

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
20 Jan
BUF10:45 a.m.Buffalo
2h 07m
ORD11:52 a.m.Chicago O'Hare Intl
22 Jan
ORD5:50 p.m.Chicago O'Hare Intl
1h 39m
BUF8:29 p.m.Buffalo
C$ 279
Find similar
United Airlines
2 Feb
BUF8:30 a.m.Buffalo
2h 07m
ORD9:37 a.m.Chicago O'Hare Intl
5 Feb
ORD5:50 p.m.Chicago O'Hare Intl
1h 39m
BUF8:29 p.m.Buffalo
C$ 347
Find similar
United Airlines
2 Feb
BUF8:30 a.m.Buffalo
2h 07m
ORD9:37 a.m.Chicago O'Hare Intl
5 Feb
ORD5:50 p.m.Chicago O'Hare Intl
1h 39m
BUF8:29 p.m.Buffalo
C$ 348
Find similar

JetBlue flights from Buffalo to Chicago O'Hare Intl Airport

Our best JetBlue deals on Buffalo to Chicago O'Hare Intl Airport flight tickets
JetBlue
7 Jan
BUF10:00 a.m.Buffalo
8h 43m
1 stop
ORD5:43 p.m.Chicago O'Hare Intl
9 Jan
ORD7:45 a.m.Chicago O'Hare Intl
5h 45m
1 stop
BUF2:30 p.m.Buffalo
C$ 236
Find similar
JetBlue
8 Jan
BUF10:00 a.m.Buffalo
8h 43m
1 stop
ORD5:43 p.m.Chicago O'Hare Intl
12 Jan
ORD6:45 a.m.Chicago O'Hare Intl
6h 45m
1 stop
BUF2:30 p.m.Buffalo
C$ 254
Find similar
JetBlue
18 Feb
BUF3:00 p.m.Buffalo
9h 10m
1 stop
ORD11:10 p.m.Chicago O'Hare Intl
22 Feb
ORD6:04 a.m.Chicago O'Hare Intl
6h 58m
1 stop
BUF2:02 p.m.Buffalo
C$ 256
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 7 December 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

Mon 2/2

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

1 stop10h 07m

Chicago O'Hare Intl

Thu 5/2

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

1 stop6h 04m

C$ 178

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Mon 2/2

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

1 stop10h 07m

Chicago O'Hare Intl

Thu 5/2

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

1 stop6h 04m

C$ 180

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Wed 7/1

5:44 p.m.-9:05 p.m.

1 stop4h 21m

Chicago O'Hare Intl

Fri 9/1

10:45 a.m.-4:55 p.m.

1 stop5h 10m

C$ 235

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$ 236

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Thu 8/1

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

1 stop8h 43m

Chicago O'Hare Intl

Mon 12/1

6:45 a.m.-2:30 p.m.

1 stop6h 45m

C$ 254

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Wed 18/2

3:00 p.m.-11:10 p.m.

1 stop9h 10m

Chicago O'Hare Intl

Sun 22/2

6:04 a.m.-2:02 p.m.

1 stop6h 58m

C$ 256

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Tue 20/1

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

Nonstop2h 07m

Chicago O'Hare Intl

Thu 22/1

5:50 p.m.-8:29 p.m.

Nonstop1h 39m

C$ 279

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Tue 20/1

11:21 a.m.-12:36 p.m.

Nonstop2h 15m

Chicago O'Hare Intl

Tue 10/2

1:54 p.m.-4:35 p.m.

Nonstop1h 41m

C$ 309

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Tue 20/1

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

1 stop8h 18m

Chicago O'Hare Intl

Tue 10/2

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

1 stop5h 45m

C$ 311

BuffaloChicago

BUF - ORD

BUFORD

Buffalo

Tue 20/1

5:45 p.m.-10:34 p.m.

1 stop5h 49m

Chicago O'Hare Intl

Thu 22/1

6:00 a.m.-2:10 p.m.

1 stop7h 10m

C$ 312

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, August 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$ 376. The month of September is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Buffalo averaging around C$ 394.

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$ 651. This is often the case because there is less demand to fly during this day of the week. When flying out on a Wednesday, 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$ 1,231.

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$ 684. 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$ 1,284 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$ 463 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 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 60% 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 December 2025, prices for Buffalo to Chicago O'Hare Intl Airport flights are approximately 8% 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$ 202

Fastest flight time

2h 07m

Direct flights

Every day
The best one-way flight to Chicago O'Hare Intl Airport from Buffalo in the past 72 hours is C$ 202. The best round-trip flight deal from Buffalo to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is C$ 426.
The fastest flight from Buffalo to Chicago O'Hare Intl Airport takes 2h 07m
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 2h 03m.

  • 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
United AirlinesPriceFrom C$ 343Free CancellationRating
7.4
9,076 reviews
Search United Airlines flights
American AirlinesPriceFrom C$ 380Free CancellationRating
7.2
11,042 reviews
Search American Airlines flights

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

    United Airlines operates around 20 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$ 565, but momondo users have found United Airlines deals from Buffalo to Chicago O'Hare Intl Airport from as low as C$ 343 round-trip. United Airlines has been scored 7.4/10 in 9,076 reviews.

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

    American Airlines (7.2/10 from 11,042 reviews) operates around 19 flights from Buffalo to Chicago O'Hare Intl Airport in any given week. The average American Airlines airfare for this route is around C$ 460, with deals from around C$ 380 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
Schaumburg
Rosemont
Hoffman Estates
Northbrook
Tinley Park
Munster
Hammond
Harvey
Naperville
Glenview
Great Lakes
Wheeling
Elmhurst
Harvard
Merrillville
Elk Grove Village
Oak Brook
Kenosha
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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