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Cheap flights from Buffalo to Chicago O'Hare Intl Airport from C$ 135

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 O'Hare Intl Airport departing on 25/3. 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

Cheap round-trip flights

These are some of the best round-trip flight deals from Buffalo to Chicago that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Buffalo to Chicago.

Cheap last-minute flights

Planning a quick getaway from Buffalo to Chicago? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Chicago, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Buffalo to Chicago

Find recent round-trip train or bus tickets from Buffalo to Chicago.

All round-trip flight deals from Buffalo to Chicago

The cheapest plane tickets from Buffalo to Chicago found on KAYAK recently.
6:44 p.m. - 1:20 p.m.BUF-ORD
19h 36m1 stop
7:18 p.m. - 10:24 a.m.ORD-BUF
14h 06m1 stop
C$ 201Frontier
Find Deal
Wed, 19 Feb - Wed, 26 Feb
11:32 a.m. - 4:45 p.m.BUF-ORD
6h 13m1 stop
5:40 p.m. - 11:43 p.m.ORD-BUF
5h 03m1 stop
C$ 268JetBlue
Find Deal
Thu, 20 Feb - Mon, 24 Feb
11:40 a.m. - 7:11 p.m.BUF-ORD
8h 31m1 stop
8:10 p.m. - 10:44 a.m.ORD-BUF
13h 34m1 stop
C$ 380Sun Country Air
Find Deal
Fri, 11 Jul - Sun, 13 Jul
11:40 a.m. - 7:11 p.m.BUF-ORD
8h 31m1 stop
8:10 p.m. - 10:44 a.m.ORD-BUF
13h 34m1 stop
C$ 395Sun Country Air
Find Deal
Mon, 7 Jul - Sun, 13 Jul
2:00 p.m. - 2:54 p.m.BUF-ORD
1h 54mdirect
6:29 p.m. - 9:09 p.m.ORD-BUF
1h 40mdirect
C$ 398United Airlines
Find Deal
Wed, 12 Mar - Tue, 18 Mar
6:08 a.m. - 1:44 p.m.BUF-ORD
8h 36m1 stop
10:05 a.m. - 12:42 p.m.ORD-BUF
1h 37mdirect
C$ 403American Airlines
Find Deal
Wed, 19 Feb - Wed, 26 Feb
7:00 a.m. - 12:01 p.m.BUF-ORD
6h 01m1 stop
6:00 a.m. - 1:35 p.m.ORD-BUF
6h 35m1 stop
C$ 419Delta
Find Deal
Mon, 17 Feb - Thu, 20 Feb
6:22 a.m. - 9:16 a.m.BUF-ORD
3h 54m1 stop
6:00 a.m. - 10:44 p.m.ORD-BUF
15h 44m1 stop
C$ 438Delta
Find Deal
Fri, 14 Feb - Mon, 17 Feb
4:58 p.m. - 5:50 p.m.BUF-ORD
1h 52mdirect
6:20 p.m. - 9:01 p.m.ORD-BUF
1h 41mdirect
C$ 442American Airlines
Find Deal
Sat, 17 May - Mon, 19 May
1:55 p.m. - 2:55 p.m.BUF-ORD
2h 00mdirect
2:12 p.m. - 4:55 p.m.ORD-BUF
1h 43mdirect
C$ 449United Airlines
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Wed, 2 Apr - Sun, 6 Apr
12:15 p.m. - 4:30 p.m.BUF-ORD
5h 15m1 stop
C$ 135JetBlue
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Tue, 25 Mar
11:30 a.m. - 4:05 p.m.BUF-ORD
5h 35m1 stop
C$ 172JetBlue
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Sat, 8 Mar
11:40 a.m. - 7:11 p.m.BUF-ORD
8h 31m1 stop
C$ 198Sun Country Air
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Mon, 21 Jul
7:00 a.m. - 7:58 a.m.BUF-ORD
1h 58mdirect
C$ 199United Airlines
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Thu, 10 Apr
7:45 a.m. - 8:42 a.m.BUF-ORD
1h 57mdirect
C$ 201American Airlines
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Tue, 25 Mar
6:00 a.m. - 4:17 p.m.BUF-ORD
11h 17m1 stop
C$ 211Delta
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Sat, 22 Feb
12:50 p.m. - 7:09 p.m.BUF-ORD
7h 19m1 stop
C$ 212Sun Country Air
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Sun, 1 Jun
9:00 a.m. - 12:41 p.m.BUF-ORD
4h 41m1 stop
C$ 214Delta
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Thu, 20 Mar
7:05 a.m. - 12:27 p.m.BUF-ORD
6h 22m1 stop
C$ 215JetBlue
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Sat, 19 Apr
10:54 a.m. - 11:54 a.m.BUF-ORD
2h 00mdirect
C$ 238United Airlines
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Fri, 11 Apr
5:40 p.m. - 6:49 p.m.BUF-ORD
2h 09mdirect
10:35 a.m. - 1:19 p.m.ORD-BUF
1h 44mdirect
C$ 960United Airlines
Find Deal
Sat, 25 Jan - Mon, 27 Jan
5:40 p.m. - 6:49 p.m.BUF-ORD
2h 09mdirect
6:08 p.m. - 11:31 p.m.ORD-BUF
4h 23m1 stop
C$ 974United Airlines
Find Deal
Sat, 25 Jan - Mon, 27 Jan
7:00 a.m. - 1:23 p.m.BUF-ORD
7h 23m1 stop
7:05 a.m. - 3:19 p.m.ORD-BUF
7h 14m1 stop
C$ 989Delta
Find Deal
Fri, 24 Jan - Mon, 27 Jan
5:35 a.m. - 3:20 p.m.BUF-ORD
10h 45m2 stops
7:00 a.m. - 3:20 p.m.ORD-BUF
7h 20m1 stop
C$ 996Southwest
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Sat, 25 Jan - Mon, 27 Jan
5:35 a.m. - 3:20 p.m.BUF-ORD
10h 45m2 stops
11:25 a.m. - 10:20 p.m.ORD-BUF
9h 55m2 stops
C$ 1,003Southwest
Find Deal
Sat, 25 Jan - Mon, 27 Jan
5:40 p.m. - 6:49 p.m.BUF-ORD
2h 09mdirect
2:10 p.m. - 4:53 p.m.ORD-BUF
1h 43mdirect
C$ 1,012United Airlines
Find Deal
Sat, 25 Jan - Mon, 27 Jan
2:00 p.m. - 2:54 p.m.BUF-ORD
1h 54mdirect
6:29 p.m. - 9:09 p.m.ORD-BUF
1h 40mdirect
C$ 398United Airlines
Find Deal
Wed, 12 Mar - Tue, 18 Mar
7:00 a.m. - 8:02 a.m.BUF-ORD
2h 02mdirect
2:20 p.m. - 4:55 p.m.ORD-BUF
1h 35mdirect
C$ 419United Airlines
Find Deal
Fri, 7 Mar - Mon, 10 Mar
4:58 p.m. - 5:50 p.m.BUF-ORD
1h 52mdirect
6:20 p.m. - 9:01 p.m.ORD-BUF
1h 41mdirect
C$ 442American Airlines
Find Deal
Sat, 17 May - Mon, 19 May
11:19 a.m. - 12:16 p.m.BUF-ORD
1h 57mdirect
1:47 p.m. - 4:15 p.m.ORD-BUF
1h 28mdirect
C$ 443American Airlines
Find Deal
Fri, 28 Mar - Sat, 29 Mar
1:55 p.m. - 2:55 p.m.BUF-ORD
2h 00mdirect
2:12 p.m. - 4:55 p.m.ORD-BUF
1h 43mdirect
C$ 449United Airlines
Find Deal
Wed, 2 Apr - Sun, 6 Apr
7:00 a.m. - 8:01 a.m.BUF-ORD
2h 01mdirect
6:15 p.m. - 8:55 p.m.ORD-BUF
1h 40mdirect
C$ 471United Airlines
Find Deal
Fri, 28 Feb - Sun, 2 Mar
6:46 a.m. - 7:47 a.m.BUF-ORD
2h 01mdirect
2:05 p.m. - 4:40 p.m.ORD-BUF
1h 35mdirect
C$ 484United Airlines
Find Deal
Thu, 13 Feb - Mon, 17 Feb
5:40 p.m. - 6:49 p.m.BUF-ORD
2h 09mdirect
2:05 p.m. - 4:40 p.m.ORD-BUF
1h 35mdirect
C$ 485United Airlines
Find Deal
Wed, 12 Feb - Mon, 17 Feb
7:00 a.m. - 8:03 a.m.BUF-ORD
2h 03mdirect
2:10 p.m. - 4:53 p.m.ORD-BUF
1h 43mdirect
C$ 491United Airlines
Find Deal
Mon, 10 Feb - Wed, 12 Feb
3:10 p.m. - 4:02 p.m.BUF-ORD
1h 52mdirect
8:15 p.m. - 10:47 p.m.ORD-BUF
1h 32mdirect
C$ 532American Airlines
Find Deal
Thu, 12 Jun - Sun, 15 Jun

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
19 Feb
BUF6:44 p.m.Buffalo
19h 36m
1 stop
ORD1:20 p.m.Chicago O'Hare Intl
26 Feb
ORD7:18 p.m.Chicago O'Hare Intl
14h 06m
1 stop
BUF10:24 a.m.Buffalo
Frontier
17 May
BUF9:51 a.m.Buffalo
14h 41m
1 stop
ORD11:32 p.m.Chicago O'Hare Intl
19 May
ORD4:20 p.m.Chicago O'Hare Intl
15h 41m
1 stop
BUF9:01 a.m.Buffalo
Frontier
17 May
BUF9:51 a.m.Buffalo
14h 41m
1 stop
ORD11:32 p.m.Chicago O'Hare Intl
19 May
ORD6:30 a.m.Chicago O'Hare Intl
11h 57m
1 stop
BUF7:27 p.m.Buffalo

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
20 Feb
BUF11:32 a.m.Buffalo
6h 13m
1 stop
ORD4:45 p.m.Chicago O'Hare Intl
24 Feb
ORD5:40 p.m.Chicago O'Hare Intl
5h 03m
1 stop
BUF11:43 p.m.Buffalo
JetBlue
25 Mar
BUF12:15 p.m.Buffalo
5h 15m
1 stop
ORD4:30 p.m.Chicago O'Hare Intl
27 Mar
ORD11:44 a.m.Chicago O'Hare Intl
5h 24m
1 stop
BUF6:08 p.m.Buffalo
JetBlue
10 Jun
BUF3:05 p.m.Buffalo
8h 15m
1 stop
ORD10:20 p.m.Chicago O'Hare Intl
14 Jun
ORD6:00 a.m.Chicago O'Hare Intl
4h 42m
1 stop
BUF11:42 a.m.Buffalo

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$ 400. The month of January is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Buffalo averaging around C$ 409.

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$ 670. 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$ 908.

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

In the evening 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$ 0. Flying to Chicago O'Hare Intl Airport in the evening 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$ 912 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 21 weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around C$ 465 when searching 21 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$ 251 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.

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

As of January 2025, prices for Buffalo to Chicago O'Hare Intl Airport flights are approximately 15% 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$ 135

Fastest flight time

1h 52m

Direct flights

Every day
The best one-way flight to Chicago O'Hare Intl Airport from Buffalo in the past 72 hours is C$ 135. The best round-trip flight deal from Buffalo to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is C$ 201.
The fastest flight from Buffalo to Chicago O'Hare Intl Airport takes 1h 52m
Direct flights go from Buffalo to Chicago O'Hare Intl Airport every day.

  • 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 52m.

  • 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
FrontierPriceFrom C$ 139Free CancellationRating
6.0
3,441 reviews
Search Frontier flights
American AirlinesPriceFrom C$ 268Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom C$ 314Free CancellationRating
7.4
8,970 reviews
Search United Airlines flights
  • United Airlines Flights From Buffalo to Chicago O'Hare Intl Airport

    United Airlines operates around 16 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$ 357, but momondo users have found United Airlines deals from Buffalo to Chicago O'Hare Intl Airport from as low as C$ 219 round-trip. United Airlines has been scored 7.4/10 in 8,975 reviews.

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

    American Airlines (7.2/10 from 10,000 reviews) operates around 14 flights from Buffalo to Chicago O'Hare Intl Airport in any given week. The average American Airlines airfare for this route is around C$ 297, with deals from around C$ 187 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
Lisle
Naperville
Elk Grove Village
Wheeling
Skokie
Rosemont
Glenview
Great Lakes
Des Plaines
Benton Harbor
Elmhurst
Merrillville
Harvard
Oak Brook
Schaumburg
Bridgeview
Rockford

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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