Cheap flights from Buffalo to Chicago from $104

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.
Frontier Logo
9:38 pm - 12:55 amBUF  Buffalo-ORD Chicago O'Hare Intl
28h 17m1 stop Orlando
Frontier Logo
5:01 am - 8:43 pmORD  Chicago O'Hare Intl-BUF Buffalo
14h 42m1 stop Orlando
$198Frontier
Sat, Feb 27 - Tue, Mar 2
Frontier Logo
2:30 pm - 1:08 amBUF  Buffalo-ORD Chicago O'Hare Intl
11h 38m1 stop Orlando
Frontier Logo
5:24 pm - 5:40 pmORD  Chicago O'Hare Intl-BUF Buffalo
23h 16m1 stop Orlando
$217Frontier
Mon, Dec 14 - Wed, Dec 16
Frontier Logo
1:15 pm - 2:30 pmBUF  Buffalo-ORD Chicago O'Hare Intl
26h 15m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
4:00 pm - 12:20 pmORD  Chicago O'Hare Intl-BUF Buffalo
19h 20m1 stop Atlanta Hartsfield-Jackson
$227Frontier
Fri, Dec 11 - Tue, Dec 15
Frontier Logo
1:15 pm - 9:29 pmBUF  Buffalo-ORD Chicago O'Hare Intl
9h 14m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
5:24 pm - 5:40 pmORD  Chicago O'Hare Intl-BUF Buffalo
23h 16m1 stop Orlando
$231Frontier
Fri, Dec 11 - Wed, Dec 16
American Airlines Logo
6:03 am - 7:15 amBUF  Buffalo-ORD Chicago O'Hare Intl
2h 12mnonstop
American Airlines Logo
8:00 am - 10:51 amORD  Chicago O'Hare Intl-BUF Buffalo
1h 51mnonstop
$317American Airlines
Sat, Feb 27 - Tue, Mar 2
American Airlines Logo
6:25 am - 8:00 amBUF  Buffalo-ORD Chicago O'Hare Intl
2h 35mnonstop
American Airlines Logo
7:23 am - 10:17 amORD  Chicago O'Hare Intl-BUF Buffalo
1h 54mnonstop
$317American Airlines
Tue, Dec 22 - Fri, Dec 25
United Airlines Logo
6:30 am - 7:44 amBUF  Buffalo-ORD Chicago O'Hare Intl
2h 14mnonstop
United Airlines Logo
10:29 am - 1:17 pmORD  Chicago O'Hare Intl-BUF Buffalo
1h 48mnonstop
$317United Airlines
Mon, Dec 14 - Wed, Dec 16
United Airlines Logo
5:40 pm - 6:54 pmBUF  Buffalo-ORD Chicago O'Hare Intl
2h 14mnonstop
United Airlines Logo
6:55 am - 9:44 amORD  Chicago O'Hare Intl-BUF Buffalo
1h 49mnonstop
$317United Airlines
Sat, Dec 12 - Mon, Dec 14
American Airlines Logo
6:00 am - 7:19 amBUF  Buffalo-ORD Chicago O'Hare Intl
2h 19mnonstop
American Airlines Logo
8:49 pm - 11:33 pmORD  Chicago O'Hare Intl-BUF Buffalo
1h 44mnonstop
$317American Airlines
Thu, Jan 7 - Sat, Jan 9
United Airlines Logo
6:30 am - 7:44 amBUF  Buffalo-ORD Chicago O'Hare Intl
2h 14mnonstop
United Airlines Logo
6:55 am - 9:44 amORD  Chicago O'Hare Intl-BUF Buffalo
1h 49mnonstop
$339United Airlines
Sat, Dec 5 - Sat, Dec 12

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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
Dec 14
BUF2:30 pmBuffalo
11h 38m
1 stop
ORD1:08 amChicago O'Hare Intl
Dec 16
ORD5:24 pmChicago O'Hare Intl
23h 16m
1 stop
BUF5:40 pmBuffalo
$217
Frontier
Dec 11
BUF1:15 pmBuffalo
9h 14m
1 stop
ORD9:29 pmChicago O'Hare Intl
Dec 16
ORD5:24 pmChicago O'Hare Intl
23h 16m
1 stop
BUF5:40 pmBuffalo
$231
Frontier
Dec 11
BUF1:15 pmBuffalo
9h 14m
1 stop
ORD9:29 pmChicago O'Hare Intl
Dec 15
ORD4:00 pmChicago O'Hare Intl
19h 20m
1 stop
BUF12:20 pmBuffalo
$238

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
Dec 4
BUF7:53 amBuffalo
2h 12m
ORD9:05 amChicago O'Hare Intl
Dec 7
ORD4:52 pmChicago O'Hare Intl
5h 19m
1 stop
BUF11:11 pmBuffalo
$327
American Airlines
Dec 18
BUF6:24 amBuffalo
2h 35m
ORD7:59 amChicago O'Hare Intl
Dec 20
ORD2:45 pmChicago O'Hare Intl
6h 22m
1 stop
BUF10:07 pmBuffalo
$338
American Airlines
Dec 1
BUF7:52 amBuffalo
2h 11m
ORD9:03 amChicago O'Hare Intl
Dec 2
ORD7:05 pmChicago O'Hare Intl
1h 50m
BUF9:55 pmBuffalo
$339

momondo Fare Finder

 
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 Buffalo - ORD Chicago O'Hare Intl

BUFORD

Buffalo

Sat 2/27

9:38 pm-12:55 am

1 stop28h 17m

Chicago O'Hare Intl

Tue 3/2

5:01 am-8:43 pm

1 stop14h 42m

$198

BuffaloChicago

BUF Buffalo - ORD Chicago O'Hare Intl

BUFORD

Buffalo

Mon 12/14

2:30 pm-1:08 am

1 stop11h 38m

Chicago O'Hare Intl

Wed 12/16

5:24 pm-5:40 pm

1 stop23h 16m

$217

BuffaloChicago

BUF Buffalo - ORD Chicago O'Hare Intl

BUFORD

Buffalo

Fri 12/11

1:15 pm-2:30 pm

1 stop26h 15m

Chicago O'Hare Intl

Tue 12/15

4:00 pm-12:20 pm

1 stop19h 20m

$227

BuffaloChicago

BUF Buffalo - ORD Chicago O'Hare Intl

BUFORD

Buffalo

Fri 12/11

1:15 pm-9:29 pm

1 stop9h 14m

Chicago O'Hare Intl

Wed 12/16

5:24 pm-5:40 pm

1 stop23h 16m

$231

BuffaloChicago

BUF Buffalo - ORD Chicago O'Hare Intl

BUFORD

Buffalo

Sat 2/27

6:03 am-7:15 am

Nonstop2h 12m

Chicago O'Hare Intl

Tue 3/2

8:00 am-10:51 am

Nonstop1h 51m

$317

BuffaloChicago

BUF Buffalo - ORD Chicago O'Hare Intl

BUFORD

Buffalo

Tue 12/22

6:25 am-8:00 am

Nonstop2h 35m

Chicago O'Hare Intl

Fri 12/25

7:23 am-10:17 am

Nonstop1h 54m

$317
Quickest round-trip

BuffaloChicago

BUF Buffalo - ORD Chicago O'Hare Intl

BUFORD

Buffalo

Mon 12/14

6:30 am-7:44 am

Nonstop2h 14m

Chicago O'Hare Intl

Wed 12/16

10:29 am-1:17 pm

Nonstop1h 48m

$317

BuffaloChicago

BUF Buffalo - ORD Chicago O'Hare Intl

BUFORD

Buffalo

Sat 12/12

5:40 pm-6:54 pm

Nonstop2h 14m

Chicago O'Hare Intl

Mon 12/14

6:55 am-9:44 am

Nonstop1h 49m

$317

BuffaloChicago

BUF Buffalo - ORD Chicago O'Hare Intl

BUFORD

Buffalo

Thu 1/7

6:00 am-7:19 am

Nonstop2h 19m

Chicago O'Hare Intl

Sat 1/9

8:49 pm-11:33 pm

Nonstop1h 44m

$317

BuffaloChicago

BUF Buffalo - ORD Chicago O'Hare Intl

BUFORD

Buffalo

Sat 12/5

6:30 am-7:44 am

Nonstop2h 14m

Chicago O'Hare Intl

Sat 12/12

6:55 am-9:44 am

Nonstop1h 49m

$339

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 typical price of a round-trip flight between Buffalo and Chicago O'Hare Intl Airport?

Prices are currently low for flights on this route.

Typical prices usually range from $422 to $600.
The lowest price recently found on this route was $198.

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

The month of February is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Buffalo averaging around $325.

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 Wednesday when prices can be found for as low as $453. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Buffalo because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $593.

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

Flying to Chicago O'Hare Intl Airport from Buffalo in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $462 when looking at flights departing in the afternoon. Try not to purchase tickets at noon because they tend to be around $692. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 $365 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 $223 on momondo.

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

There are 4 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 36% 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 November 2026, prices for Buffalo to Chicago O'Hare Intl Airport flights are approximately 125% 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

$104

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 $104. The best round-trip flight deal from Buffalo to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $198.
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.

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

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

    The straight-line distance from Buffalo to Chicago O'Hare Intl is 464.0 mi. 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 are updated 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 for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for 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 necessary travel and health documents for your Chicago O'Hare Intl Airport 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 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 $177Free CancellationRating
7.0
12,225 reviews
Search American Airlines flights
United AirlinesPriceFrom $235Free CancellationRating
7.3
10,475 reviews
Search United Airlines flights
  • United Airlines Flights From Buffalo to Chicago O'Hare Intl Airport

    Across 22 United Airlines flights from Buffalo to Chicago O'Hare Intl Airport this week, the average price was $372, with the best United Airlines deals starting from $235 round-trip. 10,475 users have rated United Airlines on momondo, with an average score of 7.3/10.

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

    American Airlines is also a popular choice for this route. American Airlines flight deals for Buffalo to Chicago O'Hare Intl Airport start from as low as $177 round-trip, depending on your selected dates, with average American Airlines deals seen on momondo around $376. American Airlines operates 19 flights to Chicago O'Hare Intl Airport from Buffalo in an average week. Users have rated it 7.0/10 across 12,225 reviews.

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Lake Geneva
Schaumburg
Merrillville
Rockford
South Haven
Oak Brook
Rosemont
Gurnee
Orland Park
Joliet
Naperville
New Buffalo
Kenosha
Hammond
Aurora
Racine
Elgin
Janesville
Skokie
Waukegan

Why use momondo?

Why should I use momondo to find a flight deal from Buffalo to Chicago?

Finding the right flight to Chicago from Buffalo is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Chicago quick and easy, saving you time and money.

Can I find flights from Buffalo to Chicago with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Buffalo to Chicago flights to just show those with flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Chicago from Buffalo. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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.

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Wed 12/9
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