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Cheap flights from Chicago O'Hare Intl Airport to Buffalo from $109

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Chicago O'Hare Intl Airport to Buffalo

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
5:16 pm - 8:43 pmORD  Chicago O'Hare Intl-BUF Buffalo
26h 27m1 stop Orlando
Frontier Logo
9:38 pm - 3:56 pmBUF  Buffalo-ORD Chicago O'Hare Intl
19h 18m1 stop Orlando
$218Frontier
Wed, Feb 10 - Wed, Feb 17
Frontier Logo
5:24 pm - 1:35 pmORD  Chicago O'Hare Intl-BUF Buffalo
19h 11m1 stop Orlando
Frontier Logo
2:30 pm - 3:30 pmBUF  Buffalo-ORD Chicago O'Hare Intl
26h 00m1 stop Orlando
$236Frontier
Thu, Dec 3 - Mon, Dec 7
Frontier Logo
5:35 am - 1:35 pmORD  Chicago O'Hare Intl-BUF Buffalo
7h 00m1 stop Orlando
Frontier Logo
1:15 pm - 10:00 pmBUF  Buffalo-ORD Chicago O'Hare Intl
9h 45m1 stop Atlanta Hartsfield-Jackson
$250Frontier
Fri, Dec 11 - Wed, Dec 16
American Airlines Logo
7:05 pm - 9:55 pmORD  Chicago O'Hare Intl-BUF Buffalo
1h 50mnonstop
American Airlines Logo
11:26 am - 12:58 pmBUF  Buffalo-ORD Chicago O'Hare Intl
2h 32mnonstop
$317American Airlines
Tue, Dec 8 - Tue, Dec 15
American Airlines Logo
7:05 pm - 9:55 pmORD  Chicago O'Hare Intl-BUF Buffalo
1h 50mnonstop
American Airlines Logo
11:26 am - 12:58 pmBUF  Buffalo-ORD Chicago O'Hare Intl
2h 32mnonstop
$317American Airlines
Thu, Dec 3 - Mon, Dec 7
American Airlines Logo
4:56 pm - 7:56 pmORD  Chicago O'Hare Intl-BUF Buffalo
2h 00mnonstop
American Airlines Logo
12:30 pm - 5:20 pmBUF  Buffalo-ORD Chicago O'Hare Intl
5h 50m1 stop Boston Logan Intl
$327American Airlines
Sat, Dec 19 - Mon, Dec 21
United Airlines Logo
6:55 am - 9:44 amORD  Chicago O'Hare Intl-BUF Buffalo
1h 49mnonstop
United Airlines Logo
6:30 am - 7:44 amBUF  Buffalo-ORD Chicago O'Hare Intl
2h 14mnonstop
$339United Airlines
Tue, Dec 1 - Wed, Dec 2
United Airlines Logo
2:05 pm - 4:57 pmORD  Chicago O'Hare Intl-BUF Buffalo
1h 52mnonstop
United Airlines Logo
10:30 am - 11:32 amBUF  Buffalo-ORD Chicago O'Hare Intl
2h 02mnonstop
$353United Airlines
Fri, Dec 11 - Sun, Dec 13
JetBlue Logo
2:55 pm - 10:49 pmORD  Chicago O'Hare Intl-BUF Buffalo
6h 54m1 stop Boston Logan Intl
JetBlue Logo
6:00 am - 1:59 pmBUF  Buffalo-ORD Chicago O'Hare Intl
8h 59m1 stop Boston Logan Intl
$626JetBlue
Mon, Mar 8 - Fri, Mar 12
JetBlue Logo
2:55 pm - 10:49 pmORD  Chicago O'Hare Intl-BUF Buffalo
6h 54m1 stop Boston Logan Intl
JetBlue Logo
6:00 am - 1:59 pmBUF  Buffalo-ORD Chicago O'Hare Intl
8h 59m1 stop Boston Logan Intl
$646JetBlue
Thu, Mar 11 - Fri, Mar 12

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Frontier flights from Chicago O'Hare Intl Airport to Buffalo

Our best Frontier deals on Chicago O'Hare Intl Airport to Buffalo flight tickets
Frontier
Feb 10
ORD5:16 pmChicago O'Hare Intl
26h 27m
1 stop
BUF8:43 pmBuffalo
Feb 17
BUF9:38 pmBuffalo
19h 18m
1 stop
ORD3:56 pmChicago O'Hare Intl
$218
Frontier
Dec 3
ORD5:24 pmChicago O'Hare Intl
19h 11m
1 stop
BUF1:35 pmBuffalo
Dec 7
BUF2:30 pmBuffalo
26h 00m
1 stop
ORD3:30 pmChicago O'Hare Intl
$236
Frontier
Dec 11
ORD5:35 amChicago O'Hare Intl
7h 00m
1 stop
BUF1:35 pmBuffalo
Dec 16
BUF1:15 pmBuffalo
9h 45m
1 stop
ORD10:00 pmChicago O'Hare Intl
$250

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

Our best American Airlines deals on Chicago O'Hare Intl Airport to Buffalo flight tickets
American Airlines
Dec 8
ORD7:05 pmChicago O'Hare Intl
1h 50m
BUF9:55 pmBuffalo
Dec 15
BUF11:26 amBuffalo
2h 32m
ORD12:58 pmChicago O'Hare Intl
$317
American Airlines
Dec 5
ORD6:59 pmChicago O'Hare Intl
1h 50m
BUF9:49 pmBuffalo
Dec 7
BUF7:53 amBuffalo
2h 12m
ORD9:05 amChicago O'Hare Intl
$352
American Airlines
Dec 5
ORD6:59 pmChicago O'Hare Intl
1h 50m
BUF9:49 pmBuffalo
Dec 7
BUF7:53 amBuffalo
2h 12m
ORD9:05 amChicago O'Hare Intl
$353

momondo Fare Finder

 
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Buffalo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoBuffalo

ORD Chicago O'Hare Intl - BUF Buffalo

ORDBUF

Chicago O'Hare Intl

Wed 2/10

5:16 pm-8:43 pm

1 stop26h 27m

Buffalo

Wed 2/17

9:38 pm-3:56 pm

1 stop19h 18m

$218

ChicagoBuffalo

ORD Chicago O'Hare Intl - BUF Buffalo

ORDBUF

Chicago O'Hare Intl

Thu 12/3

5:24 pm-1:35 pm

1 stop19h 11m

Buffalo

Mon 12/7

2:30 pm-3:30 pm

1 stop26h 00m

$236

ChicagoBuffalo

ORD Chicago O'Hare Intl - BUF Buffalo

ORDBUF

Chicago O'Hare Intl

Fri 12/11

5:35 am-1:35 pm

1 stop7h 00m

Buffalo

Wed 12/16

1:15 pm-10:00 pm

1 stop9h 45m

$250

ChicagoBuffalo

ORD Chicago O'Hare Intl - BUF Buffalo

ORDBUF

Chicago O'Hare Intl

Tue 12/8

7:05 pm-9:55 pm

Nonstop1h 50m

Buffalo

Tue 12/15

11:26 am-12:58 pm

Nonstop2h 32m

$317

ChicagoBuffalo

ORD Chicago O'Hare Intl - BUF Buffalo

ORDBUF

Chicago O'Hare Intl

Thu 12/3

7:05 pm-9:55 pm

Nonstop1h 50m

Buffalo

Mon 12/7

11:26 am-12:58 pm

Nonstop2h 32m

$317

ChicagoBuffalo

ORD Chicago O'Hare Intl - BUF Buffalo

ORDBUF

Chicago O'Hare Intl

Sat 12/19

4:56 pm-7:56 pm

Nonstop2h 00m

Buffalo

Mon 12/21

12:30 pm-5:20 pm

1 stop5h 50m

$327

ChicagoBuffalo

ORD Chicago O'Hare Intl - BUF Buffalo

ORDBUF

Chicago O'Hare Intl

Tue 12/1

6:55 am-9:44 am

Nonstop1h 49m

Buffalo

Wed 12/2

6:30 am-7:44 am

Nonstop2h 14m

$339
Quickest round-trip

ChicagoBuffalo

ORD Chicago O'Hare Intl - BUF Buffalo

ORDBUF

Chicago O'Hare Intl

Fri 12/11

2:05 pm-4:57 pm

Nonstop1h 52m

Buffalo

Sun 12/13

10:30 am-11:32 am

Nonstop2h 02m

$353

ChicagoBuffalo

ORD Chicago O'Hare Intl - BUF Buffalo

ORDBUF

Chicago O'Hare Intl

Mon 3/8

2:55 pm-10:49 pm

1 stop6h 54m

Buffalo

Fri 3/12

6:00 am-1:59 pm

1 stop8h 59m

$626

ChicagoBuffalo

ORD Chicago O'Hare Intl - BUF Buffalo

ORDBUF

Chicago O'Hare Intl

Thu 3/11

2:55 pm-10:49 pm

1 stop6h 54m

Buffalo

Fri 3/12

6:00 am-1:59 pm

1 stop8h 59m

$646

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 Buffalo from

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to Buffalo

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 Chicago O'Hare Intl Airport and Buffalo?

Prices are currently low for flights on this route.

Typical prices usually range from $338 to $488.
The lowest price recently found on this route was $218.

What is the cheapest month to fly to Buffalo?

If you aren’t able to travel during the month of January, then book flights to Buffalo from Chicago O'Hare Intl Airport during February instead. Flights to Buffalo in February, while not as cheap as those in January, still average around $323.

What is the cheapest day to depart on your flight to Buffalo?

Our data shows that Saturday is the least expensive day to fly to Buffalo. Tickets to fly out on this day can be as low as $354. Flights from Chicago O'Hare Intl Airport to Buffalo on a Monday will generally be more expensive and average around $494. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Buffalo?

At noon is the cheapest time of day to fly from Chicago O'Hare Intl Airport to Buffalo when you can find flight prices for as low as $369. Flying to Buffalo at noon is an ideal time because this is during off-peak travel hours. In the afternoon is when there is more demand to fly to Buffalo, so prices are often more expensive at around $470 per ticket.

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

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

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

You are more likely to see cheaper flights to Buffalo from Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Buffalo for around $398 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Buffalo from Chicago O'Hare Intl Airport for as low as $309 on momondo.

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

There are 4 cabin classes available to choose from on Chicago O'Hare Intl Airport to Buffalo 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 Chicago O'Hare Intl Airport to Buffalo flights?

No. A direct flight is the cheapest option for a flight between Chicago O'Hare Intl Airport to Buffalo.

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

As of November 2026, prices for Chicago O'Hare Intl Airport to Buffalo flights are approximately 11% cheaper when compared to flights at the same time last year.

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

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

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

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

Best Price Found

$109

Fastest flight time

1h 35m

Direct flights

Every day

Airports in Buffalo

1 airport
The best one-way flight to Buffalo from Chicago O'Hare Intl Airport in the past 72 hours is $109. The best round-trip flight deal from Chicago O'Hare Intl Airport to Buffalo found on momondo in the last 72 hours is $218.
The fastest flight from Chicago O'Hare Intl Airport to Buffalo takes 1h 35m
Direct flights go from Chicago O'Hare Intl Airport to Buffalo every day.
There is 1 airport in Buffalo. From Chicago O'Hare Intl Airport there are direct flights to Buffalo (BUF).
Search flight deals

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

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

    A flight from Chicago O'Hare Intl to Buffalo will travel around 464.0 mi. In terms of flight time, this usually takes a little over 1h 35m.

  • When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Buffalo Airport?

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

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

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

  • What documentation or ID do you need to fly to Buffalo Airport?

    The required travel and health documents for your Buffalo Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Buffalo Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

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

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

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Buffalo with momondo
Airline
Rating
Free Cancellation
Price
JetBluePriceFrom $98Free CancellationRating
7.1
3,069 reviews
Search JetBlue flights
American AirlinesPriceFrom $240Free CancellationRating
7.0
12,228 reviews
Search American Airlines flights
United AirlinesPriceFrom $260Free CancellationRating
7.3
10,471 reviews
Search United Airlines flights

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

    United Airlines operates around 14 flights from Chicago O'Hare Intl Airport to Buffalo every week. The average price of these flights found in the last 72 hours has been $435, but momondo users have found United Airlines deals from Chicago O'Hare Intl Airport to Buffalo from as low as $260 round-trip. United Airlines has been scored 7.3/10 in 10,472 reviews.

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

    $240 is the best American Airlines flight deal from Chicago O'Hare Intl Airport to Buffalo found on momondo over the last 72 hours. The average American Airlines ticket price found was closer to $369, however, with flight time and availability significantly affecting the price. American Airlines (7.0/10 from 12,228 user reviews) flies into Buffalo from Chicago O'Hare Intl Airport 12 times in an average week so prices can vary.

Traveling to a place near Buffalo?

Book flights to Buffalo if you plan to visit one of these locations
Batavia
Cheektowaga
Amherst
Williamsville
Tonawanda
Bowmansville
Lockport
Orchard Park
West Seneca
Grand Island
East Aurora
Angola

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Chicago to Buffalo for you.

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

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

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

Once you have performed a search for Chicago to Buffalo flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Buffalo from Chicago 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.

An easier way to manage your Buffalo trip

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