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Cheap flights from Chicago O'Hare Intl Airport to Buffalo from $119

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
2:03 pm - 12:18 pmORD  Chicago O'Hare Intl-BUF Buffalo
21h 15m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
1:13 pm - 7:44 pmBUF  Buffalo-ORD Chicago O'Hare Intl
7h 31m1 stop Atlanta Hartsfield-Jackson
$171Frontier
Wed, Nov 4 - Tue, Nov 10
Frontier Logo
2:03 pm - 12:18 pmORD  Chicago O'Hare Intl-BUF Buffalo
21h 15m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
1:13 pm - 12:02 pmBUF  Buffalo-ORD Chicago O'Hare Intl
23h 49m1 stop Atlanta Hartsfield-Jackson
$174Frontier
Wed, Nov 4 - Mon, Nov 9
Frontier Logo
2:03 pm - 12:18 pmORD  Chicago O'Hare Intl-BUF Buffalo
21h 15m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
1:13 pm - 12:02 pmBUF  Buffalo-ORD Chicago O'Hare Intl
23h 49m1 stop Atlanta Hartsfield-Jackson
$175Frontier
Wed, Nov 4 - Mon, Nov 9
United Airlines Logo
6:29 am - 9:08 amORD  Chicago O'Hare Intl-BUF Buffalo
1h 39mnonstop
United Airlines Logo
10:30 am - 11:30 amBUF  Buffalo-ORD Chicago O'Hare Intl
2h 00mnonstop
$217United Airlines
Wed, Sep 16 - Wed, Sep 23
United Airlines Logo
6:49 am - 9:28 amORD  Chicago O'Hare Intl-BUF Buffalo
1h 39mnonstop
United Airlines Logo
7:00 am - 8:00 amBUF  Buffalo-ORD Chicago O'Hare Intl
2h 00mnonstop
$217United Airlines
Tue, Sep 15 - Thu, Oct 1
American Airlines Logo
8:46 am - 11:39 amORD  Chicago O'Hare Intl-BUF Buffalo
1h 53mnonstop
American Airlines Logo
7:59 am - 9:10 amBUF  Buffalo-ORD Chicago O'Hare Intl
2h 11mnonstop
$217American Airlines
Wed, Sep 30 - Sat, Oct 3
American Airlines Logo
7:20 pm - 10:10 pmORD  Chicago O'Hare Intl-BUF Buffalo
1h 50mnonstop
American Airlines Logo
12:09 pm - 1:19 pmBUF  Buffalo-ORD Chicago O'Hare Intl
2h 10mnonstop
$217American Airlines
Thu, Sep 24 - Sat, Sep 26
American Airlines Logo
9:16 pm - 11:59 pmORD  Chicago O'Hare Intl-BUF Buffalo
1h 43mnonstop
American Airlines Logo
5:50 pm - 7:00 pmBUF  Buffalo-ORD Chicago O'Hare Intl
2h 10mnonstop
$217American Airlines
Mon, Oct 19 - Thu, Oct 22
JetBlue Logo
3:00 pm - 10:56 pmORD  Chicago O'Hare Intl-BUF Buffalo
6h 56m1 stop Fort Lauderdale
JetBlue Logo
7:00 am - 1:45 pmBUF  Buffalo-ORD Chicago O'Hare Intl
7h 45m1 stop Fort Lauderdale
$250JetBlue
Thu, Sep 10 - Mon, Sep 14
JetBlue Logo
2:35 pm - 12:02 amORD  Chicago O'Hare Intl-BUF Buffalo
8h 27m1 stop Fort Lauderdale
JetBlue Logo
2:32 pm - 7:12 pmBUF  Buffalo-ORD Chicago O'Hare Intl
5h 40m1 stop Boston Logan Intl
$261JetBlue
Tue, Nov 3 - Mon, Nov 9

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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
Nov 4
ORD2:03 pmChicago O'Hare Intl
21h 15m
1 stop
BUF12:18 pmBuffalo
Nov 10
BUF1:13 pmBuffalo
7h 31m
1 stop
ORD7:44 pmChicago O'Hare Intl
$171
Frontier
Nov 4
ORD2:03 pmChicago O'Hare Intl
21h 15m
1 stop
BUF12:18 pmBuffalo
Nov 9
BUF1:13 pmBuffalo
23h 49m
1 stop
ORD12:02 pmChicago O'Hare Intl
$174
Frontier
Nov 4
ORD2:03 pmChicago O'Hare Intl
21h 15m
1 stop
BUF12:18 pmBuffalo
Nov 9
BUF1:13 pmBuffalo
23h 49m
1 stop
ORD12:02 pmChicago O'Hare Intl
$175

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
Sep 14
ORD2:32 pmChicago O'Hare Intl
1h 46m
BUF5:18 pmBuffalo
Sep 17
BUF7:34 pmBuffalo
5h 22m
1 stop
ORD11:56 pmChicago O'Hare Intl
$246
American Airlines
Sep 10
ORD2:32 pmChicago O'Hare Intl
1h 46m
BUF5:18 pmBuffalo
Sep 14
BUF5:58 pmBuffalo
5h 02m
1 stop
ORD10:00 pmChicago O'Hare Intl
$247
American Airlines
Sep 2
ORD11:53 amChicago O'Hare Intl
5h 09m
1 stop
BUF6:02 pmBuffalo
Sep 8
BUF10:30 amBuffalo
2h 05m
ORD11:35 amChicago O'Hare Intl
$354

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.

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Fly to

Route

Depart

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Price

Cheapest round-trip

ChicagoBuffalo

ORD Chicago O'Hare Intl - BUF Buffalo

ORDBUF

Chicago O'Hare Intl

Wed 11/4

2:03 pm-12:18 pm

1 stop21h 15m

Buffalo

Tue 11/10

1:13 pm-7:44 pm

1 stop7h 31m

$171

ChicagoBuffalo

ORD Chicago O'Hare Intl - BUF Buffalo

ORDBUF

Chicago O'Hare Intl

Wed 11/4

2:03 pm-12:18 pm

1 stop21h 15m

Buffalo

Mon 11/9

1:13 pm-12:02 pm

1 stop23h 49m

$174

ChicagoBuffalo

ORD Chicago O'Hare Intl - BUF Buffalo

ORDBUF

Chicago O'Hare Intl

Wed 11/4

2:03 pm-12:18 pm

1 stop21h 15m

Buffalo

Mon 11/9

1:13 pm-12:02 pm

1 stop23h 49m

$175
Quickest round-trip

ChicagoBuffalo

ORD Chicago O'Hare Intl - BUF Buffalo

ORDBUF

Chicago O'Hare Intl

Wed 9/16

6:29 am-9:08 am

Nonstop1h 39m

Buffalo

Wed 9/23

10:30 am-11:30 am

Nonstop2h 00m

$217

ChicagoBuffalo

ORD Chicago O'Hare Intl - BUF Buffalo

ORDBUF

Chicago O'Hare Intl

Tue 9/15

6:49 am-9:28 am

Nonstop1h 39m

Buffalo

Thu 10/1

7:00 am-8:00 am

Nonstop2h 00m

$217

ChicagoBuffalo

ORD Chicago O'Hare Intl - BUF Buffalo

ORDBUF

Chicago O'Hare Intl

Wed 9/30

8:46 am-11:39 am

Nonstop1h 53m

Buffalo

Sat 10/3

7:59 am-9:10 am

Nonstop2h 11m

$217

ChicagoBuffalo

ORD Chicago O'Hare Intl - BUF Buffalo

ORDBUF

Chicago O'Hare Intl

Thu 9/24

7:20 pm-10:10 pm

Nonstop1h 50m

Buffalo

Sat 9/26

12:09 pm-1:19 pm

Nonstop2h 10m

$217

ChicagoBuffalo

ORD Chicago O'Hare Intl - BUF Buffalo

ORDBUF

Chicago O'Hare Intl

Mon 10/19

9:16 pm-11:59 pm

Nonstop1h 43m

Buffalo

Thu 10/22

5:50 pm-7:00 pm

Nonstop2h 10m

$217

ChicagoBuffalo

ORD Chicago O'Hare Intl - BUF Buffalo

ORDBUF

Chicago O'Hare Intl

Thu 9/10

3:00 pm-10:56 pm

1 stop6h 56m

Buffalo

Mon 9/14

7:00 am-1:45 pm

1 stop7h 45m

$250

ChicagoBuffalo

ORD Chicago O'Hare Intl - BUF Buffalo

ORDBUF

Chicago O'Hare Intl

Tue 11/3

2:35 pm-12:02 am

1 stop8h 27m

Buffalo

Mon 11/9

2:32 pm-7:12 pm

1 stop5h 40m

$261

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 $270 to $505.
The lowest price recently found on this route was $171.

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 $349. Flights from Chicago O'Hare Intl Airport to Buffalo on a Monday will generally be more expensive and average around $471. 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?

In the evening 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 $370. Flying to Buffalo in the evening 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 $454 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 $376 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 $299 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?

You could potentially save up to 15% on your flight if you consider stops on a Chicago O'Hare Intl Airport to Buffalo flight.

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

As of August 2026, prices for Chicago O'Hare Intl Airport to Buffalo flights are approximately 16% 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

$119

Fastest flight time

1h 39m

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 $119. The best round-trip flight deal from Chicago O'Hare Intl Airport to Buffalo found on momondo in the last 72 hours is $171.
The fastest flight from Chicago O'Hare Intl Airport to Buffalo takes 1h 39m
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 39m.

  • 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
3,037 reviews
Search JetBlue flights
American AirlinesPriceFrom $237Free CancellationRating
7.1
11,962 reviews
Search American Airlines flights
United AirlinesPriceFrom $240Free CancellationRating
7.4
10,104 reviews
Search United Airlines flights

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

    United Airlines operates around 24 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 $403, but momondo users have found United Airlines deals from Chicago O'Hare Intl Airport to Buffalo from as low as $240 round-trip. United Airlines has been scored 7.4/10 in 10,104 reviews.

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

    $237 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 $356, however, with flight time and availability significantly affecting the price. American Airlines (7.1/10 from 11,962 user reviews) flies into Buffalo from Chicago O'Hare Intl Airport 19 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
Tonawanda
Williamsville
Orchard Park
Grand Island
Bowmansville
Lockport
West Seneca
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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