What is the cheapest airline that flies from Chicago O'Hare Intl to Buffalo?

Frontier and United Airlines are the most popular carriers operating from Chicago O'Hare Intl to Buffalo

What airlines fly to Buffalo?

United Airlines, American Airlines and JetBlue are the top three most popular airlines that fly to Buffalo from Chicago O'Hare Intl Airport according to our data. United Airlines is the first choice among our users, with 54% of people opting to fly with this airline when traveling to Buffalo. Keep in mind that there are 3 different airlines that fly to Buffalo on a routine basis, so you have a few additional options to choose from.

How many flights depart from Chicago O'Hare Intl Airport to Buffalo on average per week?

As of October 2026, there are 77 flights per week flying from Chicago O'Hare Intl Airport to Buffalo. The most common day of the week flights depart is Thu, with 34% of flights taking off on this day.

How many flights depart from Chicago O'Hare Intl Airport to Buffalo on average per day?

11 flights are operational daily from Chicago O'Hare Intl Airport to Buffalo as of October 2026. The most popular departure time for this route is 9:00PM, with 54% of flights per day taking off in the evening.

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?

As of October 2026, there are 3 operators available to choose from 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.

$104 Cheap Flights from Chicago O'Hare Intl Airport to Buffalo in 2026/27

Discover deals from 900+ travel sites with momondo.

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

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:40 am - 8:24 pmORD Chicago O'Hare Intl-BUF Buffalo

13h 44m1 stop Orlando

1:15 pm - 9:35 pmBUF Buffalo-ORD Chicago O'Hare Intl

9h 20m1 stop Atlanta Hartsfield-Jackson

$210Frontier

Wed, Nov 25 - Wed, Dec 2

5:12 pm - 8:24 pmORD Chicago O'Hare Intl-BUF Buffalo

26h 12m1 stop Orlando

9:20 pm - 12:42 amBUF Buffalo-ORD Chicago O'Hare Intl

28h 22m1 stop Orlando

$216Frontier

Mon, Nov 23 - Wed, Nov 25

7:31 am - 1:49 pmORD Chicago O'Hare Intl-BUF Buffalo

5h 18m1 stop Atlanta Hartsfield-Jackson

9:20 pm - 12:43 amBUF Buffalo-ORD Chicago O'Hare Intl

28h 23m1 stop Orlando

$234Frontier

Thu, Nov 19 - Mon, Nov 23

8:00 am - 10:45 amORD Chicago O'Hare Intl-BUF Buffalo

1h 45mnonstop

7:52 am - 9:03 amBUF Buffalo-ORD Chicago O'Hare Intl

2h 11mnonstop

$275American Airlines

Mon, Nov 23 - Wed, Nov 25

8:00 am - 10:48 amORD Chicago O'Hare Intl-BUF Buffalo

1h 48mnonstop

6:40 pm - 7:59 pmBUF Buffalo-ORD Chicago O'Hare Intl

2h 19mnonstop

$275American Airlines

Mon, Nov 16 - Thu, Nov 19

6:59 pm - 9:49 pmORD Chicago O'Hare Intl-BUF Buffalo

1h 50mnonstop

11:26 am - 12:58 pmBUF Buffalo-ORD Chicago O'Hare Intl

2h 32mnonstop

$275American Airlines

Sat, Dec 5 - Wed, Dec 16

2:05 pm - 4:57 pmORD Chicago O'Hare Intl-BUF Buffalo

1h 52mnonstop

6:30 am - 7:52 amBUF Buffalo-ORD Chicago O'Hare Intl

2h 22mnonstop

$306United Airlines

Wed, Dec 16 - Mon, Dec 21

5:51 pm - 8:36 pmORD Chicago O'Hare Intl-BUF Buffalo

1h 45mnonstop

5:58 pm - 7:02 pmBUF Buffalo-ORD Chicago O'Hare Intl

2h 04mnonstop

$306United Airlines

Fri, Nov 20 - Mon, Nov 23

7:00 am - 11:58 pmORD Chicago O'Hare Intl-BUF Buffalo

15h 58m1 stop Fort Lauderdale

7:35 am - 11:36 pmBUF Buffalo-ORD Chicago O'Hare Intl

17h 01m1 stop Fort Lauderdale

$512JetBlue

Mon, Nov 16 - Wed, Nov 18

11:00 am - 7:20 pmORD Chicago O'Hare Intl-BUF Buffalo

7h 20m1 stop Boston Logan Intl

7:10 pm - 1:32 pmBUF Buffalo-ORD Chicago O'Hare Intl

19h 22m1 stop Fort Lauderdale

$532JetBlue

Thu, Nov 19 - Mon, Nov 23

Cheap last minute flights

Enter your travel dates to find the best prices.

7:50 pm - 7:07 amORD Chicago O'Hare Intl-BUF Buffalo

10h 17m1 stop Atlanta Hartsfield-Jackson

1:48 pm - 6:45 pmBUF Buffalo-ORD Chicago O'Hare Intl

5h 57m1 stop Atlanta Hartsfield-Jackson

$337Frontier

Thu, Nov 5 - Mon, Nov 9

7:50 pm - 7:07 amORD Chicago O'Hare Intl-BUF Buffalo

10h 17m1 stop Atlanta Hartsfield-Jackson

12:39 pm - 8:46 amBUF Buffalo-ORD Chicago O'Hare Intl

21h 07m1 stop Orlando

$366Frontier

Thu, Nov 5 - Sun, Nov 8

9:51 am - 5:52 pmORD Chicago O'Hare Intl-BUF Buffalo

7h 01m1 stop Orlando

8:02 am - 6:54 pmBUF Buffalo-ORD Chicago O'Hare Intl

11h 52m1 stop Atlanta Hartsfield-Jackson

$392Frontier

Thu, Nov 5 - Fri, Nov 6

3:20 pm - 6:06 pmORD Chicago O'Hare Intl-BUF Buffalo

1h 46mnonstop

11:26 am - 12:40 pmBUF Buffalo-ORD Chicago O'Hare Intl

2h 14mnonstop

$466American Airlines

Sun, Nov 1 - Thu, Nov 5

8:00 am - 10:48 amORD Chicago O'Hare Intl-BUF Buffalo

1h 48mnonstop

6:45 pm - 7:59 pmBUF Buffalo-ORD Chicago O'Hare Intl

2h 14mnonstop

$466American Airlines

Sun, Nov 1 - Wed, Nov 4

4:51 pm - 11:59 pmORD Chicago O'Hare Intl-BUF Buffalo

6h 08m1 stop Washington, D.C. Reagan-National

7:57 am - 9:05 amBUF Buffalo-ORD Chicago O'Hare Intl

2h 08mnonstop

$475American Airlines

Sun, Nov 1 - Wed, Nov 4

9:51 am - 1:15 pmORD Chicago O'Hare Intl-BUF Buffalo

26h 24m2 stops Orlando Atlanta Hartsfield-Jackson

8:02 am - 6:54 pmBUF Buffalo-ORD Chicago O'Hare Intl

11h 52m1 stop Atlanta Hartsfield-Jackson

$489Frontier

Tue, Nov 3 - Fri, Nov 6

5:51 pm - 8:36 pmORD Chicago O'Hare Intl-BUF Buffalo

1h 45mnonstop

1:53 pm - 2:55 pmBUF Buffalo-ORD Chicago O'Hare Intl

2h 02mnonstop

$497United Airlines

Tue, Nov 3 - Tue, Nov 10

6:29 am - 9:21 amORD Chicago O'Hare Intl-BUF Buffalo

1h 52mnonstop

10:30 am - 11:43 amBUF Buffalo-ORD Chicago O'Hare Intl

2h 13mnonstop

$497United Airlines

Mon, Nov 2 - Wed, Nov 4

5:51 pm - 8:36 pmORD Chicago O'Hare Intl-BUF Buffalo

1h 45mnonstop

1:53 pm - 2:55 pmBUF Buffalo-ORD Chicago O'Hare Intl

2h 02mnonstop

$497United Airlines

Thu, Nov 5 - Fri, Nov 6

Cheap direct flights

Enter your travel dates to find the best prices.

8:00 am - 10:48 amORD Chicago O'Hare Intl-BUF Buffalo

1h 48mnonstop

11:26 am - 12:40 pmBUF Buffalo-ORD Chicago O'Hare Intl

2h 14mnonstop

$275American Airlines

Mon, Nov 16 - Wed, Nov 18

6:59 pm - 9:49 pmORD Chicago O'Hare Intl-BUF Buffalo

1h 50mnonstop

11:26 am - 12:58 pmBUF Buffalo-ORD Chicago O'Hare Intl

2h 32mnonstop

$275American Airlines

Sat, Dec 5 - Wed, Dec 16

3:17 pm - 6:00 pmORD Chicago O'Hare Intl-BUF Buffalo

1h 43mnonstop

6:40 pm - 7:59 pmBUF Buffalo-ORD Chicago O'Hare Intl

2h 19mnonstop

$275American Airlines

Thu, Nov 19 - Mon, Nov 23

7:00 pm - 9:46 pmORD Chicago O'Hare Intl-BUF Buffalo

1h 46mnonstop

6:49 pm - 7:59 pmBUF Buffalo-ORD Chicago O'Hare Intl

2h 10mnonstop

$275American Airlines

Wed, Nov 25 - Wed, Dec 2

8:00 am - 10:45 amORD Chicago O'Hare Intl-BUF Buffalo

1h 45mnonstop

7:52 am - 9:03 amBUF Buffalo-ORD Chicago O'Hare Intl

2h 11mnonstop

$275American Airlines

Mon, Nov 23 - Wed, Nov 25

8:00 am - 10:48 amORD Chicago O'Hare Intl-BUF Buffalo

1h 48mnonstop

6:40 pm - 7:59 pmBUF Buffalo-ORD Chicago O'Hare Intl

2h 19mnonstop

$275American Airlines

Mon, Nov 16 - Thu, Nov 19

2:05 pm - 4:57 pmORD Chicago O'Hare Intl-BUF Buffalo

1h 52mnonstop

6:30 am - 7:52 amBUF Buffalo-ORD Chicago O'Hare Intl

2h 22mnonstop

$306United Airlines

Wed, Dec 16 - Mon, Dec 21

5:51 pm - 8:36 pmORD Chicago O'Hare Intl-BUF Buffalo

1h 45mnonstop

5:58 pm - 7:02 pmBUF Buffalo-ORD Chicago O'Hare Intl

2h 04mnonstop

$306United Airlines

Fri, Nov 20 - Mon, Nov 23

7:00 pm - 9:46 pmORD Chicago O'Hare Intl-BUF Buffalo

1h 46mnonstop

11:26 am - 12:58 pmBUF Buffalo-ORD Chicago O'Hare Intl

2h 32mnonstop

$315American Airlines

Fri, Nov 27 - Fri, Dec 4

8:00 am - 10:56 amORD Chicago O'Hare Intl-BUF Buffalo

1h 56mnonstop

6:49 pm - 7:59 pmBUF Buffalo-ORD Chicago O'Hare Intl

2h 10mnonstop

$326American Airlines

Thu, Dec 3 - Sun, Dec 6

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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 25

ORD5:40 amChicago O'Hare Intl

13h 44m

1 stop

BUF8:24 pmBuffalo

Dec 2

BUF1:15 pmBuffalo

9h 20m

1 stop

ORD9:35 pmChicago O'Hare Intl

$210

Frontier

Nov 23

ORD5:12 pmChicago O'Hare Intl

26h 12m

1 stop

BUF8:24 pmBuffalo

Nov 25

BUF9:20 pmBuffalo

28h 22m

1 stop

ORD12:42 amChicago O'Hare Intl

$216

Frontier

Nov 19

ORD7:31 amChicago O'Hare Intl

5h 18m

1 stop

BUF1:49 pmBuffalo

Nov 23

BUF9:20 pmBuffalo

28h 23m

1 stop

ORD12:43 amChicago O'Hare Intl

$234

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

Our best United Airlines deals on Chicago O'Hare Intl Airport to Buffalo flight tickets

United Airlines

Nov 20

ORD5:51 pmChicago O'Hare Intl

1h 45m

BUF8:36 pmBuffalo

Nov 23

BUF5:58 pmBuffalo

2h 04m

ORD7:02 pmChicago O'Hare Intl

$306

United Airlines

Dec 4

ORD5:59 pmChicago O'Hare Intl

1h 57m

BUF8:56 pmBuffalo

Dec 7

BUF10:30 amBuffalo

2h 02m

ORD11:32 amChicago O'Hare Intl

$337

United Airlines

Nov 20

ORD5:51 pmChicago O'Hare Intl

1h 45m

BUF8:36 pmBuffalo

Nov 22

BUF5:58 pmBuffalo

2h 04m

ORD7:02 pmChicago O'Hare Intl

$348

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 11/25

5:40 am-8:24 pm

1 stop13h 44m

Buffalo

Wed 12/2

1:15 pm-9:35 pm

1 stop9h 20m

$210

ChicagoBuffalo

ORD Chicago O'Hare Intl - BUF Buffalo

ORDBUF

Chicago O'Hare Intl

Mon 11/23

5:12 pm-8:24 pm

1 stop26h 12m

Buffalo

Wed 11/25

9:20 pm-12:42 am

1 stop28h 22m

$216

ChicagoBuffalo

ORD Chicago O'Hare Intl - BUF Buffalo

ORDBUF

Chicago O'Hare Intl

Thu 11/19

7:31 am-1:49 pm

1 stop5h 18m

Buffalo

Mon 11/23

9:20 pm-12:43 am

1 stop28h 23m

$234

ChicagoBuffalo

ORD Chicago O'Hare Intl - BUF Buffalo

ORDBUF

Chicago O'Hare Intl

Mon 11/23

8:00 am-10:45 am

Nonstop1h 45m

Buffalo

Wed 11/25

7:52 am-9:03 am

Nonstop2h 11m

$275

ChicagoBuffalo

ORD Chicago O'Hare Intl - BUF Buffalo

ORDBUF

Chicago O'Hare Intl

Mon 11/16

8:00 am-10:48 am

Nonstop1h 48m

Buffalo

Thu 11/19

6:40 pm-7:59 pm

Nonstop2h 19m

$275

ChicagoBuffalo

ORD Chicago O'Hare Intl - BUF Buffalo

ORDBUF

Chicago O'Hare Intl

Sat 12/5

6:59 pm-9:49 pm

Nonstop1h 50m

Buffalo

Wed 12/16

11:26 am-12:58 pm

Nonstop2h 32m

$275

ChicagoBuffalo

ORD Chicago O'Hare Intl - BUF Buffalo

ORDBUF

Chicago O'Hare Intl

Wed 12/16

2:05 pm-4:57 pm

Nonstop1h 52m

Buffalo

Mon 12/21

6:30 am-7:52 am

Nonstop2h 22m

$306

Quickest round-trip

ChicagoBuffalo

ORD Chicago O'Hare Intl - BUF Buffalo

ORDBUF

Chicago O'Hare Intl

Fri 11/20

5:51 pm-8:36 pm

Nonstop1h 45m

Buffalo

Mon 11/23

5:58 pm-7:02 pm

Nonstop2h 04m

$306

ChicagoBuffalo

ORD Chicago O'Hare Intl - BUF Buffalo

ORDBUF

Chicago O'Hare Intl

Mon 11/16

7:00 am-11:58 pm

1 stop15h 58m

Buffalo

Wed 11/18

7:35 am-11:36 pm

1 stop17h 01m

$512

ChicagoBuffalo

ORD Chicago O'Hare Intl - BUF Buffalo

ORDBUF

Chicago O'Hare Intl

Thu 11/19

11:00 am-7:20 pm

1 stop7h 20m

Buffalo

Mon 11/23

7:10 pm-1:32 pm

1 stop19h 22m

$532

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

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 $256 to $395.
The lowest price recently found on this route was $210.

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 $481. 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 $356. 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 $467 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 $383 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 October 2026, prices for Chicago O'Hare Intl Airport to Buffalo flights are approximately 75% more expensive 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	$104
Fastest flight time	1h 40m
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 $104. The best round-trip flight deal from Chicago O'Hare Intl Airport to Buffalo found on momondo in the last 72 hours is $210.

The fastest flight from Chicago O'Hare Intl Airport to Buffalo takes 1h 40m

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 40m.
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?
As of October 2026, there are 3 operators available to choose from 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?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Chicago O'Hare Intl Airport to Buffalo is Boeing 737-800 (17.82% of total bookings). The next most popular plane models are Airbus A319 (16.78%), Embraer 175 (16.49%), and Canadair (Bombardier) Regional Jet CRJ-550 (16.30%).
What is the most popular airline from Chicago O'Hare Intl Airport to Buffalo?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Chicago O'Hare Intl Airport to Buffalo is United Airlines (53% of total bookings). The next most popular airlines are American Airlines (42%) and JetBlue (5%).

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
JetBlue	PriceFrom $98	Free Cancellation	Rating 7.1 3,075 reviews	Search JetBlue flights
American Airlines	PriceFrom $240	Free Cancellation	Rating 7.0 12,217 reviews	Search American Airlines flights
United Airlines	PriceFrom $244	Free Cancellation	Rating 7.3 10,454 reviews	Search United Airlines flights

United Airlines Flights From Chicago O'Hare Intl Airport to Buffalo
United Airlines operates around 8 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 $409, but momondo users have found United Airlines deals from Chicago O'Hare Intl Airport to Buffalo from as low as $244 round-trip. United Airlines has been scored 7.3/10 in 10,455 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 $365, however, with flight time and availability significantly affecting the price. American Airlines (7.0/10 from 12,220 user reviews) flies into Buffalo from Chicago O'Hare Intl Airport 4 times in an average week so prices can vary.

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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Sun 11/29

Sun 12/6

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Nearby airports

Airlines

Cabin classes

Other United States destinations

Other flights from Chicago O'Hare Intl Airport

Complete your trip

Feeling lucky

Cheap flights from Chicago O'Hare Intl Airport to Buffalo from $104

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

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Frontier flights from Chicago O'Hare Intl Airport to Buffalo

Our best Frontier deals on Chicago O'Hare Intl Airport to Buffalo flight tickets

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

Our best United Airlines deals on Chicago O'Hare Intl Airport to Buffalo flight tickets

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.

See travel insights to Buffalo from

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

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

What is the cheapest month to fly to Buffalo?

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

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

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

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

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

Can stopping save me money on Chicago O'Hare Intl Airport to Buffalo flights?

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

What is the cheapest airline that flies from Chicago O'Hare Intl to Buffalo?

What airlines fly to Buffalo?

How many flights depart from Chicago O'Hare Intl Airport to Buffalo on average per day?

How many flights depart from Chicago O'Hare Intl Airport to Buffalo on average per week?

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

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

Best Price Found

Fastest flight time

Direct flights

Airports in Buffalo

Frequently asked questions about flying 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

Traveling to a place near Buffalo?

Why use momondo?

An easier way to manage your Buffalo trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing New York

Fly your favorite airline to Buffalo

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Buffalo

List of cabin classes available on flights landing in Buffalo. Availability may vary depending on flight origin and airline.

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Chicago O'Hare Intl Airport

According to popular flight searches on momondo this year

Complete your trip to Buffalo

Explore popular destinations other users love

According to popular flight searches on momondo this year