Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Chicago O'Hare Intl Airport to Buffalo from $55

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to Buffalo departing on 1/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

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

Trusted and free

Trusted and free

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

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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
8:27 pm - 8:13 amORD-BUF
10h 46m1 stop
Frontier Logo
1:15 pm - 10:39 pmBUF-ORD
10h 24m1 stop
$130Frontier
Find Deal
Thu, Jan 8 - Mon, Jan 12
JetBlue Logo
12:41 pm - 6:33 pmORD-BUF
4h 52m1 stop
JetBlue Logo
6:00 am - 11:48 amBUF-ORD
6h 48m1 stop
$173JetBlue
Find Deal
Tue, Feb 24 - Fri, Feb 27
JetBlue Logo
7:00 am - 3:59 pmORD-BUF
7h 59m1 stop
JetBlue Logo
10:00 am - 5:44 pmBUF-ORD
8h 44m1 stop
$181JetBlue
Find Deal
Wed, Dec 17 - Sat, Jan 17
Frontier Logo
8:27 pm - 5:38 pmORD-BUF
20h 11m1 stop
Frontier Logo
1:15 pm - 10:39 pmBUF-ORD
10h 24m1 stop
$191Frontier
Find Deal
Fri, Jan 9 - Sun, Jan 11
JetBlue Logo
12:41 pm - 6:33 pmORD-BUF
4h 52m1 stop
JetBlue Logo
6:00 am - 11:49 amBUF-ORD
6h 49m1 stop
$193JetBlue
Find Deal
Fri, Feb 27 - Fri, Mar 6
Multiple Airlines Logo
1:24 pm - 11:10 amORD-BUF
20h 46m1 stop
Multiple Airlines Logo
3:18 pm - 12:09 amBUF-ORD
9h 51m2 stops
$198Multiple Airlines
Find Deal
Sat, Dec 13 - Mon, Dec 15
Frontier Logo
2:26 pm - 2:23 pmORD-BUF
22h 57m1 stop
Frontier Logo
11:40 am - 10:24 pmBUF-ORD
11h 44m1 stop
$200Frontier
Find Deal
Sat, Dec 6 - Mon, Dec 8
Frontier Logo
2:26 pm - 2:23 pmORD-BUF
22h 57m1 stop
Frontier Logo
11:40 am - 5:27 pmBUF-ORD
6h 47m1 stop
$202Frontier
Find Deal
Sat, Dec 6 - Mon, Dec 8
Frontier Logo
3:14 pm - 2:15 pmORD-BUF
22h 01m2 stops
Frontier Logo
11:40 am - 5:27 pmBUF-ORD
6h 47m1 stop
$214Frontier
Find Deal
Fri, Dec 12 - Mon, Dec 15
JetBlue Logo
7:00 am - 3:59 pmORD-BUF
7h 59m1 stop
JetBlue Logo
5:00 pm - 9:52 pmBUF-ORD
5h 52m1 stop
$215JetBlue
Find Deal
Sat, Dec 13 - Tue, Dec 16

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
Jan 8
ORD8:27 pmChicago O'Hare Intl
10h 46m
1 stop
BUF8:13 amBuffalo
Jan 12
BUF1:15 pmBuffalo
10h 24m
1 stop
ORD10:39 pmChicago O'Hare Intl
$130
Find similar
Frontier
Jan 9
ORD8:27 pmChicago O'Hare Intl
20h 11m
1 stop
BUF5:38 pmBuffalo
Jan 11
BUF1:15 pmBuffalo
10h 24m
1 stop
ORD10:39 pmChicago O'Hare Intl
$191
Find similar
Frontier
Dec 6
ORD2:26 pmChicago O'Hare Intl
22h 57m
1 stop
BUF2:23 pmBuffalo
Dec 8
BUF11:40 amBuffalo
11h 44m
1 stop
ORD10:24 pmChicago O'Hare Intl
$200
Find similar

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
Nov 20
ORD7:00 amChicago O'Hare Intl
1h 37m
BUF9:37 amBuffalo
Nov 23
BUF4:26 pmBuffalo
2h 13m
ORD5:39 pmChicago O'Hare Intl
$239
Find similar
American Airlines
Nov 20
ORD7:00 amChicago O'Hare Intl
1h 37m
BUF9:37 amBuffalo
Nov 23
BUF10:07 amBuffalo
1h 58m
ORD11:05 amChicago O'Hare Intl
$240
Find similar
American Airlines
Dec 2
ORD8:59 pmChicago O'Hare Intl
1h 37m
BUF11:36 pmBuffalo
Dec 6
BUF10:19 amBuffalo
2h 06m
ORD11:25 amChicago O'Hare Intl
$241
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport to Buffalo that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated November 18, 2025.
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

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Thu 1/8

8:27 pm-8:13 am

1 stop10h 46m

Buffalo

Mon 1/12

1:15 pm-10:39 pm

1 stop10h 24m

$130

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Tue 2/24

12:41 pm-6:33 pm

1 stop4h 52m

Buffalo

Fri 2/27

6:00 am-11:48 am

1 stop6h 48m

$173

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Wed 12/17

7:00 am-3:59 pm

1 stop7h 59m

Buffalo

Sat 1/17

10:00 am-5:44 pm

1 stop8h 44m

$181

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Fri 1/9

8:27 pm-5:38 pm

1 stop20h 11m

Buffalo

Sun 1/11

1:15 pm-10:39 pm

1 stop10h 24m

$191

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Fri 2/27

12:41 pm-6:33 pm

1 stop4h 52m

Buffalo

Fri 3/6

6:00 am-11:49 am

1 stop6h 49m

$193

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Sat 12/13

1:24 pm-11:10 am

1 stop20h 46m

Buffalo

Mon 12/15

3:18 pm-12:09 am

2 stops9h 51m

$198

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Sat 12/6

2:26 pm-2:23 pm

1 stop22h 57m

Buffalo

Mon 12/8

11:40 am-10:24 pm

1 stop11h 44m

$200

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Sat 12/6

2:26 pm-2:23 pm

1 stop22h 57m

Buffalo

Mon 12/8

11:40 am-5:27 pm

1 stop6h 47m

$202

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Fri 12/12

3:14 pm-2:15 pm

2 stops22h 01m

Buffalo

Mon 12/15

11:40 am-5:27 pm

1 stop6h 47m

$214

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Sat 12/13

7:00 am-3:59 pm

1 stop7h 59m

Buffalo

Tue 12/16

5:00 pm-9:52 pm

1 stop5h 52m

$215

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 cheapest month to fly to Buffalo?

If you aren’t able to travel during the month of September, then book flights to Buffalo from Chicago O'Hare Intl Airport during August instead. Flights to Buffalo in August, while not as cheap as those in September, still average around $277.

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

Our data shows that Tuesday is the least expensive day to fly to Buffalo. Tickets to fly out on this day can be as low as $279. Flights from Chicago O'Hare Intl Airport to Buffalo on a Sunday will generally be more expensive and average around $369. 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 $329. Flying to Buffalo in the evening is an ideal time because this is during off-peak travel hours. At noon is when there is more demand to fly to Buffalo, so prices are often more expensive at around $349 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 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 $327 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 $265 on momondo.

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

There are 4 cabin classes available to choose from on Chicago O'Hare Intl 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 2025, prices for Chicago O'Hare Intl Airport to Buffalo flights are approximately 136% 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

$214

Fastest flight time

1h 33m

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 $214. The best round-trip flight deal from Chicago O'Hare Intl Airport to Buffalo found on momondo in the last 72 hours is $319.
The fastest flight from Chicago O'Hare Intl Airport to Buffalo takes 1h 33m
Direct flights go from Chicago O'Hare Intl Airport to Buffalo every day.
There is 1 airport near Buffalo: Buffalo (BUF)
Search flight deals

  • 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 37m.

  • 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
FrontierPriceFrom $132Free CancellationRating
5.8
3,103 reviews
Search Frontier flights
American AirlinesPriceFrom $177Free CancellationRating
7.2
11,047 reviews
Search American Airlines flights
United AirlinesPriceFrom $197Free CancellationRating
7.4
9,015 reviews
Search United Airlines flights

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

    United Airlines operates around 28 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 $371, but momondo users have found United Airlines deals from Chicago O'Hare Intl Airport to Buffalo from as low as $197 round-trip. United Airlines has been scored 7.4/10 in 9,015 reviews.

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

    $177 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 $306, however, with flight time and availability significantly affecting the price. American Airlines (7.2/10 from 11,047 user reviews) flies into Buffalo from Chicago O'Hare Intl Airport 20 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
Grand Island
Williamsville
Lockport
Orchard Park
West Seneca
East Aurora
Bowmansville
Eden
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
Thu 12/18
Thu 12/25
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States