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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 11/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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.
JetBlue Logo
7:00 am - 3:59 pmORD-BUF
7h 59m1 stop
JetBlue Logo
2:45 pm - 7:45 pmBUF-ORD
6h 00m1 stop
$195JetBlue
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Wed, Dec 17 - Sat, Jan 17
JetBlue Logo
7:00 am - 3:39 pmORD-BUF
7h 39m1 stop
JetBlue Logo
12:15 pm - 9:52 pmBUF-ORD
10h 37m1 stop
$208JetBlue
Find Deal
Tue, Nov 18 - Wed, Nov 19
Multiple Airlines Logo
6:48 am - 4:20 pmORD-BUF
8h 32m1 stop
Multiple Airlines Logo
11:57 am - 6:46 pmBUF-ORD
31h 49m2 stops
$218Multiple Airlines
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Mon, Nov 24 - Mon, Dec 1
Frontier Logo
8:00 am - 1:12 pmORD-BUF
28h 12m2 stops
Frontier Logo
5:40 pm - 6:33 pmBUF-ORD
25h 53m1 stop
$227Frontier
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Wed, Dec 17 - Mon, Dec 29
Multiple Airlines Logo
6:15 pm - 5:52 pmORD-BUF
22h 37m1 stop
Multiple Airlines Logo
11:57 am - 4:03 pmBUF-ORD
29h 06m1 stop
$230Multiple Airlines
Find Deal
Mon, Nov 24 - Mon, Dec 1
Frontier Logo
5:15 am - 11:51 amORD-BUF
29h 36m2 stops
Frontier Logo
11:40 am - 10:24 pmBUF-ORD
11h 44m1 stop
$234Frontier
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Thu, Dec 4 - Mon, Dec 8
American Airlines Logo
6:25 am - 3:20 pmORD-BUF
7h 55m1 stop
American Airlines Logo
11:26 am - 7:22 pmBUF-ORD
8h 56m1 stop
$243American Airlines
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Wed, Nov 12 - Tue, Nov 18
American Airlines Logo
6:22 am - 3:06 pmORD-BUF
7h 44m1 stop
American Airlines Logo
9:41 am - 8:00 pmBUF-ORD
11h 19m1 stop
$244American Airlines
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Wed, Dec 17 - Sat, Jan 17
United Airlines Logo
10:35 am - 1:12 pmORD-BUF
1h 37mnonstop
United Airlines Logo
1:59 pm - 3:04 pmBUF-ORD
2h 05mnonstop
$245United Airlines
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Wed, Dec 17 - Sat, Jan 17
United Airlines Logo
7:10 am - 9:48 amORD-BUF
1h 38mnonstop
United Airlines Logo
1:50 pm - 2:53 pmBUF-ORD
2h 03mnonstop
$293United Airlines
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Thu, Dec 4 - Thu, Dec 4

JetBlue flights from Chicago O'Hare Intl Airport to Buffalo

Our best JetBlue deals on Chicago O'Hare Intl Airport to Buffalo flight tickets
JetBlue
Dec 17
ORD7:00 amChicago O'Hare Intl
7h 59m
1 stop
BUF3:59 pmBuffalo
Jan 17
BUF2:45 pmBuffalo
6h 00m
1 stop
ORD7:45 pmChicago O'Hare Intl
$195
Find similar
JetBlue
Nov 18
ORD7:00 amChicago O'Hare Intl
7h 39m
1 stop
BUF3:39 pmBuffalo
Nov 19
BUF12:15 pmBuffalo
10h 37m
1 stop
ORD9:52 pmChicago O'Hare Intl
$208
Find similar
JetBlue
Jan 16
ORD2:05 pmChicago O'Hare Intl
8h 50m
1 stop
BUF11:55 pmBuffalo
Jan 19
BUF2:45 pmBuffalo
6h 00m
1 stop
ORD7:45 pmChicago O'Hare Intl
$219
Find similar

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
Dec 17
ORD8:00 amChicago O'Hare Intl
28h 12m
2 stops
BUF1:12 pmBuffalo
Dec 29
BUF5:40 pmBuffalo
25h 53m
1 stop
ORD6:33 pmChicago O'Hare Intl
$227
Find similar
Frontier
Nov 2
ORD5:11 amChicago O'Hare Intl
7h 36m
1 stop
BUF1:47 pmBuffalo
Nov 2
BUF6:59 pmBuffalo
18h 17m
1 stop
ORD12:16 pmChicago O'Hare Intl
$230
Find similar
Frontier
Dec 4
ORD5:15 amChicago O'Hare Intl
29h 36m
2 stops
BUF11:51 amBuffalo
Dec 8
BUF11:40 amBuffalo
11h 44m
1 stop
ORD10:24 pmChicago O'Hare Intl
$234
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 October 28, 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

Wed 12/17

7:00 am-3:59 pm

1 stop7h 59m

Buffalo

Sat 1/17

2:45 pm-7:45 pm

1 stop6h 00m

$195

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Tue 11/18

7:00 am-3:39 pm

1 stop7h 39m

Buffalo

Wed 11/19

12:15 pm-9:52 pm

1 stop10h 37m

$208

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Mon 11/24

6:48 am-4:20 pm

1 stop8h 32m

Buffalo

Mon 12/1

11:57 am-6:46 pm

2 stops31h 49m

$218

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Wed 12/17

8:00 am-1:12 pm

2 stops28h 12m

Buffalo

Mon 12/29

5:40 pm-6:33 pm

1 stop25h 53m

$227

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Mon 11/24

6:15 pm-5:52 pm

1 stop22h 37m

Buffalo

Mon 12/1

11:57 am-4:03 pm

1 stop29h 06m

$230

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Thu 12/4

5:15 am-11:51 am

2 stops29h 36m

Buffalo

Mon 12/8

11:40 am-10:24 pm

1 stop11h 44m

$234

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Wed 11/12

6:25 am-3:20 pm

1 stop7h 55m

Buffalo

Tue 11/18

11:26 am-7:22 pm

1 stop8h 56m

$243

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Wed 12/17

6:22 am-3:06 pm

1 stop7h 44m

Buffalo

Sat 1/17

9:41 am-8:00 pm

1 stop11h 19m

$244

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Wed 12/17

10:35 am-1:12 pm

Nonstop1h 37m

Buffalo

Sat 1/17

1:59 pm-3:04 pm

Nonstop2h 05m

$245

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Thu 12/4

7:10 am-9:48 am

Nonstop1h 38m

Buffalo

Thu 12/4

1:50 pm-2:53 pm

Nonstop2h 03m

$293

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 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 $293. Flights from Chicago O'Hare Intl Airport to Buffalo on a Sunday will generally be more expensive and average around $370. 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. In the afternoon is when there is more demand to fly to Buffalo, so prices are often more expensive at around $352 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 $334 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 $262 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?

You could potentially save up to 8% 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 October 2025, prices for Chicago O'Hare Intl Airport to Buffalo flights are approximately 35% 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

$215

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 $215. 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 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
FrontierPriceFrom $132Free CancellationRating
5.8
3,122 reviews
Search Frontier flights
American AirlinesPriceFrom $177Free CancellationRating
7.2
11,033 reviews
Search American Airlines flights
United AirlinesPriceFrom $197Free CancellationRating
7.4
8,996 reviews
Search United Airlines flights

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

    United Airlines operates around 23 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 $373, 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 8,996 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 $308, however, with flight time and availability significantly affecting the price. American Airlines (7.2/10 from 11,033 user reviews) flies into Buffalo from Chicago O'Hare Intl Airport 6 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
Orchard Park
Lockport
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.
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