Cheap flights from Chicago 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 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
8:35 pm - 5:25 pmMDW  Chicago Midway-BUF Buffalo
19h 50m1 stop Orlando
Frontier Logo
6:02 pm - 12:01 amBUF  Buffalo-MDW Chicago Midway
6h 59m1 stop Atlanta Hartsfield-Jackson
$222Frontier
Sat, Dec 19 - Mon, Dec 21
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
Southwest Logo
6:15 pm - 8:55 pmMDW  Chicago Midway-BUF Buffalo
1h 40mnonstop
Southwest Logo
2:00 pm - 2:50 pmBUF  Buffalo-MDW Chicago Midway
1h 50mnonstop
$317Southwest
Thu, Dec 3 - Mon, Dec 7
Southwest Logo
6:15 pm - 8:55 pmMDW  Chicago Midway-BUF Buffalo
1h 40mnonstop
Southwest Logo
3:55 pm - 6:55 pmBUF  Buffalo-MDW Chicago Midway
4h 00m1 stop Baltimore/Washington
$327Southwest
Thu, Dec 3 - Mon, Dec 7
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 to Buffalo

Our best Frontier deals on Chicago 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 19
MDW8:35 pmChicago Midway
19h 50m
1 stop
BUF5:25 pmBuffalo
Dec 21
BUF6:02 pmBuffalo
6h 59m
1 stop
MDW12:01 amChicago Midway
$222
Frontier
Dec 3
ORD5:24 pmChicago O'Hare Intl
19h 11m
1 stop
BUF1:35 pmBuffalo
Dec 7
BUF2:30 pmBuffalo
11h 38m
1 stop
ORD1:08 amChicago O'Hare Intl
$236

Delta flights from Chicago to Buffalo

Our best Delta deals on Chicago to Buffalo flight tickets
Delta
Dec 5
ORD6:03 pmChicago O'Hare Intl
5h 12m
1 stop
BUF12:15 amBuffalo
Dec 9
BUF2:15 pmBuffalo
7h 30m
1 stop
ORD8:45 pmChicago O'Hare Intl
$337
Delta
Feb 23
MDW6:43 pmChicago Midway
3h 29m
1 stop
BUF11:12 pmBuffalo
Mar 3
BUF6:05 amBuffalo
3h 55m
1 stop
MDW9:00 amChicago Midway
$359
Delta
Dec 22
MDW6:15 pmChicago Midway
4h 46m
1 stop
BUF12:01 amBuffalo
Dec 31
BUF6:00 amBuffalo
3h 49m
1 stop
MDW8:49 amChicago Midway
$370

momondo Fare Finder

 
Use the filters below to find and compare flights from Chicago 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

MDW Chicago Midway - BUF Buffalo

MDWBUF

Chicago Midway

Sat 12/19

8:35 pm-5:25 pm

1 stop19h 50m

Buffalo

Mon 12/21

6:02 pm-12:01 am

1 stop6h 59m

$222

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
Quickest round-trip

ChicagoBuffalo

MDW Chicago Midway - BUF Buffalo

MDWBUF

Chicago Midway

Thu 12/3

6:15 pm-8:55 pm

Nonstop1h 40m

Buffalo

Mon 12/7

2:00 pm-2:50 pm

Nonstop1h 50m

$317

ChicagoBuffalo

MDW Chicago Midway - BUF Buffalo

MDWBUF

Chicago Midway

Thu 12/3

6:15 pm-8:55 pm

Nonstop1h 40m

Buffalo

Mon 12/7

3:55 pm-6:55 pm

1 stop4h 00m

$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

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 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 and Buffalo?

Prices are currently low for flights on this route.

Typical prices usually range from $338 to $538.
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 during February instead. Flights to Buffalo in February, while not as cheap as those in January, still average around $355.

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 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 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 to Buffalo flight route?

Fly from Chicago Midway to Buffalo for the best Chicago - Buffalo flight prices

How far in advance should I book a flight from Chicago to Buffalo?

You are more likely to see cheaper flights to Buffalo from Chicago 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 for as low as $309 on momondo.

What cabin class options are available on Chicago to Buffalo flights?

There are 4 cabin classes available to choose from on Chicago 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 to Buffalo flights?

No. A direct flight is the cheapest option for a flight between Chicago to Buffalo.

How have Chicago to Buffalo flight prices changed over time?

As of November 2026, prices for Chicago to Buffalo flights are approximately 63% more expensive when compared to flights at the same time last year.

When to book flights from Chicago to Buffalo

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

Cheap Chicago to Buffalo (CHI to BUF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Buffalo

Best Price Found

$109

Fastest flight time

1h 25m

Direct flights

Every day

Airports in Buffalo

1 airport
The best one-way flight to Buffalo from Chicago in the past 72 hours is $109. The best round-trip flight deal from Chicago to Buffalo found on momondo in the last 72 hours is $218.
The fastest flight from Chicago to Buffalo takes 1h 25m
Direct flights go from Chicago to Buffalo every day.
There is 1 airport in Buffalo. From Chicago there are direct flights to Buffalo (BUF).

Frequently asked questions about flying from Chicago to Buffalo

  • How far is Chicago to Buffalo by plane?

    A flight from Chicago to Buffalo will travel around 451.4 mi. In terms of flight time, this usually takes a little over 1h 25m.

  • When did momondo last update prices for flights from Chicago to Buffalo Airport?

    Prices for flights from Chicago to Buffalo Airport are updated daily.

  • How many operators does momondo search for flights from Chicago to Buffalo Airport?

  • How old do you have to be to fly from Chicago to Buffalo Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Buffalo Airport.

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

    The travel and health documents you'll need for your trip to Buffalo Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Buffalo Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Chicago to Buffalo?

  • What is the most popular airline from Chicago to Buffalo?

Best airlines flying from Chicago to Buffalo

Compare and see reviews for airlines that fly from Chicago to Buffalo with momondo
Airline
Rating
Free Cancellation
Price
JetBluePriceFrom $98Free CancellationRating
7.1
3,067 reviews
Search JetBlue flights
American AirlinesPriceFrom $240Free CancellationRating
7.0
12,224 reviews
Search American Airlines flights
United AirlinesPriceFrom $260Free CancellationRating
7.3
10,471 reviews
Search United Airlines flights
SouthwestPriceFrom $281Free CancellationRating
8.0
4,219 reviews
Search Southwest flights
  • Southwest Flights From Chicago to Buffalo

    The lowest priced Southwest flight from Chicago to Buffalo from the last 72 hours was $281. Generally, Southwest has 12 flights on this route every week with an average price of $425. Southwest is rated 8.0/10 by our users.

  • United Airlines Flights From Chicago to Buffalo

    United Airlines is also a popular choice for this route. United Airlines flight deals for Chicago to Buffalo start from as low as $260 round-trip, depending on your selected dates, with average United Airlines deals seen on momondo around $435. United Airlines operates 14 flights to Buffalo from Chicago in an average week. Users have rated it 7.3/10 across 10,471 reviews.

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?

Finding the right flight to Buffalo from Chicago is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Buffalo quick and easy, saving you time and money.

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?

momondo provides multiple filters to help you find the best flight to Buffalo from Chicago. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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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1 adult
Thu 12/10
Thu 12/17

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