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Cheap flights from Chicago 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 to Buffalo departing on 1/15. 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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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
3:10 pm - 11:51 amMDW-BUF
19h 41m1 stop
Frontier Logo
12:35 pm - 6:08 pmBUF-MDW
6h 33m1 stop
$152Frontier
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Thu, Dec 4 - Thu, Dec 11
Frontier Logo
7:23 pm - 10:45 amMDW-BUF
14h 22m1 stop
Frontier Logo
11:40 am - 10:12 pmBUF-MDW
11h 32m1 stop
$180Frontier
Find Deal
Thu, Dec 11 - 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
$193JetBlue
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Wed, Dec 3 - Wed, Dec 10
JetBlue Logo
11:25 am - 5:24 pmORD-BUF
4h 59m1 stop
JetBlue Logo
11:48 am - 7:43 pmBUF-ORD
8h 55m1 stop
$196JetBlue
Find Deal
Thu, Dec 4 - Sun, Dec 7
American Airlines Logo
7:04 am - 9:44 amORD-BUF
1h 40mnonstop
American Airlines Logo
2:50 pm - 4:03 pmBUF-ORD
2h 13mnonstop
$224American Airlines
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Thu, Dec 4 - Sun, Dec 7
American Airlines Logo
8:59 pm - 11:39 pmORD-BUF
1h 40mnonstop
American Airlines Logo
11:26 am - 7:24 pmBUF-ORD
8h 58m1 stop
$228American Airlines
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Tue, Dec 9 - Wed, Dec 17
United Airlines Logo
7:10 am - 9:48 amORD-BUF
1h 38mnonstop
United Airlines Logo
5:41 pm - 6:48 pmBUF-ORD
2h 07mnonstop
$236United Airlines
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Fri, Dec 12 - Thu, Jan 1
Southwest Logo
5:10 am - 12:00 pmMDW-BUF
5h 50m1 stop
Southwest Logo
6:25 pm - 7:10 pmBUF-MDW
1h 45mnonstop
$246Southwest
Find Deal
Fri, Dec 12 - Thu, Jan 1
Southwest Logo
6:10 pm - 8:40 pmMDW-BUF
1h 30mnonstop
Southwest Logo
6:15 am - 7:05 amBUF-MDW
1h 50mnonstop
$273Southwest
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Thu, Dec 4 - Thu, Dec 11
United Airlines Logo
10:35 am - 1:12 pmORD-BUF
1h 37mnonstop
United Airlines Logo
7:00 am - 8:05 amBUF-ORD
2h 05mnonstop
$283United Airlines
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Thu, Dec 4 - Sun, Dec 7

Frontier flights from Chicago to Buffalo

Our best Frontier deals on Chicago to Buffalo flight tickets
Frontier
Dec 4
MDW3:10 pmChicago Midway
19h 41m
1 stop
BUF11:51 amBuffalo
Dec 11
BUF12:35 pmBuffalo
6h 33m
1 stop
MDW6:08 pmChicago Midway
$152
Find similar
Frontier
Dec 11
MDW7:23 pmChicago Midway
14h 22m
1 stop
BUF10:45 amBuffalo
Dec 15
BUF11:40 amBuffalo
11h 32m
1 stop
MDW10:12 pmChicago Midway
$180
Find similar
Frontier
Dec 4
ORD11:44 amChicago O'Hare Intl
22h 01m
1 stop
BUF10:45 amBuffalo
Dec 11
BUF12:35 pmBuffalo
10h 49m
1 stop
ORD10:24 pmChicago O'Hare Intl
$181
Find similar

Southwest flights from Chicago to Buffalo

Our best Southwest deals on Chicago to Buffalo flight tickets
Southwest
Dec 12
MDW5:10 amChicago Midway
5h 50m
1 stop
BUF12:00 pmBuffalo
Jan 1
BUF6:25 pmBuffalo
1h 45m
MDW7:10 pmChicago Midway
$246
Find similar
Southwest
Dec 4
MDW6:10 pmChicago Midway
1h 30m
BUF8:40 pmBuffalo
Dec 11
BUF6:15 amBuffalo
1h 50m
MDW7:05 amChicago Midway
$273
Find similar
Southwest
Dec 4
MDW6:10 pmChicago Midway
1h 30m
BUF8:40 pmBuffalo
Dec 11
BUF12:10 pmBuffalo
7h 15m
1 stop
MDW6:25 pmChicago Midway
$283
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago 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 6, 2025.
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

ChicagoBuffalo

MDW - BUF

MDWBUF

Chicago Midway

Thu 12/4

3:10 pm-11:51 am

1 stop19h 41m

Buffalo

Thu 12/11

12:35 pm-6:08 pm

1 stop6h 33m

$152

ChicagoBuffalo

MDW - BUF

MDWBUF

Chicago Midway

Thu 12/11

7:23 pm-10:45 am

1 stop14h 22m

Buffalo

Mon 12/15

11:40 am-10:12 pm

1 stop11h 32m

$180

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Wed 12/3

7:00 am-3:59 pm

1 stop7h 59m

Buffalo

Wed 12/10

5:00 pm-9:52 pm

1 stop5h 52m

$193

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Thu 12/4

11:25 am-5:24 pm

1 stop4h 59m

Buffalo

Sun 12/7

11:48 am-7:43 pm

1 stop8h 55m

$196

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Thu 12/4

7:04 am-9:44 am

Nonstop1h 40m

Buffalo

Sun 12/7

2:50 pm-4:03 pm

Nonstop2h 13m

$224

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Tue 12/9

8:59 pm-11:39 pm

Nonstop1h 40m

Buffalo

Wed 12/17

11:26 am-7:24 pm

1 stop8h 58m

$228

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Fri 12/12

7:10 am-9:48 am

Nonstop1h 38m

Buffalo

Thu 1/1

5:41 pm-6:48 pm

Nonstop2h 07m

$236

ChicagoBuffalo

MDW - BUF

MDWBUF

Chicago Midway

Fri 12/12

5:10 am-12:00 pm

1 stop5h 50m

Buffalo

Thu 1/1

6:25 pm-7:10 pm

Nonstop1h 45m

$246

ChicagoBuffalo

MDW - BUF

MDWBUF

Chicago Midway

Thu 12/4

6:10 pm-8:40 pm

Nonstop1h 30m

Buffalo

Thu 12/11

6:15 am-7:05 am

Nonstop1h 50m

$273

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Thu 12/4

10:35 am-1:12 pm

Nonstop1h 37m

Buffalo

Sun 12/7

7:00 am-8:05 am

Nonstop2h 05m

$283

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?

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 during August instead. Flights to Buffalo in August, while not as cheap as those in September, still average around $291.

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 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 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 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 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 $332 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 $265 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 2025, prices for Chicago to Buffalo flights are approximately 209% 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

$212

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 $212. The best round-trip flight deal from Chicago to Buffalo found on momondo in the last 72 hours is $319.
The fastest flight from Chicago to Buffalo takes 1h 25m
Direct flights go from Chicago to Buffalo every day.
There is 1 airport near Buffalo: Buffalo (BUF)
Search flight deals

  • 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
FrontierPriceFrom $132Free CancellationRating
5.8
3,116 reviews
Search Frontier flights
American AirlinesPriceFrom $177Free CancellationRating
7.2
11,040 reviews
Search American Airlines flights
United AirlinesPriceFrom $197Free CancellationRating
7.4
9,007 reviews
Search United Airlines flights
SouthwestPriceFrom $278Free CancellationRating
8.0
4,241 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 $278. Generally, Southwest has 13 flights on this route every week with an average price of $398. 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 $197 round-trip, depending on your selected dates, with average United Airlines deals seen on momondo around $371. United Airlines operates 24 flights to Buffalo from Chicago in an average week. Users have rated it 7.4/10 across 9,007 reviews.

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?

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

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