How many flights depart from Chicago to Buffalo on average per week?

The number of flights available between Chicago and Buffalo is 157 per week as of March 2026. The most frequent departure day is Fri, with 17% of weekly flights leaving on this day.

What is the cheapest airline that flies from Chicago to Buffalo?

Frontier is the most popular carrier operating from Chicago to Buffalo

How many flights depart from Chicago to Buffalo on average per day?

As of March 2026, there are 22 flights per day flying from Chicago to Buffalo. The most common time of day flights depart is 8:00PM, with 54% of flights taking off in the evening.

What airlines fly to Buffalo?

American Airlines, United Airlines and Southwest are the top three most popular airlines that fly to Buffalo from Chicago according to our data. American Airlines is the first choice among our users, with 51% of people opting to fly with this airline when traveling to Buffalo. Keep in mind that there are 4 different airlines that fly to Buffalo on a routine basis, so you have a few additional options to choose from.

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?

The number of operators available for flights from Chicago to Buffalo Airport is 4 as of March 2026.

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.

$63 Cheap Flights from Chicago to Buffalo in 2026

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Find the cheapest flights from Chicago to Buffalo

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One-way

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7:34 pm - 11:09 am

MDW

BUF

14h 35m

1 stop

1:11 pm - 6:37 pm

BUF

MDW

6h 26m

1 stop

$132Frontier

Sat, Apr 25 - Sat, May 2

7:34 pm - 11:09 am

MDW

BUF

14h 35m

1 stop

1:11 pm - 6:37 pm

BUF

MDW

6h 26m

1 stop

$133Frontier

Sat, Apr 25 - Sat, May 2

9:16 am - 11:09 am

ORD

BUF

24h 53m

1 stop

1:11 pm - 10:39 pm

BUF

ORD

10h 28m

1 stop

$142Multiple Airlines

Sat, Apr 25 - Sat, May 2

9:16 am - 11:09 am

ORD

BUF

24h 53m

1 stop

1:11 pm - 10:39 pm

BUF

ORD

10h 28m

1 stop

$143Multiple Airlines

Sat, Apr 25 - Sat, May 2

12:47 pm - 11:13 am

ORD

BUF

21h 26m

2 stops

1:11 pm - 10:39 pm

BUF

ORD

10h 28m

1 stop

$177Multiple Airlines

Thu, Apr 16 - Sat, Apr 18

11:07 am - 11:40 am

ORD

BUF

23h 33m

1 stop

1:56 pm - 10:23 am

BUF

ORD

21h 27m

1 stop

$179Multiple Airlines

Wed, Apr 22 - Wed, Apr 29

5:50 am - 12:13 pm

ORD

BUF

5h 23m

1 stop

8:18 pm - 11:01 pm

BUF

ORD

27h 43m

1 stop

$180Frontier

Sat, Apr 25 - Sun, Apr 26

4:28 pm - 11:13 am

ORD

BUF

17h 45m

1 stop

1:11 pm - 10:39 pm

BUF

ORD

10h 28m

1 stop

$184Frontier

Thu, Apr 16 - Sat, Apr 18

2:15 pm - 12:42 pm

MDW

BUF

21h 27m

1 stop

12:32 pm - 11:12 am

BUF

MDW

23h 40m

1 stop

$186Frontier

Mon, Apr 27 - Mon, May 4

12:50 pm - 3:20 pm

MDW

BUF

1h 30mnonstop

8:00 pm - 8:40 pm

BUF

MDW

1h 40mnonstop

$254Southwest

Tue, Apr 21 - Thu, Apr 23

Frontier flights from Chicago to Buffalo

Our best Frontier deals on Chicago to Buffalo flight tickets

Frontier

Apr 25

MDW7:34 pmChicago Midway

14h 35m

1 stop

BUF11:09 amBuffalo

May 2

BUF1:11 pmBuffalo

6h 26m

1 stop

MDW6:37 pmChicago Midway

$132

Frontier

Apr 25

MDW7:34 pmChicago Midway

14h 35m

1 stop

BUF11:09 amBuffalo

May 2

BUF1:11 pmBuffalo

6h 26m

1 stop

MDW6:37 pmChicago Midway

$133

Frontier

Apr 25

ORD5:50 amChicago O'Hare Intl

5h 23m

1 stop

BUF12:13 pmBuffalo

Apr 26

BUF8:18 pmBuffalo

27h 43m

1 stop

ORD11:01 pmChicago O'Hare Intl

$180

United Airlines flights from Chicago to Buffalo

Our best United Airlines deals on Chicago to Buffalo flight tickets

United Airlines

May 27

ORD6:17 pmChicago O'Hare Intl

1h 46m

BUF9:03 pmBuffalo

Jun 10

BUF5:52 pmBuffalo

1h 59m

ORD6:51 pmChicago O'Hare Intl

$237

United Airlines

Apr 9

ORD6:02 pmChicago O'Hare Intl

1h 41m

BUF8:43 pmBuffalo

Apr 16

BUF7:00 amBuffalo

1h 57m

ORD7:57 amChicago O'Hare Intl

$271

United Airlines

Mar 29

ORD6:01 pmChicago O'Hare Intl

4h 49m

1 stop

BUF11:50 pmBuffalo

Apr 1

BUF6:00 pmBuffalo

2h 05m

ORD7:05 pmChicago O'Hare Intl

$373

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoBuffalo

MDW - BUF

MDWBUF

Chicago Midway

Sat 4/25

7:34 pm-11:09 am

1 stop14h 35m

Buffalo

Sat 5/2

1:11 pm-6:37 pm

1 stop6h 26m

$132

ChicagoBuffalo

MDW - BUF

MDWBUF

Chicago Midway

Sat 4/25

7:34 pm-11:09 am

1 stop14h 35m

Buffalo

Sat 5/2

1:11 pm-6:37 pm

1 stop6h 26m

$133

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Sat 4/25

9:16 am-11:09 am

1 stop24h 53m

Buffalo

Sat 5/2

1:11 pm-10:39 pm

1 stop10h 28m

$142

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Sat 4/25

9:16 am-11:09 am

1 stop24h 53m

Buffalo

Sat 5/2

1:11 pm-10:39 pm

1 stop10h 28m

$143

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Thu 4/16

12:47 pm-11:13 am

2 stops21h 26m

Buffalo

Sat 4/18

1:11 pm-10:39 pm

1 stop10h 28m

$177

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Wed 4/22

11:07 am-11:40 am

1 stop23h 33m

Buffalo

Wed 4/29

1:56 pm-10:23 am

1 stop21h 27m

$179

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Sat 4/25

5:50 am-12:13 pm

1 stop5h 23m

Buffalo

Sun 4/26

8:18 pm-11:01 pm

1 stop27h 43m

$180

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Thu 4/16

4:28 pm-11:13 am

1 stop17h 45m

Buffalo

Sat 4/18

1:11 pm-10:39 pm

1 stop10h 28m

$184

ChicagoBuffalo

MDW - BUF

MDWBUF

Chicago Midway

Mon 4/27

2:15 pm-12:42 pm

1 stop21h 27m

Buffalo

Mon 5/4

12:32 pm-11:12 am

1 stop23h 40m

$186

Quickest round-trip

ChicagoBuffalo

MDW - BUF

MDWBUF

Chicago Midway

Tue 4/21

12:50 pm-3:20 pm

Nonstop1h 30m

Buffalo

Thu 4/23

8:00 pm-8:40 pm

Nonstop1h 40m

$254

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 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

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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 $280.

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 $295. Flights from Chicago to Buffalo on a Sunday will generally be more expensive and average around $348. 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 $318. 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 $346 per ticket.

What is the cheapest Chicago to Buffalo flight route?

Fly from Chicago O'Hare Intl 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 $313 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 $250 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.

How have Chicago to Buffalo flight prices changed over time?

As of March 2026, prices for Chicago to Buffalo flights are approximately 28% 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

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Best Price Found	$184
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 $184. The best round-trip flight deal from Chicago to Buffalo found on momondo in the last 72 hours is $295.

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).

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?
The number of operators available for flights from Chicago to Buffalo Airport is 4 as of March 2026.
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?
momondo data reveals that the most frequently booked plane model on the route from Chicago to Buffalo is Airbus A319, representing 18.83% of all bookings. The subsequent popular models are Embraer 175 at 17.33%, Canadair (Bombardier) Regional Jet CRJ-550 at 16.67%, and Boeing 737-800 at 8.17%.
What is the most popular airline from Chicago to Buffalo?
momondo data reveals that the most frequently booked airline on the route from Chicago to Buffalo is American Airlines, representing 40% of all bookings. The subsequent popular airlines are Southwest at 28%, United Airlines at 23%, and Frontier at 8%.

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
Frontier	PriceFrom $132	Free Cancellation	Rating 5.7 3,032 reviews	Search Frontier flights
American Airlines	PriceFrom $177	Free Cancellation	Rating 7.1 11,472 reviews	Search American Airlines flights
United Airlines	PriceFrom $197	Free Cancellation	Rating 7.4 9,427 reviews	Search United Airlines flights
Southwest	PriceFrom $278	Free Cancellation	Rating 8.0 4,318 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 $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 $197 round-trip, depending on your selected dates, with average United Airlines deals seen on momondo around $352. United Airlines operates 17 flights to Buffalo from Chicago in an average week. Users have rated it 7.4/10 across 9,428 reviews.

Batavia

Cheektowaga

Amherst

Grand Island

Tonawanda

Orchard Park

Williamsville

Lockport

West Seneca

Bowmansville

East Aurora

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.

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Cheap flights from Chicago to Buffalo from $63

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 4/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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How to get the cheapest flight ticket from Chicago to Buffalo

What is the typical price of a round-trip flight between Chicago 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 to Buffalo flight route?

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

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

How have Chicago to Buffalo flight prices changed over time?

What is the cheapest airline that flies from Chicago to Buffalo?

What airlines fly to Buffalo?

How many flights depart from Chicago to Buffalo on average per day?

How many flights depart from Chicago to Buffalo on average per week?

When to book flights from Chicago to Buffalo

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

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An easier way to manage your Buffalo trip

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

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