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 48% of people opting to fly with this airline when traveling to Buffalo. Keep in mind that there are 5 different airlines that fly to Buffalo on a routine basis, so you have a few additional options to choose from.

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

As of June 2026, there are 36 flights per day flying from Chicago to Buffalo. The most common time of day flights depart is 7:00PM, with 60% of flights taking off in the evening.

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

The number of flights available between Chicago and Buffalo is 253 per week as of June 2026. The most frequent departure day is Fri, with 18% of weekly flights leaving on this day.

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

JetBlue, Southwest, and Frontier are the most popular carriers operating from Chicago to Buffalo

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 5 as of June 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.

$80 Cheap Flights from Chicago to Buffalo in 2026

Q: 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 $401 to $249. The lowest price recently found on this route was $159.

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Chicago to Buffalo

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 am - 2:59 pm

ORD

BUF

7h 59m

1 stop

4:02 pm - 9:58 pm

BUF

ORD

6h 56m

1 stop

$159JetBlue

Tue, Jul 14 - Sat, Jul 18

6:00 am - 2:55 pm

ORD

BUF

7h 55m

1 stop

9:15 am - 5:34 pm

BUF

ORD

9h 19m

1 stop

$160JetBlue

Tue, Jun 30 - Tue, Jul 14

6:00 am - 2:59 pm

ORD

BUF

7h 59m

1 stop

3:55 pm - 9:03 pm

BUF

ORD

6h 08m

1 stop

$161JetBlue

Tue, Jul 7 - Wed, Jul 8

6:00 am - 2:59 pm

ORD

BUF

7h 59m

1 stop

3:55 pm - 9:58 pm

BUF

ORD

7h 03m

1 stop

$162JetBlue

Tue, Jul 14 - Wed, Jul 15

5:22 pm - 12:13 am

ORD

BUF

5h 51m

1 stop

3:55 pm - 9:30 pm

BUF

ORD

6h 35m

1 stop

$167JetBlue

Fri, Jul 3 - Sat, Jul 4

5:27 pm - 12:13 am

ORD

BUF

5h 46m

1 stop

3:55 pm - 9:58 pm

BUF

ORD

7h 03m

1 stop

$169JetBlue

Sat, Jul 11 - Wed, Jul 15

9:35 am - 7:12 pm

ORD

BUF

8h 37m

1 stop

10:25 am - 4:16 pm

BUF

ORD

6h 51m

1 stop

$176JetBlue

Wed, Jul 1 - Sat, Jul 4

6:00 am - 2:57 pm

ORD

BUF

7h 57m

1 stop

3:52 pm - 9:55 pm

BUF

ORD

7h 03m

1 stop

$177JetBlue

Thu, Aug 6 - Tue, Aug 11

11:59 am - 10:40 am

MDW

BUF

21h 41m

1 stop

2:50 pm - 10:11 pm

BUF

MDW

8h 21m

1 stop

$208Frontier

Sat, Aug 22 - Wed, Aug 26

12:04 pm - 10:40 am

MDW

BUF

21h 36m

1 stop

12:29 pm - 10:11 pm

BUF

MDW

10h 42m

1 stop

$210Frontier

Wed, Aug 26 - Sat, Aug 29

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

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

Trusted and free

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

Price Alerts

Not ready to book? to track prices.

Search flight deals

Southwest flights from Chicago to Buffalo

Our best Southwest deals on Chicago to Buffalo flight tickets

Southwest

Jul 7

MDW7:50 amChicago Midway

1h 35m

BUF10:25 amBuffalo

Jul 8

BUF7:10 pmBuffalo

1h 40m

MDW7:50 pmChicago Midway

$253

Southwest

Aug 13

MDW3:15 pmChicago Midway

6h 00m

1 stop

BUF10:15 pmBuffalo

Aug 18

BUF6:25 pmBuffalo

1h 40m

MDW7:05 pmChicago Midway

$256

Southwest

Aug 25

MDW6:00 pmChicago Midway

1h 35m

BUF8:35 pmBuffalo

Aug 27

BUF7:10 pmBuffalo

1h 35m

MDW7:45 pmChicago Midway

$261

JetBlue flights from Chicago to Buffalo

Our best JetBlue deals on Chicago to Buffalo flight tickets

JetBlue

Jul 14

ORD6:00 amChicago O'Hare Intl

7h 59m

1 stop

BUF2:59 pmBuffalo

Jul 18

BUF4:02 pmBuffalo

6h 56m

1 stop

ORD9:58 pmChicago O'Hare Intl

$159

JetBlue

Jun 30

ORD6:00 amChicago O'Hare Intl

7h 55m

1 stop

BUF2:55 pmBuffalo

Jul 14

BUF9:15 amBuffalo

9h 19m

1 stop

ORD5:34 pmChicago O'Hare Intl

$160

JetBlue

Jul 7

ORD6:00 amChicago O'Hare Intl

7h 59m

1 stop

BUF2:59 pmBuffalo

Jul 8

BUF3:55 pmBuffalo

6h 08m

1 stop

ORD9:03 pmChicago O'Hare Intl

$161

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Tue 7/14

6:00 am-2:59 pm

1 stop7h 59m

Buffalo

Sat 7/18

4:02 pm-9:58 pm

1 stop6h 56m

$159

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Tue 6/30

6:00 am-2:55 pm

1 stop7h 55m

Buffalo

Tue 7/14

9:15 am-5:34 pm

1 stop9h 19m

$160

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Tue 7/7

6:00 am-2:59 pm

1 stop7h 59m

Buffalo

Wed 7/8

3:55 pm-9:03 pm

1 stop6h 08m

$161

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Tue 7/14

6:00 am-2:59 pm

1 stop7h 59m

Buffalo

Wed 7/15

3:55 pm-9:58 pm

1 stop7h 03m

$162

Quickest round-trip

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Fri 7/3

5:22 pm-12:13 am

1 stop5h 51m

Buffalo

Sat 7/4

3:55 pm-9:30 pm

1 stop6h 35m

$167

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Sat 7/11

5:27 pm-12:13 am

1 stop5h 46m

Buffalo

Wed 7/15

3:55 pm-9:58 pm

1 stop7h 03m

$169

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Wed 7/1

9:35 am-7:12 pm

1 stop8h 37m

Buffalo

Sat 7/4

10:25 am-4:16 pm

1 stop6h 51m

$176

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Thu 8/6

6:00 am-2:57 pm

1 stop7h 57m

Buffalo

Tue 8/11

3:52 pm-9:55 pm

1 stop7h 03m

$177

ChicagoBuffalo

MDW - BUF

MDWBUF

Chicago Midway

Sat 8/22

11:59 am-10:40 am

1 stop21h 41m

Buffalo

Wed 8/26

2:50 pm-10:11 pm

1 stop8h 21m

$208

ChicagoBuffalo

MDW - BUF

MDWBUF

Chicago Midway

Wed 8/26

12:04 pm-10:40 am

1 stop21h 36m

Buffalo

Sat 8/29

12:29 pm-10:11 pm

1 stop10h 42m

$210

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

Prices

Airlines

Other information

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 August, then book flights to Buffalo from Chicago during January instead. Flights to Buffalo in January, while not as cheap as those in August, still average around $98.

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 $322. Flights from Chicago to Buffalo on a Sunday will generally be more expensive and average around $375. 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 $366 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 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 $339 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 $254 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 June 2026, prices for Chicago to Buffalo flights are approximately 24% 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	$145
Fastest flight time	1h 30m
Direct flights	Every day
Airports in Buffalo	1 airport

The best one-way flight to Buffalo from Chicago in the past 72 hours is $145. The best round-trip flight deal from Chicago to Buffalo found on momondo in the last 72 hours is $348.

The fastest flight from Chicago to Buffalo takes 1h 30m

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

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 30m.
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 5 as of June 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 16.37% of all bookings. The subsequent popular models are Canadair (Bombardier) Regional Jet CRJ-550 at 14.95%, Embraer 175 at 14.62%, and Boeing 737-800 at 13.19%.
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 42% of all bookings. The subsequent popular airlines are United Airlines at 26%, Southwest at 24%, and Frontier at 9%.

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
JetBlue	PriceFrom $98	Free Cancellation	Rating 7.1 2,978 reviews	Search JetBlue flights
Frontier	PriceFrom $132	Free Cancellation	Rating 5.6 2,906 reviews	Search Frontier flights
American Airlines	PriceFrom $177	Free Cancellation	Rating 7.1 11,645 reviews	Search American Airlines flights
United Airlines	PriceFrom $206	Free Cancellation	Rating 7.4 9,781 reviews	Search United Airlines flights
Southwest	PriceFrom $278	Free Cancellation	Rating 7.9 4,251 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 15 flights on this route every week with an average price of $425. Southwest is rated 7.9/10 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 $206 round-trip, depending on your selected dates, with average United Airlines deals seen on momondo around $360. United Airlines operates 27 flights to Buffalo from Chicago in an average week. Users have rated it 7.4/10 across 9,781 reviews.

Batavia

Cheektowaga

Amherst

Tonawanda

Williamsville

Grand Island

Orchard Park

Bowmansville

West Seneca

Lockport

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.

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

Wed 7/8

Wed 7/15

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Nearby airports

Airlines

Cabin classes

Other United States destinations

Other flights from Chicago

Complete your trip

Feeling lucky

Cheap flights from Chicago to Buffalo from $80

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 7/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Chicago to Buffalo

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Southwest flights from Chicago to Buffalo

Our best Southwest deals on Chicago to Buffalo flight tickets

JetBlue flights from Chicago to Buffalo

Our best JetBlue deals on Chicago to Buffalo flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Chicago to Buffalo that are best for you.

See travel insights to Buffalo from

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 from Chicago to Buffalo?

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

Can stopping save me money 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

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

Best Price Found

Fastest flight time

Direct flights

Airports in Buffalo

Frequently asked questions about flying 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

Southwest Flights From Chicago to Buffalo

United Airlines Flights From Chicago to Buffalo

Traveling to a place near Buffalo?

Why use momondo?

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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing New York

Fly your favorite airline to Buffalo

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Buffalo

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

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Chicago

According to popular flight searches on momondo this year

Complete your trip to Buffalo

Explore popular destinations other users love

According to popular flight searches on momondo this year