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

As of May 2026, there are 30 flights per day flying from Chicago to Buffalo. The most common time of day flights depart is 6:00PM, with 39% 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 49% 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.

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

Southwest, Delta, and United Airlines are the most popular carriers operating from Chicago to Buffalo

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

The number of flights available between Chicago and Buffalo is 212 per week as of May 2026. The most frequent departure day is Fri, with 17% of weekly flights leaving on this day.

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 May 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.

$81 Cheap Flights from Chicago to Buffalo in 2026

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1:50 pm - 1:53 pm

ORD

BUF

23h 03m

1 stop

2:50 pm - 8:03 am

BUF

ORD

18h 13m

1 stop

$158Frontier

Tue, Aug 11 - Mon, Aug 17

1:50 pm - 1:53 pm

ORD

BUF

23h 03m

1 stop

11:35 am - 7:53 am

BUF

ORD

21h 18m

1 stop

$172Frontier

Tue, Aug 11 - Sun, Aug 16

6:00 am - 1:55 pm

MDW

BUF

6h 55m

1 stop

11:50 am - 10:11 pm

BUF

MDW

11h 21m

1 stop

$198Frontier

Wed, Jun 24 - Tue, Jun 30

7:05 am - 1:53 pm

ORD

BUF

5h 48m

1 stop

2:50 pm - 7:53 am

BUF

ORD

18h 03m

1 stop

$198Frontier

Wed, Aug 12 - Fri, Aug 14

6:55 am - 10:40 am

ORD

BUF

26h 45m

1 stop

2:50 pm - 8:03 am

BUF

ORD

18h 13m

1 stop

$203Frontier

Wed, Jun 10 - Mon, Jun 15

6:00 am - 1:55 pm

MDW

BUF

6h 55m

1 stop

12:29 pm - 10:11 pm

BUF

MDW

10h 42m

1 stop

$204Frontier

Wed, Jul 1 - Sat, Jul 4

6:55 am - 1:55 pm

ORD

BUF

6h 00m

1 stop

12:29 pm - 7:50 pm

BUF

ORD

8h 21m

1 stop

$204Frontier

Wed, Jul 1 - Sat, Jul 4

6:55 am - 1:55 pm

ORD

BUF

6h 00m

1 stop

2:50 pm - 7:50 pm

BUF

ORD

6h 00m

1 stop

$209Frontier

Wed, Jun 24 - Mon, Jun 29

6:00 am - 1:55 pm

MDW

BUF

6h 55m

1 stop

2:50 pm - 10:11 pm

BUF

MDW

8h 21m

1 stop

$210Frontier

Wed, Jul 1 - Fri, Jul 3

6:55 am - 1:55 pm

ORD

BUF

6h 00m

1 stop

9:02 pm - 9:11 am

BUF

ORD

13h 09m

1 stop

$210Frontier

Wed, Jul 1 - Sun, Jul 5

Frontier flights from Chicago to Buffalo

Our best Frontier deals on Chicago to Buffalo flight tickets

Frontier

Aug 11

ORD1:50 pmChicago O'Hare Intl

23h 03m

1 stop

BUF1:53 pmBuffalo

Aug 17

BUF2:50 pmBuffalo

18h 13m

1 stop

ORD8:03 amChicago O'Hare Intl

$158

Frontier

Aug 11

ORD1:50 pmChicago O'Hare Intl

23h 03m

1 stop

BUF1:53 pmBuffalo

Aug 16

BUF11:35 amBuffalo

21h 18m

1 stop

ORD7:53 amChicago O'Hare Intl

$172

Frontier

Aug 12

ORD7:05 amChicago O'Hare Intl

5h 48m

1 stop

BUF1:53 pmBuffalo

Aug 14

BUF2:50 pmBuffalo

18h 03m

1 stop

ORD7:53 amChicago O'Hare Intl

$198

Delta flights from Chicago to Buffalo

Our best Delta deals on Chicago to Buffalo flight tickets

Delta

Jun 16

MDW6:58 pmChicago Midway

4h 01m

1 stop

BUF11:59 pmBuffalo

Jun 24

BUF6:29 amBuffalo

3h 45m

1 stop

MDW9:14 amChicago Midway

$277

Delta

Jun 18

MDW1:26 pmChicago Midway

4h 51m

1 stop

BUF7:17 pmBuffalo

Jun 20

BUF4:01 pmBuffalo

3h 10m

1 stop

MDW6:11 pmChicago Midway

$289

Delta

Aug 6

MDW6:42 pmChicago Midway

4h 16m

1 stop

BUF11:58 pmBuffalo

Aug 11

BUF6:12 amBuffalo

4h 05m

1 stop

MDW9:17 amChicago Midway

$294

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Tue 8/11

1:50 pm-1:53 pm

1 stop23h 03m

Buffalo

Mon 8/17

2:50 pm-8:03 am

1 stop18h 13m

$158

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Tue 8/11

1:50 pm-1:53 pm

1 stop23h 03m

Buffalo

Sun 8/16

11:35 am-7:53 am

1 stop21h 18m

$172

ChicagoBuffalo

MDW - BUF

MDWBUF

Chicago Midway

Wed 6/24

6:00 am-1:55 pm

1 stop6h 55m

Buffalo

Tue 6/30

11:50 am-10:11 pm

1 stop11h 21m

$198

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Wed 8/12

7:05 am-1:53 pm

1 stop5h 48m

Buffalo

Fri 8/14

2:50 pm-7:53 am

1 stop18h 03m

$198

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Wed 6/10

6:55 am-10:40 am

1 stop26h 45m

Buffalo

Mon 6/15

2:50 pm-8:03 am

1 stop18h 13m

$203

ChicagoBuffalo

MDW - BUF

MDWBUF

Chicago Midway

Wed 7/1

6:00 am-1:55 pm

1 stop6h 55m

Buffalo

Sat 7/4

12:29 pm-10:11 pm

1 stop10h 42m

$204

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Wed 7/1

6:55 am-1:55 pm

1 stop6h 00m

Buffalo

Sat 7/4

12:29 pm-7:50 pm

1 stop8h 21m

$204

Quickest round-trip

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Wed 6/24

6:55 am-1:55 pm

1 stop6h 00m

Buffalo

Mon 6/29

2:50 pm-7:50 pm

1 stop6h 00m

$209

ChicagoBuffalo

MDW - BUF

MDWBUF

Chicago Midway

Wed 7/1

6:00 am-1:55 pm

1 stop6h 55m

Buffalo

Fri 7/3

2:50 pm-10:11 pm

1 stop8h 21m

$210

ChicagoBuffalo

ORD - BUF

ORDBUF

Chicago O'Hare Intl

Wed 7/1

6:55 am-1:55 pm

1 stop6h 00m

Buffalo

Sun 7/5

9:02 pm-9:11 am

1 stop13h 09m

$210

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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 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 $313. Flights from Chicago to Buffalo on a Thursday will generally be more expensive and average around $368. 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 $315. 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 $353 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 $335 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 May 2026, prices for Chicago to Buffalo flights are approximately 61% 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	$174
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 $174. The best round-trip flight deal from Chicago to Buffalo found on momondo in the last 72 hours is $342.

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).

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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?
The number of operators available for flights from Chicago to Buffalo Airport is 5 as of May 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 17.12% of all bookings. The subsequent popular models are Embraer 175 at 15.59%, Canadair (Bombardier) Regional Jet CRJ-550 at 15.47%, and Boeing 737-800 at 11.72%.
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 41% of all bookings. The subsequent popular airlines are Southwest at 26%, United Airlines at 25%, 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 7.2 2,980 reviews	Search JetBlue flights
Frontier	PriceFrom $132	Free Cancellation	Rating 5.6 2,944 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 9,752 reviews	Search United Airlines flights
Southwest	PriceFrom $278	Free Cancellation	Rating 7.9 4,277 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 $361. United Airlines operates 18 flights to Buffalo from Chicago in an average week. Users have rated it 7.4/10 across 9,752 reviews.

Batavia

Cheektowaga

Amherst

Tonawanda

Grand Island

Williamsville

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.

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Cheap flights from Chicago to Buffalo from $81

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 8/26. 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 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.

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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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