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

As of November 2026, 169 flights take off from Illinois and land in Buffalo each week. The most common flight departure day for this route is Mon, with 20% of weekly flights taking off on this day.

How long does it take to fly to Buffalo?

On average, it takes 1h 32m to fly from Illinois to Buffalo if you fly out of Chicago (the most popular airport in Illinois) and into Buffalo (the most popular airport in Buffalo). If you’re flying out of Moline and into Buffalo, then the flight time is around 3h 45m.

What airlines fly to Buffalo?

United Airlines, American Airlines and Southwest are the top three most popular airlines that fly to Buffalo from Illinois according to our data. United Airlines is the first choice among our users, with 52% 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.

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

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

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

The number of flights available between Illinois and Buffalo is 24 per day as of November 2026. The most frequent departure time is 2:00PM, with 40% of daily flights leaving in the afternoon.

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

Prices for flights from Illinois to Buffalo Airport are refreshed on a daily basis.

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

As of November 2026, there are 4 operators available to choose from for flights from Illinois to Buffalo Airport.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Illinois 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.

$104 Cheap Flights from Illinois to Buffalo in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Illinois to Buffalo

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:35 pm - 5:25 pmMDW Chicago Midway-BUF Buffalo

19h 50m1 stop Orlando

6:02 pm - 12:01 amBUF Buffalo-MDW Chicago Midway

6h 59m1 stop Atlanta Hartsfield-Jackson

$217Frontier

Sat, Dec 19 - Mon, Dec 21

5:40 am - 8:24 pmORD Chicago O'Hare Intl-BUF Buffalo

13h 44m1 stop Orlando

1:15 pm - 6:03 pmBUF Buffalo-ORD Chicago O'Hare Intl

5h 48m1 stop Atlanta Hartsfield-Jackson

$236Frontier

Fri, Nov 27 - Fri, Dec 4

7:05 pm - 9:55 pmORD Chicago O'Hare Intl-BUF Buffalo

1h 50mnonstop

11:26 am - 12:58 pmBUF Buffalo-ORD Chicago O'Hare Intl

2h 32mnonstop

$316American Airlines

Thu, Dec 3 - Mon, Dec 7

8:00 am - 10:45 amORD Chicago O'Hare Intl-BUF Buffalo

1h 45mnonstop

7:52 am - 9:03 amBUF Buffalo-ORD Chicago O'Hare Intl

2h 11mnonstop

$317American Airlines

Mon, Nov 23 - Wed, Nov 25

6:40 pm - 9:15 pmMDW Chicago Midway-BUF Buffalo

1h 35mnonstop

4:00 pm - 4:45 pmBUF Buffalo-MDW Chicago Midway

1h 45mnonstop

$317Southwest

Fri, Nov 20 - Mon, Nov 23

1:25 pm - 4:00 pmMDW Chicago Midway-BUF Buffalo

1h 35mnonstop

6:55 pm - 7:45 pmBUF Buffalo-MDW Chicago Midway

1h 50mnonstop

$317Southwest

Thu, Dec 3 - Fri, Dec 4

7:00 am - 9:48 amORD Chicago O'Hare Intl-BUF Buffalo

1h 48mnonstop

5:35 pm - 6:54 pmBUF Buffalo-ORD Chicago O'Hare Intl

2h 19mnonstop

$317United Airlines

Mon, Dec 21 - Mon, Dec 21

5:59 pm - 8:56 pmORD Chicago O'Hare Intl-BUF Buffalo

1h 57mnonstop

6:30 am - 7:44 amBUF Buffalo-ORD Chicago O'Hare Intl

2h 14mnonstop

$317United Airlines

Thu, Dec 3 - Fri, Dec 4

5:30 pm - 7:20 pmORD Chicago O'Hare Intl-BUF Buffalo

24h 50m1 stop Boston Logan Intl

2:10 pm - 4:42 pmBUF Buffalo-ORD Chicago O'Hare Intl

27h 32m1 stop Boston Logan Intl

$599JetBlue

Fri, Nov 20 - Mon, Nov 30

2:55 pm - 10:00 amORD Chicago O'Hare Intl-BUF Buffalo

18h 05m1 stop Boston Logan Intl

7:30 am - 1:49 pmBUF Buffalo-ORD Chicago O'Hare Intl

7h 19m1 stop Boston Logan Intl

$638JetBlue

Fri, Jan 15 - Sun, Jan 24

Cheap last minute flights

Enter your travel dates to find the best prices.

7:50 pm - 7:07 amORD Chicago O'Hare Intl-BUF Buffalo

10h 17m1 stop Atlanta Hartsfield-Jackson

1:15 pm - 10:00 pmBUF Buffalo-ORD Chicago O'Hare Intl

9h 45m1 stop Atlanta Hartsfield-Jackson

$281Frontier

Thu, Nov 5 - Wed, Dec 9

3:19 pm - 6:05 pmORD Chicago O'Hare Intl-BUF Buffalo

1h 46mnonstop

11:26 am - 12:58 pmBUF Buffalo-ORD Chicago O'Hare Intl

2h 32mnonstop

$407American Airlines

Wed, Nov 4 - Mon, Dec 7

2:31 pm - 10:33 pmORD Chicago O'Hare Intl-BUF Buffalo

7h 02m1 stop New York LaGuardia

11:26 am - 12:58 pmBUF Buffalo-ORD Chicago O'Hare Intl

2h 32mnonstop

$417American Airlines

Wed, Nov 4 - Mon, Dec 7

8:36 am - 5:28 pmORD Chicago O'Hare Intl-BUF Buffalo

7h 52m1 stop New York LaGuardia

6:00 am - 1:09 pmBUF Buffalo-ORD Chicago O'Hare Intl

8h 09m1 stop New York LaGuardia

$427Delta

Wed, Nov 4 - Mon, Dec 7

6:50 am - 9:42 amORD Chicago O'Hare Intl-BUF Buffalo

1h 52mnonstop

6:30 am - 7:33 amBUF Buffalo-ORD Chicago O'Hare Intl

2h 03mnonstop

$497United Airlines

Wed, Nov 4 - Thu, Nov 5

5:51 pm - 8:36 pmORD Chicago O'Hare Intl-BUF Buffalo

1h 45mnonstop

6:30 am - 7:33 amBUF Buffalo-ORD Chicago O'Hare Intl

2h 03mnonstop

$497United Airlines

Thu, Nov 5 - Sun, Nov 8

12:55 pm - 3:25 pmMDW Chicago Midway-BUF Buffalo

1h 30mnonstop

7:10 pm - 8:00 pmBUF Buffalo-MDW Chicago Midway

1h 50mnonstop

$497Southwest

Fri, Nov 6 - Mon, Nov 9

1:25 pm - 4:00 pmMDW Chicago Midway-BUF Buffalo

1h 35mnonstop

4:00 pm - 4:45 pmBUF Buffalo-MDW Chicago Midway

1h 45mnonstop

$497Southwest

Tue, Nov 10 - Fri, Nov 13

8:15 pm - 11:07 amORD Chicago O'Hare Intl-BUF Buffalo

13h 52m1 stop Boston Logan Intl

6:55 am - 7:17 pmBUF Buffalo-ORD Chicago O'Hare Intl

13h 22m1 stop Boston Logan Intl

$912JetBlue

Mon, Nov 9 - Thu, Nov 12

8:15 pm - 11:07 amORD Chicago O'Hare Intl-BUF Buffalo

13h 52m1 stop Boston Logan Intl

7:35 am - 11:36 pmBUF Buffalo-ORD Chicago O'Hare Intl

17h 01m1 stop Fort Lauderdale

$941JetBlue

Fri, Nov 6 - Mon, Nov 9

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Frontier flights from Illinois to Buffalo

Our best Frontier deals on Illinois to Buffalo flight tickets

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

$217

Frontier

Nov 27

ORD5:40 amChicago O'Hare Intl

13h 44m

1 stop

BUF8:24 pmBuffalo

Dec 4

BUF1:15 pmBuffalo

5h 48m

1 stop

ORD6:03 pmChicago O'Hare Intl

$236

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

$239

Southwest flights from Illinois to Buffalo

Our best Southwest deals on Illinois to Buffalo flight tickets

Southwest

Dec 3

MDW6:15 pmChicago Midway

1h 40m

BUF8:55 pmBuffalo

Dec 7

BUF2:00 pmBuffalo

1h 50m

MDW2:50 pmChicago Midway

$317

Southwest

Dec 3

MDW6:15 pmChicago Midway

1h 40m

BUF8:55 pmBuffalo

Dec 7

BUF3:55 pmBuffalo

4h 00m

1 stop

MDW6:55 pmChicago Midway

$327

Southwest

Dec 3

MDW7:35 amChicago Midway

6h 40m

2 stops

BUF3:15 pmBuffalo

Dec 7

BUF6:55 pmBuffalo

1h 50m

MDW7:45 pmChicago Midway

$332

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

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

$217

ChicagoBuffalo

ORD Chicago O'Hare Intl - BUF Buffalo

ORDBUF

Chicago O'Hare Intl

Fri 11/27

5:40 am-8:24 pm

1 stop13h 44m

Buffalo

Fri 12/4

1:15 pm-6:03 pm

1 stop5h 48m

$236

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

$316

ChicagoBuffalo

ORD Chicago O'Hare Intl - BUF Buffalo

ORDBUF

Chicago O'Hare Intl

Mon 11/23

8:00 am-10:45 am

Nonstop1h 45m

Buffalo

Wed 11/25

7:52 am-9:03 am

Nonstop2h 11m

$317

Quickest round-trip

ChicagoBuffalo

MDW Chicago Midway - BUF Buffalo

MDWBUF

Chicago Midway

Fri 11/20

6:40 pm-9:15 pm

Nonstop1h 35m

Buffalo

Mon 11/23

4:00 pm-4:45 pm

Nonstop1h 45m

$317

ChicagoBuffalo

MDW Chicago Midway - BUF Buffalo

MDWBUF

Chicago Midway

Thu 12/3

1:25 pm-4:00 pm

Nonstop1h 35m

Buffalo

Fri 12/4

6:55 pm-7:45 pm

Nonstop1h 50m

$317

ChicagoBuffalo

ORD Chicago O'Hare Intl - BUF Buffalo

ORDBUF

Chicago O'Hare Intl

Mon 12/21

7:00 am-9:48 am

Nonstop1h 48m

Buffalo

Mon 12/21

5:35 pm-6:54 pm

Nonstop2h 19m

$317

ChicagoBuffalo

ORD Chicago O'Hare Intl - BUF Buffalo

ORDBUF

Chicago O'Hare Intl

Thu 12/3

5:59 pm-8:56 pm

Nonstop1h 57m

Buffalo

Fri 12/4

6:30 am-7:44 am

Nonstop2h 14m

$317

ChicagoBuffalo

ORD Chicago O'Hare Intl - BUF Buffalo

ORDBUF

Chicago O'Hare Intl

Fri 11/20

5:30 pm-7:20 pm

1 stop24h 50m

Buffalo

Mon 11/30

2:10 pm-4:42 pm

1 stop27h 32m

$599

ChicagoBuffalo

ORD Chicago O'Hare Intl - BUF Buffalo

ORDBUF

Chicago O'Hare Intl

Fri 1/15

2:55 pm-10:00 am

1 stop18h 05m

Buffalo

Sun 1/24

7:30 am-1:49 pm

1 stop7h 19m

$638

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 Illinois 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 cheapest month to fly to Buffalo?

If you aren’t able to travel during the month of January, then book flights to Buffalo from Illinois 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 $350. Flights from Illinois to Buffalo on a Monday will generally be more expensive and average around $472. 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 Illinois to Buffalo when you can find flight prices for as low as $363. 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 $468 per ticket.

What is the cheapest Illinois to Buffalo flight route?

Fly from Chicago O'Hare Intl to Buffalo for the best Illinois - Buffalo flight prices

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

You are more likely to see cheaper flights to Buffalo from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Buffalo for around $389 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Buffalo from Illinois for as low as $309 on momondo.

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

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

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

Cheap Illinois to Buffalo flight deals and tips

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

Best Price Found	$104
Fastest flight time	1h 30m
Direct flights	Every day
Airports in Buffalo	1 airport

The best one-way flight to Buffalo from Illinois in the past 72 hours is $104. The best round-trip flight deal from Illinois to Buffalo found on momondo in the last 72 hours is $217.

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

Direct flights go from Illinois to Buffalo every day.

There is 1 airport in Buffalo. From Illinois there are direct flights to Buffalo (BUF).

Search flight deals

Frequently asked questions about flying from Illinois to Buffalo

When did momondo last update prices for flights from Illinois to Buffalo Airport?
Prices for flights from Illinois to Buffalo Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Illinois to Buffalo Airport?
As of November 2026, there are 4 operators available to choose from for flights from Illinois to Buffalo Airport.
How old do you have to be to fly from Illinois to Buffalo Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Illinois 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 Illinois to Buffalo?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Illinois to Buffalo is Boeing 737-800 (16.94% of total bookings). The next most popular plane models are Embraer 175 (16.12%), Airbus A319 (16.04%), and Canadair (Bombardier) Regional Jet CRJ-550 (15.71%).

Best airlines flying from Illinois to Buffalo

Compare and see reviews for airlines that fly from Illinois to Buffalo with momondo

Airline	Rating	Free Cancellation	Price
JetBlue	PriceFrom $98	Free Cancellation	Rating 7.1 3,065 reviews	Search JetBlue flights
American Airlines	PriceFrom $240	Free Cancellation	Rating 7.0 12,231 reviews	Search American Airlines flights
United Airlines	PriceFrom $251	Free Cancellation	Rating 7.3 10,460 reviews	Search United Airlines flights
Southwest	PriceFrom $281	Free Cancellation	Rating 8.0 4,214 reviews	Search Southwest flights

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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 Illinois to Buffalo?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Buffalo from Illinois.

Can I find flights from Illinois to Buffalo with flexible booking policies on momondo?

momondo does allow users to show only those flights to Buffalo from Illinois which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Illinois to Buffalo?

Once all potential Illinois to Buffalo flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Illinois to Buffalo right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Illinois to Buffalo now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Buffalo and let you know when they change.

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Cheap flights from Illinois to Buffalo from $104

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Buffalo departing on 12/16. 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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Frontier flights from Illinois to Buffalo

Our best Frontier deals on Illinois to Buffalo flight tickets

Southwest flights from Illinois to Buffalo

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How to get the cheapest flight ticket from Illinois to 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 Illinois to Buffalo flight route?

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

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

Can stopping save me money on Illinois to Buffalo flights?

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

What airlines fly to Buffalo?

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

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

How long does it take to fly to Buffalo?

Cheap Illinois to Buffalo flight deals and tips

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Airports in Buffalo

Frequently asked questions about flying from Illinois to Buffalo

Best airlines flying from Illinois to Buffalo

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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.

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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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