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Cheap flights from Illinois to Buffalo from $77

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Illinois to Buffalo

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
6:00 am - 2:27 pmSTL  Lambert-St Louis-BUF Buffalo
7h 27m1 stop Philadelphia
American Airlines Logo
5:50 pm - 12:19 amBUF  Buffalo-STL Lambert-St Louis
7h 29m1 stop Chicago O'Hare Intl
$227American Airlines
Sat, Oct 17 - Sat, Oct 24
American Airlines Logo
6:00 am - 12:46 pmSTL  Lambert-St Louis-BUF Buffalo
5h 46m1 stop Philadelphia
American Airlines Logo
8:00 am - 12:35 pmBUF  Buffalo-STL Lambert-St Louis
5h 35m1 stop Chicago O'Hare Intl
$227American Airlines
Wed, Oct 14 - Wed, Oct 21
Southwest Logo
2:20 pm - 10:25 pmSTL  Lambert-St Louis-BUF Buffalo
7h 05m2 stops Atlanta Hartsfield-Jackson Baltimore/Washington
Southwest Logo
8:00 am - 11:35 amBUF  Buffalo-STL Lambert-St Louis
4h 35m1 stop Baltimore/Washington
$232Southwest
Wed, Oct 14 - Wed, Oct 21
Southwest Logo
2:20 pm - 10:25 pmSTL  Lambert-St Louis-BUF Buffalo
7h 05m2 stops Atlanta Hartsfield-Jackson Baltimore/Washington
Southwest Logo
12:35 pm - 7:00 pmBUF  Buffalo-STL Lambert-St Louis
7h 25m2 stops Baltimore/Washington Nashville Intl
$238Southwest
Wed, Oct 14 - Wed, Oct 21
Frontier Logo
6:15 am - 12:59 pmMDW  Chicago Midway-BUF Buffalo
5h 44m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
1:44 pm - 11:43 pmBUF  Buffalo-MDW Chicago Midway
10h 59m1 stop Atlanta Hartsfield-Jackson
$246Frontier
Fri, Oct 23 - Mon, Oct 26
Frontier Logo
6:15 am - 6:46 pmORD  Chicago O'Hare Intl-BUF Buffalo
11h 31m1 stop Orlando
Frontier Logo
11:38 am - 8:16 pmBUF  Buffalo-ORD Chicago O'Hare Intl
9h 38m1 stop Atlanta Hartsfield-Jackson
$247Frontier
Thu, Dec 10 - Fri, Dec 11
United Airlines Logo
6:29 am - 9:08 amORD  Chicago O'Hare Intl-BUF Buffalo
1h 39mnonstop
United Airlines Logo
10:46 am - 11:45 amBUF  Buffalo-ORD Chicago O'Hare Intl
1h 59mnonstop
$251United Airlines
Sat, Oct 10 - Wed, Oct 14
United Airlines Logo
2:00 pm - 4:43 pmORD  Chicago O'Hare Intl-BUF Buffalo
1h 43mnonstop
United Airlines Logo
10:46 am - 11:45 amBUF  Buffalo-ORD Chicago O'Hare Intl
1h 59mnonstop
$251United Airlines
Sat, Oct 17 - Sat, Oct 24
Delta Logo
5:09 pm - 11:59 pmMLI  Moline Quad-City-BUF Buffalo
5h 50m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:00 am - 10:23 amBUF  Buffalo-MLI Moline Quad-City
5h 23m1 stop Atlanta Hartsfield-Jackson
$339Delta
Fri, Nov 6 - Mon, Nov 9
Delta Logo
11:19 am - 11:53 pmMLI  Moline Quad-City-BUF Buffalo
11h 34m2 stops Atlanta Hartsfield-Jackson Detroit Metropolitan Wayne County
Delta Logo
7:00 am - 4:29 pmBUF  Buffalo-MLI Moline Quad-City
10h 29m2 stops New York John F Kennedy Intl Atlanta Hartsfield-Jackson
$504Delta
Fri, Oct 2 - Mon, Oct 5

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United Airlines flights from Illinois to Buffalo

Our best United Airlines deals on Illinois to Buffalo flight tickets
United Airlines
Oct 10
ORD6:29 amChicago O'Hare Intl
1h 39m
BUF9:08 amBuffalo
Oct 14
BUF10:46 amBuffalo
1h 59m
ORD11:45 amChicago O'Hare Intl
$251
United Airlines
Oct 17
STL10:27 amLambert-St Louis
7h 40m
2 stops
BUF7:07 pmBuffalo
Oct 24
BUF10:46 amBuffalo
4h 30m
1 stop
STL2:16 pmLambert-St Louis
$261
United Airlines
Oct 10
ORD6:29 amChicago O'Hare Intl
1h 39m
BUF9:08 amBuffalo
Oct 12
BUF10:46 amBuffalo
1h 59m
ORD11:45 amChicago O'Hare Intl
$269

Delta flights from Illinois to Buffalo

Our best Delta deals on Illinois to Buffalo flight tickets
Delta
Oct 13
MDW6:44 pmChicago Midway
4h 15m
1 stop
BUF11:59 pmBuffalo
Oct 20
BUF9:06 amBuffalo
4h 41m
1 stop
MDW12:47 pmChicago Midway
$271
Delta
Oct 31
MDW6:44 pmChicago Midway
2h 54m
1 stop
BUF10:38 pmBuffalo
Nov 2
BUF9:06 amBuffalo
4h 41m
1 stop
MDW12:47 pmChicago Midway
$299
Delta
Oct 15
ORD7:30 pmChicago O'Hare Intl
3h 29m
1 stop
BUF11:59 pmBuffalo
Oct 22
BUF3:53 pmBuffalo
6h 50m
1 stop
ORD9:43 pmChicago O'Hare Intl
$307

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisBuffalo

STL Lambert-St Louis - BUF Buffalo

STLBUF

Lambert-St Louis

Sat 10/17

6:00 am-2:27 pm

1 stop7h 27m

Buffalo

Sat 10/24

5:50 pm-12:19 am

1 stop7h 29m

$227

St. LouisBuffalo

STL Lambert-St Louis - BUF Buffalo

STLBUF

Lambert-St Louis

Wed 10/14

6:00 am-12:46 pm

1 stop5h 46m

Buffalo

Wed 10/21

8:00 am-12:35 pm

1 stop5h 35m

$227

St. LouisBuffalo

STL Lambert-St Louis - BUF Buffalo

STLBUF

Lambert-St Louis

Wed 10/14

2:20 pm-10:25 pm

2 stops7h 05m

Buffalo

Wed 10/21

8:00 am-11:35 am

1 stop4h 35m

$232

St. LouisBuffalo

STL Lambert-St Louis - BUF Buffalo

STLBUF

Lambert-St Louis

Wed 10/14

2:20 pm-10:25 pm

2 stops7h 05m

Buffalo

Wed 10/21

12:35 pm-7:00 pm

2 stops7h 25m

$238

ChicagoBuffalo

MDW Chicago Midway - BUF Buffalo

MDWBUF

Chicago Midway

Fri 10/23

6:15 am-12:59 pm

1 stop5h 44m

Buffalo

Mon 10/26

1:44 pm-11:43 pm

1 stop10h 59m

$246

ChicagoBuffalo

ORD Chicago O'Hare Intl - BUF Buffalo

ORDBUF

Chicago O'Hare Intl

Thu 12/10

6:15 am-6:46 pm

1 stop11h 31m

Buffalo

Fri 12/11

11:38 am-8:16 pm

1 stop9h 38m

$247
Quickest round-trip

ChicagoBuffalo

ORD Chicago O'Hare Intl - BUF Buffalo

ORDBUF

Chicago O'Hare Intl

Sat 10/10

6:29 am-9:08 am

Nonstop1h 39m

Buffalo

Wed 10/14

10:46 am-11:45 am

Nonstop1h 59m

$251

ChicagoBuffalo

ORD Chicago O'Hare Intl - BUF Buffalo

ORDBUF

Chicago O'Hare Intl

Sat 10/17

2:00 pm-4:43 pm

Nonstop1h 43m

Buffalo

Sat 10/24

10:46 am-11:45 am

Nonstop1h 59m

$251

MolineBuffalo

MLI Moline Quad-City - BUF Buffalo

MLIBUF

Moline Quad-City

Fri 11/6

5:09 pm-11:59 pm

1 stop5h 50m

Buffalo

Mon 11/9

6:00 am-10:23 am

1 stop5h 23m

$339

MolineBuffalo

MLI Moline Quad-City - BUF Buffalo

MLIBUF

Moline Quad-City

Fri 10/2

11:19 am-11:53 pm

2 stops11h 34m

Buffalo

Mon 10/5

7:00 am-4:29 pm

2 stops10h 29m

$504

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 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

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 September instead. Flights to Buffalo in September, while not as cheap as those in January, still average around $358.

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 $349. Flights from Illinois to Buffalo on a Monday will generally be more expensive and average around $470. 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 $350. 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 $432 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 $381 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 $299 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?

You could potentially save up to 15% on your flight if you consider stops on a Illinois to Buffalo flight.

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

$77

Fastest flight time

1h 25m

Direct flights

Every day

Airports in Buffalo

1 airport
The best one-way flight to Buffalo from Illinois in the past 72 hours is $77. The best round-trip flight deal from Illinois to Buffalo found on momondo in the last 72 hours is $227.
The fastest flight from Illinois to Buffalo takes 1h 25m
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?

  • 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?

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
JetBluePriceFrom $98Free CancellationRating
7.1
3,033 reviews
Search JetBlue flights
United AirlinesPriceFrom $236Free CancellationRating
7.4
10,232 reviews
Search United Airlines flights
American AirlinesPriceFrom $240Free CancellationRating
7.0
12,087 reviews
Search American Airlines flights
SouthwestPriceFrom $281Free CancellationRating
8.0
4,191 reviews
Search Southwest flights

Traveling to a place near Buffalo?

Book flights to Buffalo if you plan to visit one of these locations
Batavia
Cheektowaga
Amherst
Williamsville
Tonawanda
Bowmansville
Orchard Park
West Seneca
Lockport
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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