How does KAYAK find such low prices on flights from Illinois to Buffalo?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Buffalo. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Buffalo?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Buffalo from Illinois is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Illinois to Buffalo?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Buffalo with an airline and back to Illinois with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Buffalo?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Buffalo from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$70 CHEAP FLIGHTS from Illinois to Buffalo

BUF

KAYAK searches hundreds of travel sites at once for deals on flights to Buffalo

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Cheap Flights from Illinois to Buffalo

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Illinois to Buffalo

Wed, May 13 - Mon, May 18

5:27 pm - 10:41 am

STL

BUF

16h 14m

1 stop

2:49 pm - 5:33 pm

BUF

STL

27h 44m

1 stop

$124Frontier

Tue, Jun 9 - Tue, Jun 16

6:31 pm - 1:55 pm

STL

BUF

18h 24m

1 stop

11:50 am - 8:52 am

BUF

STL

22h 02m

1 stop

$126Frontier

Sat, May 30 - Tue, Jun 2

9:45 am - 10:41 am

PIA

BUF

23h 56m

2 stops

7:52 pm - 10:00 am

BUF

PIA

15h 08m

1 stop

$304Multiple Airlines

Tue, May 26 - Sat, May 30

4:14 pm - 11:59 pm

BMI

BUF

6h 45m

1 stop

5:26 pm - 10:30 pm

BUF

BMI

6h 04m

1 stop

$329Delta

Tue, May 26 - Sat, May 30

5:17 pm - 11:59 pm

MLI

BUF

5h 42m

1 stop

12:31 pm - 4:37 pm

BUF

MLI

5h 06m

1 stop

$329Delta

Wed, May 20 - Mon, May 25

1:35 pm - 9:01 pm

PIA

BUF

6h 26m

1 stop

7:00 am - 10:10 am

BUF

PIA

4h 10m

1 stop

$329United Airlines

Tue, May 26 - Tue, Jun 2

3:13 pm - 10:41 am

PIA

BUF

42h 28m

2 stops

7:52 pm - 10:00 am

BUF

PIA

15h 08m

1 stop

$332Multiple Airlines

Thu, May 21 - Sun, May 24

6:58 pm - 12:09 am

PIA

BUF

4h 11m

1 stop

4:15 pm - 11:58 pm

BUF

PIA

8h 43m

2 stops

$334American Airlines

Wed, Apr 29 - Sun, May 3

2:50 pm - 8:43 pm

PIA

BUF

4h 53m

1 stop

5:55 pm - 10:49 pm

BUF

PIA

5h 54m

1 stop

$339United Airlines

Thu, Jun 4 - Sun, Jun 7

7:03 pm - 12:07 am

PIA

BUF

4h 04m

1 stop

6:00 am - 9:14 am

BUF

PIA

4h 14m

1 stop

$354American Airlines

Useful Info

Low season	January
High season	July
Cheapest flight	$70

Best time to beat the crowds with an average 3% drop in price.

Most popular time to fly and prices are also 4% lower on average.

Flight from St. Louis to Buffalo

How does KAYAK find such low prices on flights from Illinois to Buffalo?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Buffalo.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Buffalo?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Buffalo from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Illinois to Buffalo?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Buffalo with an airline and back to Illinois with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Buffalo?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Buffalo from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Amherst

Cheektowaga

Williamsville

Lockport

West Seneca

Bowmansville

Grand Island

Eden

Everything you need to know for your flight to Buffalo

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in Buffalo

Buffalo (BUF)

BUF

$70 Find Cheap Flights from Illinois to Buffalo

KAYAK searches hundreds of travel sites at once for deals on flights to Buffalo

Cheap Flights from Illinois to Buffalo

Recent round-trip flight deals from Illinois to Buffalo

Recent one-way flight deals from Illinois to Buffalo

Recent last minute flight deals from Illinois to Buffalo

Recent direct flight deals from Illinois to Buffalo

Good to know

FAQs for booking flights from Illinois to Buffalo

How does KAYAK find such low prices on flights from Illinois to Buffalo?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Buffalo.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Buffalo?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Buffalo from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Illinois to Buffalo?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Buffalo with an airline and back to Illinois with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Buffalo?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Buffalo from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near Buffalo?

Everything you need to know for your flight to Buffalo

Information on the airport you'll fly into in Buffalo

Cabin class types available on flights to Illinois

Complete your trip to Buffalo with a hotel stay or car rental

Find direct flights for Buffalo

Flights to other popular destinations

Flights from domestic origins to Buffalo

Choose which airport to fly into in Buffalo

Find deals for your return flight