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

...and more

Travelers love KAYAK

41.299.237 searches in the past 7 days on KAYAK

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Filter your dealsChoose cabin class, free Wi-Fi and more.

Cheapest round-trip

$137

Overall average: $335

Frontier

Sat 2/28Mon 3/2

ORD - BUF • 1 stop

Cheapest non-stop

$257

Typical prices: $282-$347

American Airlines

Tue 2/24Tue 3/3

ORD - BUF • Non-stop

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Buffalo!

Flight Deals

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

Sat, Feb 28 - Mon, Mar 2

4:42 pm - 1:24 pm

ORD

BUF

19h 42m

1 stop

1:48 pm - 4:52 pm

BUF

ORD

28h 04m

1 stop

$137Frontier

Sat, Feb 28 - Mon, Mar 2

4:42 pm - 1:24 pm

ORD

BUF

19h 42m

1 stop

1:48 pm - 10:51 am

BUF

ORD

22h 03m

1 stop

$138Frontier

Sat, Feb 28 - Mon, Mar 2

4:42 pm - 1:24 pm

ORD

BUF

19h 42m

1 stop

1:48 pm - 10:51 am

BUF

ORD

22h 03m

1 stop

$141Frontier

Tue, Feb 24 - Tue, Mar 3

8:16 pm - 12:54 pm

ORD

BUF

39h 38m

2 stops

7:17 pm - 7:47 pm

BUF

ORD

25h 30m

1 stop

$171Multiple Airlines

Wed, Mar 11 - Thu, Mar 12

10:12 am - 5:37 pm

STL

BUF

6h 25m

1 stop

6:15 am - 9:46 am

BUF

STL

4h 31m

1 stop

$292Delta

Thu, Mar 12 - Mon, Mar 16

12:04 pm - 6:43 pm

STL

BUF

5h 39m

1 stop

7:38 pm - 11:58 pm

BUF

STL

5h 20m

1 stop

$307Delta

Thu, May 14 - Sat, May 16

5:40 am - 10:15 am

STL

BUF

3h 35m

1 stop

2:00 pm - 7:10 pm

BUF

STL

6h 10m

2 stops

$312Southwest

Wed, Mar 11 - Fri, Mar 13

8:17 am - 1:17 pm

STL

BUF

4h 00m

1 stop

5:29 pm - 9:07 pm

BUF

STL

4h 38m

1 stop

$322United Airlines

Sat, Feb 14 - Wed, Feb 18

2:51 pm - 8:51 pm

PIA

BUF

5h 00m

1 stop

7:00 am - 12:43 pm

BUF

PIA

6h 43m

1 stop

$349United Airlines

Sun, Feb 15 - Thu, Feb 19

7:31 pm - 3:50 pm

PIA

BUF

19h 19m

1 stop

1:39 pm - 7:42 pm

BUF

PIA

55h 03m

2 stops

$551Multiple Airlines

Useful Info

Low season	February
High season	July
Cheapest flight	$70

Best time to beat the crowds with an average 2% drop in price.

Most popular time to fly and prices are also 2% lower on average.

Flight from Chicago O'Hare Airport 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

Everything you should know

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