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>

$93 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

Save 22% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

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

Flights Deals

Cheap Flights from Illinois to Buffalo

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Illinois to Buffalo that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Illinois to Buffalo

KAYAK's recommended round-trip deals from the most popular airlines that fly from Illinois to Buffalo.

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

4:15 pm - 6:28 pmORD-BUF

25h 13m1 stop

9:51 am - 11:32 pmBUF-ORD

14h 41m1 stop

$190Frontier

Find Deal

Sat, May 17 - Mon, May 19

10:55 am - 6:28 pmMDW-BUF

6h 33m1 stop

3:51 pm - 11:39 pmBUF-MDW

8h 48m1 stop

$191Frontier

Find Deal

Sun, May 11 - Thu, May 15

6:15 am - 1:53 pmORD-BUF

6h 38m1 stop

3:05 pm - 9:54 pmBUF-ORD

7h 49m1 stop

$193JetBlue

Find Deal

Wed, May 28 - Tue, Jun 3

6:15 am - 1:53 pmORD-BUF

6h 38m1 stop

3:05 pm - 9:54 pmBUF-ORD

7h 49m1 stop

$199JetBlue

Find Deal

Wed, May 28 - Fri, May 30

5:15 pm - 11:55 pmMLI-BUF

5h 40m1 stop

6:35 pm - 10:57 pmBUF-MLI

5h 22m1 stop

$233Delta

Find Deal

Wed, May 28 - Wed, Jun 4

5:15 pm - 11:55 pmMLI-BUF

5h 40m1 stop

1:00 pm - 10:57 pmBUF-MLI

10h 57m2 stops

$238Delta

Find Deal

Wed, May 28 - Wed, Jun 4

6:40 pm - 9:05 pmMDW-BUF

1h 25mnonstop

7:20 pm - 7:55 pmBUF-MDW

1h 35mnonstop

$249Southwest

Find Deal

Wed, May 28 - Tue, Jun 3

5:00 am - 9:54 amSTL-BUF

3h 54m1 stop

6:00 am - 12:27 pmBUF-STL

7h 27m2 stops

$249United Airlines

Find Deal

Fri, Jul 4 - Wed, Jul 9

10:35 am - 1:21 pmORD-BUF

1h 46mnonstop

1:57 pm - 2:55 pmBUF-ORD

1h 58mnonstop

$249United Airlines

Find Deal

Wed, May 28 - Wed, Jun 4

6:40 pm - 9:05 pmMDW-BUF

1h 25mnonstop

2:55 pm - 7:50 pmBUF-MDW

5h 55m1 stop

$259Southwest

Find Deal

Wed, May 28 - Tue, Jun 3

Useful Info

Low season	February
High season	July
Cheapest flight	$93

Best time to beat the crowds but there is an average 3% increase in price.

Most popular time to fly with an average 5% increase in price.

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.

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

$93 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.

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