BUF

$72 Find Cheap Flights from Illinois to Buffalo

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Buffalo departing on 10/11. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

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

Recent round-trip flight deals from Illinois to Buffalo

Sat, Nov 1 - Sat, Nov 8
Frontier Logo
8:00 am - 6:17 pmORD-BUF
9h 17m1 stop
Frontier Logo
10:53 am - 1:59 pmBUF-ORD
28h 06m1 stop
$167Frontier
Find Deal
Sat, Oct 18 - Sun, Oct 19
Frontier Logo
8:30 am - 5:57 pmORD-BUF
8h 27m1 stop
Frontier Logo
9:13 pm - 5:13 pmBUF-ORD
21h 00m1 stop
$168Frontier
Find Deal
Fri, Oct 3 - Sun, Oct 5
JetBlue Logo
9:51 am - 5:15 pmORD-BUF
6h 24m1 stop
JetBlue Logo
10:00 am - 6:07 pmBUF-ORD
9h 07m1 stop
$195JetBlue
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Wed, Oct 15 - Wed, Oct 22
JetBlue Logo
10:08 am - 9:00 pmORD-BUF
9h 52m1 stop
JetBlue Logo
6:00 am - 12:22 pmBUF-ORD
7h 22m1 stop
$199JetBlue
Find Deal
Sat, Oct 25 - Mon, Oct 27
Multiple Airlines Logo
6:00 pm - 11:19 amORD-BUF
16h 19m2 stops
Multiple Airlines Logo
5:24 pm - 12:59 amBUF-ORD
8h 35m1 stop
$245Multiple Airlines
Find Deal
Sat, Nov 15 - Sun, Nov 23
American Airlines Logo
1:20 pm - 10:39 pmPIA-BUF
8h 19m1 stop
American Airlines Logo
7:13 pm - 12:06 amBUF-PIA
5h 53m1 stop
$249American Airlines
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Fri, Oct 31 - Mon, Nov 3
Multiple Airlines Logo
1:55 pm - 8:53 pmORD-BUF
5h 58m1 stop
Multiple Airlines Logo
9:53 pm - 4:23 pmBUF-ORD
19h 30m1 stop
$249Multiple Airlines
Find Deal
Sat, Nov 15 - Sat, Nov 22
American Airlines Logo
1:20 pm - 12:08 amPIA-BUF
9h 48m2 stops
American Airlines Logo
7:13 pm - 12:06 amBUF-PIA
5h 53m1 stop
$254American Airlines
Find Deal
Sat, Oct 11 - Tue, Oct 14
United Airlines Logo
12:25 pm - 10:42 pmSTL-BUF
9h 17m2 stops
United Airlines Logo
10:55 am - 3:44 pmBUF-STL
5h 49m1 stop
$262United Airlines
Find Deal
Wed, Oct 15 - Wed, Oct 22
United Airlines Logo
6:25 pm - 9:13 pmORD-BUF
1h 48mnonstop
United Airlines Logo
5:55 pm - 6:51 pmBUF-ORD
1h 56mnonstop
$269United Airlines
Find Deal

Everything you should know

Cheapest round-trip
$167
Overall average: $316
Frontier
Sat 11/1Sat 11/8
ORD - BUF • 1 stop
Cheapest non-stop
$269
Southwest
Sat 10/25Tue 10/28
MDW - BUF • Non-stop
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Buffalo!
Useful Info

Good to know

Low seasonFebruary
Cheapest flight$72
Best time to beat the crowds with an average 2% drop in price.
Most popular time to fly with an average 1% increase in price.
Flight from Chicago Midway Airport to Buffalo

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?

Book flights to Buffalo if you plan to visit one of these locations
Amherst
Williamsville
Cheektowaga
Lockport
West Seneca
Bowmansville
Grand Island
Eden

Everything you need to know for your flight to Buffalo

Information on the airport you'll fly into in Buffalo

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