BUF

$67 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 1/9. 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, 0 bags

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Everything you should know

Cheapest round-trip
$151
Overall average: $313
Frontier
Fri 1/9Fri 1/16
ORD - BUF • 1 stop
Cheapest non-stop
$241
Typical prices: $249-$309
Southwest
Tue 12/9Wed 12/10
MDW - BUF • Non-stop
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We hope you love your trip to Buffalo!
Flight Deals
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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

Fri, Jan 9 - Fri, Jan 16
Frontier Logo
8:27 pm - 5:38 pmORD-BUF
20h 11m1 stop
Frontier Logo
8:58 pm - 2:39 pmBUF-ORD
18h 41m1 stop
$151Frontier
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Thu, Jan 8 - Mon, Jan 12
Frontier Logo
8:27 pm - 8:13 amORD-BUF
10h 46m1 stop
Frontier Logo
1:15 pm - 10:39 pmBUF-ORD
10h 24m1 stop
$162Frontier
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Sat, Jan 17 - Sun, Jan 18
Multiple Airlines Logo
10:48 am - 7:11 pmORD-BUF
7h 23m1 stop
Multiple Airlines Logo
7:14 pm - 3:21 pmBUF-ORD
21h 07m2 stops
$195Multiple Airlines
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Thu, Apr 16 - Tue, Apr 21
JetBlue Logo
1:45 pm - 11:41 pmORD-BUF
8h 56m1 stop
JetBlue Logo
6:30 am - 12:50 pmBUF-ORD
7h 20m1 stop
$199JetBlue
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Sat, Jan 17 - Sun, Jan 18
Multiple Airlines Logo
10:48 am - 7:11 pmORD-BUF
7h 23m1 stop
Multiple Airlines Logo
7:14 pm - 3:21 pmBUF-ORD
21h 07m2 stops
$200Multiple Airlines
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Mon, Apr 13 - Tue, Apr 14
JetBlue Logo
1:45 pm - 11:41 pmORD-BUF
8h 56m1 stop
JetBlue Logo
10:20 am - 5:31 pmBUF-ORD
8h 11m1 stop
$207JetBlue
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Tue, Dec 9 - Wed, Dec 10
Southwest Logo
1:25 pm - 3:50 pmMDW-BUF
1h 25mnonstop
Southwest Logo
6:15 am - 7:05 amBUF-MDW
1h 50mnonstop
$241Southwest
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Wed, Dec 31 - Wed, Jan 7
Southwest Logo
1:25 pm - 3:50 pmMDW-BUF
1h 25mnonstop
Southwest Logo
6:20 am - 7:20 amBUF-MDW
2h 00mnonstop
$245Southwest
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Thu, Jan 8 - Mon, Jan 12
Delta Logo
9:45 am - 4:55 pmSTL-BUF
6h 10m1 stop
Delta Logo
6:38 pm - 11:39 pmBUF-STL
6h 01m1 stop
$253Delta
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Tue, Feb 3 - Sat, Feb 7
Delta Logo
5:11 pm - 11:28 pmMLI-BUF
5h 17m1 stop
Delta Logo
11:51 am - 10:33 pmBUF-MLI
11h 42m2 stops
$254Delta
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Useful Info

Good to know

Low seasonFebruary
Cheapest flight$67
Best time to beat the crowds with an average 3% 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

Buffalo (BUF)