BUF

$55 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 1/22. 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

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

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Everything you should know

Cheapest round-trip
$111
Overall average: $516
Frontier
Thu 12/4Sat 12/13
STL - BUF • 1 stop
Cheapest non-stop
$239
Typical prices: $268-$484
American Airlines
Sun 11/23Tue 11/25
ORD - 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

Thu, Dec 4 - Sat, Dec 13
Frontier Logo
3:30 pm - 11:51 amSTL-BUF
19h 21m1 stop
Frontier Logo
3:18 pm - 10:33 pmBUF-STL
8h 15m1 stop
$111Frontier
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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
$130Frontier
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Tue, Feb 24 - Fri, Feb 27
JetBlue Logo
12:41 pm - 6:33 pmORD-BUF
4h 52m1 stop
JetBlue Logo
6:00 am - 11:48 amBUF-ORD
6h 48m1 stop
$173JetBlue
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Wed, Dec 17 - Sat, Jan 17
JetBlue Logo
7:00 am - 3:59 pmORD-BUF
7h 59m1 stop
JetBlue Logo
10:00 am - 5:44 pmBUF-ORD
8h 44m1 stop
$181JetBlue
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Sat, Dec 13 - Mon, Dec 15
Multiple Airlines Logo
1:24 pm - 11:10 amORD-BUF
20h 46m1 stop
Multiple Airlines Logo
3:18 pm - 12:09 amBUF-ORD
9h 51m2 stops
$198Multiple Airlines
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Tue, Feb 3 - Sat, Feb 7
Delta Logo
5:06 pm - 11:28 pmMLI-BUF
5h 22m1 stop
Delta Logo
11:51 am - 10:28 pmBUF-MLI
11h 37m2 stops
$254Delta
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Sat, Feb 28 - Tue, Mar 3
Delta Logo
10:18 am - 4:59 pmSTL-BUF
5h 41m1 stop
Delta Logo
10:31 am - 4:44 pmBUF-STL
7h 13m1 stop
$257Delta
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Sat, Dec 6 - Sun, Dec 14
American Airlines Logo
6:37 pm - 12:07 amPIA-BUF
4h 30m1 stop
American Airlines Logo
2:50 pm - 7:16 pmBUF-PIA
5h 26m1 stop
$264American Airlines
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Wed, Dec 3 - Sun, Dec 7
American Airlines Logo
5:27 pm - 11:24 pmMLI-BUF
4h 57m1 stop
American Airlines Logo
2:50 pm - 6:18 pmBUF-MLI
4h 28m1 stop
$279American Airlines
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Tue, Dec 23 - Sat, Dec 27
Multiple Airlines Logo
2:36 pm - 4:49 pmMLI-BUF
25h 13m2 stops
Multiple Airlines Logo
8:14 pm - 7:57 amBUF-MLI
12h 43m1 stop
$508Multiple Airlines
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Useful Info

Good to know

Low seasonFebruary
Cheapest flight$55
Best time to beat the crowds with an average 1% drop in price.
Most popular time to fly with an average 2% 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)