BUF

$80 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 6/26. 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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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.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Illinois to Buffalo

Tue, Sep 23 - Tue, Sep 30
JetBlue Logo
1:36 pm - 10:00 pmORD-BUF
7h 24m1 stop
JetBlue Logo
6:00 am - 12:10 pmBUF-ORD
7h 10m1 stop
$203JetBlue
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Thu, Sep 11 - Mon, Sep 15
JetBlue Logo
1:36 pm - 7:20 pmORD-BUF
4h 44m1 stop
JetBlue Logo
6:00 am - 12:10 pmBUF-ORD
7h 10m1 stop
$207JetBlue
Find Deal
Fri, Jun 27 - Sun, Jun 29
Frontier Logo
9:12 pm - 8:56 amMDW-BUF
10h 44m1 stop
Frontier Logo
9:12 pm - 8:17 pmBUF-MDW
24h 05m1 stop
$210Frontier
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Fri, Jun 27 - Sun, Jun 29
Frontier Logo
9:58 am - 8:56 amORD-BUF
21h 58m1 stop
Frontier Logo
9:12 pm - 8:38 amBUF-ORD
12h 26m1 stop
$210Frontier
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Thu, Jul 17 - Sun, Jul 20
Southwest Logo
10:00 pm - 12:25 amMDW-BUF
1h 25mnonstop
Southwest Logo
6:10 am - 6:50 amBUF-MDW
1h 40mnonstop
$217Southwest
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Tue, Aug 19 - Tue, Aug 26
American Airlines Logo
1:15 pm - 8:26 pmSTL-BUF
6h 11m1 stop
American Airlines Logo
11:56 am - 4:14 pmBUF-STL
5h 18m1 stop
$217American Airlines
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Tue, Jul 29 - Tue, Aug 5
American Airlines Logo
5:20 pm - 7:54 pmORD-BUF
1h 34mnonstop
American Airlines Logo
8:02 am - 8:56 amBUF-ORD
1h 54mnonstop
$217American Airlines
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Tue, Aug 19 - Tue, Aug 26
Southwest Logo
6:25 am - 3:10 pmSTL-BUF
7h 45m2 stops
Southwest Logo
8:25 am - 2:10 pmBUF-STL
6h 45m1 stop
$222Southwest
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Tue, Aug 12 - Sat, Aug 16
Delta Logo
2:15 pm - 6:54 pmSTL-BUF
3h 39m1 stop
Delta Logo
7:41 pm - 11:22 pmBUF-STL
4h 41m1 stop
$234Delta
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Wed, Jul 30 - Wed, Aug 6
Delta Logo
6:20 pm - 11:44 pmMDW-BUF
4h 24m1 stop
Delta Logo
9:01 am - 12:29 pmBUF-MDW
4h 28m1 stop
$237Delta
Find Deal
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Good to know

Low seasonFebruary
High seasonJuly
Cheapest flight$80
Best time to beat the crowds but there is an average 3% increase in price.
Most popular time to fly with an average 2% increase in price.
Flight from Chicago O'Hare 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.

Everything you need to know for your flight to Buffalo

Information on the airport you'll fly into in Buffalo

Buffalo (BUF)

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