BUF

$73 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 9/11. 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.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Illinois to Buffalo

Thu, Sep 11 - Mon, Sep 15
Frontier Logo
11:36 am - 6:46 pmORD-BUF
6h 10m1 stop
Frontier Logo
12:17 pm - 12:10 amBUF-ORD
12h 53m1 stop
$154Frontier
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Wed, Sep 10 - Wed, Sep 17
Southwest Logo
9:55 am - 12:30 pmMDW-BUF
1h 35mnonstop
Southwest Logo
6:45 pm - 7:25 pmBUF-MDW
1h 40mnonstop
$155Southwest
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Tue, Sep 23 - Tue, Sep 30
American Airlines Logo
2:08 pm - 4:50 pmORD-BUF
1h 42mnonstop
American Airlines Logo
7:35 am - 8:30 amBUF-ORD
1h 55mnonstop
$155American Airlines
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Wed, Sep 17 - Thu, Sep 18
American Airlines Logo
8:33 am - 11:06 amORD-BUF
1h 33mnonstop
American Airlines Logo
7:30 am - 8:25 amBUF-ORD
1h 55mnonstop
$166American Airlines
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Wed, Sep 3 - Sat, Sep 6
Delta Logo
2:00 pm - 6:07 pmORD-BUF
3h 07m1 stop
Delta Logo
5:10 pm - 9:35 pmBUF-ORD
5h 25m1 stop
$187Delta
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Sat, Nov 1 - Sat, Nov 8
Delta Logo
2:35 pm - 8:51 pmORD-BUF
5h 16m1 stop
Delta Logo
5:05 pm - 8:23 pmBUF-ORD
4h 18m1 stop
$197Delta
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Tue, Sep 9 - Wed, Sep 10
JetBlue Logo
1:36 pm - 10:07 pmORD-BUF
7h 31m1 stop
JetBlue Logo
6:00 am - 12:10 pmBUF-ORD
7h 10m1 stop
$203JetBlue
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Tue, Nov 18 - Sat, Nov 22
JetBlue Logo
7:00 am - 3:39 pmORD-BUF
7h 39m1 stop
JetBlue Logo
5:23 pm - 10:50 pmBUF-ORD
6h 27m1 stop
$205JetBlue
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Wed, Sep 3 - Wed, Sep 10
United Airlines Logo
2:08 pm - 4:52 pmORD-BUF
1h 44mnonstop
United Airlines Logo
10:55 am - 11:51 amBUF-ORD
1h 56mnonstop
$215United Airlines
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Wed, Sep 3 - Sat, Sep 6
United Airlines Logo
10:35 am - 1:22 pmORD-BUF
1h 47mnonstop
United Airlines Logo
10:55 am - 11:51 amBUF-ORD
1h 56mnonstop
$226United Airlines
Find Deal
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Good to know

Low seasonFebruary
Cheapest flight$73
Best time to beat the crowds but there is an average 4% increase in price.
Most popular time to fly and prices are also 1% lower on average.
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.

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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