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 11/13. 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
$143
Overall average: $355
Frontier
Fri 11/14Thu 11/20
ORD - BUF • 1 stop
Cheapest non-stop
$255
Typical prices: $296-$435
American Airlines
Wed 12/17Sat 1/17
ORD - BUF • Non-stop
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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, Nov 14 - Thu, Nov 20
Frontier Logo
1:50 pm - 9:08 pmORD-BUF
6h 18m1 stop
Frontier Logo
2:01 pm - 10:36 pmBUF-ORD
9h 35m1 stop
$143Frontier
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Fri, Jan 23 - Sun, Jan 25
JetBlue Logo
10:45 am - 6:50 pmORD-BUF
7h 05m1 stop
JetBlue Logo
7:00 am - 1:10 pmBUF-ORD
7h 10m1 stop
$192JetBlue
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Fri, Apr 10 - Sun, Apr 12
JetBlue Logo
8:00 am - 2:25 pmORD-BUF
5h 25m1 stop
JetBlue Logo
3:20 pm - 10:59 pmBUF-ORD
8h 39m1 stop
$193JetBlue
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Thu, Nov 13 - Mon, Nov 17
Frontier Logo
5:11 am - 1:37 pmORD-BUF
7h 26m1 stop
Frontier Logo
2:42 pm - 12:11 amBUF-ORD
10h 29m1 stop
$197Frontier
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Thu, Nov 27 - Sun, Nov 30
United Airlines Logo
10:51 am - 4:38 pmPIA-BUF
4h 47m1 stop
United Airlines Logo
9:59 pm - 1:04 amBUF-PIA
4h 05m1 stop
$249United Airlines
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Thu, Nov 27 - Thu, Dec 4
United Airlines Logo
10:50 am - 4:38 pmMLI-BUF
4h 48m1 stop
United Airlines Logo
7:00 am - 10:15 amBUF-MLI
4h 15m1 stop
$249United Airlines
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Wed, Dec 17 - Sat, Jan 17
American Airlines Logo
8:59 pm - 11:39 pmORD-BUF
1h 40mnonstop
American Airlines Logo
11:22 am - 12:37 pmBUF-ORD
2h 15mnonstop
$255American Airlines
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Sat, Feb 28 - Mon, Mar 2
Delta Logo
6:00 am - 1:02 pmSTL-BUF
6h 02m1 stop
Delta Logo
10:30 am - 3:52 pmBUF-STL
6h 22m1 stop
$257Delta
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Wed, Dec 17 - Sat, Jan 17
American Airlines Logo
11:45 am - 10:57 pmORD-BUF
10h 12m1 stop
American Airlines Logo
11:22 am - 12:37 pmBUF-ORD
2h 15mnonstop
$258American Airlines
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Thu, Dec 18 - Thu, Dec 25
Delta Logo
9:34 am - 10:58 pmMDW-BUF
12h 24m1 stop
Delta Logo
6:10 am - 8:49 amBUF-MDW
3h 39m1 stop
$273Delta
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Useful Info

Good to know

Low seasonFebruary
Cheapest flight$55
Best time to beat the crowds with an average 5% drop in price.
Most popular time to fly and prices are also 0% 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

Buffalo (BUF)

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