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 4/4. 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
$145
Overall average: $329
American Airlines
Thu 6/18Sat 6/20
ORD - BUF • Non-stop
Cheapest one-way
$73
Southwest
Sat 4/4
MDW - BUF • Non-stop
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Flight Deals
Useful Info
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, Jun 18 - Sat, Jun 20
American Airlines Logo
6:40 am - 9:29 am
ORD
-
BUF
1h 49mnonstop
American Airlines Logo
6:00 am - 7:03 am
BUF
-
ORD
2h 03mnonstop
$145American Airlines
Thu, Apr 30 - Sat, May 2
Multiple Airlines Logo
1:40 pm - 12:13 pm
ORD
-
BUF
21h 33m
1 stop
Multiple Airlines Logo
1:08 pm - 6:54 pm
BUF
-
ORD
6h 46m
1 stop
$151Multiple Airlines
Tue, May 19 - Wed, May 20
Multiple Airlines Logo
5:01 am - 12:13 pm
ORD
-
BUF
6h 12m
1 stop
Multiple Airlines Logo
1:08 pm - 6:54 pm
BUF
-
ORD
6h 46m
1 stop
$158Multiple Airlines
Thu, Feb 26 - Mon, Mar 2
Frontier Logo
6:25 am - 12:54 pm
MDW
-
BUF
5h 29m
1 stop
Frontier Logo
1:48 pm - 10:29 pm
BUF
-
MDW
9h 41m
1 stop
$160Frontier
Thu, May 7 - Sat, May 9
Frontier Logo
10:25 am - 7:13 pm
ORD
-
BUF
7h 48m
1 stop
Frontier Logo
1:08 pm - 10:39 pm
BUF
-
ORD
10h 31m
1 stop
$160Frontier
Tue, May 19 - Wed, May 20
Frontier Logo
5:01 am - 12:13 pm
ORD
-
BUF
6h 12m
1 stop
Frontier Logo
1:08 pm - 10:39 pm
BUF
-
ORD
10h 31m
1 stop
$161Frontier
Thu, May 7 - Mon, May 11
United Airlines Logo
1:35 pm - 9:01 pm
PIA
-
BUF
6h 26m
1 stop
United Airlines Logo
8:40 pm - 11:59 pm
BUF
-
PIA
4h 19m
1 stop
$269United Airlines
Fri, Feb 27 - Tue, Mar 3
United Airlines Logo
5:45 pm - 11:59 pm
PIA
-
BUF
5h 14m
1 stop
United Airlines Logo
7:00 am - 12:43 pm
BUF
-
PIA
6h 43m
1 stop
$279United Airlines
Wed, Mar 11 - Mon, Mar 16
Delta Logo
5:59 pm - 10:55 pm
STL
-
BUF
3h 56m
1 stop
Delta Logo
7:38 pm - 11:58 pm
BUF
-
STL
5h 20m
1 stop
$282Delta
Sat, Feb 28 - Wed, Mar 4
Delta Logo
5:01 pm - 11:26 pm
MLI
-
BUF
5h 25m
1 stop
Delta Logo
11:52 am - 10:24 pm
BUF
-
MLI
11h 32m
2 stops
$284Delta
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$73
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
Cheektowaga
Williamsville
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