BUF

$63 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 4/22. 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

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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

sáb., abr. 25 - sáb., may. 2
Frontier Logo
7:34 pm - 11:09 am
MDW
-
BUF
14h 35m
1 stop
Frontier Logo
1:11 pm - 6:37 pm
BUF
-
MDW
6h 26m
1 stop
$132Frontier
sáb., abr. 25 - sáb., may. 2
Frontier Logo
7:34 pm - 11:09 am
MDW
-
BUF
14h 35m
1 stop
Frontier Logo
1:11 pm - 6:37 pm
BUF
-
MDW
6h 26m
1 stop
$133Frontier
sáb., abr. 25 - sáb., may. 2
Multiple Airlines Logo
9:16 am - 11:09 am
ORD
-
BUF
24h 53m
1 stop
Multiple Airlines Logo
1:11 pm - 10:39 pm
BUF
-
ORD
10h 28m
1 stop
$142Multiple Airlines
sáb., abr. 25 - sáb., may. 2
Multiple Airlines Logo
9:16 am - 11:09 am
ORD
-
BUF
24h 53m
1 stop
Multiple Airlines Logo
1:11 pm - 10:39 pm
BUF
-
ORD
10h 28m
1 stop
$143Multiple Airlines
mar., abr. 21 - mar., abr. 28
United Airlines Logo
7:45 am - 1:13 pm
STL
-
BUF
4h 28m
1 stop
United Airlines Logo
6:02 pm - 9:52 pm
BUF
-
STL
4h 50m
1 stop
$277United Airlines
mar., abr. 21 - mar., abr. 28
Southwest Logo
7:35 am - 2:35 pm
STL
-
BUF
6h 00m
2 stops
Southwest Logo
1:10 pm - 8:00 pm
BUF
-
STL
7h 50m
2 stops
$287Southwest
jue., abr. 2 - mar., abr. 7
American Airlines Logo
7:05 am - 12:51 pm
STL
-
BUF
4h 46m
1 stop
American Airlines Logo
12:22 pm - 5:12 pm
BUF
-
STL
5h 50m
1 stop
$289American Airlines
sáb., abr. 18 - sáb., abr. 25
Southwest Logo
7:05 am - 2:15 pm
STL
-
BUF
6h 10m
1 stop
Southwest Logo
8:00 am - 10:30 am
BUF
-
STL
3h 30m
1 stop
$292Southwest
mar., mar. 24 - sáb., mar. 28
American Airlines Logo
2:02 pm - 10:50 pm
MLI
-
BUF
7h 48m
2 stops
American Airlines Logo
6:35 pm - 11:37 pm
BUF
-
MLI
6h 02m
1 stop
$304American Airlines
mar., jun. 2 - sáb., jun. 6
United Airlines Logo
3:52 pm - 9:03 pm
MLI
-
BUF
4h 11m
1 stop
United Airlines Logo
6:00 am - 1:56 pm
BUF
-
MLI
8h 56m
2 stops
$314United Airlines
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$63
Best time to beat the crowds but there is an average 1% 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
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