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Cheap flights from Illinois to Buffalo from $55

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Buffalo departing on 4/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Illinois to Buffalo

Cheap round-trip flights

These are some of the best round-trip flight deals from Illinois to Buffalo that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Illinois to Buffalo.

Cheap last minute flights

Planning a quick getaway from Illinois to Buffalo? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Buffalo, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Illinois to Buffalo

Find recent round-trip train or bus tickets from Illinois to Buffalo.

All round-trip flight deals to Buffalo

The cheapest plane tickets to Buffalo found on KAYAK recently.
5:05 pm - 3:07 pmSTL-BUF
21h 02m1 stop
7:55 pm - 11:31 pmBUF-STL
28h 36m1 stop
$120Frontier
Find Deal
Sat, Feb 8 - Mon, Feb 10
10:02 pm - 9:59 amORD-BUF
10h 57m1 stop
12:08 pm - 10:16 pmBUF-ORD
11h 08m1 stop
$120Frontier
Find Deal
Fri, Feb 7 - Mon, Feb 10
5:40 pm - 11:43 pmORD-BUF
5h 03m1 stop
7:00 am - 12:05 pmBUF-ORD
6h 05m1 stop
$187JetBlue
Find Deal
Mon, Feb 24 - Thu, Feb 27
5:40 pm - 11:43 pmORD-BUF
5h 03m1 stop
7:00 am - 12:05 pmBUF-ORD
6h 05m1 stop
$212JetBlue
Find Deal
Mon, Feb 24 - Thu, Feb 27
12:20 pm - 10:49 pmORD-BUF
9h 29m1 stop
1:30 pm - 9:56 pmBUF-ORD
9h 26m1 stop
$223American Airlines
Find Deal
Wed, Jan 29 - Sat, Feb 1
8:40 pm - 11:23 amORD-BUF
13h 43m1 stop
11:52 am - 8:41 pmBUF-ORD
9h 49m1 stop
$238American Airlines
Find Deal
Sat, Feb 8 - Mon, Feb 10
7:05 am - 12:18 amORD-BUF
16h 13m1 stop
11:47 am - 9:24 pmBUF-ORD
10h 37m1 stop
$253Delta
Find Deal
Thu, Jan 30 - Wed, Feb 5
6:30 pm - 11:07 amORD-BUF
15h 37m1 stop
7:00 am - 9:24 pmBUF-ORD
15h 24m1 stop
$263Delta
Find Deal
Wed, Jan 29 - Mon, Feb 3
7:05 pm - 9:35 pmMDW-BUF
1h 30mnonstop
6:05 am - 7:00 amBUF-MDW
1h 55mnonstop
$287Southwest
Find Deal
Mon, Feb 24 - Thu, Feb 27
10:15 am - 12:45 pmMDW-BUF
1h 30mnonstop
1:35 pm - 9:25 pmBUF-MDW
8h 50m1 stop
$289Southwest
Find Deal
Sat, Mar 1 - Wed, Mar 5
3:00 pm - 12:15 amMDW-BUF
8h 15m1 stop
$55Frontier
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Wed, Apr 9
7:25 am - 5:34 pmORD-BUF
9h 09m1 stop
$55Frontier
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Wed, Mar 5
9:05 am - 3:08 pmORD-BUF
5h 03m1 stop
$94JetBlue
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Wed, Feb 5
6:17 am - 3:27 pmORD-BUF
8h 10m1 stop
$117American Airlines
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Tue, Mar 25
6:17 am - 3:27 pmORD-BUF
8h 10m1 stop
$118American Airlines
Find Deal
Wed, Mar 19
5:40 pm - 11:42 pmORD-BUF
5h 02m1 stop
$120JetBlue
Find Deal
Sat, Feb 22
6:25 pm - 8:55 pmMDW-BUF
1h 30mnonstop
$136Southwest
Find Deal
Wed, Feb 19
2:20 pm - 4:55 pmORD-BUF
1h 35mnonstop
$136United Airlines
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Wed, Mar 19
7:05 pm - 9:35 pmMDW-BUF
1h 30mnonstop
$144Southwest
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Mon, Feb 10
2:05 pm - 4:40 pmORD-BUF
1h 35mnonstop
$144United Airlines
Find Deal
Sat, Mar 1
6:13 am - 3:49 pmORD-BUF
8h 36m1 stop
6:23 am - 1:45 pmBUF-ORD
8h 22m1 stop
$223American Airlines
Find Deal
Mon, Jan 13 - Tue, Jan 14
7:00 am - 7:13 pmORD-BUF
11h 13m1 stop
7:00 am - 5:17 pmBUF-ORD
11h 17m1 stop
$244Frontier
Find Deal
Sun, Jan 12 - Sat, Jan 18
12:20 pm - 10:49 pmORD-BUF
9h 29m1 stop
6:23 am - 1:45 pmBUF-ORD
8h 22m1 stop
$283American Airlines
Find Deal
Mon, Jan 13 - Thu, Jan 16
7:00 am - 7:13 pmORD-BUF
11h 13m1 stop
7:15 am - 2:52 pmBUF-ORD
8h 37m1 stop
$284Frontier
Find Deal
Sun, Jan 12 - Thu, Jan 16
12:35 pm - 10:47 pmORD-BUF
9h 12m1 stop
6:00 am - 4:13 pmBUF-ORD
11h 13m1 stop
$323Delta
Find Deal
Mon, Jan 13 - Tue, Jan 14
12:35 pm - 10:47 pmORD-BUF
9h 12m1 stop
6:00 am - 4:17 pmBUF-ORD
11h 17m1 stop
$373Delta
Find Deal
Wed, Jan 15 - Sat, Jan 18
12:00 pm - 11:31 pmORD-BUF
10h 31m2 stops
7:45 pm - 11:01 amBUF-ORD
16h 16m2 stops
$386United Airlines
Find Deal
Mon, Jan 13 - Wed, Jan 15
3:36 pm - 9:10 pmPIA-BUF
4h 34m1 stop
7:00 am - 10:19 amBUF-PIA
4h 19m1 stop
$394United Airlines
Find Deal
Sat, Jan 11 - Fri, Jan 17
6:25 pm - 8:55 pmMDW-BUF
1h 30mnonstop
6:20 am - 7:20 amBUF-MDW
2h 00mnonstop
$600Southwest
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Mon, Jan 13 - Thu, Jan 16
6:35 am - 12:05 pmMDW-BUF
4h 30m1 stop
6:20 am - 7:20 amBUF-MDW
2h 00mnonstop
$610Southwest
Find Deal
Sat, Jan 11 - Fri, Jan 17
5:45 pm - 8:24 pmORD-BUF
1h 39mnonstop
3:05 pm - 4:05 pmBUF-ORD
2h 00mnonstop
$279American Airlines
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Tue, Feb 4 - Sat, Feb 8
5:45 pm - 8:24 pmORD-BUF
1h 39mnonstop
3:05 pm - 4:05 pmBUF-ORD
2h 00mnonstop
$286American Airlines
Find Deal
Thu, Jan 30 - Mon, Feb 3
7:05 pm - 9:35 pmMDW-BUF
1h 30mnonstop
6:05 am - 7:00 amBUF-MDW
1h 55mnonstop
$287Southwest
Find Deal
Mon, Feb 24 - Thu, Feb 27
6:15 pm - 8:55 pmORD-BUF
1h 40mnonstop
5:36 pm - 6:38 pmBUF-ORD
2h 02mnonstop
$287United Airlines
Find Deal
Mon, Feb 24 - Thu, Feb 27
7:10 pm - 9:40 pmMDW-BUF
1h 30mnonstop
6:45 am - 7:30 amBUF-MDW
1h 45mnonstop
$303Southwest
Find Deal
Sat, Mar 1 - Wed, Mar 5
2:10 pm - 4:53 pmORD-BUF
1h 43mnonstop
5:40 pm - 6:49 pmBUF-ORD
2h 09mnonstop
$310United Airlines
Find Deal
Tue, Feb 4 - Sun, Feb 9
6:25 pm - 8:55 pmMDW-BUF
1h 30mnonstop
6:45 am - 7:30 amBUF-MDW
1h 45mnonstop
$310Southwest
Find Deal
Tue, Feb 4 - Sun, Feb 9
12:05 pm - 2:30 pmMDW-BUF
1h 25mnonstop
6:20 am - 7:20 amBUF-MDW
2h 00mnonstop
$318Southwest
Find Deal
Fri, Feb 28 - Mon, Mar 3
10:35 am - 1:19 pmORD-BUF
1h 44mnonstop
5:36 pm - 6:38 pmBUF-ORD
2h 02mnonstop
$318United Airlines
Find Deal
Thu, Feb 6 - Thu, Feb 13
9:00 am - 11:46 amORD-BUF
1h 46mnonstop
7:54 am - 8:54 amBUF-ORD
2h 00mnonstop
$328American Airlines
Find Deal
Thu, Jan 30 - Sun, Feb 2

American Airlines flights from Illinois to Buffalo

Our best American Airlines deals on Illinois to Buffalo flight tickets
American Airlines
Jan 29
ORD12:20 pmChicago O'Hare Intl
9h 29m
1 stop
BUF10:49 pmBuffalo
Feb 1
BUF1:30 pmBuffalo
9h 26m
1 stop
ORD9:56 pmChicago O'Hare Intl
American Airlines
Feb 8
ORD8:40 pmChicago O'Hare Intl
13h 43m
1 stop
BUF11:23 amBuffalo
Feb 10
BUF11:52 amBuffalo
9h 49m
1 stop
ORD8:41 pmChicago O'Hare Intl
American Airlines
Jan 23
ORD6:13 amChicago O'Hare Intl
8h 36m
1 stop
BUF3:49 pmBuffalo
Jan 29
BUF3:05 pmBuffalo
2h 00m
ORD4:05 pmChicago O'Hare Intl

Frontier flights from Illinois to Buffalo

Our best Frontier deals on Illinois to Buffalo flight tickets
Frontier
Feb 7
ORD10:02 pmChicago O'Hare Intl
10h 57m
1 stop
BUF9:59 amBuffalo
Feb 10
BUF12:08 pmBuffalo
11h 08m
1 stop
ORD10:16 pmChicago O'Hare Intl
Frontier
Jan 30
ORD10:33 amChicago O'Hare Intl
20h 43m
1 stop
BUF8:16 amBuffalo
Feb 2
BUF8:17 pmBuffalo
26h 59m
1 stop
ORD10:16 pmChicago O'Hare Intl
Frontier
Jan 31
STL5:05 pmLambert-St Louis
15h 54m
1 stop
BUF9:59 amBuffalo
Feb 3
BUF7:55 pmBuffalo
28h 36m
1 stop
STL11:31 pmLambert-St Louis

See travel insights to Buffalo from

How to get the cheapest flight ticket from Illinois to Buffalo

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Buffalo?

If you aren’t able to travel during the month of August, then book flights to Buffalo from Illinois during February instead. Flights to Buffalo in February, while not as cheap as those in August, still average around $288.

What is the cheapest day to depart on your flight to Buffalo?

Our data shows that Wednesday is the least expensive day to fly to Buffalo. Tickets to fly out on this day can be as low as $304. Flights from Illinois to Buffalo on a Sunday will generally be more expensive and average around $354. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Buffalo?

In the afternoon is the cheapest time of day to fly from Illinois to Buffalo when you can find flight prices for as low as $321. Flying to Buffalo in the afternoon is an ideal time because this is during off-peak travel hours. In the morning is when there is more demand to fly to Buffalo, so prices are often more expensive at around $331 per ticket.

What is the cheapest Illinois to Buffalo flight route?

Fly from Chicago O'Hare Intl to Buffalo for the best Illinois - Buffalo flight prices

How far in advance should I book a flight to Buffalo?

The ideal time to book your flight to Buffalo is 59 days in advance when prices tend to average $343. However, in the past 72 hours, people saw flights from Illinois for as low as $169.

What cabin class options are available on Illinois to Buffalo flights?

There are 4 cabin classes available to choose from on Illinois to Buffalo flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Illinois to Buffalo flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Buffalo

Best Price Found

$55

Fastest flight time

1h 25m

Direct flights

Every day

Airports in Buffalo

1 airport
The best one-way flight to Buffalo from Illinois in the past 72 hours is $55. The best round-trip flight deal from Illinois to Buffalo found on momondo in the last 72 hours is $120.
The fastest flight from Illinois to Buffalo takes 1h 25m
Direct flights go from Illinois to Buffalo every day.
There is 1 airport near Buffalo: Buffalo (BUF)

  • When did momondo last update prices for flights from Illinois to Buffalo Airport?

    Prices for flights from Illinois to Buffalo Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Illinois to Buffalo Airport?

  • How old do you have to be to fly from Illinois to Buffalo Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Illinois to Buffalo Airport.

  • What documentation or ID do you need to fly to Buffalo Airport?

    The travel and health documents you'll need for your trip to Buffalo Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Buffalo Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Illinois to Buffalo?


Best airlines flying from Illinois to Buffalo

Compare and see reviews for airlines that fly from Illinois to Buffalo with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $101Free CancellationRating
6.0
3,428 reviews
Search Frontier flights
American AirlinesPriceFrom $145Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $197Free CancellationRating
7.4
8,942 reviews
Search United Airlines flights
SouthwestPriceFrom $225Free CancellationRating
8.1
4,650 reviews
Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Buffalo?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Buffalo from Illinois.

Can I find flights from Illinois to Buffalo with flexible booking policies on momondo?

momondo does allow users to show only those flights to Buffalo from Illinois which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Illinois to Buffalo?

Once all potential Illinois to Buffalo flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Illinois to Buffalo right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Illinois to Buffalo now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Buffalo and let you know when they change.


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