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Cheap flights from Buffalo to Illinois from $104

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Buffalo to Illinois

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
1:03 pm - 12:43 amBUF  Buffalo-ORD Chicago O'Hare Intl
12h 40m1 stop Orlando
Frontier Logo
5:40 am - 8:24 pmORD  Chicago O'Hare Intl-BUF Buffalo
13h 44m1 stop Orlando
$198Frontier
Sat, Nov 21 - Tue, Nov 24
Frontier Logo
9:38 pm - 3:56 pmBUF  Buffalo-ORD Chicago O'Hare Intl
19h 18m1 stop Orlando
Frontier Logo
5:01 am - 8:43 pmORD  Chicago O'Hare Intl-BUF Buffalo
14h 42m1 stop Orlando
$217Frontier
Mon, Jan 25 - Wed, Jan 27
Frontier Logo
9:38 pm - 12:55 amBUF  Buffalo-ORD Chicago O'Hare Intl
28h 17m1 stop Orlando
Frontier Logo
6:00 am - 6:12 pmORD  Chicago O'Hare Intl-BUF Buffalo
11h 12m1 stop Atlanta Hartsfield-Jackson
$217Frontier
Wed, Jan 27 - Mon, Feb 1
American Airlines Logo
6:44 pm - 7:54 pmBUF  Buffalo-ORD Chicago O'Hare Intl
2h 10mnonstop
American Airlines Logo
8:00 am - 10:56 amORD  Chicago O'Hare Intl-BUF Buffalo
1h 56mnonstop
$317American Airlines
Sat, Dec 12 - Mon, Dec 14
American Airlines Logo
8:26 pm - 9:59 pmBUF  Buffalo-ORD Chicago O'Hare Intl
2h 33mnonstop
American Airlines Logo
7:23 am - 10:17 amORD  Chicago O'Hare Intl-BUF Buffalo
1h 54mnonstop
$317American Airlines
Sat, Dec 19 - Mon, Jan 4
United Airlines Logo
10:15 am - 11:32 amBUF  Buffalo-ORD Chicago O'Hare Intl
2h 17mnonstop
United Airlines Logo
6:40 am - 9:28 amORD  Chicago O'Hare Intl-BUF Buffalo
1h 48mnonstop
$317United Airlines
Wed, Jan 27 - Mon, Feb 1
United Airlines Logo
5:40 pm - 6:54 pmBUF  Buffalo-ORD Chicago O'Hare Intl
2h 14mnonstop
United Airlines Logo
6:55 am - 9:44 amORD  Chicago O'Hare Intl-BUF Buffalo
1h 49mnonstop
$317United Airlines
Sat, Dec 12 - Mon, Dec 14
Southwest Logo
7:10 pm - 8:00 pmBUF  Buffalo-MDW Chicago Midway
1h 50mnonstop
Southwest Logo
12:55 pm - 3:25 pmMDW  Chicago Midway-BUF Buffalo
1h 30mnonstop
$317Southwest
Fri, Nov 20 - Mon, Nov 23
Southwest Logo
8:00 am - 8:50 amBUF  Buffalo-MDW Chicago Midway
1h 50mnonstop
Southwest Logo
6:40 pm - 9:15 pmMDW  Chicago Midway-BUF Buffalo
1h 35mnonstop
$317Southwest
Sat, Nov 21 - Mon, Nov 23
American Airlines Logo
11:10 am - 12:30 pmBUF  Buffalo-ORD Chicago O'Hare Intl
2h 20mnonstop
American Airlines Logo
8:46 pm - 11:42 pmORD  Chicago O'Hare Intl-BUF Buffalo
1h 56mnonstop
$317American Airlines
Thu, Dec 31 - Mon, Jan 4

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United Airlines flights from Buffalo to Illinois

Our best United Airlines deals on Buffalo to Illinois flight tickets
United Airlines
Dec 12
BUF5:40 pmBuffalo
2h 14m
ORD6:54 pmChicago O'Hare Intl
Dec 14
ORD6:55 amChicago O'Hare Intl
1h 49m
BUF9:44 amBuffalo
$317
United Airlines
Dec 21
BUF5:35 pmBuffalo
2h 19m
ORD6:54 pmChicago O'Hare Intl
Dec 25
ORD5:55 pmChicago O'Hare Intl
1h 52m
BUF8:47 pmBuffalo
$324
United Airlines
Nov 19
BUF6:30 amBuffalo
4h 35m
1 stop
MLI10:05 amMoline Quad-City
Nov 23
MLI6:30 amMoline Quad-City
5h 47m
1 stop
BUF1:17 pmBuffalo
$369

Frontier flights from Buffalo to Illinois

Our best Frontier deals on Buffalo to Illinois flight tickets
Frontier
Nov 21
BUF1:03 pmBuffalo
12h 40m
1 stop
ORD12:43 amChicago O'Hare Intl
Nov 24
ORD5:40 amChicago O'Hare Intl
13h 44m
1 stop
BUF8:24 pmBuffalo
$198
Frontier
Jan 27
BUF9:38 pmBuffalo
28h 17m
1 stop
ORD12:55 amChicago O'Hare Intl
Feb 1
ORD6:00 amChicago O'Hare Intl
11h 12m
1 stop
BUF6:12 pmBuffalo
$217
Frontier
Feb 23
BUF10:02 amBuffalo
24h 11m
1 stop
ORD9:13 amChicago O'Hare Intl
Mar 1
ORD10:18 amChicago O'Hare Intl
21h 49m
1 stop
BUF9:07 amBuffalo
$218

momondo Fare Finder

 
Use the filters below to find and compare flights from Buffalo to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BuffaloChicago

BUF Buffalo - ORD Chicago O'Hare Intl

BUFORD

Buffalo

Sat 11/21

1:03 pm-12:43 am

1 stop12h 40m

Chicago O'Hare Intl

Tue 11/24

5:40 am-8:24 pm

1 stop13h 44m

$198

BuffaloChicago

BUF Buffalo - ORD Chicago O'Hare Intl

BUFORD

Buffalo

Mon 1/25

9:38 pm-3:56 pm

1 stop19h 18m

Chicago O'Hare Intl

Wed 1/27

5:01 am-8:43 pm

1 stop14h 42m

$217

BuffaloChicago

BUF Buffalo - ORD Chicago O'Hare Intl

BUFORD

Buffalo

Wed 1/27

9:38 pm-12:55 am

1 stop28h 17m

Chicago O'Hare Intl

Mon 2/1

6:00 am-6:12 pm

1 stop11h 12m

$217

BuffaloChicago

BUF Buffalo - ORD Chicago O'Hare Intl

BUFORD

Buffalo

Sat 12/12

6:44 pm-7:54 pm

Nonstop2h 10m

Chicago O'Hare Intl

Mon 12/14

8:00 am-10:56 am

Nonstop1h 56m

$317

BuffaloChicago

BUF Buffalo - ORD Chicago O'Hare Intl

BUFORD

Buffalo

Sat 12/19

8:26 pm-9:59 pm

Nonstop2h 33m

Chicago O'Hare Intl

Mon 1/4

7:23 am-10:17 am

Nonstop1h 54m

$317

BuffaloChicago

BUF Buffalo - ORD Chicago O'Hare Intl

BUFORD

Buffalo

Wed 1/27

10:15 am-11:32 am

Nonstop2h 17m

Chicago O'Hare Intl

Mon 2/1

6:40 am-9:28 am

Nonstop1h 48m

$317

BuffaloChicago

BUF Buffalo - ORD Chicago O'Hare Intl

BUFORD

Buffalo

Sat 12/12

5:40 pm-6:54 pm

Nonstop2h 14m

Chicago O'Hare Intl

Mon 12/14

6:55 am-9:44 am

Nonstop1h 49m

$317
Quickest round-trip

BuffaloChicago

BUF Buffalo - MDW Chicago Midway

BUFMDW

Buffalo

Fri 11/20

7:10 pm-8:00 pm

Nonstop1h 50m

Chicago Midway

Mon 11/23

12:55 pm-3:25 pm

Nonstop1h 30m

$317

BuffaloChicago

BUF Buffalo - MDW Chicago Midway

BUFMDW

Buffalo

Sat 11/21

8:00 am-8:50 am

Nonstop1h 50m

Chicago Midway

Mon 11/23

6:40 pm-9:15 pm

Nonstop1h 35m

$317

BuffaloChicago

BUF Buffalo - ORD Chicago O'Hare Intl

BUFORD

Buffalo

Thu 12/31

11:10 am-12:30 pm

Nonstop2h 20m

Chicago O'Hare Intl

Mon 1/4

8:46 pm-11:42 pm

Nonstop1h 56m

$317

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Illinois from

How to get the cheapest flight ticket from Buffalo to Illinois

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 Illinois?

The cheapest month to fly to Illinois from Buffalo is in January. Flight prices, which tend to average around $281, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $325.

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

The cheapest day to depart from Buffalo to Illinois is on a Wednesday when prices can be found for as low as $456. Flights from Buffalo to Illinois on a Sunday will generally be more expensive and average around $572. 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 Illinois?

Our most recent data shows that the best time of day to fly to Illinois is in the evening. Flights from Buffalo to Illinois during this time can be as low as $450. Flights at noon are often more expensive with an average ticket price of $591.

What is the cheapest Buffalo to Illinois flight route?

Fly from Buffalo to Chicago Midway for the best Buffalo - Illinois flight prices

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

You are more likely to see cheaper flights to Illinois from Buffalo when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $365 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Buffalo for as low as $223 on momondo.

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

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

Can stopping save me money on Buffalo to Illinois flights?

You could potentially save up to 24% on your flight if you consider stops on a Buffalo to Illinois flight.

Cheap Buffalo to Illinois flight deals and tips

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

Best Price Found

$104

Fastest flight time

1h 45m

Direct flights

Every day

Airports in Illinois

98 airports
The best one-way flight to Illinois from Buffalo in the past 72 hours is $104. The best round-trip flight deal from Buffalo to Illinois found on momondo in the last 72 hours is $198.
The fastest flight from Buffalo to Illinois takes 1h 45m
Direct flights go from Buffalo to Illinois every day.
There are 98 airports in Illinois. From Buffalo there are direct flights to Chicago O'Hare Intl (ORD), Chicago Midway (MDW).
Search flight deals

Frequently asked questions about flying from Buffalo to Illinois

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

    Prices for flights from Buffalo Airport to Illinois are updated daily.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Buffalo Airport to Illinois.

  • What documentation or ID do you need to fly to Illinois?

    The required travel and health documents for your Illinois trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

Best airlines flying from Buffalo to Illinois

Compare and see reviews for airlines that fly from Buffalo to Illinois with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $177Free CancellationRating
7.0
12,232 reviews
Search American Airlines flights
United AirlinesPriceFrom $235Free CancellationRating
7.3
10,462 reviews
Search United Airlines flights
SouthwestPriceFrom $261Free CancellationRating
8.0
4,214 reviews
Search Southwest flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Buffalo to Illinois. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for Buffalo to Illinois flights to just show those with flexible booking policies.

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

Once all potential Buffalo to Illinois 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 Buffalo to Illinois right now. Can momondo alert me if prices change?

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

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