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Cheap flights from Buffalo to Chicago 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 Buffalo to Chicago departing on 2/6. 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 Buffalo to Chicago

Cheap round-trip flights

These are some of the best round-trip flight deals from Buffalo to Chicago 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 Buffalo to Chicago.

Cheap last minute flights

Planning a quick getaway from Buffalo to Chicago? 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 Chicago, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Buffalo to Chicago

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

All round-trip flight deals from Buffalo to Chicago

The cheapest plane tickets from Buffalo to Chicago found on KAYAK recently.
7:15 am - 2:52 pmBUF-ORD
8h 37m1 stop
10:00 am - 11:59 pmORD-BUF
12h 59m1 stop
$130Frontier
Find Deal
Thu, Feb 6 - Sat, Feb 8
2:28 pm - 10:30 pmBUF-ORD
9h 02m1 stop
1:14 pm - 12:15 amORD-BUF
10h 01m1 stop
$131Frontier
Find Deal
Thu, Apr 3 - Wed, Apr 9
6:23 am - 1:45 pmBUF-ORD
8h 22m1 stop
6:13 am - 3:49 pmORD-BUF
8h 36m1 stop
$223American Airlines
Find Deal
Thu, Jan 30 - Mon, Feb 3
6:00 am - 10:43 pmBUF-ORD
17h 43m1 stop
6:00 am - 10:38 pmORD-BUF
15h 38m1 stop
$283Delta
Find Deal
Wed, Apr 2 - Sun, Apr 6
6:00 am - 1:44 pmBUF-ORD
8h 44m1 stop
2:00 pm - 4:36 pmORD-BUF
1h 36mnonstop
$287American Airlines
Find Deal
Thu, Mar 13 - Thu, Mar 20
6:15 am - 7:10 amBUF-MDW
1h 55mnonstop
7:05 pm - 9:35 pmMDW-BUF
1h 30mnonstop
$295Southwest
Find Deal
Sat, Feb 22 - Mon, Feb 24
5:15 pm - 9:40 pmBUF-MDW
5h 25m1 stop
7:05 pm - 9:35 pmMDW-BUF
1h 30mnonstop
$305Southwest
Find Deal
Sat, Feb 22 - Mon, Feb 24
6:00 am - 10:43 pmBUF-ORD
17h 43m1 stop
10:15 am - 10:38 pmORD-BUF
11h 23m1 stop
$308Delta
Find Deal
Mon, Mar 31 - Tue, Apr 8
7:00 am - 8:02 amBUF-ORD
2h 02mnonstop
6:29 pm - 9:09 pmORD-BUF
1h 40mnonstop
$323United Airlines
Find Deal
Wed, Mar 12 - Sun, Mar 16
6:00 am - 9:38 amBUF-ORD
4h 38m1 stop
2:15 pm - 4:50 pmORD-BUF
1h 35mnonstop
$333United Airlines
Find Deal
Wed, Mar 12 - Sun, Mar 16
7:15 am - 2:52 pmBUF-ORD
8h 37m1 stop
$55Frontier
Find Deal
Thu, Feb 6
8:21 pm - 7:56 amBUF-ORD
12h 35m1 stop
$61Frontier
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Thu, May 1
6:08 am - 1:44 pmBUF-ORD
8h 36m1 stop
$117American Airlines
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Wed, Mar 5
6:00 am - 10:12 amBUF-MDW
5h 12m1 stop
$129Delta
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Wed, Feb 12
2:12 pm - 8:46 pmBUF-ORD
7h 34m1 stop
$129Delta
Find Deal
Wed, Feb 12
5:36 pm - 6:38 pmBUF-ORD
2h 02mnonstop
$140United Airlines
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Tue, Feb 18
6:20 am - 7:20 amBUF-MDW
2h 00mnonstop
$140Southwest
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Tue, Feb 18
7:45 am - 8:46 amBUF-ORD
2h 01mnonstop
$141American Airlines
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Sat, Feb 22
6:20 am - 7:20 amBUF-MDW
2h 00mnonstop
$145Southwest
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Tue, Feb 18
7:00 am - 7:58 amBUF-ORD
1h 58mnonstop
$149United Airlines
Find Deal
Tue, Apr 1
7:00 am - 5:17 pmBUF-ORD
11h 17m1 stop
7:00 am - 7:17 pmORD-BUF
11h 17m1 stop
$322Frontier
Find Deal
Sat, Jan 18 - Sun, Jan 19
11:25 am - 11:33 pmBUF-ORD
13h 08m1 stop
10:02 pm - 9:59 amORD-BUF
10h 57m1 stop
$336Frontier
Find Deal
Sun, Jan 19 - Fri, Jan 24
7:00 am - 5:17 pmBUF-ORD
11h 17m1 stop
10:02 pm - 9:59 amORD-BUF
10h 57m1 stop
$350Frontier
Find Deal
Sat, Jan 18 - Fri, Jan 24
6:00 am - 1:48 pmBUF-ORD
8h 48m1 stop
10:05 am - 7:19 pmORD-BUF
8h 14m1 stop
$543Delta
Find Deal
Sun, Jan 19 - Thu, Jan 23
12:08 pm - 4:13 pmBUF-ORD
5h 05m1 stop
12:35 pm - 10:47 pmORD-BUF
9h 12m1 stop
$552Delta
Find Deal
Fri, Jan 17 - Wed, Jan 22
1:54 pm - 3:03 pmBUF-ORD
2h 09mnonstop
10:35 am - 1:19 pmORD-BUF
1h 44mnonstop
$610United Airlines
Find Deal
Fri, Jan 17 - Thu, Jan 23
7:00 am - 8:03 amBUF-ORD
2h 03mnonstop
6:08 pm - 11:31 pmORD-BUF
4h 23m1 stop
$620United Airlines
Find Deal
Fri, Jan 17 - Fri, Jan 24
6:20 am - 7:20 amBUF-MDW
2h 00mnonstop
7:05 pm - 9:35 pmMDW-BUF
1h 30mnonstop
$669Southwest
Find Deal
Fri, Jan 17 - Mon, Jan 20
6:20 am - 7:20 amBUF-MDW
2h 00mnonstop
5:55 am - 1:25 pmMDW-BUF
6h 30m1 stop
$679Southwest
Find Deal
Fri, Jan 17 - Mon, Jan 20
7:54 am - 8:54 amBUF-ORD
2h 00mnonstop
6:00 am - 11:57 amORD-BUF
4h 57m1 stop
$758American Airlines
Find Deal
Fri, Jan 17 - Sat, Jan 18
7:45 am - 8:46 amBUF-ORD
2h 01mnonstop
8:00 am - 10:42 amORD-BUF
1h 42mnonstop
$291American Airlines
Find Deal
Sat, Feb 22 - Mon, Feb 24
7:54 am - 8:54 amBUF-ORD
2h 00mnonstop
9:00 am - 11:46 amORD-BUF
1h 46mnonstop
$292American Airlines
Find Deal
Sat, Feb 8 - Wed, Feb 12
1:15 pm - 2:16 pmBUF-ORD
2h 01mnonstop
7:05 pm - 9:51 pmORD-BUF
1h 46mnonstop
$293American Airlines
Find Deal
Sat, Feb 22 - Mon, Feb 24
6:15 am - 7:10 amBUF-MDW
1h 55mnonstop
7:05 pm - 9:35 pmMDW-BUF
1h 30mnonstop
$295Southwest
Find Deal
Sat, Feb 22 - Mon, Feb 24
6:46 am - 7:47 amBUF-ORD
2h 01mnonstop
2:05 pm - 4:40 pmORD-BUF
1h 35mnonstop
$317United Airlines
Find Deal
Thu, Feb 13 - Thu, Feb 20
7:00 am - 8:02 amBUF-ORD
2h 02mnonstop
6:29 pm - 9:09 pmORD-BUF
1h 40mnonstop
$323United Airlines
Find Deal
Wed, Mar 12 - Sun, Mar 16
7:20 pm - 7:55 pmBUF-MDW
1h 35mnonstop
6:40 pm - 9:05 pmMDW-BUF
1h 25mnonstop
$323Southwest
Find Deal
Wed, May 7 - Wed, May 14
6:20 am - 7:20 amBUF-MDW
2h 00mnonstop
12:05 pm - 2:30 pmMDW-BUF
1h 25mnonstop
$329Southwest
Find Deal
Tue, Feb 18 - Fri, Feb 21
7:00 am - 8:03 amBUF-ORD
2h 03mnonstop
6:30 pm - 9:10 pmORD-BUF
1h 40mnonstop
$353United Airlines
Find Deal
Thu, Jan 30 - Thu, Feb 6
5:51 pm - 6:48 pmBUF-ORD
1h 57mnonstop
2:12 pm - 4:55 pmORD-BUF
1h 43mnonstop
$357United Airlines
Find Deal
Wed, Apr 2 - Wed, Apr 9

Frontier flights from Buffalo to Chicago

Our best Frontier deals on Buffalo to Chicago flight tickets
Frontier
Feb 6
BUF7:15 amBuffalo
8h 37m
1 stop
ORD2:52 pmChicago O'Hare Intl
Feb 8
ORD10:00 amChicago O'Hare Intl
12h 59m
1 stop
BUF11:59 pmBuffalo
Frontier
Apr 3
BUF2:28 pmBuffalo
9h 02m
1 stop
ORD10:30 pmChicago O'Hare Intl
Apr 9
ORD1:14 pmChicago O'Hare Intl
10h 01m
1 stop
BUF12:15 amBuffalo
Frontier
Feb 2
BUF8:17 pmBuffalo
26h 59m
1 stop
ORD10:16 pmChicago O'Hare Intl
Feb 9
ORD4:18 pmChicago O'Hare Intl
16h 23m
1 stop
BUF9:41 amBuffalo

American Airlines flights from Buffalo to Chicago

Our best American Airlines deals on Buffalo to Chicago flight tickets
American Airlines
Jan 30
BUF6:23 amBuffalo
8h 22m
1 stop
ORD1:45 pmChicago O'Hare Intl
Feb 3
ORD6:13 amChicago O'Hare Intl
8h 36m
1 stop
BUF3:49 pmBuffalo
American Airlines
Mar 13
BUF6:00 amBuffalo
8h 44m
1 stop
ORD1:44 pmChicago O'Hare Intl
Mar 20
ORD2:00 pmChicago O'Hare Intl
1h 36m
BUF4:36 pmBuffalo
American Airlines
Apr 2
BUF12:27 pmBuffalo
8h 43m
1 stop
ORD8:10 pmChicago O'Hare Intl
Apr 9
ORD7:03 amChicago O'Hare Intl
1h 34m
BUF9:37 amBuffalo

See travel insights to Chicago from

How to get the cheapest flight ticket from Buffalo to Chicago

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 typical price of a round-trip flight between Buffalo and Chicago?

What is the cheapest month to fly to Chicago?

The month of September is, on average, the cheapest month to fly to Chicago from Buffalo, with most prices found around $289. If you’re not able to fly to Chicago in September, then August is your next best option. Flight prices from Buffalo to Chicago during August average around $298.

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

The cheapest day to depart on your flight to Chicago is on a Wednesday when prices can be found for as low as $298. This is often the case because there is less demand to fly during this day of the week. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Buffalo to Chicago for around $360.

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

Our most recent data shows that the best time of day to fly to Chicago is in the afternoon. Flights from Buffalo to Chicago during this time can be as low as $313. In contrast, the most expensive time of day to depart to Chicago is in the evening when prices are around $350.

What is the cheapest Buffalo to Chicago flight route?

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

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

You are more likely to see cheaper flights to Chicago from Buffalo when booking 21 weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around $323 when searching 21 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago from Buffalo for as low as $175 on momondo.

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

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

How have Buffalo to Chicago flight prices changed over time?

As of January 2025, prices for Buffalo to Chicago flights are approximately 8% more expensive when compared to flights at the same time last year.

When to book flights from Buffalo to Chicago

Are you open to changing your travel dates? Check out the ideal times to fly from Buffalo to Chicago according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Buffalo to Chicago (BUF to CHI) flight deals and tips

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

Best Price Found

$55

Fastest flight time

1h 35m

Direct flights

Every day

Airports in Chicago

2 airports
The best one-way flight to Chicago from Buffalo in the past 72 hours is $55. The best round-trip flight deal from Buffalo to Chicago found on momondo in the last 72 hours is $130.
The fastest flight from Buffalo to Chicago takes 1h 35m
Direct flights go from Buffalo to Chicago every day.
There are 2 airports near Chicago: Chicago O'Hare Intl (ORD), Chicago Midway (MDW)

  • How far is Buffalo to Chicago by plane?

    A flight from Buffalo to Chicago will travel around 451.4 mi. Flights usually cover this in 1h 35m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Buffalo Airport to Chicago were last updated today.

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

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

    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 Buffalo Airport to Chicago.

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

    The travel and health documents you'll need for your trip to Chicago 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 Chicago. 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 Buffalo to Chicago?

  • What is the most popular airline from Buffalo to Chicago?


Best airlines flying from Buffalo to Chicago

Compare and see reviews for airlines that fly from Buffalo to Chicago with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $95Free CancellationRating
6.0
3,435 reviews
Search Frontier flights
United AirlinesPriceFrom $154Free CancellationRating
7.4
8,964 reviews
Search United Airlines flights
American AirlinesPriceFrom $169Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
JetBluePriceFrom $175Free CancellationRating
7.4
3,199 reviews
Search JetBlue flights
SouthwestPriceFrom $247Free CancellationRating
8.1
4,659 reviews
Search Southwest flights
DeltaPriceFrom $256Free CancellationRating
8.0
8,511 reviews
Search Delta flights
  • Southwest Flights From Buffalo to Chicago

    Southwest is one of the most popular airlines flying from Buffalo to Chicago, operating 6 flights/week on average for this route. A good Southwest flight deal for Buffalo to Chicago starts from $247 round-trip, up to an average price of $315. Our users have rated Southwest at 8.1/10.

  • United Airlines Flights From Buffalo to Chicago

    United Airlines (7.4/10 from 8,965 reviews) operates around 16 flights from Buffalo to Chicago in any given week. The average United Airlines airfare for this route is around $353, with deals from around $154 rare but found on momondo. Referenced prices are for round-trip Buffalo to Chicago flight searches in the last 72 hours.


Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Merrillville
Hammond
New Buffalo
Portage
Benton Harbor
Lansing
Saint Joseph
Valparaiso
Munster
Crown Point
Schererville
Monticello
Chesterton
Porter
Griffith
Saint John

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Buffalo to Chicago. Millions of users trust and use momondo every year so you are in good hands.

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

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

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

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

If you are simply researching potential flights to Chicago, momondo offers a useful price alert feature which will track prices for flights to Chicago from Buffalo and alert you when they change.


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Find better results for your trip to the United States

Fly into one of these airports located in Chicago

Airports listed have a maximum distance of 78.5 mi from Chicago