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Cheap flights from Buffalo to Chicago from $39

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 6/9. 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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0 bags

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Find the cheapest flights from Buffalo to Chicago

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Buffalo to Chicago.
Southwest Logo
6:05 am - 6:45 amBUF-MDW
1h 40mnonstop
Southwest Logo
10:00 pm - 12:25 amMDW-BUF
1h 25mnonstop
$77Southwest
Find Deal
Thu, Jun 5 - Mon, Jun 9
United Airlines Logo
5:57 pm - 6:55 pmBUF-ORD
1h 58mnonstop
United Airlines Logo
6:35 pm - 9:22 pmORD-BUF
1h 47mnonstop
$77United Airlines
Find Deal
Tue, May 20 - Wed, May 21
Southwest Logo
2:55 pm - 7:50 pmBUF-MDW
5h 55m1 stop
Southwest Logo
10:00 pm - 12:25 amMDW-BUF
1h 25mnonstop
$87Southwest
Find Deal
Wed, Jun 4 - Mon, Jun 9
American Airlines Logo
3:00 pm - 3:53 pmBUF-ORD
1h 53mnonstop
American Airlines Logo
2:45 pm - 5:24 pmORD-BUF
1h 39mnonstop
$91American Airlines
Find Deal
Tue, May 20 - Thu, May 22
American Airlines Logo
8:00 am - 8:59 amBUF-ORD
1h 59mnonstop
American Airlines Logo
4:55 pm - 7:28 pmORD-BUF
1h 33mnonstop
$92American Airlines
Find Deal
Thu, Jun 26 - Mon, Jun 30
United Airlines Logo
7:00 am - 7:56 amBUF-ORD
1h 56mnonstop
United Airlines Logo
2:10 pm - 4:55 pmORD-BUF
1h 45mnonstop
$137United Airlines
Find Deal
Tue, Jul 1 - Tue, Jul 8
Frontier Logo
3:51 pm - 11:11 pmBUF-ORD
8h 20m1 stop
Frontier Logo
6:55 am - 7:37 pmORD-BUF
11h 42m1 stop
$170Frontier
Find Deal
Thu, May 8 - Mon, May 12
Frontier Logo
9:51 am - 11:32 pmBUF-ORD
14h 41m1 stop
Frontier Logo
6:00 am - 7:48 pmORD-BUF
12h 48m1 stop
$171Frontier
Find Deal
Fri, May 16 - Sun, May 18
Delta Logo
5:10 pm - 9:24 pmBUF-ORD
5h 14m1 stop
Delta Logo
6:00 am - 1:36 pmORD-BUF
6h 36m1 stop
$176Delta
Find Deal
Thu, Jun 26 - Mon, Jun 30
Delta Logo
6:00 am - 11:53 amBUF-MDW
6h 53m1 stop
Delta Logo
6:25 pm - 10:46 pmMDW-BUF
3h 21m1 stop
$177Delta
Find Deal
Tue, May 20 - Tue, May 20

Delta flights from Buffalo to Chicago

Our best Delta deals on Buffalo to Chicago flight tickets
Delta
Jun 26
BUF5:10 pmBuffalo
5h 14m
1 stop
ORD9:24 pmChicago O'Hare Intl
Jun 30
ORD6:00 amChicago O'Hare Intl
6h 36m
1 stop
BUF1:36 pmBuffalo
Delta
Jul 1
BUF2:16 pmBuffalo
7h 26m
1 stop
ORD8:42 pmChicago O'Hare Intl
Jul 8
ORD10:30 amChicago O'Hare Intl
5h 37m
1 stop
BUF5:07 pmBuffalo
Delta
Jun 5
BUF6:30 amBuffalo
4h 21m
1 stop
ORD9:51 amChicago O'Hare Intl
Jun 9
ORD7:10 amChicago O'Hare Intl
7h 54m
1 stop
BUF4:04 pmBuffalo

American Airlines flights from Buffalo to Chicago

Our best American Airlines deals on Buffalo to Chicago flight tickets
American Airlines
May 20
BUF3:00 pmBuffalo
1h 53m
ORD3:53 pmChicago O'Hare Intl
May 22
ORD2:45 pmChicago O'Hare Intl
1h 39m
BUF5:24 pmBuffalo
American Airlines
Jun 26
BUF8:00 amBuffalo
1h 59m
ORD8:59 amChicago O'Hare Intl
Jun 30
ORD4:55 pmChicago O'Hare Intl
1h 33m
BUF7:28 pmBuffalo
American Airlines
Jun 7
BUF8:00 amBuffalo
1h 59m
ORD8:59 amChicago O'Hare Intl
Jun 9
ORD8:39 pmChicago O'Hare Intl
1h 50m
BUF11:29 pmBuffalo

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 Friday when prices can be found for as low as $450. 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 $622.

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 evening. Flights from Buffalo to Chicago during this time can be as low as $434. In contrast, the most expensive time of day to depart to Chicago is at noon when prices are around $671.

What is the cheapest Buffalo to Chicago flight route?

Fly from Buffalo to Chicago Midway 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 22 weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around $346 when searching 22 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 $184 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 April 2025, prices for Buffalo to Chicago flights are approximately 46% cheaper 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

$39

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 $39. The best round-trip flight deal from Buffalo to Chicago found on momondo in the last 72 hours is $77.
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
5.9
3,283 reviews
Search Frontier flights
United AirlinesPriceFrom $153Free CancellationRating
7.4
8,683 reviews
Search United Airlines flights
American AirlinesPriceFrom $172Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $266Free CancellationRating
8.0
4,287 reviews
Search Southwest flights
  • Southwest Flights From Buffalo to Chicago

    Southwest is one of the most popular airlines flying from Buffalo to Chicago, operating 10 flights/week on average for this route. A good Southwest flight deal for Buffalo to Chicago starts from $266 round-trip, up to an average price of $339. Our users have rated Southwest at 8.0/10.

  • United Airlines Flights From Buffalo to Chicago

    United Airlines (7.4/10 from 8,683 reviews) operates around 28 flights from Buffalo to Chicago in any given week. The average United Airlines airfare for this route is around $374, with deals from around $153 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
New Buffalo
Hammond
Benton Harbor
Portage
Lansing
Saint Joseph
Schererville
Valparaiso
Munster
Crown Point
Monticello
Chesterton
Griffith
Porter
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