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Cheap flights from Chicago to Buffalo from $79

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Buffalo departing on 5/11. 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 Chicago to Buffalo

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Chicago to Buffalo.
1:19 pm - 9:01 amMDW-BUF
18h 42m1 stop
9:51 am - 5:30 pmBUF-MDW
8h 39m1 stop
$165Frontier
Find Deal
Thu, May 15 - Sun, May 18
1:19 pm - 9:01 amMDW-BUF
18h 42m1 stop
3:45 pm - 11:54 pmBUF-MDW
9h 09m1 stop
$168Frontier
Find Deal
Thu, May 8 - Sun, May 11
6:15 am - 1:53 pmORD-BUF
6h 38m1 stop
3:05 pm - 9:54 pmBUF-ORD
7h 49m1 stop
$187JetBlue
Find Deal
Wed, May 28 - Tue, Jun 3
1:13 pm - 7:05 pmORD-BUF
4h 52m1 stop
12:44 pm - 6:36 pmBUF-ORD
6h 52m1 stop
$213JetBlue
Find Deal
Thu, May 1 - Tue, May 6
2:45 pm - 5:24 pmORD-BUF
1h 39mnonstop
6:00 pm - 6:57 pmBUF-ORD
1h 57mnonstop
$251American Airlines
Find Deal
Sat, May 24 - Sun, May 25
3:58 pm - 9:47 pmORD-BUF
4h 49m1 stop
6:00 pm - 6:57 pmBUF-ORD
1h 57mnonstop
$260American Airlines
Find Deal
Sat, May 24 - Sun, May 25
6:50 pm - 9:15 pmMDW-BUF
1h 25mnonstop
6:25 am - 7:05 amBUF-MDW
1h 40mnonstop
$285Southwest
Find Deal
Thu, May 15 - Mon, May 19
6:50 pm - 9:15 pmMDW-BUF
1h 25mnonstop
11:35 am - 6:35 pmBUF-MDW
8h 00m1 stop
$295Southwest
Find Deal
Thu, May 15 - Mon, May 19
6:35 pm - 9:22 pmORD-BUF
1h 47mnonstop
6:45 am - 7:43 amBUF-ORD
1h 58mnonstop
$317United Airlines
Find Deal
Thu, May 15 - Sun, May 18
2:10 pm - 4:55 pmORD-BUF
1h 45mnonstop
6:15 am - 9:38 amBUF-ORD
4h 23m1 stop
$322United Airlines
Find Deal
Sat, May 24 - Sun, May 25

Southwest flights from Chicago to Buffalo

Our best Southwest deals on Chicago to Buffalo flight tickets
Southwest
May 15
MDW6:50 pmChicago Midway
1h 25m
BUF9:15 pmBuffalo
May 19
BUF6:25 amBuffalo
1h 40m
MDW7:05 amChicago Midway
Southwest
May 15
MDW6:50 pmChicago Midway
1h 25m
BUF9:15 pmBuffalo
May 19
BUF11:35 amBuffalo
8h 00m
1 stop
MDW6:35 pmChicago Midway
Southwest
Jun 29
MDW10:35 pmChicago Midway
1h 25m
BUF1:00 amBuffalo
Jul 1
BUF6:00 amBuffalo
1h 40m
MDW6:40 amChicago Midway

American Airlines flights from Chicago to Buffalo

Our best American Airlines deals on Chicago to Buffalo flight tickets
American Airlines
May 24
ORD2:45 pmChicago O'Hare Intl
1h 39m
BUF5:24 pmBuffalo
May 25
BUF6:00 pmBuffalo
1h 57m
ORD6:57 pmChicago O'Hare Intl
American Airlines
May 24
ORD3:58 pmChicago O'Hare Intl
4h 49m
1 stop
BUF9:47 pmBuffalo
May 25
BUF6:00 pmBuffalo
1h 57m
ORD6:57 pmChicago O'Hare Intl
American Airlines
May 24
ORD3:58 pmChicago O'Hare Intl
4h 49m
1 stop
BUF9:47 pmBuffalo
May 25
BUF8:00 amBuffalo
1h 54m
ORD8:54 amChicago O'Hare Intl

See travel insights to Buffalo from

How to get the cheapest flight ticket from Chicago 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 typical price of a round-trip flight between Chicago and Buffalo?

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 Chicago during June instead. Flights to Buffalo in June, while not as cheap as those in August, still average around $299.

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 $313. Flights from Chicago to Buffalo on a Sunday will generally be more expensive and average around $364. 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 evening is the cheapest time of day to fly from Chicago to Buffalo when you can find flight prices for as low as $319. Flying to Buffalo in the evening 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 $352 per ticket.

What is the cheapest Chicago to Buffalo flight route?

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

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

You are more likely to see cheaper flights to Buffalo from Chicago when booking 12 weeks ahead of your departure date. In general, you can expect to find flights to Buffalo for around $338 when searching 12 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Buffalo from Chicago for as low as $257 on momondo.

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

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

How have Chicago to Buffalo flight prices changed over time?

As of March 2025, prices for Chicago to Buffalo flights are approximately 0% more expensive when compared to flights at the same time last year.

When to book flights from Chicago to Buffalo

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

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

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

Best Price Found

$79

Fastest flight time

1h 25m

Direct flights

Every day

Airports in Buffalo

1 airport
The best one-way flight to Buffalo from Chicago in the past 72 hours is $79. The best round-trip flight deal from Chicago to Buffalo found on momondo in the last 72 hours is $165.
The fastest flight from Chicago to Buffalo takes 1h 25m
Direct flights go from Chicago to Buffalo every day.
There is 1 airport near Buffalo: Buffalo (BUF)

  • How far is Chicago to Buffalo by plane?

    A flight from Chicago to Buffalo will travel around 451.4 mi. In terms of flight time, this usually takes a little over 1h 25m.

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

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

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago 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 Chicago to Buffalo?

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


Best airlines flying from Chicago to Buffalo

Compare and see reviews for airlines that fly from Chicago to Buffalo with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $101Free CancellationRating
6.0
3,275 reviews
Search Frontier flights
American AirlinesPriceFrom $166Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $198Free CancellationRating
7.4
8,614 reviews
Search United Airlines flights
SouthwestPriceFrom $225Free CancellationRating
8.0
4,275 reviews
Search Southwest flights
  • Southwest Flights From Chicago to Buffalo

    The lowest priced Southwest flight from Chicago to Buffalo from the last 72 hours was $225. Generally, Southwest has 5 flights on this route every week with an average price of $355. Southwest is rated 8.0/10 by our users.

  • United Airlines Flights From Chicago to Buffalo

    United Airlines is also a popular choice for this route. United Airlines flight deals for Chicago to Buffalo start from as low as $198 round-trip, depending on your selected dates, with average United Airlines deals seen on momondo around $374. United Airlines operates 17 flights to Buffalo from Chicago in an average week. Users have rated it 7.4/10 across 8,614 reviews.


Traveling to a place near Buffalo?

Book flights to Buffalo if you plan to visit one of these locations
Batavia
Williamsville
Cheektowaga
Amherst
Tonawanda
Lockport
Grand Island
West Seneca
East Aurora
Orchard Park
Bowmansville
Eden
Angola

Why use momondo?

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

Finding the right flight to Buffalo from Chicago is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Buffalo quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to Buffalo from Chicago with this policy.

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

momondo provides multiple filters to help you find the best flight to Buffalo from Chicago. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Buffalo from Chicago are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


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