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Cheap flights from Chicago O'Hare Intl Airport to Buffalo from $89

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 O'Hare Intl Airport to Buffalo departing on 9/1. 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 O'Hare Intl Airport to Buffalo

Cheap round-trip flights

United Airlines Logo
7:45 pm - 10:28 pmORD-BUF
1h 43mnonstop
United Airlines Logo
10:55 am - 11:51 amBUF-ORD
1h 56mnonstop
$177United Airlines
Find Deal
Sat, Aug 16 - Tue, Aug 19
American Airlines Logo
2:26 pm - 5:10 pmORD-BUF
1h 44mnonstop
American Airlines Logo
4:36 pm - 5:37 pmBUF-ORD
2h 01mnonstop
$178American Airlines
Find Deal
Thu, Aug 28 - Thu, Sep 4
American Airlines Logo
8:24 am - 11:04 amORD-BUF
1h 40mnonstop
American Airlines Logo
6:29 am - 7:24 amBUF-ORD
1h 55mnonstop
$179American Airlines
Find Deal
Thu, Aug 14 - Mon, Aug 18
Delta Logo
10:35 am - 4:58 pmORD-BUF
5h 23m1 stop
Delta Logo
3:45 pm - 10:37 pmBUF-ORD
7h 52m1 stop
$197Delta
Find Deal
Tue, Oct 21 - Wed, Oct 29
Southwest Logo
1:50 pm - 8:10 pmORD-BUF
5h 20m1 stop
Southwest Logo
7:10 am - 12:45 pmBUF-ORD
6h 35m2 stops
$202Southwest
Find Deal
Tue, Oct 21 - Wed, Oct 29
Delta Logo
7:00 pm - 11:18 pmORD-BUF
3h 18m1 stop
Delta Logo
6:20 am - 10:20 amBUF-ORD
5h 00m1 stop
$208Delta
Find Deal
Sun, Aug 17 - Tue, Aug 19
United Airlines Logo
6:20 pm - 9:01 pmORD-BUF
1h 41mnonstop
United Airlines Logo
7:00 am - 7:56 amBUF-ORD
1h 56mnonstop
$219United Airlines
Find Deal
Sun, Aug 10 - Sun, Aug 17
Frontier Logo
5:10 am - 11:38 amORD-BUF
5h 28m1 stop
Frontier Logo
2:22 pm - 12:32 amBUF-ORD
11h 10m1 stop
$220Frontier
Find Deal
Fri, Aug 29 - Sun, Aug 31
Southwest Logo
1:50 pm - 7:35 pmORD-BUF
4h 45m1 stop
Southwest Logo
5:50 am - 11:50 amBUF-ORD
7h 00m1 stop
$227Southwest
Find Deal
Thu, Aug 14 - Tue, Aug 19
Frontier Logo
11:15 am - 8:16 pmORD-BUF
8h 01m1 stop
Frontier Logo
2:11 pm - 12:10 amBUF-ORD
10h 59m1 stop
$242Frontier
Find Deal
Thu, Jul 24 - Mon, Jul 28

Southwest flights from Chicago O'Hare Intl Airport to Buffalo

Our best Southwest deals on Chicago O'Hare Intl Airport to Buffalo flight tickets
Southwest
Oct 21
ORD1:50 pmChicago O'Hare Intl
5h 20m
1 stop
BUF8:10 pmBuffalo
Oct 29
BUF7:10 amBuffalo
6h 35m
2 stops
ORD12:45 pmChicago O'Hare Intl
$202
Find similar
Southwest
Aug 14
ORD1:50 pmChicago O'Hare Intl
4h 45m
1 stop
BUF7:35 pmBuffalo
Aug 19
BUF5:50 amBuffalo
7h 00m
1 stop
ORD11:50 amChicago O'Hare Intl
$227
Find similar
Southwest
Aug 14
ORD2:55 pmChicago O'Hare Intl
7h 10m
2 stops
BUF11:05 pmBuffalo
Aug 19
BUF5:50 amBuffalo
7h 00m
1 stop
ORD11:50 amChicago O'Hare Intl
$232
Find similar

American Airlines flights from Chicago O'Hare Intl Airport to Buffalo

Our best American Airlines deals on Chicago O'Hare Intl Airport to Buffalo flight tickets
American Airlines
Aug 28
ORD2:26 pmChicago O'Hare Intl
1h 44m
BUF5:10 pmBuffalo
Sep 4
BUF4:36 pmBuffalo
2h 01m
ORD5:37 pmChicago O'Hare Intl
$178
Find similar
American Airlines
Aug 14
ORD8:24 amChicago O'Hare Intl
1h 40m
BUF11:04 amBuffalo
Aug 18
BUF6:29 amBuffalo
1h 55m
ORD7:24 amChicago O'Hare Intl
$179
Find similar
American Airlines
Aug 8
ORD7:10 pmChicago O'Hare Intl
1h 42m
BUF9:52 pmBuffalo
Aug 11
BUF6:29 amBuffalo
1h 55m
ORD7:24 amChicago O'Hare Intl
$188
Find similar

See travel insights to Buffalo from

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport 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 September, then book flights to Buffalo from Chicago O'Hare Intl Airport during May instead. Flights to Buffalo in May, while not as cheap as those in September, still average around $301.

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 $327. Flights from Chicago O'Hare Intl Airport to Buffalo on a Sunday will generally be more expensive and average around $359. 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?

At noon is the cheapest time of day to fly from Chicago O'Hare Intl Airport to Buffalo when you can find flight prices for as low as $330. Flying to Buffalo at noon is an ideal time because this is during off-peak travel hours. In the evening is when there is more demand to fly to Buffalo, so prices are often more expensive at around $349 per ticket.

What is the cheapest Chicago O'Hare Intl to Buffalo flight route?

Fly from Chicago O'Hare Intl to Buffalo for the best Chicago O'Hare Intl - 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 O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Buffalo for around $334 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Buffalo from Chicago O'Hare Intl Airport for as low as $232 on momondo.

What cabin class options are available on Chicago O'Hare Intl to Buffalo flights?

There are 4 cabin classes available to choose from on Chicago O'Hare Intl to Buffalo 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 Chicago O'Hare Intl Airport to Buffalo flights?

No. A direct flight is the cheapest option for a flight between Chicago O'Hare Intl Airport to Buffalo.

How have Chicago O'Hare Intl Airport to Buffalo flight prices changed over time?

As of July 2025, prices for Chicago O'Hare Intl Airport to Buffalo flights are approximately 55% cheaper when compared to flights at the same time last year.

When to book flights from Chicago O'Hare Intl Airport to Buffalo

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

Cheap Chicago O'Hare Intl Airport to Buffalo (ORD to BUF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Buffalo

Best Price Found

$89

Fastest flight time

1h 36m

Direct flights

Every day

Airports in Buffalo

1 airport
The best one-way flight to Buffalo from Chicago O'Hare Intl Airport in the past 72 hours is $89. The best round-trip flight deal from Chicago O'Hare Intl Airport to Buffalo found on momondo in the last 72 hours is $177.
The fastest flight from Chicago O'Hare Intl Airport to Buffalo takes 1h 36m
Direct flights go from Chicago O'Hare Intl Airport to Buffalo every day.
There is 1 airport near Buffalo: Buffalo (BUF)
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  • How far is Chicago O'Hare Intl to Buffalo by plane?

    A flight from Chicago O'Hare Intl to Buffalo will travel around 464.0 mi. In terms of flight time, this usually takes a little over 1h 38m.

  • When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Buffalo Airport?

    Prices for flights from Chicago O'Hare Intl Airport to Buffalo Airport are updated daily.

  • How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Buffalo Airport?

  • How old do you have to be to fly from Chicago O'Hare Intl Airport 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 Chicago O'Hare Intl Airport to Buffalo Airport.

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

    The required travel and health documents for your Buffalo Airport 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 Buffalo Airport. 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 Chicago O'Hare Intl Airport to Buffalo?

  • What is the most popular airline from Chicago O'Hare Intl Airport to Buffalo?

Best airlines flying from Chicago O'Hare Intl Airport to Buffalo

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Buffalo with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $121Free CancellationRating
5.9
3,260 reviews
Search Frontier flights
American AirlinesPriceFrom $158Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $204Free CancellationRating
7.4
8,856 reviews
Search United Airlines flights

  • United Airlines Flights From Chicago O'Hare Intl Airport to Buffalo

    United Airlines operates around 23 flights from Chicago O'Hare Intl Airport to Buffalo every week. The average price of these flights found in the last 72 hours has been $380, but momondo users have found United Airlines deals from Chicago O'Hare Intl Airport to Buffalo from as low as $204 round-trip. United Airlines has been scored 7.4/10 in 8,856 reviews.

  • American Airlines Flights From Chicago O'Hare Intl Airport to Buffalo

    $158 is the best American Airlines flight deal from Chicago O'Hare Intl Airport to Buffalo found on momondo over the last 72 hours. The average American Airlines ticket price found was closer to $324, however, with flight time and availability significantly affecting the price. American Airlines (7.2/10 from 10,000 user reviews) flies into Buffalo from Chicago O'Hare Intl Airport 26 times in an average week so prices can vary.

Traveling to a place near Buffalo?

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

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Chicago to Buffalo for you.

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?

Once you have performed a search for Chicago to Buffalo flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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.

An easier way to manage your Buffalo trip

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