Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Seattle to Buffalo from $163

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to Buffalo

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
10:48 pm - 10:18 amSEA  Seattle/Tacoma Intl-BUF Buffalo
8h 30m1 stop Philadelphia
American Airlines Logo
3:56 pm - 11:10 pmBUF  Buffalo-SEA Seattle/Tacoma Intl
10h 14m1 stop Charlotte Douglas
$311American Airlines
Sat, Oct 10 - Sat, Oct 17
American Airlines Logo
10:48 pm - 12:46 pmSEA  Seattle/Tacoma Intl-BUF Buffalo
10h 58m1 stop Philadelphia
American Airlines Logo
8:00 am - 2:17 pmBUF  Buffalo-SEA Seattle/Tacoma Intl
9h 17m1 stop Chicago O'Hare Intl
$311American Airlines
Tue, Oct 13 - Tue, Oct 20
United Airlines Logo
11:13 pm - 9:29 amSEA  Seattle/Tacoma Intl-BUF Buffalo
7h 16m1 stop Chicago O'Hare Intl
United Airlines Logo
10:46 am - 3:52 pmBUF  Buffalo-SEA Seattle/Tacoma Intl
8h 06m1 stop Chicago O'Hare Intl
$311United Airlines
Wed, Oct 14 - Sat, Oct 24
United Airlines Logo
11:13 pm - 9:29 amSEA  Seattle/Tacoma Intl-BUF Buffalo
7h 16m1 stop Chicago O'Hare Intl
United Airlines Logo
5:45 pm - 10:56 pmBUF  Buffalo-SEA Seattle/Tacoma Intl
8h 11m1 stop Chicago O'Hare Intl
$311United Airlines
Wed, Oct 14 - Sat, Oct 17
Delta Logo
6:00 am - 3:13 pmSEA  Seattle/Tacoma Intl-BUF Buffalo
6h 13m1 stop Detroit Metropolitan Wayne County
Delta Logo
3:53 pm - 10:05 pmBUF  Buffalo-SEA Seattle/Tacoma Intl
9h 12m1 stop Detroit Metropolitan Wayne County
$357Delta
Mon, Oct 19 - Thu, Oct 22
Delta Logo
6:00 am - 3:19 pmSEA  Seattle/Tacoma Intl-BUF Buffalo
6h 19m1 stop Detroit Metropolitan Wayne County
Delta Logo
9:15 am - 3:03 pmBUF  Buffalo-SEA Seattle/Tacoma Intl
8h 48m1 stop Detroit Metropolitan Wayne County
$357Delta
Sat, Dec 5 - Tue, Dec 8
Southwest Logo
5:30 am - 10:25 pmSEA  Seattle/Tacoma Intl-BUF Buffalo
13h 55m2 stops Phoenix Sky Harbor Intl Denver Intl
Southwest Logo
6:55 pm - 11:30 pmBUF  Buffalo-SEA Seattle/Tacoma Intl
7h 35m1 stop Chicago Midway
$362Southwest
Sat, Dec 5 - Tue, Dec 8
Southwest Logo
7:45 pm - 10:25 amSEA  Seattle/Tacoma Intl-BUF Buffalo
11h 40m2 stops Sacramento Intl Chicago Midway
Southwest Logo
2:00 pm - 10:40 pmBUF  Buffalo-SEA Seattle/Tacoma Intl
11h 40m2 stops Chicago Midway Denver Intl
$367Southwest
Wed, Oct 21 - Wed, Oct 28
Multiple Airlines Logo
12:14 pm - 1:49 pmSEA  Seattle/Tacoma Intl-BUF Buffalo
22h 35m2 stops Las Vegas Harry Reid Intl Atlanta Hartsfield-Jackson
Multiple Airlines Logo
6:40 pm - 9:32 amBUF  Buffalo-SEA Seattle/Tacoma Intl
17h 52m2 stops Chicago O'Hare Intl San Diego
$626Multiple Airlines
Wed, Nov 18 - Mon, Nov 30
Multiple Airlines Logo
11:55 pm - 10:48 amSEA  Seattle/Tacoma Intl-BUF Buffalo
7h 53m1 stop Boston Logan Intl
Multiple Airlines Logo
2:52 pm - 9:41 pmBUF  Buffalo-SEA Seattle/Tacoma Intl
9h 49m1 stop Philadelphia
$669Multiple Airlines
Thu, Oct 22 - Mon, Oct 26

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

United Airlines flights from Seattle to Buffalo

Our best United Airlines deals on Seattle to Buffalo flight tickets
United Airlines
Oct 14
SEA11:13 pmSeattle/Tacoma Intl
7h 16m
1 stop
BUF9:29 amBuffalo
Oct 17
BUF5:45 pmBuffalo
8h 11m
1 stop
SEA10:56 pmSeattle/Tacoma Intl
$311
United Airlines
Oct 14
SEA11:13 pmSeattle/Tacoma Intl
7h 16m
1 stop
BUF9:29 amBuffalo
Oct 24
BUF10:46 amBuffalo
9h 51m
2 stops
SEA5:37 pmSeattle/Tacoma Intl
$316
United Airlines
Oct 14
SEA11:13 pmSeattle/Tacoma Intl
7h 16m
1 stop
BUF9:29 amBuffalo
Oct 21
BUF7:00 amBuffalo
10h 17m
2 stops
SEA2:17 pmSeattle/Tacoma Intl
$356

American Airlines flights from Seattle to Buffalo

Our best American Airlines deals on Seattle to Buffalo flight tickets
American Airlines
Oct 10
SEA10:48 pmSeattle/Tacoma Intl
8h 30m
1 stop
BUF10:18 amBuffalo
Oct 23
BUF7:00 amBuffalo
10h 52m
1 stop
SEA2:52 pmSeattle/Tacoma Intl
$355
American Airlines
Oct 20
SEA11:59 pmSeattle/Tacoma Intl
7h 54m
1 stop
BUF10:53 amBuffalo
Oct 27
BUF5:49 pmBuffalo
9h 47m
1 stop
SEA12:36 amSeattle/Tacoma Intl
$357
American Airlines
Oct 10
SEA11:17 amSeattle/Tacoma Intl
9h 42m
1 stop
BUF11:59 pmBuffalo
Oct 24
BUF7:00 amBuffalo
10h 52m
1 stop
SEA2:52 pmSeattle/Tacoma Intl
$366

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleBuffalo

SEA Seattle/Tacoma Intl - BUF Buffalo

SEABUF

Seattle/Tacoma Intl

Sat 10/10

10:48 pm-10:18 am

1 stop8h 30m

Buffalo

Sat 10/17

3:56 pm-11:10 pm

1 stop10h 14m

$311

SeattleBuffalo

SEA Seattle/Tacoma Intl - BUF Buffalo

SEABUF

Seattle/Tacoma Intl

Tue 10/13

10:48 pm-12:46 pm

1 stop10h 58m

Buffalo

Tue 10/20

8:00 am-2:17 pm

1 stop9h 17m

$311

SeattleBuffalo

SEA Seattle/Tacoma Intl - BUF Buffalo

SEABUF

Seattle/Tacoma Intl

Wed 10/14

11:13 pm-9:29 am

1 stop7h 16m

Buffalo

Sat 10/24

10:46 am-3:52 pm

1 stop8h 06m

$311

SeattleBuffalo

SEA Seattle/Tacoma Intl - BUF Buffalo

SEABUF

Seattle/Tacoma Intl

Wed 10/14

11:13 pm-9:29 am

1 stop7h 16m

Buffalo

Sat 10/17

5:45 pm-10:56 pm

1 stop8h 11m

$311

SeattleBuffalo

SEA Seattle/Tacoma Intl - BUF Buffalo

SEABUF

Seattle/Tacoma Intl

Mon 10/19

6:00 am-3:13 pm

1 stop6h 13m

Buffalo

Thu 10/22

3:53 pm-10:05 pm

1 stop9h 12m

$357
Quickest round-trip

SeattleBuffalo

SEA Seattle/Tacoma Intl - BUF Buffalo

SEABUF

Seattle/Tacoma Intl

Sat 12/5

6:00 am-3:19 pm

1 stop6h 19m

Buffalo

Tue 12/8

9:15 am-3:03 pm

1 stop8h 48m

$357

SeattleBuffalo

SEA Seattle/Tacoma Intl - BUF Buffalo

SEABUF

Seattle/Tacoma Intl

Sat 12/5

5:30 am-10:25 pm

2 stops13h 55m

Buffalo

Tue 12/8

6:55 pm-11:30 pm

1 stop7h 35m

$362

SeattleBuffalo

SEA Seattle/Tacoma Intl - BUF Buffalo

SEABUF

Seattle/Tacoma Intl

Wed 10/21

7:45 pm-10:25 am

2 stops11h 40m

Buffalo

Wed 10/28

2:00 pm-10:40 pm

2 stops11h 40m

$367

SeattleBuffalo

SEA Seattle/Tacoma Intl - BUF Buffalo

SEABUF

Seattle/Tacoma Intl

Wed 11/18

12:14 pm-1:49 pm

2 stops22h 35m

Buffalo

Mon 11/30

6:40 pm-9:32 am

2 stops17h 52m

$626

SeattleBuffalo

SEA Seattle/Tacoma Intl - BUF Buffalo

SEABUF

Seattle/Tacoma Intl

Thu 10/22

11:55 pm-10:48 am

1 stop7h 53m

Buffalo

Mon 10/26

2:52 pm-9:41 pm

1 stop9h 49m

$669

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Buffalo from

How to get the cheapest flight ticket from Seattle 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 Seattle and Buffalo?

Prices are currently low for flights on this route.

Typical prices usually range from $374 to $583.
The lowest price recently found on this route was $311.

What is the cheapest month to fly to Buffalo?

If you aren’t able to travel during the month of March, then book flights to Buffalo from Seattle during October instead. Flights to Buffalo in October, while not as cheap as those in March, still average around $418.

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

You are more likely to see cheaper flights to Buffalo from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Buffalo for around $523 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Buffalo from Seattle for as low as $422 on momondo.

Can stopping save me money on Seattle to Buffalo flights?

You could potentially save up to 27% on your flight if you consider stops on a Seattle to Buffalo flight.

How have Seattle to Buffalo flight prices changed over time?

As of September 2026, prices for Seattle to Buffalo flights are approximately 20% cheaper when compared to flights at the same time last year.

When to book flights from Seattle to Buffalo

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

Cheap Seattle to Buffalo (SEA to BUF) flight deals and tips

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

Best Price Found

$163

Fastest flight time

6h 24m

Direct flights

None
The best one-way flight to Buffalo from Seattle in the past 72 hours is $163. The best round-trip flight deal from Seattle to Buffalo found on momondo in the last 72 hours is $311.
The fastest flight from Seattle to Buffalo takes 6h 24m
There are no direct flights from Seattle to Buffalo. There are no popular flight routes from Seattle to Buffalo.
Search flight deals

Frequently asked questions about flying from Seattle to Buffalo

  • How far is Seattle/Tacoma Intl to Buffalo by plane?

    Buffalo is 2109.4 mi away from Seattle/Tacoma Intl. Typically, this will take 6h 24m by plane in normal conditions.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Buffalo Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Buffalo Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Buffalo Airport?

  • How old do you have to be to fly from Seattle/Tacoma 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 Seattle/Tacoma Intl Airport to Buffalo Airport.

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

    The necessary travel and health documents for your Buffalo Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from Seattle to Buffalo

Compare and see reviews for airlines that fly from Seattle to Buffalo with momondo
Airline
Rating
Free Cancellation
Price
JetBluePriceFrom $131Free CancellationRating
7.1
3,036 reviews
Search JetBlue flights
DeltaPriceFrom $302Free CancellationRating
7.8
8,597 reviews
Search Delta flights
United AirlinesPriceFrom $346Free CancellationRating
7.4
10,222 reviews
Search United Airlines flights
American AirlinesPriceFrom $355Free CancellationRating
7.0
12,082 reviews
Search American Airlines flights
SouthwestPriceFrom $389Free CancellationRating
8.0
4,195 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $648Free CancellationRating
7.9
12,953 reviews
Search Alaska Airlines flights

Traveling to a place near Buffalo?

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

Why use momondo?

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

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

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

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

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

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

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

Yes. momondo can track prices for Seattle to Buffalo flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Buffalo trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 10/22
Thu 10/29
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States