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Cheap flights from Seattle to Buffalo from $96

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Buffalo departing on 6/6. 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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0 bags

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Find the cheapest flights from Seattle to Buffalo

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Seattle to Buffalo.
American Airlines Logo
10:46 am - 11:54 pmSEA-BUF
10h 08m1 stop
American Airlines Logo
12:26 pm - 8:04 pmBUF-SEA
10h 38m1 stop
$249American Airlines
Find Deal
Wed, Sep 3 - Tue, Sep 9
American Airlines Logo
6:20 am - 8:18 pmSEA-BUF
10h 58m1 stop
American Airlines Logo
5:10 am - 12:47 pmBUF-SEA
10h 37m1 stop
$254American Airlines
Find Deal
Thu, May 29 - Tue, Jun 3
Delta Logo
11:10 pm - 11:00 amSEA-BUF
8h 50m1 stop
Delta Logo
7:39 pm - 11:53 pmBUF-SEA
7h 14m1 stop
$325Delta
Find Deal
Thu, Jun 5 - Tue, Jun 10
United Airlines Logo
10:55 am - 9:22 pmSEA-BUF
7h 27m1 stop
United Airlines Logo
7:00 am - 11:32 amBUF-SEA
7h 32m1 stop
$343United Airlines
Find Deal
Wed, May 21 - Mon, May 26
Delta Logo
10:55 pm - 8:22 amSEA-BUF
6h 27m1 stop
Delta Logo
3:51 pm - 10:22 pmBUF-SEA
9h 31m1 stop
$347Delta
Find Deal
Sat, Jun 7 - Sat, Jun 14
Southwest Logo
5:35 am - 3:40 pmSEA-BUF
7h 05m1 stop
Southwest Logo
7:40 am - 3:20 pmBUF-SEA
10h 40m2 stops
$348Southwest
Find Deal
Wed, Sep 3 - Tue, Sep 9
Southwest Logo
6:15 am - 9:05 pmSEA-BUF
11h 50m2 stops
Southwest Logo
8:30 pm - 12:50 amBUF-SEA
7h 20m1 stop
$356Southwest
Find Deal
Wed, Jun 4 - Thu, Jun 5
United Airlines Logo
12:20 am - 9:54 amSEA-BUF
6h 34m1 stop
United Airlines Logo
5:54 pm - 11:59 pmBUF-SEA
9h 05m1 stop
$369United Airlines
Find Deal
Tue, Jul 1 - Wed, Jul 9
Alaska Airlines Logo
7:00 am - 11:22 pmSEA-BUF
13h 22m2 stops
Alaska Airlines Logo
5:10 am - 10:27 amBUF-SEA
8h 17m1 stop
$412Alaska Airlines
Find Deal
Wed, May 21 - Wed, May 28
Alaska Airlines Logo
7:00 am - 11:22 pmSEA-BUF
13h 22m2 stops
Alaska Airlines Logo
6:00 pm - 9:09 amBUF-SEA
18h 09m2 stops
$417Alaska Airlines
Find Deal
Wed, May 21 - Wed, May 28

Delta flights from Seattle to Buffalo

Our best Delta deals on Seattle to Buffalo flight tickets
Delta
Jun 5
SEA11:10 pmSeattle/Tacoma Intl
8h 50m
1 stop
BUF11:00 amBuffalo
Jun 10
BUF7:39 pmBuffalo
7h 14m
1 stop
SEA11:53 pmSeattle/Tacoma Intl
Delta
Jun 7
SEA10:55 pmSeattle/Tacoma Intl
6h 27m
1 stop
BUF8:22 amBuffalo
Jun 14
BUF3:51 pmBuffalo
9h 31m
1 stop
SEA10:22 pmSeattle/Tacoma Intl
Delta
Jun 13
SEA9:58 pmSeattle/Tacoma Intl
7h 23m
1 stop
BUF8:21 amBuffalo
Jun 15
BUF6:30 amBuffalo
7h 00m
1 stop
SEA10:30 amSeattle/Tacoma Intl

Alaska Airlines flights from Seattle to Buffalo

Our best Alaska Airlines deals on Seattle to Buffalo flight tickets
Alaska Airlines
May 21
SEA7:00 amSeattle/Tacoma Intl
13h 22m
2 stops
BUF11:22 pmBuffalo
May 28
BUF5:10 amBuffalo
8h 17m
1 stop
SEA10:27 amSeattle/Tacoma Intl
Alaska Airlines
May 21
SEA7:00 amSeattle/Tacoma Intl
13h 22m
2 stops
BUF11:22 pmBuffalo
May 28
BUF6:00 pmBuffalo
18h 09m
2 stops
SEA9:09 amSeattle/Tacoma Intl
Alaska Airlines
May 25
SEA7:00 amSeattle/Tacoma Intl
13h 22m
2 stops
BUF11:22 pmBuffalo
May 28
BUF3:00 pmBuffalo
8h 35m
1 stop
SEA8:35 pmSeattle/Tacoma Intl

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 cheapest month to fly to Buffalo?

If you aren’t able to travel during the month of September, then book flights to Buffalo from Seattle during October instead. Flights to Buffalo in October, while not as cheap as those in September, still average around $416.

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 $465. Flights from Seattle to Buffalo on a Saturday will generally be more expensive and average around $611. 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 Seattle to Buffalo when you can find flight prices for as low as $467. Flying to Buffalo in the evening is an ideal time because this is during off-peak travel hours. In the afternoon is when there is more demand to fly to Buffalo, so prices are often more expensive at around $547 per ticket.

What is the cheapest Seattle/Tacoma Intl to Buffalo flight route?

Fly from Seattle/Tacoma Intl to Buffalo for the best Seattle/Tacoma 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 Seattle when booking 26 weeks ahead of your departure date. In general, you can expect to find flights to Buffalo for around $505 when searching 26 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 $330 on momondo.

What cabin class options are available on Seattle/Tacoma Intl to Buffalo flights?

There are 1 cabin classes available to choose from on Seattle/Tacoma Intl 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 Seattle to Buffalo flight prices changed over time?

As of April 2025, prices for Seattle to Buffalo flights are approximately 39% more expensive 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

$96

Fastest flight time

6h 07m

Direct flights

None

Airports in Buffalo

1 airport
The best one-way flight to Buffalo from Seattle in the past 72 hours is $96. The best round-trip flight deal from Seattle to Buffalo found on momondo in the last 72 hours is $249.
The fastest flight from Seattle to Buffalo takes 6h 07m
There are no direct flights from Seattle to Buffalo. Popular non-direct route for this connection is Seattle/Tacoma Intl Airport - Buffalo Airport.
There is 1 airport near Buffalo: Buffalo (BUF)

  • 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 25m 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 plane model from Seattle to Buffalo?

  • 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
FrontierPriceFrom $130Free CancellationRating
5.9
3,283 reviews
Search Frontier flights
JetBluePriceFrom $239Free CancellationRating
7.3
2,924 reviews
Search JetBlue flights
American AirlinesPriceFrom $291Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $342Free CancellationRating
7.4
8,685 reviews
Search United Airlines flights
DeltaPriceFrom $346Free CancellationRating
8.0
7,920 reviews
Search Delta flights
SouthwestPriceFrom $366Free CancellationRating
8.0
4,287 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $445Free CancellationRating
8.0
9,918 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
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 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.


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