Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Seattle to Buffalo from $126

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 3/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Deals available from 900+ travel sites.

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.

Find the cheapest flights from Seattle to Buffalo

Cheap round-trip flights

These are some of the best round-trip flight deals from Seattle to Buffalo that have been recently found on momondo from popular airlines, departing in the coming months.
11:59 pm - 4:20 pmSEA-BUF
13h 21m1 stop
12:44 pm - 11:09 pmBUF-SEA
13h 25m1 stop
$252American Airlines
Find Deal
Tue, Apr 15 - Tue, Apr 22
11:59 pm - 4:20 pmSEA-BUF
13h 21m1 stop
2:58 pm - 11:09 pmBUF-SEA
11h 11m1 stop
$258American Airlines
Find Deal
Fri, Apr 25 - Wed, Apr 30
6:00 am - 5:34 pmSEA-BUF
8h 34m1 stop
3:52 pm - 10:44 pmBUF-SEA
9h 52m1 stop
$307Delta
Find Deal
Tue, Apr 8 - Tue, Apr 15
12:46 pm - 11:44 pmSEA-BUF
7h 58m1 stop
7:00 am - 3:58 pmBUF-SEA
11h 58m2 stops
$312United Airlines
Find Deal
Wed, Apr 23 - Tue, Apr 29
7:10 am - 10:55 pmSEA-BUF
12h 45m2 stops
3:25 pm - 11:50 pmBUF-SEA
11h 25m1 stop
$315Southwest
Find Deal
Tue, Apr 15 - Tue, Apr 22
10:55 pm - 8:17 amSEA-BUF
6h 22m1 stop
6:15 am - 10:33 amBUF-SEA
7h 18m1 stop
$362Delta
Find Deal
Sat, Apr 12 - Sat, Apr 19
10:50 am - 11:44 pmSEA-BUF
9h 54m2 stops
7:00 am - 3:58 pmBUF-SEA
11h 58m2 stops
$363United Airlines
Find Deal
Wed, Apr 23 - Tue, Apr 29
9:35 am - 9:15 pmSEA-BUF
8h 40m1 stop
10:55 am - 7:35 pmBUF-SEA
11h 40m2 stops
$395Southwest
Find Deal
Fri, Apr 25 - Wed, Apr 30
8:55 am - 9:31 pmSEA-BUF
9h 36m1 stop
5:30 am - 11:06 amBUF-SEA
8h 36m1 stop
$552Alaska Airlines
Find Deal
Tue, Mar 11 - Tue, Mar 18
11:46 am - 9:31 pmSEA-BUF
6h 45m1 stop
5:30 am - 5:55 pmBUF-SEA
15h 25m2 stops
$557Alaska Airlines
Find Deal
Tue, Mar 11 - Tue, Mar 18

Delta flights from Seattle to Buffalo

Our best Delta deals on Seattle to Buffalo flight tickets
Delta
Apr 8
SEA6:00 amSeattle/Tacoma Intl
8h 34m
1 stop
BUF5:34 pmBuffalo
Apr 15
BUF3:52 pmBuffalo
9h 52m
1 stop
SEA10:44 pmSeattle/Tacoma Intl
Delta
Apr 12
SEA10:55 pmSeattle/Tacoma Intl
6h 22m
1 stop
BUF8:17 amBuffalo
Apr 19
BUF6:15 amBuffalo
7h 18m
1 stop
SEA10:33 amSeattle/Tacoma Intl
Delta
Apr 28
SEA10:59 pmSeattle/Tacoma Intl
9h 01m
1 stop
BUF11:00 amBuffalo
May 22
BUF9:02 amBuffalo
16h 19m
1 stop
SEA10:21 pmSeattle/Tacoma Intl

Alaska Airlines flights from Seattle to Buffalo

Our best Alaska Airlines deals on Seattle to Buffalo flight tickets
Alaska Airlines
Mar 11
SEA8:55 amSeattle/Tacoma Intl
9h 36m
1 stop
BUF9:31 pmBuffalo
Mar 18
BUF5:30 amBuffalo
8h 36m
1 stop
SEA11:06 amSeattle/Tacoma Intl
Alaska Airlines
Mar 11
SEA11:46 amSeattle/Tacoma Intl
6h 45m
1 stop
BUF9:31 pmBuffalo
Mar 18
BUF5:30 amBuffalo
15h 25m
2 stops
SEA5:55 pmSeattle/Tacoma Intl
Alaska Airlines
May 20
SEA8:05 amSeattle/Tacoma Intl
12h 46m
2 stops
BUF11:51 pmBuffalo
May 27
BUF5:20 amBuffalo
14h 33m
2 stops
SEA4:53 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 $515 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 $278 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 February 2025, prices for Seattle to Buffalo flights are approximately 75% 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

$126

Fastest flight time

6h 22m

Direct flights

None

Airports in Buffalo

1 airport
The best one-way flight to Buffalo from Seattle in the past 72 hours is $126. The best round-trip flight deal from Seattle to Buffalo found on momondo in the last 72 hours is $252.
The fastest flight from Seattle to Buffalo takes 6h 22m
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 22m 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 $154Free CancellationRating
6.0
3,340 reviews
Search Frontier flights
JetBluePriceFrom $239Free CancellationRating
7.4
3,038 reviews
Search JetBlue flights
American AirlinesPriceFrom $274Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $341Free CancellationRating
8.0
8,147 reviews
Search Delta flights
United AirlinesPriceFrom $345Free CancellationRating
7.4
8,726 reviews
Search United Airlines flights
SouthwestPriceFrom $366Free CancellationRating
8.1
4,369 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $445Free CancellationRating
8.0
9,717 reviews
Search Alaska Airlines flights
  • United Airlines Flights From Seattle to Buffalo

    United Airlines flight deals from Seattle to Buffalo start from $345 round-trip. Over the 5 United Airlines flights for this route in a normal week, average airfare is usually $570 round-trip - but some users have found much cheaper deals with momondo.


Traveling to a place near Buffalo?

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


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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Tue 3/4
Tue 3/11

Find better results for your trip to the United States