Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Seattle to Buffalo from $145

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 7/9. 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

Discover deals from 900+ travel sites with momondo.

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

KAYAK's recommended round-trip deals from the most popular airlines that fly from Seattle to Buffalo.
JetBlue Logo
9:50 pm - 11:38 amSEA-BUF
10h 48m1 stop
JetBlue Logo
12:23 pm - 10:10 pmBUF-SEA
12h 47m1 stop
$270JetBlue
Find Deal
Wed, Jul 9 - Tue, Jul 22
JetBlue Logo
10:40 pm - 9:43 amSEA-BUF
8h 03m1 stop
JetBlue Logo
3:05 pm - 8:54 pmBUF-SEA
8h 49m1 stop
$271JetBlue
Find Deal
Tue, May 6 - Fri, May 9
United Airlines Logo
12:46 pm - 11:44 pmSEA-BUF
7h 58m1 stop
United Airlines Logo
6:00 am - 11:32 amBUF-SEA
8h 32m1 stop
$307United Airlines
Find Deal
Tue, Apr 22 - Tue, Apr 29
United Airlines Logo
7:00 am - 4:55 pmSEA-BUF
6h 55m1 stop
United Airlines Logo
6:00 am - 3:58 pmBUF-SEA
12h 58m2 stops
$312United Airlines
Find Deal
Tue, Apr 22 - Tue, Apr 29
American Airlines Logo
11:20 am - 9:35 pmSEA-BUF
7h 15m1 stop
American Airlines Logo
11:47 am - 7:25 pmBUF-SEA
10h 38m1 stop
$325American Airlines
Find Deal
Thu, Apr 24 - Tue, Apr 29
Delta Logo
11:15 am - 11:00 pmSEA-BUF
8h 45m1 stop
Delta Logo
3:52 pm - 10:44 pmBUF-SEA
9h 52m1 stop
$343Delta
Find Deal
Fri, Apr 25 - Wed, Apr 30
Delta Logo
6:05 am - 6:15 pmSEA-BUF
9h 10m1 stop
Delta Logo
3:50 pm - 10:25 pmBUF-SEA
9h 35m1 stop
$346Delta
Find Deal
Tue, Jul 8 - Tue, Jul 22
American Airlines Logo
11:59 pm - 12:01 pmSEA-BUF
9h 02m1 stop
American Airlines Logo
4:00 pm - 9:59 pmBUF-SEA
8h 59m1 stop
$363American Airlines
Find Deal
Fri, Apr 25 - Sat, May 3
Alaska Airlines Logo
6:00 am - 11:53 pmSEA-BUF
14h 53m2 stops
Alaska Airlines Logo
6:00 pm - 9:09 amBUF-SEA
18h 09m2 stops
$562Alaska Airlines
Find Deal
Thu, May 15 - Tue, May 20
Alaska Airlines Logo
8:13 am - 11:22 pmSEA-BUF
12h 09m2 stops
Alaska Airlines Logo
2:25 pm - 9:39 pmBUF-SEA
10h 14m2 stops
$597Alaska Airlines
Find Deal
Mon, May 5 - Thu, May 8

Alaska Airlines flights from Seattle to Buffalo

Our best Alaska Airlines deals on Seattle to Buffalo flight tickets
Alaska Airlines
May 15
SEA6:00 amSeattle/Tacoma Intl
14h 53m
2 stops
BUF11:53 pmBuffalo
May 20
BUF6:00 pmBuffalo
18h 09m
2 stops
SEA9:09 amSeattle/Tacoma Intl
Alaska Airlines
May 5
SEA8:13 amSeattle/Tacoma Intl
12h 09m
2 stops
BUF11:22 pmBuffalo
May 8
BUF2:25 pmBuffalo
10h 14m
2 stops
SEA9:39 pmSeattle/Tacoma Intl

American Airlines flights from Seattle to Buffalo

Our best American Airlines deals on Seattle to Buffalo flight tickets
American Airlines
Apr 24
SEA11:20 amSeattle/Tacoma Intl
7h 15m
1 stop
BUF9:35 pmBuffalo
Apr 29
BUF11:47 amBuffalo
10h 38m
1 stop
SEA7:25 pmSeattle/Tacoma Intl
American Airlines
Apr 25
SEA11:59 pmSeattle/Tacoma Intl
9h 02m
1 stop
BUF12:01 pmBuffalo
May 3
BUF4:00 pmBuffalo
8h 59m
1 stop
SEA9:59 pmSeattle/Tacoma Intl
American Airlines
May 14
SEA5:20 amSeattle/Tacoma Intl
9h 58m
1 stop
BUF6:18 pmBuffalo
May 15
BUF7:32 pmBuffalo
8h 13m
1 stop
SEA12:45 amSeattle/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 $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 April 2025, prices for Seattle to Buffalo flights are approximately 14% 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

$145

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 $145. The best round-trip flight deal from Seattle to Buffalo found on momondo in the last 72 hours is $270.
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 07m 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
5.9
3,276 reviews
Search Frontier flights
JetBluePriceFrom $239Free CancellationRating
7.3
2,920 reviews
Search JetBlue flights
American AirlinesPriceFrom $274Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $339Free CancellationRating
8.0
7,897 reviews
Search Delta flights
United AirlinesPriceFrom $339Free CancellationRating
7.4
8,616 reviews
Search United Airlines flights
SouthwestPriceFrom $366Free CancellationRating
8.0
4,274 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $445Free CancellationRating
8.0
9,825 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.


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 4/8
Tue 4/15

Find better results for your trip to the United States