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Cheap flights from Buffalo to Seattle from C$ 220

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Buffalo to Seattle departing on 12/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Find the cheapest flights from Buffalo to Seattle

Cheap round-trip flights

These are some of the best round-trip flight deals from Buffalo to Seattle that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Buffalo to Seattle.

Cheap last-minute flights

Planning a quick getaway from Buffalo to Seattle? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Seattle, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Buffalo to Seattle

Find recent round-trip train or bus tickets from Buffalo to Seattle.

All round-trip flight deals from Buffalo to Seattle

The cheapest plane tickets from Buffalo to Seattle found on KAYAK recently.
5:10 p.m. - 10:38 p.m.BUF-SEA
8h 28m1 stop
11:48 p.m. - 10:54 a.m.SEA-BUF
8h 06m1 stop
C$ 361JetBlue
Find Deal
Wed, 19 Feb - Wed, 26 Feb
4:22 p.m. - 10:38 p.m.BUF-SEA
9h 16m1 stop
11:48 p.m. - 10:54 a.m.SEA-BUF
8h 06m1 stop
C$ 414JetBlue
Find Deal
Fri, 21 Feb - Mon, 24 Feb
3:59 p.m. - 10:25 p.m.BUF-SEA
9h 26m1 stop
6:00 a.m. - 5:06 p.m.SEA-BUF
8h 06m1 stop
C$ 484Delta
Find Deal
Tue, 11 Feb - Tue, 25 Feb
3:59 p.m. - 10:25 p.m.BUF-SEA
9h 26m1 stop
7:10 a.m. - 7:19 p.m.SEA-BUF
9h 09m1 stop
C$ 499Delta
Find Deal
Wed, 5 Feb - Tue, 11 Feb
3:00 p.m. - 10:45 p.m.BUF-SEA
10h 45m2 stops
7:05 a.m. - 4:40 p.m.SEA-BUF
6h 35m1 stop
C$ 500United Airlines
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Wed, 19 Feb - Wed, 26 Feb
3:00 p.m. - 10:45 p.m.BUF-SEA
10h 45m2 stops
9:20 a.m. - 11:41 p.m.SEA-BUF
11h 21m2 stops
C$ 513United Airlines
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Wed, 19 Feb - Wed, 26 Feb
6:45 a.m. - 3:37 p.m.BUF-SEA
11h 52m1 stop
11:59 p.m. - 9:37 a.m.SEA-BUF
6h 38m1 stop
C$ 697American Airlines
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Fri, 18 Apr - Sat, 26 Apr
8:00 a.m. - 12:31 p.m.BUF-SEA
7h 31m1 stop
12:19 a.m. - 10:49 a.m.SEA-BUF
7h 30m1 stop
C$ 759American Airlines
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Wed, 25 Jun - Tue, 8 Jul
3:10 p.m. - 9:41 p.m.BUF-SEA
9h 31m1 stop
11:00 p.m. - 10:49 a.m.SEA-BUF
8h 49m1 stop
C$ 861Alaska Airlines
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Mon, 30 Jun - Fri, 4 Jul
4:58 p.m. - 9:06 a.m.BUF-SEA
19h 08m2 stops
6:00 a.m. - 3:48 p.m.SEA-BUF
6h 48m1 stop
C$ 916Alaska Airlines
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Wed, 7 May - Sun, 18 May
11:40 a.m. - 10:50 p.m.BUF-SEA
14h 10m1 stop
C$ 220Sun Country Air
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Thu, 12 Jun
2:05 p.m. - 9:29 p.m.BUF-SEA
10h 24m1 stop
C$ 234JetBlue
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Tue, 10 Jun
7:54 a.m. - 12:42 p.m.BUF-SEA
7h 48m1 stop
C$ 252American Airlines
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Wed, 5 Feb
12:29 p.m. - 9:18 p.m.BUF-SEA
11h 49m2 stops
C$ 259American Airlines
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Wed, 5 Feb
2:00 p.m. - 8:27 p.m.BUF-SEA
9h 27m1 stop
C$ 308Delta
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Mon, 9 Jun
7:45 p.m. - 11:20 a.m.BUF-SEA
18h 35m3 stops
C$ 338United Airlines
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Wed, 5 Feb
3:30 p.m. - 12:05 a.m.BUF-SEA
11h 35m1 stop
C$ 351Delta
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Sat, 14 Jun
5:50 p.m. - 10:29 p.m.BUF-SEA
7h 39m1 stop
C$ 372United Airlines
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Fri, 13 Jun
5:15 a.m. - 1:52 p.m.BUF-SEA
11h 37m2 stops
C$ 545Alaska Airlines
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Sun, 18 May
4:56 p.m. - 9:14 a.m.BUF-SEA
19h 18m2 stops
C$ 607Alaska Airlines
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Sun, 13 Apr
7:00 a.m. - 9:11 p.m.BUF-SEA
17h 11m2 stops
5:00 a.m. - 11:31 p.m.SEA-BUF
15h 31m2 stops
C$ 1,207United Airlines
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Fri, 17 Jan - Fri, 24 Jan
7:00 a.m. - 6:15 p.m.BUF-SEA
14h 15m2 stops
12:35 p.m. - 2:08 p.m.SEA-BUF
22h 33m2 stops
C$ 1,236United Airlines
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Sun, 19 Jan - Tue, 21 Jan
7:00 a.m. - 12:07 p.m.BUF-SEA
8h 07m1 stop
3:18 p.m. - 10:59 a.m.SEA-BUF
16h 41m2 stops
C$ 1,249United Airlines
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Fri, 17 Jan - Fri, 24 Jan
5:40 p.m. - 10:53 p.m.BUF-SEA
8h 13m1 stop
3:18 p.m. - 2:08 p.m.SEA-BUF
19h 50m2 stops
C$ 1,278United Airlines
Find Deal
Sun, 19 Jan - Tue, 21 Jan
4:35 p.m. - 10:30 p.m.BUF-SEA
8h 55m1 stop
7:00 a.m. - 8:45 p.m.SEA-BUF
10h 45m1 stop
C$ 1,347Southwest
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Sun, 19 Jan - Tue, 21 Jan
5:40 p.m. - 1:55 p.m.BUF-SEA
23h 15m2 stops
5:25 p.m. - 9:10 p.m.SEA-BUF
24h 45m2 stops
C$ 1,381United Airlines
Find Deal
Sat, 18 Jan - Mon, 20 Jan
7:00 a.m. - 6:15 p.m.BUF-SEA
14h 15m2 stops
8:00 a.m. - 7:08 p.m.SEA-BUF
8h 08m1 stop
C$ 1,404United Airlines
Find Deal
Sat, 18 Jan - Mon, 20 Jan
7:00 a.m. - 9:20 p.m.BUF-SEA
17h 20m3 stops
5:25 p.m. - 9:10 p.m.SEA-BUF
24h 45m2 stops
C$ 1,460United Airlines
Find Deal
Sat, 18 Jan - Mon, 20 Jan

Delta flights from Buffalo to Seattle

Our best Delta deals on Buffalo to Seattle flight tickets
Delta
11 Feb
BUF3:59 p.m.Buffalo
9h 26m
1 stop
SEA10:25 p.m.Seattle/Tacoma Intl
25 Feb
SEA6:00 a.m.Seattle/Tacoma Intl
8h 06m
1 stop
BUF5:06 p.m.Buffalo
Delta
5 Feb
BUF3:59 p.m.Buffalo
9h 26m
1 stop
SEA10:25 p.m.Seattle/Tacoma Intl
11 Feb
SEA7:10 a.m.Seattle/Tacoma Intl
9h 09m
1 stop
BUF7:19 p.m.Buffalo
Delta
11 Feb
BUF3:59 p.m.Buffalo
9h 26m
1 stop
SEA10:25 p.m.Seattle/Tacoma Intl
24 Feb
SEA10:55 p.m.Seattle/Tacoma Intl
17h 24m
1 stop
BUF7:19 p.m.Buffalo

Sun Country Air flights from Buffalo to Seattle

Our best Sun Country Air deals on Buffalo to Seattle flight tickets
Sun Country Air
3 Jul
BUF11:40 a.m.Buffalo
23h 22m
1 stop
SEA8:02 a.m.Seattle/Tacoma Intl
12 Jul
SEA11:59 p.m.Seattle/Tacoma Intl
7h 45m
1 stop
BUF10:44 a.m.Buffalo
Sun Country Air
30 Jun
BUF11:40 a.m.Buffalo
14h 10m
1 stop
SEA10:50 p.m.Seattle/Tacoma Intl
3 Jul
SEA11:59 p.m.Seattle/Tacoma Intl
7h 45m
1 stop
BUF10:44 a.m.Buffalo
Sun Country Air
27 Jun
BUF11:40 a.m.Buffalo
14h 10m
1 stop
SEA10:50 p.m.Seattle/Tacoma Intl
9 Jul
SEA6:40 p.m.Seattle/Tacoma Intl
13h 04m
1 stop
BUF10:44 a.m.Buffalo

See travel insights to Seattle from

How to get the cheapest flight ticket from Buffalo to Seattle

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 Buffalo and Seattle?

What is the cheapest month to fly to Seattle?

If you aren’t able to travel to Seattle during the month of October, then flying in September is also cheap. Prices for this month can be found on momondo for an average of C$ 573.

What is the cheapest day to depart on your flight to Seattle?

Our data shows that Sunday is the least expensive day to fly to Seattle. Tickets to fly out on this day can be as low as C$ 0. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around C$ 842. These prices are subject to change though, so be sure to set up a Price Alert for flights to Seattle.

What is the cheapest time of day to depart on your flight to Seattle?

Our most recent data shows that the best time of day to fly to Seattle is in the evening. Flights from Buffalo to Seattle during this time can be as low as C$ 477. Flights in the morning are often more expensive with an average ticket price of C$ 798.

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

You are more likely to see cheaper flights to Seattle from Buffalo when booking 26 weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around C$ 712 when searching 26 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Buffalo for as low as C$ 542 on momondo.

How have Buffalo to Seattle flight prices changed over time?

As of January 2025, prices for Buffalo to Seattle flights are approximately 2% cheaper when compared to flights at the same time last year.

When to book flights from Buffalo to Seattle

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

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

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

Best price found

C$ 220

Fastest flight time

7h 08m

Direct flights

None

Airports in Seattle

1 airport
The best one-way flight to Seattle from Buffalo in the past 72 hours is C$ 220. The best round-trip flight deal from Buffalo to Seattle found on momondo in the last 72 hours is C$ 361.
The fastest flight from Buffalo to Seattle takes 7h 08m
There are no direct flights from Buffalo to Seattle. Popular non-direct route for this connection is Buffalo Airport - Seattle/Tacoma Intl Airport.
There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)

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

    Seattle/Tacoma Intl is 3394.7 km away from Buffalo. Flights usually cover this in 7h 08m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Buffalo Airport to Seattle/Tacoma Intl Airport were last updated today.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Buffalo Airport to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The travel and health documents you'll need for your trip to Seattle/Tacoma Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Buffalo to Seattle?

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


Best airlines flying from Buffalo to Seattle

Compare and see reviews for airlines that fly from Buffalo to Seattle with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom C$ 351Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom C$ 352Free CancellationRating
8.0
8,511 reviews
Search Delta flights
SouthwestPriceFrom C$ 512Free CancellationRating
8.1
4,659 reviews
Search Southwest flights
United AirlinesPriceFrom C$ 515Free CancellationRating
7.4
8,964 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom C$ 568Free CancellationRating
8.0
9,681 reviews
Search Alaska Airlines flights

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Leavenworth
Marysville
SeaTac
Lynnwood
Olympia
Tacoma
Kent
Kirkland
Tukwila
Ocean Shores
Redmond
Lakewood
Shoreline
Renton
Centralia
Ellensburg
Mukilteo
Cle Elum
Gig Harbor
Poulsbo

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Buffalo to Seattle. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for Buffalo to Seattle flights to just show those with flexible booking policies.

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

Once all potential Buffalo to Seattle flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are simply researching potential flights to Seattle, momondo offers a useful price alert feature which will track prices for flights to Seattle from Buffalo and alert you when they change.


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