Cheap flights from Buffalo to Seattle from C$ 218

This is the cheapest one-way flight price, found on 1/6. Prices may vary by date and flight preferences.
BUF — SEA
6 Jun — 13 Jun1
Return
1 adult
Economy
From?
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Tue 6/6
Tue 13/6
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The best prices from Buffalo to Seattle/Tacoma Intl are usually found in January or December, booked 28 days in advance, depart on a Wednesday or Monday and return on a Monday

How to find the cheapest flight from Buffalo (BUF) to Seattle (SEA)

All the information you need to plan the best BUF to SEA flight in 2023: compare Buffalo to Seattle flight prices with the expected peak season, weather and rainfall in Seattle.

Popular in

July

Cheapest in

January

Round-trip from

C$ 586

One-way from

C$ 402
High demand for flights, 35% potential price rise
Best time to find cheap flights, 36% potential price drop
From Buffalo to Seattle/Tacoma Intl
One-way flight from Buffalo to Seattle/Tacoma Intl

BUF - SEA

Price

C$ 430 - C$ 858

SEA

Temperature

5 - 19 °C

SEA

Rainfall

18 - 168 mm

Cheap flights from Buffalo to Seattle in June, July 2023

The best prices found for BUF to SEA flights for June, July
Listed are some of the best fares we've found on flights departing from Buffalo to Seattle in 2023. Check back in a little while for more flight options.

Buffalo to Seattle 2023 flight deals

Cheap flights to Seattle from Buffalo found for this year
Listed are some of the best fares we've found on flights departing from Buffalo to Seattle in 2023. Check back in a little while for more flight options.

Cheap American Airlines flights from Buffalo to Seattle

Take a look at some of the lowest-priced American Airlines flights heading from Buffalo to Seattle. Be sure to come back soon if the deals available don't appeal to you at this time.

Cheap Delta flights from Buffalo to Seattle

Browse through some of the cheapest Delta flights travelling from Buffalo to Seattle. Deals frequently update to provide users with more options.

Last minute flights from Buffalo to Seattle

Late deals on round-trip flights to Seattle from Buffalo, departing today and this week
Book one of these great deals on flights from Buffalo to Seattle. Users should be sure to double check the price, date, and time of their last-minute flight.

One-way flights to Seattle from Buffalo

The cheapest one-way flights from Buffalo to Seattle
Users travelling one-way from Buffalo to Seattle can select one of these great deals. Users in need of a round-trip flight from Buffalo to Seattle instead should update the search form at the top of page.

Find flights from Buffalo to Seattle within your budget

Use the slider to find flights from Buffalo to Seattle that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

C$ 353 - C$ 815

Route

Depart

Return

Price

BuffaloSeattle/Tacoma Intl

BUF - SEA

BUFSEA

Buffalo

Sat 2/9

1 stop7h 02m

Seattle/Tacoma Intl

Wed 6/9

1 stop7h 48m

C$ 353

BuffaloSeattle/Tacoma Intl

BUF - SEA

BUFSEA

Buffalo

Fri 25/8

1 stop6h 55m

Seattle/Tacoma Intl

Sat 2/9

1 stop7h 36m

C$ 400

BuffaloSeattle/Tacoma Intl

BUF - SEA

BUFSEA

Buffalo

Wed 23/8

1 stop10h 39m

Seattle/Tacoma Intl

Sat 2/9

1 stop7h 36m

C$ 433

BuffaloSeattle/Tacoma Intl

BUF - SEA

BUFSEA

Buffalo

Sat 12/8

1 stop8h 27m

Seattle/Tacoma Intl

Mon 14/8

1 stop10h 35m

C$ 595

BuffaloSeattle/Tacoma Intl

BUF - SEA

BUFSEA

Buffalo

Tue 1/8

1 stop9h 48m

Seattle/Tacoma Intl

Tue 8/8

1 stop8h 19m

C$ 659

BuffaloSeattle/Tacoma Intl

BUF - SEA

BUFSEA

Buffalo

Thu 20/7

1 stop7h 57m

Seattle/Tacoma Intl

Tue 25/7

1 stop7h 02m

C$ 707

BuffaloSeattle/Tacoma Intl

BUF - SEA

BUFSEA

Buffalo

Thu 20/7

1 stop10h 32m

Seattle/Tacoma Intl

Tue 25/7

2 stops19h 00m

C$ 731

BuffaloSeattle/Tacoma Intl

BUF - SEA

BUFSEA

Buffalo

Sun 27/8

1 stop9h 49m

Seattle/Tacoma Intl

Fri 1/9

1 stop7h 02m

C$ 802

BuffaloSeattle/Tacoma Intl

BUF - SEA

BUFSEA

Buffalo

Thu 22/6

1 stop7h 52m

Seattle/Tacoma Intl

Mon 26/6

1 stop14h 44m

C$ 815

Flights are sorted by cheapest first

Deals found on 31/5

Related info for your journey

Useful info, stats and facts about Buffalo to Seattle flights.

Other flights to Seattle

Top 6 airlines flying from Buffalo to Seattle

The chart below displays the airlines Cheapflights users travelling from Buffalo to Seattle choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
FrontierCheapestC$ 225AverageC$ 355FlexibilityNo cancel feeOn-time62%COVID-19 safety
Search Frontier flights
United AirlinesCheapestC$ 391AverageC$ 772FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights
DeltaCheapestC$ 399AverageC$ 568FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights
Endeavor AirlinesCheapestC$ 457AverageC$ 1,035FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Endeavor Airlines flights
American AirlinesCheapestC$ 527AverageC$ 806FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights
Alaska AirlinesCheapestC$ 584AverageC$ 605FlexibilityNo cancel feeOn-time75%COVID-19 safety
Search Alaska Airlines flights