Cheap flights from Bangkok to North Seattle

View AU$664 flight on Wed, 3 Sep. 2025Opens in a new window

Popular airlines from Bangkok to North Seattle

  • American Airlines

    American Airlines

  • Air Canada

    Air Canada

  • Air France

    Air France

  • EVA Airways

    EVA Airways

  • China Airlines

    China Airlines

  • Cathay Pacific

    Cathay Pacific

  • Delta

    Delta

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 35% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Bangkok (BKK) to North Seattle (SEA)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Korean Air
Sun, 7 Sep. - Sat, 20 Sep.
BKK
Bangkok
SEA
Seattle
AU$994 Return, found 3 days ago
AU$994
Return
found 3 days ago
Select Korean Air flight, departing Sun, 7 Sep. from Bangkok to Seattle, returning Sat, 20 Sep., priced at AU$994 found 3 days ago
Philippine Airlines
Tue, 25 Nov. - Tue, 2 Dec.
BKK
Bangkok
SEA
Seattle
AU$1,066 Return, found 3 days ago
AU$1,066
Return
found 3 days ago
Select Philippine Airlines flight, departing Tue, 25 Nov. from Bangkok to Seattle, returning Tue, 2 Dec., priced at AU$1,066 found 3 days ago
Asiana Airlines
Thu, 11 Sep. - Thu, 18 Sep.
BKK
Bangkok
SEA
Seattle
AU$1,235 Return, found 3 days ago
AU$1,235
Return
found 3 days ago
Select Asiana Airlines flight, departing Thu, 11 Sep. from Bangkok to Seattle, returning Thu, 18 Sep., priced at AU$1,235 found 3 days ago
Delta
Sun, 7 Sep. - Sat, 20 Sep.
BKK
Bangkok
SEA
Seattle
AU$1,266 Return, found 3 days ago
AU$1,266
Return
found 3 days ago
Select Delta flight, departing Sun, 7 Sep. from Bangkok to Seattle, returning Sat, 20 Sep., priced at AU$1,266 found 3 days ago
Korean Air
Tue, 25 Nov. - Tue, 2 Dec.
BKK
Bangkok
SEA
Seattle
AU$1,272 Return, found 3 days ago
AU$1,272
Return
found 3 days ago
Select Korean Air flight, departing Tue, 25 Nov. from Bangkok to Seattle, returning Tue, 2 Dec., priced at AU$1,272 found 3 days ago
EVA Airways
Tue, 25 Nov. - Tue, 2 Dec.
BKK
Bangkok
SEA
Seattle
AU$1,348 Return, found 3 days ago
AU$1,348
Return
found 3 days ago
Select EVA Airways flight, departing Tue, 25 Nov. from Bangkok to Seattle, returning Tue, 2 Dec., priced at AU$1,348 found 3 days ago

Find the cheapest month to fly from Bangkok (BKK) to Seattle (SEA)

May is typically the cheapest month to fly

From AU$888 - AU$1,428 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.