Seattle / Tacoma (SEA) to Bangkok (BKK) cheap flight deal from $667 USD in economy class

OZAsiana Airlines

Round Trip•Economy

SEA

Seattle–Tacoma International Airport

Seattle / Tacoma, United States

BKK

Suvarnabhumi Airport

Bangkok, Thailand

$1,053 USD

-37%$667 USD

Verified Sep 21, 2025 at 5:36 PM

September 2025

Today

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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21$667 22$667 23$667 24$667 25$679 26$778 27$778 28$679 29$1,423 30$696 1 2 3$1,285 4$796 5$861

Fair Availability

34% of dates checked are available within 10% of the lowest price

Monday, September 29th, 2025

7 round-trip options

Returning

Sat, Oct 4, 2025•5 Day Trip

$2,050 USD

Google Flights

Returning

Sun, Oct 5, 2025•6 Day Trip

$1,629 USD

Google Flights

Returning

Mon, Oct 6, 2025•7 Day Trip

$1,423 USD

Google Flights

Returning

Tue, Oct 7, 2025•8 Day Trip

$1,492 USD

Google Flights

Returning

Wed, Oct 8, 2025•9 Day Trip

$1,492 USD

Google Flights

Returning

Fri, Oct 10, 2025•11 Day Trip

$1,664 USD

Google Flights

Returning

Mon, Oct 13, 2025•14 Day Trip

$1,539 USD

Google Flights