Bangkok (BKK) to Seattle / Tacoma (SEA) cheap flight deal from $4423 USD in business class

CIChina Airlines

Round Trip•Business Class

BKK

Suvarnabhumi Airport

Bangkok, Thailand

SEA

Seattle–Tacoma International Airport

Seattle / Tacoma, United States

$4,697 USD

-6%$4,423 USD

Verified Sep 20, 2025 at 12:37 AM

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$5,468 21$4,423 22$4,423 23$4,423 24$4,423 25$4,423 26$4,424 27$4,424 28$4,424 29$4,424 30$4,424 1$4,424 2$4,423 3$4,423 4$4,424 5$4,424

Great Availability

89% of dates checked are available within 10% of the lowest price

Sunday, September 28th, 2025

7 round-trip options

Returning

Fri, Oct 3, 2025•5 Day Trip

$4,424 USD

Google Flights

Returning

Sun, Oct 5, 2025•7 Day Trip

$5,468 USD

Google Flights

Returning

Mon, Oct 6, 2025•8 Day Trip

$4,424 USD

Google Flights

Returning

Tue, Oct 7, 2025•9 Day Trip

$4,424 USD

Google Flights

Returning

Wed, Oct 8, 2025•10 Day Trip

$4,424 USD

Google Flights

Returning

Fri, Oct 10, 2025•12 Day Trip

$9,189 USD

Google Flights

Returning

Sun, Oct 12, 2025•14 Day Trip

$9,189 USD

Google Flights