Book Flights from Seattle to Bangkok with Thai Airways from USD1,302

Find the Best Time and Daily Ticket Prices for Seattle to Bangkok

Apr 2025
FromUSD1,694*
Updated: 10 hours ago
Flight Type Round Trip/Economy
USD1.4K
Displaying fares for April-2025
14

Mo

APR

15

Tu

16

We

17

Th

18

Fr

19

Sa

20

Su

21

Mo

22

Tu

23

We

24

Th

25

Fr

26

Sa

27

Su

28

Mo

29

Tu

30

We

01

Th

MAY

02

Fr

03

Sa

04

Su

05

Mo

06

Tu

07

We

08

Th

09

Fr

10

Sa

11

Su

12

Mo

13

Tu

RangeUSD1,404-USD6,265

*Fares and availability are based on round trip searches for 1 passenger (1 adult) in Economy class in the last 48 hours. Fares are inclusive of tax and surcharges, and subject to availability.

Best Deals for Seattle to Bangkok Flights on Thai Airways

Best Deals for Seattle to Bangkok Flights on Thai Airways
From
To
Fare Type
Dates
Price
Seattle (SEA)Bangkok (BKK)​Round trip
/
Economy		25/11/2025 - 23/12/2025

From

USD1,302

Updated: 6 hours ago

Seattle (SEA)Bangkok (BKK)​Round trip
/
Economy		18/09/2025 - 23/10/2025

From

USD1,343

Updated: 4 hours ago

Seattle (SEA)Bangkok (BKK)​Round trip
/
Economy		17/12/2025 - 31/12/2025

From

USD1,424

Updated: 7 hours ago

*Fares displayed have been collected within the last 24hrs and may no longer be available at the time of booking.

Popular Business Class Flight Deals from Seattle to Bangkok

*Fares displayed have been collected within the last 24hrs and may no longer be available at the time of booking.

Book Flights from Seattle to Bangkok with Thai Airways

Relevant Thai Airways Routes

Explore Thai Airways's Top-Pick Destinations