Find Deals on Flights from Bangkok to Seattle

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
The price shown for each flight will be the average for all passengers including any infants.
Compare vs. KAYAK all | none
Browse Origins:
Browse Destinations:

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Bangkok to Seattle

(Round-trip)
Depart: Wed Apr 5 2017 Return: Wed Apr 19 2017 Trip spans 15 days
XiamenAir
XiamenAir
BKK
1:35p
SEA
8:25p
54h 50m
2 stops
SEA
9:25a
BKK
10:15p
36h 50m
2 stops
Depart: Thu Apr 27 2017 Return: Mon May 15 2017 Trip spans 19 days
Hainan Airlines
Hainan Airlines
BKK
9:40p
SEA
9:35p
23h 55m
1 stop
SEA
10:00a
BKK
6:40a
20h 40m
1 stop
Depart: Thu May 11 2017 Return: Fri May 26 2017 Trip spans 16 days
Asiana Airlines
Asiana Airlines
BKK
10:35p
SEA
10:50p
24h 15m
1 stop
SEA
10:20a
BKK
7:25a
21h 05m
1 stop
Depart: Sat Jun 10 2017 Return: Sun Jun 25 2017 Trip spans 16 days
ANA
ANA
BKK
8:30p
SEA
9:25p
24h 55m
1 stop
SEA
1:30a
BKK
5:10a
27h 40m
2 stops
Depart: Fri Mar 31 2017 Return: Fri May 5 2017 Trip spans 36 days
Major Airline
Major Airline
BKK
10:50p
SEA
5:25p
18h 35m
1 stop
SEA
5:20a
BKK
1:10a
19h 50m
1 stop
Depart: Sun Apr 16 2017 Return: Mon May 1 2017 Trip spans 16 days
Ethiopian Air
Ethiopian Air
BKK
9:35p
SEA
6:49a
57h 14m
3 stops
SEA
6:40p
BKK
7:15p
48h 35m
2 stops
Depart: Mon May 1 2017 Return: Mon May 15 2017 Trip spans 15 days
China Southern
China Southern
BKK
2:55p
SEA
2:09a
35h 14m
3 stops
SEA
2:43p
BKK
4:50p
26h 07m
2 stops
Depart: Wed Apr 26 2017 Return: Wed May 10 2017 Trip spans 15 days
$1003
Select
EVA Air
EVA Air
BKK
10:15p
SEA
5:30a
31h 15m
1 stop
SEA
9:50p
BKK
5:35p
19h 45m
1 stop
Depart: Wed Jul 26 2017 Return: Sun Aug 13 2017 Trip spans 19 days
$1063
Select
Korean Air
Korean Air
BKK
6:00a
SEA
10:35p
16h 35m
1 stop
SEA
10:15a
BKK
5:50a
19h 35m
1 stop
Depart: Wed May 3 2017 Return: Wed May 17 2017 Trip spans 15 days
XiamenAir
XiamenAir
BKK
1:35p
SEA
8:25p
54h 50m
2 stops
SEA
9:25a
BKK
5:50p
32h 25m
2 stops
Depart: Wed May 10 2017 Return: Wed May 24 2017 Trip spans 15 days
XiamenAir
XiamenAir
BKK
1:35p
SEA
8:25p
54h 50m
2 stops
SEA
9:25a
BKK
5:50p
32h 25m
2 stops
Depart: Wed Sep 6 2017 Return: Sat Sep 23 2017 Trip spans 18 days
Hainan Airlines
Hainan Airlines
BKK
10:00p
SEA
9:35p
23h 35m
1 stop
SEA
10:00a
BKK
6:40a
20h 40m
1 stop
Depart: Wed Jun 7 2017 Return: Thu Jun 22 2017 Trip spans 16 days
Asiana Airlines
Asiana Airlines
BKK
10:35p
SEA
10:50p
24h 15m
1 stop
SEA
10:20a
BKK
7:25a
21h 05m
1 stop
Depart: Wed Jun 21 2017 Return: Thu Jul 6 2017 Trip spans 16 days
ANA
ANA
BKK
8:30p
SEA
9:25p
24h 55m
1 stop
SEA
2:30a
BKK
5:10a
26h 40m
2 stops
Depart: Mon May 15 2017 Return: Mon May 29 2017 Trip spans 15 days
XiamenAir
XiamenAir
BKK
12:40p
SEA
8:25p
55h 45m
2 stops
SEA
9:25a
BKK
10:15p
36h 50m
2 stops
Depart: Tue Sep 12 2017 Return: Wed Oct 25 2017 Trip spans 44 days
Hainan Airlines
Hainan Airlines
BKK
9:40p
SEA
9:35p
23h 55m
1 stop
SEA
10:00a
BKK
6:40a
20h 40m
1 stop
Depart: Thu Jun 8 2017 Return: Fri Jun 23 2017 Trip spans 16 days
Asiana Airlines
Asiana Airlines
BKK
10:35p
SEA
10:50p
24h 15m
1 stop
SEA
10:20a
BKK
7:25a
21h 05m
1 stop
Depart: Sat Jun 24 2017 Return: Sat Jul 8 2017 Trip spans 15 days
Major Airline
Major Airline
BKK
2:00a
SEA
2:09a
24h 09m
2 stops
SEA
12:05a
BKK
1:50a
25h 45m
2 stops
Depart: Mon Apr 17 2017 Return: Tue May 2 2017 Trip spans 16 days
Ethiopian Air
Ethiopian Air
BKK
9:35p
SEA
6:49a
57h 14m
3 stops
SEA
6:40p
BKK
7:20p
48h 40m
2 stops
Depart: Sat Jun 3 2017 Return: Sun Jun 18 2017 Trip spans 16 days
ANA
ANA
BKK
8:30p
SEA
9:25p
24h 55m
1 stop
SEA
8:00a
BKK
11:00a
27h 00m
2 stops
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

We compile tonnes of data for you
Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

If you have more questions or if you have a bad price to report to us,
please send us an email and someone from our team will get back to you promptly.

Airports
Origin

Bangkok
$667
Destination

Seattle
$667