Find Cheap Flights to Bangkok

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.
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Book cheap flights from Seattle/Tacoma Intl to Bangkok

(Round-trip)
Depart: Fri Nov 24 2017 Return: Wed Nov 29 2017 Trip spans 6 days
Air China
Air China
SEA
2:50a
BKK
3:45a
24h 55m
2 stops
BKK
8:05p
SEA
3:38a
31h 33m
2 stops
Depart: Mon Sep 4 2017 Return: Mon Sep 18 2017 Trip spans 15 days
Asiana Airlines
Asiana Airlines
SEA
10:40a
BKK
7:25a
20h 45m
1 stop
BKK
7:55p
SEA
10:50p
26h 55m
1 stop
Depart: Mon Aug 28 2017 Return: Mon Sep 11 2017 Trip spans 15 days
XiamenAir
XiamenAir
SEA
9:25a
BKK
11:25p
62h 00m
2 stops
BKK
4:15p
SEA
8:25p
52h 10m
2 stops
Depart: Mon Oct 9 2017 Return: Sun Oct 22 2017 Trip spans 14 days
EVA Air
EVA Air
SEA
7:30a
BKK
6:25a
22h 55m
1 stop
BKK
9:45p
SEA
4:40p
18h 55m
1 stop
Depart: Sun Oct 15 2017 Return: Sat Oct 21 2017 Trip spans 7 days
Korean Air
Korean Air
SEA
10:15a
BKK
3:10a
40h 55m
1 stop
BKK
6:40p
SEA
10:20p
27h 40m
1 stop
Depart: Fri Sep 8 2017 Return: Mon Oct 23 2017 Trip spans 46 days
Hainan Airlines
Hainan Airlines
SEA
10:00a
BKK
6:40a
20h 40m
1 stop
BKK
9:40p
SEA
9:35p
23h 55m
1 stop
Depart: Wed Aug 2 2017 Return: Wed Sep 20 2017 Trip spans 50 days
China Airlines
China Airlines
SEA
3:35p
BKK
4:00p
48h 25m
2 stops
BKK
7:15a
SEA
9:57a
26h 42m
2 stops
Depart: Fri Jan 5 2018 Return: Sat Jan 13 2018 Trip spans 9 days
Thai Airways
Thai Airways
SEA
8:00a
BKK
3:05a
43h 05m
2 stops
BKK
3:00a
SEA
8:20p
17h 20m
1 stop
Depart: Mon Dec 11 2017 Return: Thu Jan 11 2018 Trip spans 32 days
ANA
ANA
SEA
7:20a
BKK
2:40a
19h 20m
1 stop
BKK
5:25a
SEA
3:53a
22h 28m
2 stops
Depart: Tue Jul 25 2017 Return: Mon Aug 7 2017 Trip spans 14 days
Delta
Delta
SEA
8:25a
BKK
3:10a
18h 45m
1 stop
BKK
10:30p
SEA
7:14p
20h 44m
1 stop
Depart: Fri Nov 3 2017 Return: Fri Nov 10 2017 Trip spans 8 days
Air China
Air China
SEA
2:15p
BKK
12:05a
33h 50m
2 stops
BKK
8:05p
SEA
3:38a
31h 33m
2 stops
Depart: Wed Sep 6 2017 Return: Wed Sep 20 2017 Trip spans 15 days
Asiana Airlines
Asiana Airlines
SEA
10:40a
BKK
7:25a
20h 45m
1 stop
BKK
7:55p
SEA
10:50p
26h 55m
1 stop
Depart: Wed Aug 30 2017 Return: Mon Sep 4 2017 Trip spans 6 days
XiamenAir
XiamenAir
SEA
9:25a
BKK
11:25p
38h 00m
2 stops
BKK
4:15p
SEA
8:25p
52h 10m
2 stops
Depart: Thu Sep 14 2017 Return: Sun Sep 24 2017 Trip spans 11 days
EVA Air
EVA Air
SEA
7:30a
BKK
5:30a
22h 00m
1 stop
BKK
9:45p
SEA
4:40p
18h 55m
1 stop
Depart: Sun Dec 3 2017 Return: Thu Dec 21 2017 Trip spans 19 days
Korean Air
Korean Air
SEA
7:55a
BKK
2:55a
19h 00m
1 stop
BKK
7:55p
SEA
9:05p
25h 10m
1 stop
Depart: Wed Oct 18 2017 Return: Tue Nov 7 2017 Trip spans 21 days
Air China
Air China
SEA
3:00p
BKK
12:35a
33h 35m
2 stops
BKK
8:05p
SEA
3:38a
31h 33m
2 stops
Depart: Sat Nov 25 2017 Return: Fri Dec 8 2017 Trip spans 14 days
Hainan Airlines
Hainan Airlines
SEA
7:50a
BKK
4:25a
20h 35m
1 stop
BKK
8:25p
SEA
8:30p
24h 05m
1 stop
Depart: Tue Oct 31 2017 Return: Mon Nov 13 2017 Trip spans 14 days
Asiana Airlines
Asiana Airlines
SEA
10:00a
BKK
6:10a
20h 10m
1 stop
BKK
9:10p
SEA
9:10p
24h 00m
1 stop
Depart: Fri Sep 1 2017 Return: Sun Sep 10 2017 Trip spans 10 days
XiamenAir
XiamenAir
SEA
9:25a
BKK
9:25p
60h 00m
2 stops
BKK
2:35p
SEA
8:25p
29h 50m
2 stops
Depart: Thu Oct 12 2017 Return: Wed Oct 25 2017 Trip spans 14 days
EVA Air
EVA Air
SEA
7:30a
BKK
5:35p
34h 05m
1 stop
BKK
10:15p
SEA
4:40p
18h 25m
1 stop
* 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

Seattle
$624
Destination

Bangkok
$624