
Round-trip from | $646 (CrystalTravel) |
|---|---|
One-way from | $325 (Singapore Airlines) |
Popular in | December |
Cheapest in | September |
Average price | $761 |
Fly from
Fly to
Route
Depart
Return
Price
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Wed 3/4
11:30 am-12:55 am
1 stop22h 25m
Bangkok Suvarnabhumi
Wed 3/11
9:30 pm-2:20 pm
1 stop30h 50m
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Wed 3/4
11:30 am-12:45 am
1 stop22h 15m
Bangkok Suvarnabhumi
Thu 3/12
12:55 am-2:20 pm
1 stop27h 25m
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Tue 3/3
11:30 am-12:45 am
1 stop22h 15m
Bangkok Suvarnabhumi
Tue 3/17
2:05 am-2:20 pm
1 stop26h 15m
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Sat 3/7
11:00 am-12:55 am
1 stop22h 55m
Bangkok Suvarnabhumi
Wed 3/18
2:05 am-10:00 am
1 stop21h 55m
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Fri 3/6
11:00 am-12:45 am
1 stop22h 45m
Bangkok Suvarnabhumi
Thu 3/12
2:05 am-10:00 am
1 stop21h 55m
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Thu 3/5
11:00 am-12:45 am
1 stop22h 45m
Bangkok Suvarnabhumi
Wed 3/11
9:30 pm-10:00 am
1 stop26h 30m
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Sun 2/22
11:00 am-12:55 am
1 stop22h 55m
Bangkok Suvarnabhumi
Mon 3/2
9:30 pm-9:00 am
1 stop26h 30m
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Sat 3/7
11:00 am-12:55 am
1 stop22h 55m
Bangkok Suvarnabhumi
Thu 3/12
12:55 am-10:00 am
1 stop23h 05m
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Sat 4/25
12:50 pm-11:35 pm
1 stop20h 45m
Bangkok Suvarnabhumi
Tue 5/5
9:40 pm-10:40 am
1 stop27h 00m
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Wed 4/29
12:50 pm-1:35 pm
1 stop34h 45m
Bangkok Suvarnabhumi
Mon 5/18
9:50 am-10:40 am
1 stop38h 50m
To ensure you get the cheapest price possible for a flight from Seattle to Bangkok, you should look to book at least 74 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Currently, April is the cheapest month in which you can book a flight from Seattle to Bangkok (average of $511). Flying from Seattle to Bangkok in June is currently the most expensive (average of $784). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Entertainment
Boarding
Overall
Food
Comfort
Crew
Reviews
Anonymous,Jan 2026
SEA - TPE
Entertainment
Boarding
Overall
Food
Comfort
Crew
Reviews
Anonymous,Jan 2026
SEA - TPE
Entertainment
Boarding
Overall
Food
Comfort
Crew
Reviews
Anonymous,Jan 2026
SEA - TPE
Entertainment
Boarding
Overall
Food
Comfort
Crew
Reviews
Anonymous,Jan 2026
SEA - TPE
Entertainment
Boarding
Overall
Food
Comfort
Crew
Reviews
Anonymous,Jan 2026
SEA - TPE
Entertainment
Boarding
Overall
Food
Comfort
Crew
Reviews
Anonymous,Jan 2026
SEA - TPE
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$154 | Average$700 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$514 | Average$685 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$626 | Average$689 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$663 | Average$750 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$683 | Average$879 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$694 | Average$862 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$700 | Average$907 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$731 | Average$819 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$735 | Average$880 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$740 | Average$852 | FlexibilityNo cancel fee | On-timeN/A |