
Most accurate provider | Justfly.com 3 stars |
|---|---|
Most trusted provider | Justfly.com 3 stars |
Round-trip from | $644 (CrystalTravel) |
One-way from | $354 (Kiwi.com) |
Popular in | June |
Cheapest in | September |
Average price | $789 |
Fly from
Fly to
Route
Depart
Return
Price
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Sun 2/1
11:25 am-12:55 am
1 stop22h 30m
Bangkok Suvarnabhumi
Mon 2/16
12:55 am-1:20 pm
1 stop27h 25m
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Sat 1/31
11:25 am-12:55 am
1 stop22h 30m
Bangkok Suvarnabhumi
Thu 2/12
12:55 am-1:20 pm
1 stop27h 25m
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Thu 1/29
11:25 am-12:45 am
1 stop22h 20m
Bangkok Suvarnabhumi
Sat 2/14
9:30 pm-1:20 pm
1 stop30h 50m
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Thu 1/29
11:25 am-12:45 am
1 stop22h 20m
Bangkok Suvarnabhumi
Mon 2/16
12:55 am-1:20 pm
1 stop27h 25m
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Sat 4/18
1:00 pm-11:40 pm
1 stop20h 40m
Bangkok Suvarnabhumi
Wed 4/29
9:50 am-1:07 pm
1 stop17h 17m
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Sat 4/18
1:00 pm-11:40 pm
1 stop20h 40m
Bangkok Suvarnabhumi
Thu 4/30
9:50 am-1:07 pm
1 stop17h 17m
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Mon 3/9
12:35 pm-12:55 am
1 stop22h 20m
Bangkok Suvarnabhumi
Mon 3/16
9:40 am-2:20 pm
1 stop18h 40m
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Sun 3/1
11:30 am-12:45 am
1 stop22h 15m
Bangkok Suvarnabhumi
Fri 3/6
2:05 am-1:20 pm
1 stop26h 15m
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Thu 3/5
11:30 am-12:45 am
1 stop22h 15m
Bangkok Suvarnabhumi
Mon 3/16
9:40 am-2:20 pm
1 stop18h 40m
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Fri 1/30
11:00 am-12:45 am
1 stop22h 45m
Bangkok Suvarnabhumi
Sat 2/14
2:05 am-9:00 am
1 stop21h 55m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
The best time to book flights from Seattle to Bangkok Suvarnabhumi Airport is 74 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Currently, February is the cheapest month in which you can book a flight from Seattle to Bangkok Suvarnabhumi Airport (average of $516). Flying from Seattle to Bangkok Suvarnabhumi Airport in June is currently the most expensive (average of $897). 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.
Taipei City (TPE) – chosen by Cheapflights users on 36% of 1-stop itineraries from Seattle to Bangkok Suvarnabhumi Airport on Cheapflights.
Manila (MNL) is the most affordable 1-stop option, with an average round-trip price of $684.
Flights via Taipei City (TPE) have the shortest average one-way travel time for 1-stop routes: 19h 17m.
Flights via Taipei City (TPE) offer the fastest connection on this route, with an average layover time of 2h 15m.
Crew
Food
Boarding
Entertainment
Comfort
Overall
Reviews
Anonymous,Jan 2026
SEA - TPE
Crew
Food
Boarding
Entertainment
Comfort
Overall
Reviews
Anonymous,Jan 2026
SEA - TPE
Crew
Food
Boarding
Entertainment
Comfort
Overall
Reviews
Anonymous,Jan 2026
SEA - TPE
Crew
Food
Boarding
Entertainment
Comfort
Overall
Reviews
Anonymous,Jan 2026
SEA - TPE
Crew
Food
Boarding
Entertainment
Comfort
Overall
Reviews
Anonymous,Jan 2026
SEA - TPE
Crew
Food
Boarding
Entertainment
Comfort
Overall
Reviews
Anonymous,Jan 2026
SEA - TPE
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$154 | Average$701 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$517 | Average$704 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$612 | Average$687 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$648 | Average$878 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$668 | Average$750 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$684 | Average$884 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$700 | Average$908 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$732 | Average$824 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$735 | Average$880 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$740 | Average$855 | FlexibilityNo cancel fee | On-timeN/A |