
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $624 (Trip.com) |
One-way from | $342 (FlightHub) |
Popular in | June |
Cheapest in | September |
Average price | $786 |
Fly from
Fly to
Route
Depart
Return
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Mon 8/3
1:05 pm-1:05 am
1 stop22h 00m
Bangkok Suvarnabhumi
Mon 8/31
9:40 pm-1:37 pm
1 stop29h 57m
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Sun 8/16
1:05 pm-11:35 pm
1 stop20h 30m
Bangkok Suvarnabhumi
Sat 9/26
9:40 pm-1:37 pm
1 stop29h 57m
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Mon 8/17
7:20 am-1:05 am
2 stops27h 45m
Bangkok Suvarnabhumi
Thu 8/27
11:30 pm-3:24 pm
2 stops29h 54m
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Mon 8/3
6:55 pm-11:35 pm
2 stops38h 40m
Bangkok Suvarnabhumi
Fri 8/28
2:35 am-3:24 pm
2 stops26h 49m
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Thu 4/30
7:59 pm-9:45 pm
2 stops35h 46m
Bangkok Suvarnabhumi
Sun 5/31
11:30 pm-3:05 pm
2 stops29h 35m
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Sat 3/14
12:10 am-11:15 am
1 stop21h 05m
Bangkok Suvarnabhumi
Thu 3/19
11:55 pm-2:55 pm
1 stop29h 00m
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Mon 3/23
12:00 pm-12:55 am
1 stop22h 55m
Bangkok Suvarnabhumi
Thu 4/16
9:40 pm-6:26 pm
2 stops34h 46m
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Thu 4/30
7:59 pm-11:35 pm
2 stops37h 36m
Bangkok Suvarnabhumi
Sun 5/31
9:40 pm-3:05 pm
2 stops31h 25m
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Sat 3/14
5:30 pm-12:55 am
2 stops41h 25m
Bangkok Suvarnabhumi
Mon 5/11
9:40 pm-4:53 pm
2 stops33h 13m
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Wed 5/13
11:39 am-9:35 am
2 stops31h 56m
Bangkok Suvarnabhumi
Wed 5/27
9:35 am-2:25 pm
1 stop18h 50m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | 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, April is the cheapest month in which you can book a flight from Seattle to Bangkok Suvarnabhumi Airport (average of $510). Flying from Seattle to Bangkok Suvarnabhumi Airport in June is currently the most expensive (average of $786). 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.
Incheon (ICN) – chosen by Cheapflights users on 39% 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 $707.
Flights via Taipei City (TPE) have the shortest average one-way travel time for 1-stop routes: 19h 32m.
Flights via Taipei City (TPE) offer the fastest connection on this route, with an average layover time of 2h 20m.
Boarding
Crew
Comfort
Food
Overall
Entertainment
Reviews
Anonymous,Jan 2026
SEA - TPE
Boarding
Crew
Comfort
Food
Overall
Entertainment
Reviews
Anonymous,Jan 2026
SEA - TPE
Boarding
Crew
Comfort
Food
Overall
Entertainment
Reviews
Anonymous,Jan 2026
SEA - TPE
Boarding
Crew
Comfort
Food
Overall
Entertainment
Reviews
Anonymous,Jan 2026
SEA - TPE
Boarding
Crew
Comfort
Food
Overall
Entertainment
Reviews
Anonymous,Jan 2026
SEA - TPE
Boarding
Crew
Comfort
Food
Overall
Entertainment
Reviews
Anonymous,Jan 2026
SEA - TPE
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$154 | Average$699 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$510 | Average$673 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$626 | Average$689 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$663 | Average$749 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$682 | Average$871 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$694 | Average$864 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$697 | Average$934 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$730 | Average$819 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$731 | Average$880 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$740 | Average$852 | FlexibilityNo cancel fee | On-timeN/A |