Round-trip from | $681 (CrystalTravel) |
---|---|
One-way from | $350 (CrystalTravel) |
Popular in | December |
Cheapest in | February |
Average price | $842 |
Fly from
Fly to
Route
Depart
Return
Price
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Tue 9/9
12:35 pm-1:05 am
1 stop22h 30m
Bangkok Suvarnabhumi
Tue 9/16
2:35 am-1:40 pm
1 stop25h 05m
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Tue 9/9
12:35 pm-1:05 am
1 stop22h 30m
Bangkok Suvarnabhumi
Mon 9/22
11:30 pm-1:40 pm
1 stop28h 10m
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Mon 8/25
12:55 pm-9:45 pm
1 stop18h 50m
Bangkok Suvarnabhumi
Mon 9/8
2:35 am-1:40 pm
1 stop25h 05m
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Mon 9/29
12:35 pm-9:45 pm
1 stop19h 10m
Bangkok Suvarnabhumi
Thu 10/16
9:50 am-1:30 pm
1 stop17h 40m
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Mon 9/29
12:35 pm-9:45 pm
1 stop19h 10m
Bangkok Suvarnabhumi
Wed 10/15
9:40 pm-1:30 pm
1 stop29h 50m
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Tue 8/26
12:55 pm-9:45 pm
1 stop18h 50m
Bangkok Suvarnabhumi
Thu 9/11
9:50 am-1:40 pm
1 stop17h 50m
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Thu 8/28
12:55 pm-9:45 pm
1 stop18h 50m
Bangkok Suvarnabhumi
Sun 9/7
2:35 am-1:40 pm
1 stop25h 05m
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Thu 9/4
12:35 pm-9:45 pm
1 stop19h 10m
Bangkok Suvarnabhumi
Mon 9/22
2:35 am-1:40 pm
1 stop25h 05m
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Mon 9/8
12:35 pm-9:45 pm
1 stop19h 10m
Bangkok Suvarnabhumi
Wed 9/17
9:40 pm-1:40 pm
1 stop30h 00m
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Wed 9/3
12:35 pm-9:45 pm
1 stop19h 10m
Bangkok Suvarnabhumi
Wed 9/17
9:40 pm-1:40 pm
1 stop30h 00m
The best time to book flights from Seattle to Bangkok Suvarnabhumi Airport is 61 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, September is the cheapest month in which you can book a flight from Seattle to Bangkok Suvarnabhumi Airport (average of $938). Flying from Seattle to Bangkok Suvarnabhumi Airport in December is currently the most expensive (average of $1,552). 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.
A simple way to save on the total cost of your ticket is to fly from Seattle to Bangkok Suvarnabhumi Airport in the morning. If you’re flexible enough to do this you can expect to save up to 9% on your trip compared to booking a flight at noon.
Travelers seeking maximum savings on their Seattle to Bangkok Suvarnabhumi Airport flight should consider departing on Tuesday evenings when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Tokyo (HND) – chosen by Cheapflights users on 40% of 1-stop itineraries from Seattle to Bangkok Suvarnabhumi Airport on Cheapflights.
Istanbul (IST) is the most affordable 1-stop option, with an average round-trip price of $723.
Flights via Taipei City (TPE) have the shortest average one-way travel time for 1-stop routes: 18h 47m.
Flights via Istanbul (IST) offer the fastest connection on this route, with an average layover time of 1h 45m.
Boarding
Entertainment
Overall
Comfort
Food
Crew
Reviews
Anonymous,Aug 2025
BKK - TPE
Boarding
Entertainment
Overall
Comfort
Food
Crew
Reviews
Anonymous,Aug 2025
BKK - TPE
Boarding
Entertainment
Overall
Comfort
Food
Crew
Reviews
Anonymous,Aug 2025
BKK - TPE
Boarding
Entertainment
Overall
Comfort
Food
Crew
Reviews
Anonymous,Aug 2025
BKK - TPE
Boarding
Entertainment
Overall
Comfort
Food
Crew
Reviews
Anonymous,Aug 2025
BKK - TPE
Boarding
Entertainment
Overall
Comfort
Food
Crew
Reviews
Anonymous,Aug 2025
BKK - TPE
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$433 | Average$911 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$539 | Average$757 | FlexibilityNo cancel fee | On-time81% | |
Cheapest$634 | Average$755 | FlexibilityNo cancel fee | On-time76% | |
Cheapest$684 | Average$764 | FlexibilityNo cancel fee | On-time81% | |
Cheapest$700 | Average$756 | FlexibilityNo cancel fee | On-time60% | |
Cheapest$720 | Average$897 | FlexibilityNo cancel fee | On-time80% | |
Cheapest$740 | Average$888 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$749 | Average$863 | FlexibilityNo cancel fee | On-time70% | |
Cheapest$755 | Average$878 | FlexibilityNo cancel fee | On-time62% | |
Cheapest$773 | Average$1,087 | FlexibilityNo cancel fee | On-time77% |