
Most accurate provider | Justfly.com 3 stars |
|---|---|
Most trusted provider | Justfly.com 3 stars |
Round-trip from | $643 (Justfly.com) |
One-way from | $352 (FlightHub) |
Popular in | December |
Cheapest in | September |
Average price | $1,238 |
Fly from
Fly to
Route
Depart
Return
Price
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Fri 4/17
7:15 am-11:40 pm
2 stops26h 25m
Bangkok Suvarnabhumi
Mon 5/18
9:50 am-10:40 am
1 stop38h 50m
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Fri 4/17
7:15 am-11:40 pm
2 stops26h 25m
Bangkok Suvarnabhumi
Wed 5/13
9:40 pm-10:40 am
1 stop27h 00m
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Tue 5/5
12:50 pm-11:40 pm
1 stop20h 50m
Bangkok Suvarnabhumi
Mon 5/25
9:40 pm-10:40 am
1 stop27h 00m
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Fri 4/24
12:50 pm-11:40 pm
1 stop20h 50m
Bangkok Suvarnabhumi
Mon 5/11
11:30 pm-10:40 am
1 stop25h 10m
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Tue 4/7
12:50 pm-11:40 pm
1 stop20h 50m
Bangkok Suvarnabhumi
Sun 4/19
11:30 pm-10:40 am
1 stop25h 10m
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Tue 4/7
12:50 pm-1:15 pm
1 stop34h 25m
Bangkok Suvarnabhumi
Tue 4/21
11:30 pm-10:40 am
1 stop25h 10m
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Thu 4/30
7:15 am-11:40 pm
2 stops26h 25m
Bangkok Suvarnabhumi
Sun 6/28
9:50 am-10:50 am
1 stop39h 00m
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Mon 4/13
7:15 am-11:40 pm
2 stops26h 25m
Bangkok Suvarnabhumi
Mon 5/18
11:30 pm-10:40 am
1 stop25h 10m
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Sat 1/10
10:00 am-2:20 pm
1 stop37h 20m
SeattleBangkok
SEA - BKK
SEABKK
Seattle/Tacoma Intl
Mon 2/16
11:25 am-12:45 am
1 stop22h 20m
| 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 $524). Flying from Seattle to Bangkok Suvarnabhumi Airport in June is currently the most expensive (average of $944). 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 8% 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.
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
Comfort
Overall
Boarding
Entertainment
Reviews
Chad,Nov 2025
TPE - SEA
Crew
Food
Comfort
Overall
Boarding
Entertainment
Reviews
Chad,Nov 2025
TPE - SEA
Crew
Food
Comfort
Overall
Boarding
Entertainment
Reviews
Chad,Nov 2025
TPE - SEA
Crew
Food
Comfort
Overall
Boarding
Entertainment
Reviews
Chad,Nov 2025
TPE - SEA
Crew
Food
Comfort
Overall
Boarding
Entertainment
Reviews
Chad,Nov 2025
TPE - SEA
Crew
Food
Comfort
Overall
Boarding
Entertainment
Reviews
Chad,Nov 2025
TPE - SEA
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$173 | Average$701 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$433 | Average$867 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$519 | Average$706 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$612 | Average$688 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$685 | Average$753 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$686 | Average$883 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$700 | Average$916 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$733 | Average$832 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$735 | Average$880 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$740 | Average$858 | FlexibilityNo cancel fee | On-timeN/A |