
Most accurate provider | Justfly.com 3 stars |
|---|---|
Most trusted provider | Justfly.com 3 stars |
Round-trip from | $632 (SmartFares) |
One-way from | $428 (Trip.com) |
Popular in | July |
Cheapest in | February |
Average price | $793 |
Fly from
Fly to
Route
Depart
Return
Price
BangkokSeattle
BKK - SEA
BKKSEA
Bangkok Suvarnabhumi
Thu 5/21
1:20 am-2:55 pm
1 stop27h 35m
Seattle/Tacoma Intl
Mon 6/1
12:10 am-11:10 pm
1 stop33h 00m
BangkokSeattle
BKK - SEA
BKKSEA
Bangkok Suvarnabhumi
Fri 5/22
9:35 am-2:25 pm
1 stop18h 50m
Seattle/Tacoma Intl
Tue 6/2
9:55 am-4:35 am
2 stops28h 40m
BangkokSeattle
BKK - SEA
BKKSEA
Bangkok Suvarnabhumi
Mon 6/1
9:35 am-2:25 pm
1 stop18h 50m
Seattle/Tacoma Intl
Tue 9/1
8:35 am-11:55 pm
2 stops25h 20m
BangkokSeattle
BKK - SEA
BKKSEA
Bangkok Suvarnabhumi
Wed 3/4
1:20 pm-6:40 pm
1 stop20h 20m
Seattle/Tacoma Intl
Wed 3/4
11:08 pm-12:00 pm
2 stops45h 52m
BangkokSeattle
BKK - SEA
BKKSEA
Bangkok Suvarnabhumi
Wed 5/13
9:35 am-11:29 pm
2 stops27h 54m
Seattle/Tacoma Intl
Tue 10/6
5:15 am-4:35 am
2 stops33h 20m
BangkokSeattle
BKK - SEA
BKKSEA
Bangkok Suvarnabhumi
Mon 6/1
9:35 am-8:48 pm
2 stops25h 13m
Seattle/Tacoma Intl
Wed 9/16
5:15 am-11:55 pm
2 stops28h 40m
BangkokSeattle
BKK - SEA
BKKSEA
Bangkok Suvarnabhumi
Tue 4/14
3:40 pm-7:38 pm
2 stops41h 58m
Seattle/Tacoma Intl
Sun 7/12
4:30 pm-4:35 am
1 stop22h 05m
BangkokSeattle
BKK - SEA
BKKSEA
Bangkok Suvarnabhumi
Thu 4/16
9:40 pm-2:00 pm
1 stop30h 20m
Seattle/Tacoma Intl
Sun 7/12
12:45 pm-9:45 pm
1 stop19h 00m
BangkokSeattle
BKK - SEA
BKKSEA
Bangkok Suvarnabhumi
Thu 2/5
4:55 pm-12:59 am
2 stops23h 04m
Seattle/Tacoma Intl
Sat 2/21
5:20 pm-12:20 am
2 stops40h 00m
BangkokSeattle
BKK - SEA
BKKSEA
Bangkok Suvarnabhumi
Thu 1/22
4:55 pm-3:44 pm
3 stops37h 49m
Seattle/Tacoma Intl
Wed 2/4
1:17 pm-11:25 am
2 stops55h 08m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
The best time to book flights from Bangkok Suvarnabhumi Airport to Seattle is 65 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, June is the cheapest month in which you can book a flight from Bangkok Suvarnabhumi Airport to Seattle (average of $624). Flying from Bangkok Suvarnabhumi Airport to Seattle in July is currently the most expensive (average of $800). 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.
It’s typically best to fly out from Bangkok Suvarnabhumi Airport to Seattle at noon. Doing so could potentially save you 37% on the flight price compared to flying in the afternoon, which is usually more expensive.
Travelers seeking maximum savings on their Bangkok Suvarnabhumi Airport to Seattle flight should consider departing on Thursday at noon when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Food
Boarding
Comfort
Overall
Entertainment
Crew
Reviews
Chad,Nov 2025
TPE - SEA
Food
Boarding
Comfort
Overall
Entertainment
Crew
Reviews
Chad,Nov 2025
TPE - SEA
Food
Boarding
Comfort
Overall
Entertainment
Crew
Reviews
Chad,Nov 2025
TPE - SEA
Food
Boarding
Comfort
Overall
Entertainment
Crew
Reviews
Chad,Nov 2025
TPE - SEA
Food
Boarding
Comfort
Overall
Entertainment
Crew
Reviews
Chad,Nov 2025
TPE - SEA
Food
Boarding
Comfort
Overall
Entertainment
Crew
Reviews
Chad,Nov 2025
TPE - SEA
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$624 | Average$654 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$651 | Average$873 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$705 | Average$825 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$766 | Average$941 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$781 | Average$1,066 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$781 | Average$856 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$801 | Average$965 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$829 | Average$926 | FlexibilityNo cancel fee | On-timeN/A |