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Easily compare round-trip flights from Seattle to Bangkok
Below you can see the best fares for your round-trip flight route over the next three months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Seattle to Bangkok by changing tabs
Quickest
Cheapest
ANA
17 Feb
SEA
4:20 am
Seattle/Tacoma Intl airport
19h 35m
1 Stop
2:55 pm
+1
BKK
Bangkok Suvarnabhumi & other airports airport
26 Feb
BKK
7:30 am
Bangkok Suvarnabhumi & other airports airport
24h 50m
1 Stop
5:20 pm
SEA
Seattle/Tacoma Intl airport
595 USD
Singapore Airlines
12 Mar
SEA
3:00 am
Seattle/Tacoma Intl airport
20h 00m
1 Stop
1:00 pm
+1
BKK
Bangkok Suvarnabhumi & other airports airport
23 Mar
BKK
1:10 am
Bangkok Suvarnabhumi & other airports airport
28h 15m
1 Stop
3:25 pm
SEA
Seattle/Tacoma Intl airport
602 USD
Major Airline
13 Jan
SEA
11:28 pm
Seattle/Tacoma Intl airport
25h 27m
2 Stops
3:55 pm
+2
BKK
Bangkok Suvarnabhumi & other airports airport
21 Jan
BKK
5:15 pm
Bangkok Suvarnabhumi & other airports airport
22h 58m
2 Stops
1:13 am
+1
SEA
Seattle/Tacoma Intl airport
604 USD
Cathay Pacific
23 Oct
SEA
6:00 pm
Seattle/Tacoma Intl airport
19h 00m
1 Stop
3:00 am
+2
BKK
Bangkok Suvarnabhumi & other airports airport
05 Nov
BKK
6:40 pm
Bangkok Suvarnabhumi & other airports airport
23h 00m
1 Stop
2:40 am
+1
SEA
Seattle/Tacoma Intl airport
665 USD
United Airlines
03 Oct
SEA
6:20 am
Seattle/Tacoma Intl airport
19h 50m
1 Stop
4:10 pm
+1
BKK
Bangkok Suvarnabhumi & other airports airport
09 Oct
BKK
4:35 pm
Bangkok Suvarnabhumi & other airports airport
22h 21m
2 Stops
12:56 am
+1
SEA
Seattle/Tacoma Intl airport
623 USD
ANA
04 Feb
SEA
4:20 am
Seattle/Tacoma Intl airport
19h 35m
1 Stop
2:55 pm
+1
BKK
Bangkok Suvarnabhumi & other airports airport
10 Feb
BKK
2:10 pm
Bangkok Suvarnabhumi & other airports airport
22h 50m
2 Stops
10:00 pm
SEA
Seattle/Tacoma Intl airport
613 USD
How to get the cheapest flight ticket from Seattle to Bangkok
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Bangkok?
September
The cheapest time of year to fly to Bangkok from Seattle is September. Most expensive is December
What is the cheapest day to fly to Bangkok?
Tuesday
The cheapest day of the week is typically Tuesday. The most expensive is typically Sunday
When is the cheapest time to fly to Bangkok?
in the morning
Seattle to Bangkok flights are approximately 21% more expensive in the afternoon than in the morning
What is the cheapest airline that flies to Bangkok?
Jeju Air
Jeju Air, British Airways, and Air China are the most popular carriers operating from Seattle to Bangkok
What is the cheapest route?
Seattle/Tacoma Intl - Bangkok Suvarnabhumi & other airports
Fly from Seattle/Tacoma Intl to Bangkok Suvarnabhumi & other airports for the best Seattle - Bangkok flight prices
When is the cheapest time to book a flight to Bangkok?
56 days before
The cheapest time to buy a flight from Seattle to Bangkok is approximately 56 days to departure
60
Days before departure
0
Flight information for Seattle to Bangkok (TH1 - 03A)
Find info about flight duration, direct flights, and airports for your flight from Seattle to Bangkok
| Fastest flight time | 18h 35m | The fastest flight from Seattle to Bangkok takes 18h 35m. | |
| Direct flights | None | There are no direct flights from Seattle to Bangkok. Popular non-direct routes for this connection are Seattle/Tacoma Intl - Bangkok Suvarnabhumi & other airports and Seattle/Tacoma Intl - Bangkok Don Mueang Intl. | |
| Airports in Bangkok | 2 airports | There are 2 airports near Bangkok: Bangkok Suvarnabhumi & other airports (BKK), Bangkok Don Mueang Intl (DMK) |
Alternative routes for Seattle to Bangkok
Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
Flights to other cities in Thailand
Lost the lust for Thailand? Check out some flights to other cities in Bangkok
Round-trip flights to other destinations
Lost the lust for Bangkok? Check out some flights to other destinations
*Flight prices to Bangkok are based on prices for economy tickets found by momondo users during searches within the last 72 hours. These prices may no longer be available.