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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
China Eastern
28 Nov
SEA
7:41 am
Seattle/Tacoma Intl airport
41h 24m
1 Stop
4:05 pm
+2
BKK
Bangkok Suvarnabhumi airport
18 Dec
BKK
10:55 pm
Bangkok Suvarnabhumi airport
30h 56m
2 Stops
2:51 pm
+1
SEA
Seattle/Tacoma Intl airport
588 USD
Asiana Airlines
24 Feb
SEA
4:30 am
Seattle/Tacoma Intl airport
20h 50m
1 Stop
4:20 pm
+1
BKK
Bangkok Suvarnabhumi airport
22 Mar
BKK
6:55 am
Bangkok Suvarnabhumi airport
26h 05m
1 Stop
7:00 pm
SEA
Seattle/Tacoma Intl airport
600 USD
Asiana Airlines
11 Feb
SEA
4:30 am
Seattle/Tacoma Intl airport
20h 50m
1 Stop
4:20 pm
+1
BKK
Bangkok Suvarnabhumi airport
16 Feb
BKK
6:55 am
Bangkok Suvarnabhumi airport
26h 05m
1 Stop
6:00 pm
SEA
Seattle/Tacoma Intl airport
606 USD
United Airlines
09 Apr
SEA
6:20 am
Seattle/Tacoma Intl airport
18h 20m
1 Stop
2:40 pm
+1
BKK
Bangkok Suvarnabhumi airport
16 Apr
BKK
1:45 pm
Bangkok Suvarnabhumi airport
18h 40m
1 Stop
6:25 pm
SEA
Seattle/Tacoma Intl airport
646 USD
Japan Airlines
28 Feb
SEA
4:30 am
Seattle/Tacoma Intl airport
20h 05m
1 Stop
3:35 pm
+1
BKK
Bangkok Suvarnabhumi airport
12 Mar
BKK
3:15 pm
Bangkok Suvarnabhumi airport
17h 15m
1 Stop
6:30 pm
SEA
Seattle/Tacoma Intl airport
678 USD
Singapore Airlines
12 Apr
SEA
3:40 am
Seattle/Tacoma Intl airport
19h 20m
1 Stop
1:00 pm
+1
BKK
Bangkok Suvarnabhumi airport
26 Apr
BKK
4:10 am
Bangkok Suvarnabhumi airport
25h 55m
1 Stop
4:05 pm
SEA
Seattle/Tacoma Intl airport
652 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?
October
The cheapest time of year to fly to Bangkok from Seattle is October. 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 Saturday
When is the cheapest time to fly to Bangkok?
in the morning
Seattle to Bangkok flights are approximately 18% 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
Fly from Seattle/Tacoma Intl to Bangkok Suvarnabhumi for the best Seattle - Bangkok flight prices
When is the cheapest time to book a flight to Bangkok?
55 days before
The cheapest time to buy a flight from Seattle to Bangkok is approximately 55 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 | 19h 30m | The fastest flight from Seattle to Bangkok takes 19h 30m. | |
| 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 and Seattle/Tacoma Intl - Bangkok Don Mueang Intl. | |
| Airports in Bangkok | 2 airports | There are 2 airports near Bangkok: Bangkok Suvarnabhumi (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 Bangkok? Check out some flights to other cities in Thailand
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.