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Easily compare round-trip flights from Seattle to Ko Samui
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 Ko Samui by changing tabs
Quickest
Cheapest
Singapore Airlines
17 Mar
SEA
3:00 am
Seattle/Tacoma Intl airport
35h 55m
1 Stop
4:55 am
+2
USM
Ko Samui airport
26 Mar
USM
7:40 pm
Ko Samui airport
57h 20m
2 Stops
3:00 pm
+2
SEA
Seattle/Tacoma Intl airport
961 USD
EVA Air
18 Oct
SEA
6:00 pm
Seattle/Tacoma Intl airport
26h 55m
2 Stops
10:55 am
+2
USM
Ko Samui airport
27 Oct
USM
1:00 pm
Ko Samui airport
27h 10m
2 Stops
2:10 am
+1
SEA
Seattle/Tacoma Intl airport
990 USD
EVA Air
18 Oct
SEA
6:00 pm
Seattle/Tacoma Intl airport
26h 55m
2 Stops
10:55 am
+2
USM
Ko Samui airport
27 Oct
USM
1:00 pm
Ko Samui airport
27h 10m
2 Stops
2:10 am
+1
SEA
Seattle/Tacoma Intl airport
990 USD
Singapore Airlines
17 Mar
SEA
3:00 am
Seattle/Tacoma Intl airport
35h 55m
1 Stop
4:55 am
+2
USM
Ko Samui airport
26 Mar
USM
7:40 pm
Ko Samui airport
57h 20m
2 Stops
3:00 pm
+2
SEA
Seattle/Tacoma Intl airport
961 USD
How to get the cheapest flight ticket from Seattle to Ko Samui
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 Ko Samui?
October
The cheapest time of year to fly to Ko Samui from Seattle is October. Most expensive is November
What is the cheapest day to fly to Ko Samui?
Tuesday
The cheapest day of the week is typically Tuesday. The most expensive is typically Saturday
When is the cheapest time to fly to Ko Samui?
in the morning
Seattle to Ko Samui flights are approximately 26% more expensive at noon than in the morning
What is the cheapest airline that flies to Ko Samui?
Singapore Airlines
Singapore Airlines, EVA Air, and Cathay Pacific are the most popular carriers operating from Seattle to Ko Samui
What is the cheapest route?
Seattle/Tacoma Intl - Ko Samui
Fly from Seattle/Tacoma Intl to Ko Samui for the best Seattle - Ko Samui flight prices
SEA
Seattle/Tacoma Intl
USM
Ko Samui
Flight information for Seattle to Ko Samui (USM - 03A)
Find info about flight duration, direct flights, and airports for your flight from Seattle to Ko Samui
| Fastest flight time | 21h 5m | The fastest flight from Seattle to Ko Samui takes 21h 5m. | |
| Direct flights | None | There are no direct flights from Seattle to Ko Samui. Popular non-direct route for this connection is Seattle/Tacoma Intl - Ko Samui. | |
| Airports in Ko Samui | 1 airport | There is 1 airport near Ko Samui: Ko Samui (USM) |
Alternative routes for Seattle to Ko Samui
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 Ko Samui? Check out some flights to other cities in Thailand
Round-trip flights to other destinations
Lost the lust for Ko Samui? Check out some flights to other destinations
*Flight prices to Ko Samui 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.