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Cheap flights from Seattle to Koh Samui from $798

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Koh Samui departing on 12/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Seattle to Koh Samui

Cheap round-trip flights

These are some of the best round-trip flight deals from Seattle to Koh Samui that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Seattle to Koh Samui.

Cheap last minute flights

Planning a quick getaway from Seattle to Koh Samui? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Koh Samui, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Seattle to Koh Samui

Find recent round-trip train or bus tickets from Seattle to Koh Samui.

All round-trip flight deals to Koh Samui

The cheapest plane tickets to Koh Samui found on KAYAK recently.
8:40 am - 8:00 amSEA-USM
56h 20m1 stop
8:55 am - 8:10 amUSM-SEA
37h 15m1 stop
$1,004Singapore Airlines
Find Deal
Thu, Feb 13 - Fri, Mar 14
10:15 am - 6:30 pmSEA-USM
42h 15m1 stop
7:25 pm - 8:45 amUSM-SEA
27h 20m1 stop
$1,038Singapore Airlines
Find Deal
Sun, Apr 6 - Sat, Apr 12
11:30 pm - 5:00 pmSEA-USM
26h 30m2 stops
10:00 am - 7:10 pmUSM-SEA
23h 10m2 stops
$1,051EVA Air
Find Deal
Thu, Feb 13 - Fri, Mar 14
2:00 pm - 7:20 amSEA-USM
27h 20m2 stops
9:10 pm - 12:35 pmUSM-SEA
29h 25m2 stops
$1,063
Find Deal
Sun, Apr 6 - Sat, Apr 12
12:10 am - 8:40 pmSEA-USM
29h 30m2 stops
10:00 am - 7:10 pmUSM-SEA
23h 10m2 stops
$1,089EVA Air
Find Deal
Wed, Feb 12 - Fri, Mar 14
10:15 am - 6:30 pmSEA-USM
42h 15m1 stop
7:25 pm - 8:45 amUSM-SEA
27h 20m1 stop
$1,090Singapore Airlines
Find Deal
Sun, Apr 6 - Sat, Apr 12
2:00 pm - 7:20 amSEA-USM
27h 20m2 stops
9:10 pm - 12:35 pmUSM-SEA
29h 25m2 stops
$1,110
Find Deal
Sun, Apr 6 - Sat, Apr 12
6:20 pm - 6:15 pmSEA-USM
32h 55m2 stops
11:40 am - 10:30 pmUSM-SEA
25h 50m2 stops
$1,316Bangkok Airways
Find Deal
Mon, Dec 2 - Thu, Dec 19
7:00 pm - 8:45 pmSEA-USM
34h 45m2 stops
9:05 pm - 5:05 pmUSM-SEA
35h 00m2 stops
$1,344Turkish Airlines
Find Deal
Mon, Dec 2 - Thu, Dec 19
7:00 pm - 8:45 pmSEA-USM
34h 45m2 stops
9:30 pm - 5:05 pmUSM-SEA
34h 35m2 stops
$1,349Turkish Airlines
Find Deal
Mon, Dec 2 - Thu, Dec 19
4:05 pm - 8:50 pmSEA-USM
37h 45m2 stops
$798Qatar Airways
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Sun, Dec 29
12:10 am - 5:10 pmSEA-USM
50h 00m2 stops
Sat, Dec 28
11:30 pm - 8:40 pmSEA-USM
54h 10m2 stops
$922EVA Air
Find Deal
Sat, Dec 28
12:45 pm - 8:00 amSEA-USM
52h 15m3 stops
Sat, Dec 28
12:45 pm - 8:00 amSEA-USM
52h 15m3 stops
$1,132
Find Deal
Fri, Dec 27
8:40 am - 8:00 amSEA-USM
56h 20m1 stop
$1,315Singapore Airlines
Find Deal
Sat, Dec 28
8:40 am - 12:25 pmSEA-USM
36h 45m1 stop
$1,321Singapore Airlines
Find Deal
Sun, Dec 29
11:30 pm - 8:40 amSEA-USM
42h 10m2 stops
$1,377EVA Air
Find Deal
Tue, Dec 17
7:00 pm - 9:05 pmSEA-USM
35h 05m2 stops
$1,459Turkish Airlines
Find Deal
Fri, Dec 27
8:40 am - 9:05 pmSEA-USM
21h 25m1 stop
$2,630Singapore Airlines
Find Deal
Tue, Dec 17

Singapore Airlines flights from Seattle to Koh Samui

Our best Singapore Airlines deals on Seattle to Koh Samui flight tickets
Singapore Airlines
Feb 13
SEA8:40 amSeattle/Tacoma Intl
56h 20m
1 stop
USM8:00 amKo Samui
Mar 14
USM8:55 amKo Samui
37h 15m
1 stop
SEA8:10 amSeattle/Tacoma Intl
Singapore Airlines
Apr 6
SEA10:15 amSeattle/Tacoma Intl
42h 15m
1 stop
USM6:30 pmKo Samui
Apr 12
USM7:25 pmKo Samui
27h 20m
1 stop
SEA8:45 amSeattle/Tacoma Intl
Singapore Airlines
Apr 6
SEA10:15 amSeattle/Tacoma Intl
42h 15m
1 stop
USM6:30 pmKo Samui
Apr 12
USM7:25 pmKo Samui
27h 20m
1 stop
SEA8:45 amSeattle/Tacoma Intl

EVA Air flights from Seattle to Koh Samui

Our best EVA Air deals on Seattle to Koh Samui flight tickets
EVA Air
Feb 13
SEA11:30 pmSeattle/Tacoma Intl
26h 30m
2 stops
USM5:00 pmKo Samui
Mar 14
USM10:00 amKo Samui
23h 10m
2 stops
SEA7:10 pmSeattle/Tacoma Intl
EVA Air
Feb 12
SEA12:10 amSeattle/Tacoma Intl
29h 30m
2 stops
USM8:40 pmKo Samui
Mar 14
USM10:00 amKo Samui
23h 10m
2 stops
SEA7:10 pmSeattle/Tacoma Intl
EVA Air
Dec 1
SEA12:10 amSeattle/Tacoma Intl
29h 45m
2 stops
USM8:55 pmKo Samui
Dec 19
USM7:55 amKo Samui
24h 45m
2 stops
SEA5:40 pmSeattle/Tacoma Intl

How to get the cheapest flight ticket from Seattle to Koh 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 day to depart Seattle for Koh Samui?

Thursday. The cheapest day of the week is typically Thursday. The most expensive is typically Friday

When is the cheapest time to fly from Seattle to Koh Samui?

Seattle to Koh Samui flights are currently only available in the evening

What is the cheapest airline that flies to Koh Samui from Seattle?

EVA Air. EVA Air is the most popular carrier operating from Seattle to Koh Samui

What is the cheapest Seattle to Koh Samui flight route?

Seattle/Tacoma Intl - Ko Samui. Fly from Seattle/Tacoma Intl to Ko Samui for the best Seattle - Koh Samui flight prices

Can stopping save me money on Seattle to Koh Samui flights?

You could potentially save up to 57% on your flight if you consider stops on a Seattle to Koh Samui flight.

When to book flights from Seattle to Koh Samui

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Koh Samui according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Koh Samui (SEA to USM) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Koh Samui

Best Price Found

$798

Fastest flight time

21h 25m

Direct flights

None

Airports in Koh Samui

1 airport
The best one-way flight to Koh Samui from Seattle in the past 72 hours is $798. The best round-trip flight deal from Seattle to Koh Samui found on momondo in the last 72 hours is $1,004.
The fastest flight from Seattle to Koh Samui takes 21h 25m
There are no direct flights from Seattle to Koh Samui. Popular non-direct route for this connection is Seattle/Tacoma Intl Airport - Ko Samui Airport.
There is 1 airport near Koh Samui: Ko Samui (USM)

  • How far is Seattle/Tacoma Intl to Ko Samui by plane?

    The distance between Seattle/Tacoma Intl and Ko Samui is about 7708.5 mi. A reasonable flight in good conditions will take 21h 35m.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Ko Samui Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Ko Samui Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Ko Samui Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Ko Samui Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Ko Samui Airport.

  • What documentation or ID do you need to fly to Ko Samui Airport?

    The required travel and health documents for your Ko Samui Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ko Samui Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Seattle to Koh Samui?


Best airlines flying from Seattle to Koh Samui

Compare and see reviews for airlines that fly from Seattle to Koh Samui with momondo
Airline
Rating
Free Cancellation
Price
EVA AirPriceFrom $1,269Free CancellationRating
8.4
1,316 reviews
Search EVA Air flights

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Koh Samui?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Seattle to Koh Samui. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Seattle to Koh Samui with flexible booking policies on momondo?

momondo does allow users to show only those flights to Koh Samui from Seattle which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Seattle to Koh Samui?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Seattle to Koh Samui.

I’m not ready to book a flight from Seattle to Koh Samui right now. Can momondo alert me if prices change?

Price alerts on flights to Koh Samui from Seattle are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


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