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Cheap flights from Seattle to Ko Samui from $571

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 Ko Samui departing on 8/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Seattle to Ko Samui

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Seattle to Ko Samui.
Qatar Airways Logo
4:30 pm - 10:30 amSEA-USM
28h 00m2 stops
Qatar Airways Logo
2:30 pm - 12:45 pmUSM-SEA
60h 15m2 stops
$1,190Qatar Airways
Find Deal
Thu, May 22 - Sat, Jun 28
 Logo
1:40 am - 5:45 pmSEA-USM
26h 05m2 stops
 Logo
1:50 pm - 7:45 pmUSM-SEA
19h 55m2 stops
$1,241
Find Deal
Sat, Jul 12 - Sat, Jul 19
Singapore Airlines Logo
10:15 am - 7:50 amSEA-USM
31h 35m1 stop
Singapore Airlines Logo
7:25 pm - 8:45 amUSM-SEA
27h 20m1 stop
$1,326Singapore Airlines
Find Deal
Tue, Jun 3 - Wed, Jun 18
Singapore Airlines Logo
10:15 am - 7:50 amSEA-USM
31h 35m1 stop
Singapore Airlines Logo
8:45 am - 8:45 amUSM-SEA
38h 00m1 stop
$1,349Singapore Airlines
Find Deal
Tue, Jun 3 - Sat, Jun 14
Turkish Airlines Logo
7:10 pm - 6:30 pmSEA-USM
33h 20m2 stops
Turkish Airlines Logo
8:00 am - 5:15 pmUSM-SEA
47h 15m2 stops
$1,351Turkish Airlines
Find Deal
Tue, Jun 3 - Mon, Jun 16
Singapore Airlines Logo
10:15 am - 11:10 amSEA-USM
34h 55m1 stop
Singapore Airlines Logo
8:45 am - 8:45 amUSM-SEA
38h 00m1 stop
$1,376Singapore Airlines
Find Deal
Thu, May 22 - Sat, Jun 28
 Logo
7:10 pm - 9:00 amSEA-USM
47h 50m2 stops
 Logo
7:10 pm - 5:15 pmUSM-SEA
36h 05m2 stops
$1,394
Find Deal
Fri, Jun 6 - Fri, Jun 13
Turkish Airlines Logo
7:10 pm - 9:35 pmSEA-USM
36h 25m2 stops
Turkish Airlines Logo
1:30 pm - 10:35 amUSM-SEA
59h 05m2 stops
$1,439Turkish Airlines
Find Deal
Sun, Jun 1 - Thu, Jun 12
EVA Air Logo
1:50 am - 2:45 pmSEA-USM
22h 55m2 stops
EVA Air Logo
7:00 am - 7:30 pmUSM-SEA
26h 30m2 stops
$1,574EVA Air
Find Deal
Wed, May 21 - Sat, Jun 28
EVA Air Logo
1:50 am - 9:35 pmSEA-USM
29h 45m2 stops
EVA Air Logo
8:45 am - 7:30 pmUSM-SEA
24h 45m2 stops
$1,713EVA Air
Find Deal
Fri, Jun 6 - Sat, Jun 14

Qatar Airways flights from Seattle to Ko Samui

Our best Qatar Airways deals on Seattle to Ko Samui flight tickets
Qatar Airways
May 22
SEA4:30 pmSeattle/Tacoma Intl
28h 00m
2 stops
USM10:30 amKo Samui
Jun 28
USM2:30 pmKo Samui
60h 15m
2 stops
SEA12:45 pmSeattle/Tacoma Intl
Qatar Airways
May 2
SEA4:30 pmSeattle/Tacoma Intl
31h 25m
2 stops
USM1:55 pmKo Samui
May 10
USM5:55 pmKo Samui
56h 50m
2 stops
SEA12:45 pmSeattle/Tacoma Intl
Qatar Airways
Jun 1
SEA4:30 pmSeattle/Tacoma Intl
31h 25m
2 stops
USM1:55 pmKo Samui
Jun 12
USM5:55 pmKo Samui
56h 50m
2 stops
SEA12:45 pmSeattle/Tacoma Intl

Singapore Airlines flights from Seattle to Ko Samui

Our best Singapore Airlines deals on Seattle to Ko Samui flight tickets
Singapore Airlines
Jun 3
SEA10:15 amSeattle/Tacoma Intl
31h 35m
1 stop
USM7:50 amKo Samui
Jun 18
USM7:25 pmKo Samui
27h 20m
1 stop
SEA8:45 amSeattle/Tacoma Intl
Singapore Airlines
Jun 3
SEA10:15 amSeattle/Tacoma Intl
31h 35m
1 stop
USM7:50 amKo Samui
Jun 14
USM8:45 amKo Samui
38h 00m
1 stop
SEA8:45 amSeattle/Tacoma Intl
Singapore Airlines
May 22
SEA10:15 amSeattle/Tacoma Intl
34h 55m
1 stop
USM11:10 amKo Samui
Jun 28
USM8:45 amKo Samui
38h 00m
1 stop
SEA8:45 amSeattle/Tacoma Intl

See travel insights to Ko Samui from

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 day to depart on your flight to Ko Samui?

Our data shows that Tuesday is the least expensive day to fly to Ko Samui. Tickets to fly out on this day can be as low as $275. Flights from Seattle to Ko Samui on a Sunday will generally be more expensive and average around $548. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Ko Samui?

Our data shows that the cheapest Seattle to Ko Samui flights are usually those with departure times in the afternoon. Our users have found flights to Ko Samui in the afternoon for as low as $304. In the evening is when there is more demand to fly to Ko Samui, so prices are often more expensive at around $454 per ticket.

When to book flights from Seattle to Ko Samui

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

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

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

Best Price Found

$571

Fastest flight time

20h 55m

Direct flights

None

Airports in Ko Samui

1 airport
The best one-way flight to Ko Samui from Seattle in the past 72 hours is $571. The best round-trip flight deal from Seattle to Ko Samui found on momondo in the last 72 hours is $1,190.
The fastest flight from Seattle to Ko Samui takes 20h 55m
There are no direct flights from Seattle to Ko Samui. Popular non-direct route for this connection is Seattle/Tacoma Intl Airport - Ko Samui Airport.
There is 1 airport near Ko 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 20h 55m.

  • 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 Ko Samui?


Best airlines flying from Seattle to Ko Samui

Compare and see reviews for airlines that fly from Seattle to Ko Samui with momondo
Airline
Rating
Free Cancellation
Price
EVA AirPriceFrom $1,057Free CancellationRating
8.4
1,180 reviews
Search EVA Air flights

Traveling to a place near Ko Samui?

Book flights to Ko Samui if you plan to visit one of these locations
Ko Pha Ngan
Ko Tao
Khanom

Why use momondo?

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

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

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

momondo does allow users to show only those flights to Ko 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 Ko 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 Ko Samui.

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

Price alerts on flights to Ko 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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