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Cheap flights from Seattle to Ko Samui from $1,173

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Ko Samui departing on 5/16. 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 - 11:55 amSEA-USM
29h 25m2 stops
Qatar Airways Logo
12:10 pm - 12:45 pmUSM-SEA
62h 35m2 stops
$1,173Qatar Airways
Find Deal
Fri, May 16 - Fri, May 23
Qatar Airways Logo
4:30 pm - 10:30 amSEA-USM
52h 00m2 stops
Qatar Airways Logo
5:55 pm - 12:45 pmUSM-SEA
56h 50m2 stops
$1,179Qatar Airways
Find Deal
Thu, May 15 - Thu, May 22
Qatar Airways Logo
4:30 pm - 10:30 amSEA-USM
28h 00m2 stops
Qatar Airways Logo
5:55 pm - 12:45 pmUSM-SEA
56h 50m2 stops
$1,218Qatar Airways
Find Deal
Sat, May 17 - Sat, May 24
 Logo
1:15 am - 8:30 pmSEA-USM
29h 15m2 stops
 Logo
8:45 am - 4:10 pmUSM-SEA
21h 25m2 stops
$1,239
Find Deal
Wed, May 14 - Thu, May 22
Qatar Airways Logo
4:30 pm - 10:30 amSEA-USM
28h 00m2 stops
Qatar Airways Logo
3:50 pm - 12:45 pmUSM-SEA
34h 55m2 stops
$1,264Qatar Airways
Find Deal
Sat, May 17 - Sat, May 24
 Logo
8:08 am - 7:20 amSEA-USM
33h 12m3 stops
 Logo
1:50 pm - 7:30 pmUSM-SEA
19h 40m2 stops
$1,333
Find Deal
Thu, May 15 - Thu, May 22
Qatar Airways Logo
4:30 pm - 10:30 amSEA-USM
28h 00m2 stops
Qatar Airways Logo
5:55 pm - 12:45 pmUSM-SEA
56h 50m2 stops
$1,338Qatar Airways
Find Deal
Mon, Jun 16 - Tue, Jun 24
Singapore Airlines Logo
10:15 am - 11:50 amSEA-USM
35h 35m1 stop
Singapore Airlines Logo
8:45 am - 8:45 amUSM-SEA
38h 00m1 stop
$1,391Singapore Airlines
Find Deal
Sat, May 17 - Sat, May 24
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
$1,418Singapore Airlines
Find Deal
Sat, May 17 - Sat, May 24
Emirates Logo
5:15 pm - 9:10 pmSEA-USM
61h 55m2 stops
Emirates Logo
8:00 am - 1:25 pmUSM-SEA
43h 25m2 stops
$1,689Emirates
Find Deal
Thu, May 15 - Thu, May 22

Qatar Airways flights from Seattle to Ko Samui

Our best Qatar Airways deals on Seattle to Ko Samui flight tickets
Qatar Airways
May 16
SEA4:30 pmSeattle/Tacoma Intl
29h 25m
2 stops
USM11:55 amKo Samui
May 23
USM12:10 pmKo Samui
62h 35m
2 stops
SEA12:45 pmSeattle/Tacoma Intl
Qatar Airways
May 15
SEA4:30 pmSeattle/Tacoma Intl
52h 00m
2 stops
USM10:30 amKo Samui
May 22
USM5:55 pmKo Samui
56h 50m
2 stops
SEA12:45 pmSeattle/Tacoma Intl
Qatar Airways
May 17
SEA4:30 pmSeattle/Tacoma Intl
28h 00m
2 stops
USM10:30 amKo Samui
May 24
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
May 17
SEA10:15 amSeattle/Tacoma Intl
35h 35m
1 stop
USM11:50 amKo Samui
May 24
USM8:45 amKo Samui
38h 00m
1 stop
SEA8:45 amSeattle/Tacoma Intl
Singapore Airlines
May 17
SEA10:15 amSeattle/Tacoma Intl
31h 35m
1 stop
USM7:50 amKo Samui
May 24
USM8:45 amKo Samui
38h 00m
1 stop
SEA8:45 amSeattle/Tacoma Intl
Singapore Airlines
May 15
SEA10:15 amSeattle/Tacoma Intl
34h 55m
1 stop
USM11:10 amKo Samui
May 22
USM1:30 pmKo Samui
33h 26m
2 stops
SEA8:56 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

$1,173

Fastest flight time

21h 35m

Direct flights

None

Airports in Ko Samui

1 airport
The best flight deal from Seattle to Ko Samui found on momondo in the last 72 hours is $1,173
The fastest flight from Seattle to Ko Samui takes 21h 35m
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 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 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
1,170 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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