Question 1

Which is the best airline for flights from Seattle to Ko Samui, EVA Air or Singapore Airlines?

Accepted Answer

The two airlines most popular with KAYAK users for flights from Seattle to Ko Samui are EVA Air and Singapore Airlines. With an average price for the route of $1,258 and an overall rating of 8.4, EVA Air is the most popular choice. Singapore Airlines is also a great choice for the route, with an average price of $1,066 and an overall rating of 8.2.

Question 2

What is the cheapest flight from Seattle to Ko Samui?

Accepted Answer

In the last 3 days, the lowest price for a flight from Seattle to Ko Samui was $2,976 for a one-way ticket and $990 for a round-trip. <a href='/flight-routes/Seattle-Tacoma-Intl-SEA/Ko-Samui-USM'>Visit our flight page for the latest deals!>/a>

Question 3

Do I need a passport to fly between Seattle and Ko Samui?

Accepted Answer

Yes, you'll most likely have to show a valid passport before boarding the plane in Seattle and on arrival in Ko Samui. <a href='/flight-routes/Seattle-Tacoma-Intl-SEA/Ko-Samui-USM'>Visit our flight page for the latest deals!>/a>

Question 4

What’s the cheapest day of the week to fly from Seattle to Ko Samui?

Accepted Answer

Your flight ticket price will generally be cheaper if you fly to Ko Samui on a Tuesday and more expensive on a Sunday. On your return trip to Seattle, you should consider flying back on a Thursday, and avoid Sundays for better deals. Visit our flight page for the latest deals!>/a>

Question 5

What’s the cheapest day of the week to fly from Seattle to Ko Samui?

Accepted Answer

Your flight ticket price will generally be cheaper if you fly to Ko Samui on a Tuesday and more expensive on a Sunday. On your return trip to Seattle, you should consider flying back on a Thursday, and avoid Sundays for better deals. Visit our flight page for the latest deals!>/a>

Question 6

Which aircraft models fly most regularly from Seattle to Ko Samui?

Accepted Answer

We unfortunately don’t have that data for this specific route.

Question 7

Which airline alliances offer flights from Seattle to Ko Samui?

Accepted Answer

Star Alliance is the only airline alliance operating flights between Seattle and Ko Samui.

Question 8

How does KAYAK find such low prices on flights from Seattle to Ko Samui?

Accepted Answer

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Seattle to Ko Samui. <a href='/flight-routes/Seattle-Tacoma-Intl-SEA/Ko-Samui-USM'>Visit our flight page for the latest deals!>/a>

Question 9

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Seattle to Ko Samui?

Accepted Answer

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ko Samui from Seattle is likely to change within 7 days, so travelers know whether to wait or book now. <a href='/flight-routes/Seattle-Tacoma-Intl-SEA/Ko-Samui-USM'>Visit our flight page for the latest deals!>/a>

Question 10

What is the Hacker Fare option on flights from Seattle to Ko Samui?

Accepted Answer

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Ko Samui with an airline and back to Seattle with another airline. Booking your flights between Seattle and USM can sometimes prove cheaper using this method. <a href='/flight-routes/Seattle-Tacoma-Intl-SEA/Ko-Samui-USM'>Visit our flight page for the latest deals!>/a>

Question 11

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Seattle to Ko Samui?

Accepted Answer

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ko Samui from Seattle up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. <a href='/flight-routes/Seattle-Tacoma-Intl-SEA/Ko-Samui-USM'>Visit our flight page for the latest deals!>/a>

Question 12

How often are flights from Seattle to Ko Samui delayed?

Accepted Answer

Weekly flights between Seattle and Ko Samui historically see delays in approximately 15% of cases, with the average delay over the past year being 142 minutes.

Question 13

Which airline has the best punctuality record on Seattle to Ko Samui flights?

Accepted Answer

Based on our data, Delta have experienced the fewest delays on this route in the past 12 months, with only about 9% of their flights encountering any delays.

Question 14

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

Statistically, Wednesday is the day of the week with the fewest delays on this flight route, while Thursday has typically experienced more delays than other days.

Question 15

What is the most punctual flight time for Seattle to Ko Samui flights?

Accepted Answer

Typically, flights leaving at night tend to face fewer delays, whereas flights in the early afternoon have historically encountered delays more often.

Question 16

Which airlines provide the cheapest flights from Seattle to Ko Samui?

Accepted Answer

In the past 3 days, the cheapest round-trip tickets from Seattle to Ko Samui were found on Singapore Airlines ($1,112) and EVA Air ($1,317).

Question 17

Which airlines provide the cheapest flights from Seattle to Ko Samui?

Accepted Answer

In the past 3 days, the cheapest round-trip tickets from Seattle to Ko Samui were found on Singapore Airlines ($1,112) and EVA Air ($1,317).

Question 18

What are the most popular airlines flying to Ko Samui?

Accepted Answer

The most popular airline among KAYAK users flying to Ko Samui is Singapore Airlines, followed by EVA Air.

SEA - USM

$990 Find Cheap Flights from Seattle to Ko Samui

KAYAK searches hundreds of travel sites at once for deals on flights to Ko Samui

Everything you should know

Cheap Flights from Seattle to Ko Samui (SEA-USM)

Recent round-trip flight deals from Seattle to Ko Samui

Recent one-way flight deals from Seattle to Ko Samui

KAYAK's insights & trends for Seattle to Ko Samui flights

Get data-powered insights and trends into flights from Seattle to Ko Samui to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Seattle to Ko Samui?

Your flight ticket price will generally be cheaper if you fly to Ko Samui on a Tuesday and more expensive on a Sunday. On your return trip to Seattle, you should consider flying back on a Thursday, and avoid Sundays for better deals.

Which airlines provide the cheapest flights from Seattle to Ko Samui?

In the past 3 days, the cheapest round-trip tickets from Seattle to Ko Samui were found on Singapore Airlines ($1,112) and EVA Air ($1,317).

How often are flights from Seattle to Ko Samui delayed?

Weekly flights between Seattle and Ko Samui historically see delays in approximately 15% of cases, with the average delay over the past year being 142 minutes.

What is the most punctual flight time for Seattle to Ko Samui flights?

Typically, flights leaving at night tend to face fewer delays, whereas flights in the early afternoon have historically encountered delays more often.

What day of the week experiences the fewest flight delays on this route?

Statistically, Wednesday is the day of the week with the fewest delays on this flight route, while Thursday has typically experienced more delays than other days.

Which airline has the best punctuality record on Seattle to Ko Samui flights?

Based on our data, Delta have experienced the fewest delays on this route in the past 12 months, with only about 9% of their flights encountering any delays.

Expert advice for your flight from Seattle to Ko Samui

Good to know

When to book flights from Seattle to Ko Samui

FAQs for booking flights from Seattle to Ko Samui

What is the cheapest flight from Seattle to Ko Samui?

In the last 3 days, the lowest price for a flight from Seattle to Ko Samui was $2,976 for a one-way ticket and $990 for a round-trip.

Do I need a passport to fly between Seattle and Ko Samui?

Yes, you'll most likely have to show a valid passport before boarding the plane in Seattle and on arrival in Ko Samui.

Which aircraft models fly most regularly from Seattle to Ko Samui?

We unfortunately don’t have that data for this specific route.

Which airline alliances offer flights from Seattle to Ko Samui?

Star Alliance is the only airline alliance operating flights between Seattle and Ko Samui.

Which is the best airline for flights from Seattle to Ko Samui, EVA Air or Singapore Airlines?

How does KAYAK find such low prices on flights from Seattle to Ko Samui?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Seattle to Ko Samui.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Seattle to Ko Samui?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ko Samui from Seattle is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Seattle to Ko Samui?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Ko Samui with an airline and back to Seattle with another airline. Booking your flights between Seattle and USM can sometimes prove cheaper using this method.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Seattle to Ko Samui?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ko Samui from Seattle up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airlines flying from Seattle to Ko Samui

Everything you need to know for your flight from Seattle to Ko Samui

Information on your arrival and departure airports

Cabin class types available on flights from Seattle to Ko Samui

Complete your trip to Ko Samui with a hotel stay or car rental

Find direct flights to and from Seattle and Ko Samui

Flights to other popular destinations

Flights from domestic origins to Ko Samui

Choose which airport to fly into in Ko Samui