What’s the cost of a flight from Seattle to Ko Samui?

Prices vary based on date, airline, and availability. Compare several options if you're flying between Seattle and Ko Samui.

Choose a date to explore the best fares now.

If possible, avoid holiday periods: ticket prices tend to rise quickly and availability drops, especially on busy routes. Morning and evening flights are often in high demand too — book early to get a good fare.

Exploring all airports near Seattle and Ko Samui

Checking all the airports available in the area can give you more departure and arrival options for your trip.

• Airports in Seattle: 2 different airports operate in Seattle - Boeing Field, Lake Union.
• Airports in Ko Samui: Ko Samui - Koh Samui is the only option available right now.

Looking at expected traffic to the airport can help avoid surprises on departure day. On busy routes, flying from a quieter airport might also save you money.

Explore flights from Seattle to Ko Samui your way

On Jetcost, you can filter by round-trip or one-way, time of day, airline, number of stops, and even by specific travel agency.

Other popular destinations

Also interested in Thailand? Check out: Bangkok, Chiang Mai, Ko Samui, Krabi, Phuket.

If you’re flexible with dates, try checking the days before and after to see if prices vary. Some routes are offered by multiple agencies — comparing fares can really pay off.