Cheap flights from Seattle to Thailand from $288
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 Thailand departing on 8/24. 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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How to get the cheapest flight ticket from Seattle to Thailand
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 month to fly to Thailand?
The month of February is, on average, the cheapest month to fly to Thailand from Seattle, with most prices found around $811. If you are unable to visit Thailand during the month of February, then departing from Seattle during the month March is also very affordable. Most momondo users find prices during this month for around $823.
What is the cheapest day to depart on your flight to Thailand?
The cheapest day to depart on your flight to Thailand is on a Tuesday when prices can be found for as low as $931. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Thailand is Friday, with ticket prices averaging around $1,111.
What is the cheapest time of day to depart on your flight to Thailand?
Flying to Thailand from Seattle in the morning is the least expensive time of day to depart. momondo users have found prices as low as $986 when looking at flights departing in the morning. In contrast, the most expensive time of day to depart to Thailand is at noon when prices are around $1,081.
How far in advance should I book a flight to Thailand?
You are more likely to see cheaper flights to Thailand from Seattle when booking 13 weeks ahead of your departure date. In general, you can expect to find flights to Thailand for around $946 when searching 13 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Thailand from Seattle for as low as $842 on momondo.
What is the cheapest airline that flies from Seattle/Tacoma Intl to Thailand?
Singapore Airlines, Asiana Airlines, and STARLUX Airlines are the most popular carriers operating from Seattle/Tacoma Intl to Thailand
What airlines fly to Thailand?
EVA Air, China Airlines and Asiana Airlines are the top three most popular airlines that fly to Thailand from Seattle according to our data. EVA Air is the first choice among our users, with 30% of people opting to fly with this airline when traveling to Thailand. Keep in mind that there are 18 different airlines that fly to Thailand on a routine basis, so you have a few additional options to choose from.
Cheap Seattle to Thailand flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Seattle to Thailand
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Thailand?
Prices for flights from Seattle/Tacoma Intl Airport to Thailand were last updated today.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Thailand?
The number of operators available for flights from Seattle/Tacoma Intl Airport to Thailand is 18 as of June 2025.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Thailand?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Thailand.
What documentation or ID do you need to fly to Thailand?
The required travel and health documents for your Thailand 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 Thailand. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
Best airlines flying from Seattle to Thailand
Compare and see reviews for airlines that fly from Seattle to Thailand with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $433 | Free Cancellation | Rating 8.0 7,963 reviews | |||
| PriceFrom $606 | Free Cancellation | Rating 8.1 1,308 reviews | |||
| PriceFrom $632 | Free Cancellation | Rating 8.2 441 reviews | |||
| PriceFrom $694 | Free Cancellation | Rating 8.4 1,090 reviews | |||
| PriceFrom $708 | Free Cancellation | Rating 7.2 875 reviews | |||
| PriceFrom $736 | Free Cancellation | Rating 8.3 740 reviews | |||
| PriceFrom $739 | Free Cancellation | Rating 9.1 178 reviews | |||
| PriceFrom $755 | Free Cancellation | Rating 7.2 151 reviews | |||
| PriceFrom $759 | Free Cancellation | Rating 8.3 886 reviews | |||
| PriceFrom $773 | Free Cancellation | Rating 7.3 3,852 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Seattle to Thailand?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Seattle to Thailand for you.
Can I find flights from Seattle to Thailand with flexible booking policies on momondo?
Yes. All flights to Thailand from Seattle on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Seattle to Thailand?
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 Thailand.
I’m not ready to book a flight from Seattle to Thailand right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Seattle to Thailand now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Thailand and let you know when they change.