Cheap flights from Thailand to Seattle from $393
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Thailand to Seattle departing on 9/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Thailand to Seattle
Recent round-trip flight deals from Thailand to Seattle
Recent one-way flight deals from Thailand to Seattle
Recent last minute flight deals from Thailand to Seattle
EVA Air flights from Thailand to Seattle
Our best EVA Air deals on Thailand to Seattle flight tickets
Philippine Airlines flights from Thailand to Seattle
Our best Philippine Airlines deals on Thailand to Seattle flight tickets
See travel insights to Seattle from
How to get the cheapest flight ticket from Thailand to Seattle
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 Seattle?
In general, November is the cheapest month to fly from Thailand to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $742. If you don’t want to visit Seattle in November, then you should wait until February to fly from Thailand, when ticket prices are also cheap, with an average price of $837.
What is the cheapest day to depart on your flight to Seattle?
On average, the least expensive day to fly to Seattle from Thailand is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $960. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Thursday is the most expensive day to depart from Thailand because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,014.
What is the cheapest time of day to depart on your flight to Seattle?
Flying to Seattle from Thailand at noon is the least expensive time of day to depart. momondo users have found prices as low as $651 when looking at flights departing at noon. Flights to Seattle are more costly in the afternoon, with an average ticket price of $1,039. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.
How far in advance should I book a flight to Seattle?
You are more likely to see cheaper flights to Seattle from Thailand when booking 25 weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $946 when searching 25 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Thailand for as low as $753 on momondo.
What is the cheapest airline that flies from Thailand to Seattle/Tacoma Intl?
Philippine Airlines, China Airlines, and STARLUX Airlines are the most popular carriers operating from Thailand to Seattle/Tacoma Intl
What airlines fly to Seattle?
Philippine Airlines, EVA Air and Asiana Airlines are the top three most popular airlines that fly to Seattle from Thailand according to our data. Philippine Airlines is the first choice among our users, with 30% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 11 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.
Cheap Thailand to Seattle flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Thailand to Seattle
When did momondo last update prices for flights from Thailand to Seattle/Tacoma Intl Airport?
Prices for flights from Thailand to Seattle/Tacoma Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Thailand to Seattle/Tacoma Intl Airport?
As of April 2025, there are 11 operators available to choose from for flights from Thailand to Seattle/Tacoma Intl Airport.
How old do you have to be to fly from Thailand to Seattle/Tacoma Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Thailand to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
Best airlines flying from Thailand to Seattle
Compare and see reviews for airlines that fly from Thailand to Seattle with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $551 | Free Cancellation | Rating 7.2 857 reviews | |||
| PriceFrom $622 | Free Cancellation | Rating 8.2 443 reviews | |||
| PriceFrom $788 | Free Cancellation | Rating 8.4 1,180 reviews | |||
| PriceFrom $793 | Free Cancellation | Rating 8.3 727 reviews | |||
| PriceFrom $796 | Free Cancellation | Rating 9.1 157 reviews | |||
| PriceFrom $802 | Free Cancellation | Rating 8.4 1,062 reviews | |||
| PriceFrom $829 | Free Cancellation | Rating 8.0 7,920 reviews | |||
| PriceFrom $856 | Free Cancellation | Rating 7.4 8,685 reviews | |||
| PriceFrom $867 | Free Cancellation | Rating 8.3 853 reviews | |||
| PriceFrom $919 | Free Cancellation | Rating 7.2 10,000 reviews |
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Thailand to Seattle?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Seattle from Thailand.
Can I find flights from Thailand to Seattle with flexible booking policies on momondo?
Flights from Thailand to Seattle with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Thailand to Seattle?
momondo helps you find the best flight between Thailand and Seattle by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Thailand to Seattle right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Thailand to Seattle now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Seattle and let you know when they change.