Cheap flights from Bangkok to Seattle from $391
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Bangkok to Seattle departing on 5/18. 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 Bangkok 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 typical price of a round-trip flight between Bangkok and Seattle?
What is the cheapest month to fly to Seattle?
In general, November is the cheapest month to fly from Bangkok 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 Bangkok, 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 Bangkok 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 Bangkok 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 Bangkok 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 Bangkok when booking 25 weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $945 when searching 25 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Bangkok for as low as $753 on momondo.
What is the cheapest airline that flies from Bangkok to Seattle/Tacoma Intl?
Philippine Airlines, China Airlines, and STARLUX Airlines are the most popular carriers operating from Bangkok to Seattle/Tacoma Intl
What airlines fly to Seattle?
Philippine Airlines, EVA Air and ANA are the top three most popular airlines that fly to Seattle from Bangkok according to our data. Philippine Airlines is the first choice among our users, with 35% 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 Bangkok to Seattle flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Bangkok to Seattle
How far is Bangkok to Seattle/Tacoma Intl by plane?
A flight from Bangkok to Seattle/Tacoma Intl will travel around 7436.9 mi. 16h 00m is a normal flight duration for this route.
When did momondo last update prices for flights from Bangkok to Seattle/Tacoma Intl Airport?
Prices for flights from Bangkok to Seattle/Tacoma Intl Airport were last updated today.
How many operators does momondo search for flights from Bangkok to Seattle/Tacoma Intl Airport?
The number of operators available for flights from Bangkok to Seattle/Tacoma Intl Airport is 11 as of May 2025.
How old do you have to be to fly from Bangkok to Seattle/Tacoma Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Bangkok to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The travel and health documents you'll need for your trip to Seattle/Tacoma Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
Best airlines flying from Bangkok to Seattle
Compare and see reviews for airlines that fly from Bangkok to Seattle with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $551 | Free Cancellation | Rating 7.2 857 reviews | |||
| PriceFrom $649 | Free Cancellation | Rating 8.2 442 reviews | |||
| PriceFrom $793 | Free Cancellation | Rating 8.3 732 reviews | |||
| PriceFrom $796 | Free Cancellation | Rating 9.1 161 reviews | |||
| PriceFrom $803 | Free Cancellation | Rating 8.4 1,069 reviews | |||
| PriceFrom $829 | Free Cancellation | Rating 8.0 7,934 reviews | |||
| PriceFrom $831 | Free Cancellation | Rating 8.4 1,186 reviews | |||
| PriceFrom $856 | Free Cancellation | Rating 7.4 8,696 reviews | |||
| PriceFrom $867 | Free Cancellation | Rating 8.3 852 reviews | |||
| PriceFrom $922 | Free Cancellation | Rating 8.3 1,464 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 Bangkok to Seattle?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Bangkok to Seattle. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Bangkok to Seattle with flexible booking policies on momondo?
momondo does allow users to show only those flights to Seattle from Bangkok which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Bangkok to Seattle?
Once you have performed a search for Bangkok to Seattle flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Bangkok to Seattle right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Bangkok 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.