Q: How much does it cost for a return flight from Bangkok to Seattle?

Airfare is below average for this route at the moment. Bangkok to Seattle flights typically cost between ฿30,472 and ฿37,207 in October. The cheapest return flight price found within the last 3 days was ฿18,846 on Philippine Airlines (9 Oct-12 Nov). Find deals

Question 1

How much does it cost for a return flight from Bangkok to Seattle?

Accepted Answer

Airfare is below average for this route at the moment.Bangkok to Seattle flights typically cost between ฿30,472 and ฿37,207 in October.
The cheapest return flight price found within the last 3 days was ฿18,846 on Philippine Airlines (9 Oct-12 Nov). Find deals

Question 2

What are the cheapest airlines flying from Bangkok to Seattle round-trip?

Accepted Answer

According to our current data, Philippine Airlines (฿19,635), Asiana Airlines (฿22,223), and STARLUX Airlines (฿23,903) offers the cheapest pricing from Bangkok to Seattle. Philippine Airlines is priced at 33% lower than the current average price of a flight leaving 3 months from now. Find deals

Question 3

How far ahead should I book a flight from Bangkok to Seattle?

Accepted Answer

The best time to book flights from Bangkok to Seattle is 40 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight. Find deals

Question 4

What is the cheapest day to fly from Bangkok to Seattle?

Accepted Answer

Travellers seeking maximum savings on their Bangkok to Seattle flight should consider departing on Wednesday at midday when fares are most often at their lowest. Wednesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time. Find deals

Question 5

E

Accepted Answer

In terms of precipitation, rainfall in Seattle ranges from 18.0 - 168.0 inches per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit Seattle when rainfall is around 18.0 mm.

Question 6

E

Accepted Answer

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

Question 7

What are the most popular airlines that fly from Bangkok to Seattle?

Accepted Answer

EVA Air, China Airlines and STARLUX Airlines are the most popular airlines when flying from Bangkok to Seattle.

Question 8

What is the cheapest day to fly return from Bangkok to Seattle?

Accepted Answer

Friday flights are found to be more expensive to fly from Bangkok to Seattle. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Seattle.

Question 9

How far in advance should I book a flight from Bangkok to Seattle?

Accepted Answer

Users have found that booking a flight from Bangkok to Seattle at least 41 days early can save you up to 18% on average compared to booking a flight this week. If booking 41 days before your flight isn’t an option for you, users have found flights from Bangkok to Seattle for as little as ฿22,667 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as ฿28,852 for flights departing within the next 3 days.

Question 10

What is the cheapest month to fly from Bangkok to Seattle?

Accepted Answer

The best pricing can be found in the month of February. Prices to Seattle from Bangkok average ฿29,373. You can even find prices in February for less than ฿29,373, as users have found deals to Seattle from as low as ฿18,782. The month of July appears to be one of the more expensive times to travel to Seattle from Bangkok. Flying in the targeted month can save you up to 21%.

Question 11

What is the cheapest time of day to fly from BKK to SEA?

Accepted Answer

When flying from Bangkok to Seattle, the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 29% versus a flight in the afternoon.

Question 12

What airport do you fly into for flights to Seattle from Bangkok?

Accepted Answer

Located just 18.4 km from the city centre, Seattle/Tacoma Intl is the airport most travellers will use when flying to Seattle from Bangkok. Booking flights from Bangkok to Seattle/Tacoma Intl (SEA) should be relatively easy as there are 0 daily inbound flights from Bangkok from 6 different airlines.

Question 13

Can I find deals for flights from Bangkok to Seattle that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Bangkok to Seattle flights, Cheapflights offers holiday packages that include both flights and hotel.

Question 14

How can I find direct flights from Bangkok to Seattle?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Bangkok to Seattle.

Question 15

Can I find deals for business class flights from Bangkok to Seattle?

Accepted Answer

Yes. Cheapflights offers flight deals from Bangkok to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Question 16

How does Cheapflights help users find flights from Bangkok to Seattle?

Accepted Answer

Deals for Bangkok to Seattle flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Question 17

Why should you use Cheapflights to find cheap flight tickets from Bangkok to Seattle?

Accepted Answer

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Bangkok to Seattle.

Question 18

Can Cheapflights find flights from Bangkok to Seattle with no change fees?

Accepted Answer

Yes, we can. To see specific flights from Bangkok to Seattle with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Question 19

Can Cheapflights notify me if prices for flights from Bangkok to Seattle become cheaper?

Accepted Answer

Not ready to book yet? You can track prices for flights from Bangkok to Seattle on Cheapflights with our Price Alert feature and get notified when better prices are available.

Round-trip from	฿18,846
One-way from	฿13,957
Popular in	July
Cheapest in	February
Average price	฿34,616

Airline	Cheapest	Average	Flexibility	On-time
Philippine Airlines	Cheapest฿19,635	Average฿22,135	FlexibilityNo cancel fee	On-time60%	Search Philippine Airlines flights
Asiana Airlines	Cheapest฿22,223	Average฿24,006	FlexibilityNo cancel fee	On-time76%	Search Asiana Airlines flights
STARLUX Airlines	Cheapest฿23,903	Average฿27,930	FlexibilityNo cancel fee	On-timeN/A	Search STARLUX Airlines flights
China Airlines	Cheapest฿24,204	Average฿28,508	FlexibilityNo cancel fee	On-time70%	Search China Airlines flights
Korean Air	Cheapest฿26,065	Average฿31,762	FlexibilityNo cancel fee	On-time81%	Search Korean Air flights
EVA Air	Cheapest฿26,403	Average฿29,986	FlexibilityNo cancel fee	On-time74%	Search EVA Air flights

Cheap flights from Bangkok to Seattle from ฿13,957

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Bangkok to Seattle/Tacoma Intl are usually found in February or November, booked 40 days in advance, depart on a Monday or Thursday and return on a Tuesday

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Find flight deals from Bangkok to Seattle

Cheapest flights from Bangkok to SeattleExplore the most affordable flight options available from Bangkok to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 August 2025.

Explore the most affordable flight options available from Bangkok to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 August 2025.

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Use the filters below to find and compare flights from Bangkok to Seattle that are best for you.

Best time to book a flight from Bangkok to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Bangkok with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Bangkok to Seattle

How far ahead should I book a flight from Bangkok to Seattle?

Use this chart to determine the optimal time to book a return flight from Bangkok to Seattle. Price data was last updated on 8 August 2025.

What is the cheapest time of day to fly from BKK to SEA?

Find hourly flight availability from Bangkok to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 15 August 2025.

What is the cheapest day to fly from Bangkok to Seattle?

Use this chart to determine the cheapest time to fly return from Bangkok to Seattle. Price data was last updated on 16 December 2024.

How much does it cost for a return flight from Bangkok to Seattle?

Reviews of airlines servicing Seattle

Read through reviews of airlines operating flights from Bangkok to Seattle, such as STARLUX Airlines, EVA Air, andKorean Air. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Bangkok to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Seattle from Bangkok?

What are the cheapest airlines flying from Bangkok to Seattle round-trip?

Can I find deals for flights from Bangkok to Seattle that include hotel bookings?

How can I find direct flights from Bangkok to Seattle?

Can I find deals for business class flights from Bangkok to Seattle?

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Alternative routes for Bangkok to Seattle

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Top 6 airlines flying from Bangkok to Seattle

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How does Cheapflights help users find flights from Bangkok to Seattle?

Why should you use Cheapflights to find cheap flight tickets from Bangkok to Seattle?

Can Cheapflights find flights from Bangkok to Seattle with no change fees?

Can Cheapflights notify me if prices for flights from Bangkok to Seattle become cheaper?

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Cheapest flights from Bangkok to Seattle
Explore the most affordable flight options available from Bangkok to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 August 2025.