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Cheap Flights from Bangkok (BKK) to Seattle (SEA)

View AU$704 flight on Sat, 24 Oct 2026Opens in a new window

Popular airlines from Suvarnabhumi International Airport (BKK) to Seattle-Tacoma International Airport (SEA)

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Cheap Flights from Bangkok (BKK) to Seattle (SEA)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Asiana Airlines
Fri, 9 Apr - Sun, 18 Apr
BKK
Bangkok
SEA
Seattle
AU$1,157 Return, just found
AU$1,157
Return
just found
Select Asiana Airlines flight, departing Fri, 9 Apr from Bangkok to Seattle, returning Sun, 18 Apr, priced at AU$1,157 just found
Delta
Wed, 9 Sept - Wed, 30 Sept
BKK
Bangkok
SEA
Seattle
AU$1,161 Return, found 3 days ago
AU$1,161
Return
found 3 days ago
Select Delta flight, departing Wed, 9 Sept from Bangkok to Seattle, returning Wed, 30 Sept, priced at AU$1,161 found 3 days ago
Korean Air
Wed, 9 Sept - Wed, 30 Sept
BKK
Bangkok
SEA
Seattle
AU$1,166 Return, found 3 days ago
AU$1,166
Return
found 3 days ago
Select Korean Air flight, departing Wed, 9 Sept from Bangkok to Seattle, returning Wed, 30 Sept, priced at AU$1,166 found 3 days ago
United
Wed, 9 Sept - Wed, 30 Sept
BKK
Bangkok
SEA
Seattle
AU$1,190 Return, found 3 days ago
AU$1,190
Return
found 3 days ago
Select United flight, departing Wed, 9 Sept from Bangkok to Seattle, returning Wed, 30 Sept, priced at AU$1,190 found 3 days ago
All Nippon Airways
Tue, 25 May - Mon, 31 May
BKK
Bangkok
SEA
Seattle
AU$1,258 Return, found 4 days ago
AU$1,258
Return
found 4 days ago
Select All Nippon Airways flight, departing Tue, 25 May from Bangkok to Seattle, returning Mon, 31 May, priced at AU$1,258 found 4 days ago
Philippine Airlines
Sun, 11 Oct - Fri, 23 Oct
BKK
Bangkok
SEA
Seattle
AU$1,261 Return, found 3 days ago
AU$1,261
Return
found 3 days ago
Select Philippine Airlines flight, departing Sun, 11 Oct from Bangkok to Seattle, returning Fri, 23 Oct, priced at AU$1,261 found 3 days ago
EVA Airways
Sat, 10 Oct - Sat, 17 Oct
BKK
Bangkok
SEA
Seattle
AU$1,285 Return, just found
AU$1,285
Return
just found
Select EVA Airways flight, departing Sat, 10 Oct from Bangkok to Seattle, returning Sat, 17 Oct, priced at AU$1,285 just found
Air Canada
Fri, 9 Apr - Sun, 18 Apr
BKK
Bangkok
SEA
Seattle
AU$1,320 Return, just found
AU$1,320
Return
just found
Select Air Canada flight, departing Fri, 9 Apr from Bangkok to Seattle, returning Sun, 18 Apr, priced at AU$1,320 just found
China Airlines
Sun, 11 Oct - Fri, 23 Oct
BKK
Bangkok
SEA
Seattle
AU$1,342 Return, found 3 days ago
AU$1,342
Return
found 3 days ago
Select China Airlines flight, departing Sun, 11 Oct from Bangkok to Seattle, returning Fri, 23 Oct, priced at AU$1,342 found 3 days ago
Qatar Airways
Wed, 9 Sept - Wed, 30 Sept
BKK
Bangkok
SEA
Seattle
AU$1,403 Return, found 3 days ago
AU$1,403
Return
found 3 days ago
Select Qatar Airways flight, departing Wed, 9 Sept from Bangkok to Seattle, returning Wed, 30 Sept, priced at AU$1,403 found 3 days ago

Find the cheapest month to fly from Bangkok (BKK) to Seattle (SEA)

November is typically the cheapest month to fly

From AU$917 - AU$1,203 per traveller.

Frequently asked questions

How much does a flight from Bangkok (BKK-Suvarnabhumi Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) cost?
You can find one-way and return flights from BKK to SEA with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when BKK to SEA ticket fares go up or down.
What is the cheapest month to fly from Bangkok (BKK) to Seattle, WA (SEA)?
The cheapest months to fly from Bangkok (BKK) to Seattle, WA (SEA) are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Bangkok (BKK) to Seattle, WA (SEA)?
Enter BKK to SEA and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Bangkok (BKK-Suvarnabhumi Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Philippine Airlines is one of the cheapest airlines offering connecting return flights from Bangkok (BKK-Suvarnabhumi Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.), with tickets starting from around AU$1234 for flights that can be booked for departure within the next year. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from Bangkok (BKK) to Seattle, WA (SEA)?
To find a cheap flight from Bangkok (BKK) to Seattle, WA (SEA), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Bangkok (BKK) to Seattle, WA (SEA)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Bangkok (BKK-Suvarnabhumi Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
There are approximately 89 connecting flights per day from Bangkok (BKK-Suvarnabhumi Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.). Some common connection points include Taoyuan Intl. (TPE), Hong Kong Intl. (HKG), and Incheon Intl. (ICN).
What is the earliest flight from Bangkok (BKK-Suvarnabhumi Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The earliest flight from Bangkok (BKK-Suvarnabhumi Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) typically departs around 12:10 AM. This service is offered by Scoot and Singapore Airlines. This is a seasonal service, active in August, September, and October. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Bangkok (BKK-Suvarnabhumi Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
You'll typically find the most flights from Bangkok (BKK-Suvarnabhumi Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) on a Thursday, with around 75 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include Korean Air, Thai Airways International, and Emirates. Flight schedules are quite consistent throughout the week, so you'll have plenty of options no matter which day you choose to fly.
What are the most popular departure times for flights from Bangkok (BKK-Suvarnabhumi Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The most popular departure times for flights from Bangkok (BKK-Suvarnabhumi Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) are in the morning, from 6am to 9am. Many major carriers, including Japan Airlines, Cathay Pacific and All Nippon Airways, offer flights during this window. Many travellers prefer this time because it allows for an early start to their journey, getting them to their destination with plenty of time left in the day.
How long does it take to fly from Bangkok (BKK-Suvarnabhumi Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
There are no nonstop flights from Bangkok (BKK-Suvarnabhumi Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.). The journey covers a distance of approximately 12,004 kilometres. Flights with one stop typically take around 17 hours, while flights with two or more stops usually take about 23 hours. Keep in mind that these are average travel times, and the actual duration can vary depending on the specific routing, layover times, and factors like wind patterns.
Can you fly business or first class from Bangkok (BKK-Suvarnabhumi Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Yes, you can fly business class or first class between BKK and SEA.Airlines that offer business class service on this route include:
  • Korean Air
  • Thai Airways International
  • KLM
  • Shanghai Airlines
  • Malaysia Airlines
  • Air France
  • Lufthansa
  • Oman Air
  • Philippine Airlines
  • Turkish Airlines
  • Hong Kong Airlines
  • Asiana Airlines
  • Alaska Airlines
  • Air Canada
  • Cathay Pacific
  • Air Macau Company
  • China Eastern Airlines
  • Air Japan Company
  • All Nippon Airways
  • Austrian Airlines
  • United
  • Emirates
  • Qatar Airways
  • EVA Airways
  • Finnair
  • Vietnam Airlines
  • flydubai
  • Condor
  • Air China
  • Japan Airlines
  • Singapore Airlines
  • Air India
  • China Airlines
  • Hainan Airlines
  • Malindo Air
  • Starlux Airlines

First class cabins are available on Emirates, Japan Airlines, and Starlux Airlines.
How do I earn miles on a Bangkok (BKK-Suvarnabhumi Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight with Expedia?
It's easy to earn miles on a Bangkok (BKK-Suvarnabhumi Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Seattle, WA (SEA) from Bangkok (BKK)?
If you're planning to travel to Seattle from Suvarnabhumi Intl. (BKK), you can fly directly into Seattle - Tacoma Intl. (SEA). Some flights may connect through major hubs like Hong Kong Intl. (HKG), Dubai Intl. (DXB), or Narita Intl. (NRT) before reaching Seattle. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Bangkok (BKK-Suvarnabhumi Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) at the last minute?
Typically, booking a last minute flight from Bangkok (BKK-Suvarnabhumi Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Bangkok (BKK-Suvarnabhumi Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight and hotel package?
Securing a Bangkok (BKK-Suvarnabhumi Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Bangkok (BKK) to Seattle, WA (SEA)?
If you booked your Bangkok (BKK) to Seattle, WA (SEA) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Suvarnabhumi Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Air Canada, All Nippon Airways, Asiana Airlines, Cathay Pacific, Delta, EVA Airways, Emirates, Hainan Airlines, Korean Air, Lufthansa, Qatar Airways, Singapore Airlines, Turkish Airlines, United
Return price
AU$1,157
Distance
11917 km

Book with confidence

Your quick guide to flights from Bangkok to Seattle

Pick up great flights from Bangkok to Seattle

With Expedia, you have your pick of flights a day with 20 airlines covering flights from Bangkok to Seattle. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Bangkok to Seattle that take around hours.

Find cheap flights from Bangkok to Seattle

From the great flight deals with prices currently ranging from AU$1,157 to AU$1,403, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Bangkok to Seattle around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Seattle is normally in April.

Reasons to book your flight from Bangkok to Seattle with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Bangkok to Seattle across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Seattle right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Your quick guide to flights from Bangkok to Seattle

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*Available to Expedia members.