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

View AU$740 flight on Wed, 13 May 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.

Korean Air
Fri, 4 Sept - Wed, 9 Sept
BKK
Bangkok
SEA
Seattle
AU$993 Return, just found
AU$993
Return
just found
Select Korean Air flight, departing Fri, 4 Sept from Bangkok to Seattle, returning Wed, 9 Sept, priced at AU$993 just found
Delta
Fri, 4 Sept - Wed, 9 Sept
BKK
Bangkok
SEA
Seattle
AU$1,141 Return, just found
AU$1,141
Return
just found
Select Delta flight, departing Fri, 4 Sept from Bangkok to Seattle, returning Wed, 9 Sept, priced at AU$1,141 just found
Korean Air
Wed, 9 Sept - Wed, 16 Sept
BKK
Bangkok
SEA
Seattle
AU$1,147 Return, found 1 day ago
AU$1,147
Return
found 1 day ago
Select Korean Air flight, departing Wed, 9 Sept from Bangkok to Seattle, returning Wed, 16 Sept, priced at AU$1,147 found 1 day ago
All Nippon Airways
Fri, 4 Sept - Wed, 9 Sept
BKK
Bangkok
SEA
Seattle
AU$1,252 Return, just found
AU$1,252
Return
just found
Select All Nippon Airways flight, departing Fri, 4 Sept from Bangkok to Seattle, returning Wed, 9 Sept, priced at AU$1,252 just found
EVA Airways
Thu, 10 Sept - Fri, 25 Sept
BKK
Bangkok
SEA
Seattle
AU$1,306 Return, found 2 days ago
AU$1,306
Return
found 2 days ago
Select EVA Airways flight, departing Thu, 10 Sept from Bangkok to Seattle, returning Fri, 25 Sept, priced at AU$1,306 found 2 days ago
Asiana Airlines
Fri, 3 July - Sat, 11 July
BKK
Bangkok
SEA
Seattle
AU$1,316 Return, found 3 days ago
AU$1,316
Return
found 3 days ago
Select Asiana Airlines flight, departing Fri, 3 July from Bangkok to Seattle, returning Sat, 11 July, priced at AU$1,316 found 3 days ago
China Airlines
Thu, 10 Sept - Fri, 25 Sept
BKK
Bangkok
SEA
Seattle
AU$1,319 Return, found 2 days ago
AU$1,319
Return
found 2 days ago
Select China Airlines flight, departing Thu, 10 Sept from Bangkok to Seattle, returning Fri, 25 Sept, priced at AU$1,319 found 2 days ago
United
Wed, 9 Sept - Wed, 16 Sept
BKK
Bangkok
SEA
Seattle
AU$1,326 Return, found 1 day ago
AU$1,326
Return
found 1 day ago
Select United flight, departing Wed, 9 Sept from Bangkok to Seattle, returning Wed, 16 Sept, priced at AU$1,326 found 1 day ago
Qatar Airways
Mon, 29 June - Tue, 14 July
BKK
Bangkok
SEA
Seattle
AU$1,394 Return, found 3 days ago
AU$1,394
Return
found 3 days ago
Select Qatar Airways flight, departing Mon, 29 June from Bangkok to Seattle, returning Tue, 14 July, priced at AU$1,394 found 3 days ago
Philippine Airlines
Wed, 9 Sept - Wed, 16 Sept
BKK
Bangkok
SEA
Seattle
AU$1,404 Return, found 1 day ago
AU$1,404
Return
found 1 day ago
Select Philippine Airlines flight, departing Wed, 9 Sept from Bangkok to Seattle, returning Wed, 16 Sept, priced at AU$1,404 found 1 day ago

Frequently asked questions

How much does a flight from Bangkok (BKK-Suvarnabhumi Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) cost?
One-way flights typically cost between $1,559 and $11,268 and return flights often range between $1,559 and $11,268. 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 the cheapest fares first, and use the Price Tracking tool to receive alerts when Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.
What is the cheapest month to fly from Bangkok (BKK-Suvarnabhumi Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
November is typically the cheapest month to fly from Bangkok (BKK-Suvarnabhumi Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.), with average return fares of approximately 2221 AUD. This is about 15% lower than the average price throughout the year. November often sees lower prices as it's outside peak holiday seasons, leading to reduced demand. Other cheap months to fly from Bangkok (BKK-Suvarnabhumi Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) include September and October.
How do I find cheap flights from Bangkok (BKK-Suvarnabhumi Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
To find a cheap flight from Bangkok (BKK-Suvarnabhumi Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.), 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-Suvarnabhumi Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Based on booking data from the past year, the cheapest months to fly from Bangkok (BKK-Suvarnabhumi Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) are typically November and October, with average return flights around 2221 AUD. While these months offer the best value, the most popular times to travel, which means more flight options, are usually April and March. Since there isn't an overlap between the cheapest and most popular months, you'll need to decide if saving money or having more flight choices is your priority.
How many flights per day from Bangkok (BKK-Suvarnabhumi Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
There are approximately 134 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 at approximately 12:10 AM local time, operated by TR / SQ. 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 Wednesday, with around 83 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include TG, KE, and EK. Flight options are notably more plentiful on Wednesdays compared to other days of the week.
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 early morning, between 6am and 9am. Around 19% of passengers reckon this time window's best. Heaps of major carriers, including Japan Airlines, Cathay Pacific and Air Canada, offer flights during this window. This timing works well because it allows you to start your journey early and arrive in Seattle with plenty of time to settle in.
How long does it take to fly from Bangkok (BKK-Suvarnabhumi Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Flights from BKK to SEA with one stop typically take around 17 hours, covering approximately 7,449 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Bangkok (BKK-Suvarnabhumi Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Select the "Business class" and "First class" filters when looking for BKK to SEA flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
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 from Suvarnabhumi Intl. (BKK)?
From Suvarnabhumi Intl. (BKK), you can fly directly into Seattle - Tacoma Intl. (SEA) to reach Seattle. Some flights may connect through major hubs like Hong Kong Intl. (HKG), Dubai Intl. (DXB), 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-Suvarnabhumi Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
If you booked your Bangkok (BKK-Suvarnabhumi Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) 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, American Airlines, Asiana Airlines, Cathay Pacific, China Airlines, Condor, Delta, EVA Airways, Emirates, Japan Airlines, KLM, Korean Air, Lufthansa, Philippine Airlines, Qatar Airways, Singapore Airlines, Thai Airways International, Turkish Airlines
Return price
AU$993
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$993 to AU$1,404, 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 September.

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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