฿13,535 Cheap Flights from Bangkok (BKK) to Seattle (SEA)

View ฿13,535 flight on Wed, 1 Oct 2025Opens in a new window

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

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 40% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

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

Prices were available within the past 7 days and start at ฿13,535 for one-way flights and ฿21,155 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Korean Air
Wed, 1 Oct - Mon, 20 Oct
BKK
Bangkok
SEA
Seattle
฿21,155 Return, found 7 hours ago
฿21,155
Return
found 7 hours ago
Select Korean Air flight, departing Wed, 1 Oct from Bangkok to Seattle, returning Mon, 20 Oct, priced at ฿21,155 found 7 hours ago
Philippine Airlines
Thu, 6 Nov - Fri, 21 Nov
BKK
Bangkok
SEA
Seattle
฿21,735 Return, just found
฿21,735
Return
just found
Select Philippine Airlines flight, departing Thu, 6 Nov from Bangkok to Seattle, returning Fri, 21 Nov, priced at ฿21,735 just found
STARLUX Airlines
Wed, 17 Sep - Sun, 28 Sep
BKK
Bangkok
SEA
Seattle
฿26,179 Return, found 6 days ago
฿26,179
Return
found 6 days ago
Select STARLUX Airlines flight, departing Wed, 17 Sep from Bangkok to Seattle, returning Sun, 28 Sep, priced at ฿26,179 found 6 days ago
Korean Air
Thu, 26 Mar - Wed, 27 May
BKK
Bangkok
SEA
Seattle
฿26,265 Return, just found
฿26,265
Return
just found
Select Korean Air flight, departing Thu, 26 Mar from Bangkok to Seattle, returning Wed, 27 May, priced at ฿26,265 just found
Asiana Airlines
Sun, 26 Oct - Mon, 27 Oct
BKK
Bangkok
SEA
Seattle
฿26,315 Return, found 18 hours ago
฿26,315
Return
found 18 hours ago
Select Asiana Airlines flight, departing Sun, 26 Oct from Bangkok to Seattle, returning Mon, 27 Oct, priced at ฿26,315 found 18 hours ago
Air Canada
Tue, 24 Feb - Thu, 5 Mar
BKK
Bangkok
SEA
Seattle
฿26,640 Return, found 9 hours ago
฿26,640
Return
found 9 hours ago
Select Air Canada flight, departing Tue, 24 Feb from Bangkok to Seattle, returning Thu, 5 Mar, priced at ฿26,640 found 9 hours ago
Delta
Fri, 19 Sep - Fri, 26 Sep
BKK
Bangkok
SEA
Seattle
฿27,010 Return, just found
฿27,010
Return
just found
Select Delta flight, departing Fri, 19 Sep from Bangkok to Seattle, returning Fri, 26 Sep, priced at ฿27,010 just found
Singapore Airlines
Sat, 24 Jan - Sat, 31 Jan
BKK
Bangkok
SEA
Seattle
฿28,330 Return, found 14 hours ago
฿28,330
Return
found 14 hours ago
Select Singapore Airlines flight, departing Sat, 24 Jan from Bangkok to Seattle, returning Sat, 31 Jan, priced at ฿28,330 found 14 hours ago
EVA Airways
Thu, 2 Apr - Thu, 23 Apr
BKK
Bangkok
SEA
Seattle
฿28,685 Return, just found
฿28,685
Return
just found
Select EVA Airways flight, departing Thu, 2 Apr from Bangkok to Seattle, returning Thu, 23 Apr, priced at ฿28,685 just found
China Airlines
Sun, 5 Oct - Sun, 19 Oct
BKK
Bangkok
SEA
Seattle
฿28,815 Return, found 1 hour ago
฿28,815
Return
found 1 hour ago
Select China Airlines flight, departing Sun, 5 Oct from Bangkok to Seattle, returning Sun, 19 Oct, priced at ฿28,815 found 1 hour ago

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

May is typically the cheapest month to fly

From ฿18,874 - ฿30,318 per traveller.

Graph displaying average flight prices per month

Flight from Bangkok to Seattle route information
Origin airport
Suvarnabhumi Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Air Canada, Air France, All Nippon Airways, American Airlines, Asiana Airlines, Cathay Pacific, China Airlines, Delta, EVA Airways, Emirates, Japan Airlines, KLM, Korean Air, Philippine Airlines, Qatar Airways, Singapore Airlines, Thai Airways International, Turkish Airlines, United
Return price
฿21,155
Distance
11917 km

Perfect flights from Bangkok to Seattle

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Bangkok to Seattle. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Suvarnabhumi Intl. to Seattle - Tacoma Intl. ticket options cater to your travel preferences, with incredible one-way fares from ฿13,535 and roundtrip prices from ฿21,155. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Seattle - Tacoma Intl. and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in Seattle.

Frequently asked questions

How much is a flight from Bangkok Airport to Seattle - Tacoma Intl. Airport (SEA)?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price quoted for a round-trip flight between Suvarnabhumi Airport and Sea-Tac Airport was ฿21,155. Cheap tickets don't hang around, so make sure you book yours ASAP. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from BKK to SEA?
We get that your situation can change unexpectedly, so we've made it as easy as possible for you to cancel your trip online. Just head to the Customer Service Portal and follow the instructions.
How do I find cheap flights from Suvarnabhumi Airport to SEA that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Bangkok Airport to Seattle - Tacoma Intl. Airport (SEA) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Suvarnabhumi Intl. Airport (BKK) to SEA?
You'll have 12,000 kilometres to cover on the long-haul Bang Phli to SeaTac route. Dress in comfy clothes and consider taking a sleep mask and earplugs.
Which airlines fly direct from BKK to SEA?
Direct flights aren't available, so you'll need to make at least one stop between Suvarnabhumi Intl. Airport (BKK) and Seattle - Tacoma Intl. Airport (SEA). Use the layover time to stretch your legs and freshen up.
Are Suvarnabhumi Airport to Seattle - Tacoma Intl. Airport (SEA) flight tickets cheaper when they're purchased at the last minute?
Flight prices change all the time, so it's no sure thing. While last-minute deals between Suvarnabhumi Intl. Airport (BKK) and Sea-Tac Airport are possible, it also makes sense to keep track of prices well before you fly. In fact, some air carriers announce their prices up to 12 months before the departure date. Expedia is constantly updating the best airfare bargains around, so keep checking and be ready to book when prices drop.

Explore a world of travel with Expedia

Seattle Airports

Seattle Paine Field Intl. Airport

Bangkok to Seattle Paine Field Intl. Airport
฿34,795.00
*Available to Expedia members.