฿14,090 Cheap Flights from Bangkok (BKK) to Seattle (SEA)

View ฿14,090 flight on Sun, 18 Jan 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 and start at ฿14,090 for one-way flights and ฿21,080 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hainan Airlines
Sat, 21 Mar - Tue, 7 Apr
BKK
Bangkok
SEA
Seattle
฿21,080 Return, found 3 days ago
฿21,080
Return
found 3 days ago
Select Hainan Airlines flight, departing Sat, 21 Mar from Bangkok to Seattle, returning Tue, 7 Apr, priced at ฿21,080 found 3 days ago
Asiana Airlines
Fri, 30 Jan - Tue, 3 Feb
BKK
Bangkok
SEA
Seattle
฿21,860 Return, just found
฿21,860
Return
just found
Select Asiana Airlines flight, departing Fri, 30 Jan from Bangkok to Seattle, returning Tue, 3 Feb, priced at ฿21,860 just found
Philippine Airlines
Sun, 18 Jan - Fri, 23 Jan
BKK
Bangkok
SEA
Seattle
฿22,570 Return, found 1 day ago
฿22,570
Return
found 1 day ago
Select Philippine Airlines flight, departing Sun, 18 Jan from Bangkok to Seattle, returning Fri, 23 Jan, priced at ฿22,570 found 1 day ago
Cathay Pacific
Sat, 4 Apr - Sat, 18 Apr
BKK
Bangkok
SEA
Seattle
฿23,720 Return, just found
฿23,720
Return
just found
Select Cathay Pacific flight, departing Sat, 4 Apr from Bangkok to Seattle, returning Sat, 18 Apr, priced at ฿23,720 just found
STARLUX Airlines
Tue, 20 Jan - Tue, 27 Jan
BKK
Bangkok
SEA
Seattle
฿24,057 Return, just found
฿24,057
Return
just found
Select STARLUX Airlines flight, departing Tue, 20 Jan from Bangkok to Seattle, returning Tue, 27 Jan, priced at ฿24,057 just found
United
Mon, 11 May - Mon, 25 May
BKK
Bangkok
SEA
Seattle
฿24,830 Return, found 6 hours ago
฿24,830
Return
found 6 hours ago
Select United flight, departing Mon, 11 May from Bangkok to Seattle, returning Mon, 25 May, priced at ฿24,830 found 6 hours ago
Japan Airlines
Tue, 20 Jan - Wed, 28 Jan
BKK
Bangkok
SEA
Seattle
฿25,700 Return, found 8 hours ago
฿25,700
Return
found 8 hours ago
Select Japan Airlines flight, departing Tue, 20 Jan from Bangkok to Seattle, returning Wed, 28 Jan, priced at ฿25,700 found 8 hours ago
EVA Airways
Tue, 20 Jan - Tue, 27 Jan
BKK
Bangkok
SEA
Seattle
฿25,835 Return, just found
฿25,835
Return
just found
Select EVA Airways flight, departing Tue, 20 Jan from Bangkok to Seattle, returning Tue, 27 Jan, priced at ฿25,835 just found
All Nippon Airways
Mon, 11 May - Mon, 25 May
BKK
Bangkok
SEA
Seattle
฿25,850 Return, found 6 hours ago
฿25,850
Return
found 6 hours ago
Select All Nippon Airways flight, departing Mon, 11 May from Bangkok to Seattle, returning Mon, 25 May, priced at ฿25,850 found 6 hours ago
China Airlines
Mon, 13 Apr - Mon, 20 Apr
BKK
Bangkok
SEA
Seattle
฿26,085 Return, found 2 hours ago
฿26,085
Return
found 2 hours ago
Select China Airlines flight, departing Mon, 13 Apr from Bangkok to Seattle, returning Mon, 20 Apr, priced at ฿26,085 found 2 hours ago

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

September is typically the cheapest month to fly

From ฿19,848 - ฿26,363 per traveller.

Alternative airports near Seattle

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Seattle - Tacoma Intl. SEA. Cheapest option available. Average driving time to city centre is 20 minutes. Flights from ฿28,160
SEA
Seattle - Tacoma Intl.
Cheapest
Average driving time to city centre20 min
Flights from ฿28,160

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 ฿21,080. 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.

Travel 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, Condor, Delta, EVA Airways, Emirates, Japan Airlines, KLM, Korean Air, Philippine Airlines, Qatar Airways, Singapore Airlines, Thai Airways International, Turkish Airlines, United
Return price
฿21,080
Distance
11917 km

Book with confidence

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 ฿14,090 and roundtrip prices from ฿21,080. 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.
Perfect flights from Bangkok to Seattle
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