Cheap Flights from Bangkok (BKK) to Seattle (SEA) from HK$3,490~

View HK$3,490 flight on Tue, 24 Mar 2026Opens in a new window

Popular airlines from Suvarnabhumi Intl. Airport (BKK) to Seattle

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

Prices were available within the past 7 days and start at HK$3,490 for one-way flights and HK$5,643 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Philippine Airlines
Thu, 16 Jul - Sun, 2 Aug
BKK
Bangkok
SEA
Seattle
HK$5,643 Return, found 6 days ago
HK$5,643
Return
found 6 days ago
Select Philippine Airlines flight, departing Thu, 16 Jul from Bangkok to Seattle, returning Sun, 2 Aug, priced at HK$5,643 found 6 days ago
United
Mon, 18 May - Mon, 20 Jul
BKK
Bangkok
SEA
Seattle
HK$6,119 Return, found 6 days ago
HK$6,119
Return
found 6 days ago
Select United flight, departing Mon, 18 May from Bangkok to Seattle, returning Mon, 20 Jul, priced at HK$6,119 found 6 days ago
STARLUX Airlines
Mon, 18 May - Mon, 20 Jul
BKK
Bangkok
SEA
Seattle
HK$6,126 Return, found 6 days ago
HK$6,126
Return
found 6 days ago
Select STARLUX Airlines flight, departing Mon, 18 May from Bangkok to Seattle, returning Mon, 20 Jul, priced at HK$6,126 found 6 days ago
EVA Airways
Thu, 16 Jul - Sun, 2 Aug
BKK
Bangkok
SEA
Seattle
HK$6,366 Return, found 6 days ago
HK$6,366
Return
found 6 days ago
Select EVA Airways flight, departing Thu, 16 Jul from Bangkok to Seattle, returning Sun, 2 Aug, priced at HK$6,366 found 6 days ago
All Nippon Airways
Mon, 18 May - Mon, 20 Jul
BKK
Bangkok
SEA
Seattle
HK$6,371 Return, found 6 days ago
HK$6,371
Return
found 6 days ago
Select All Nippon Airways flight, departing Mon, 18 May from Bangkok to Seattle, returning Mon, 20 Jul, priced at HK$6,371 found 6 days ago
Asiana Airlines
Mon, 18 May - Mon, 20 Jul
BKK
Bangkok
SEA
Seattle
HK$6,403 Return, found 6 days ago
HK$6,403
Return
found 6 days ago
Select Asiana Airlines flight, departing Mon, 18 May from Bangkok to Seattle, returning Mon, 20 Jul, priced at HK$6,403 found 6 days ago
Air Canada
Mon, 18 May - Mon, 20 Jul
BKK
Bangkok
SEA
Seattle
HK$6,640 Return, found 6 days ago
HK$6,640
Return
found 6 days ago
Select Air Canada flight, departing Mon, 18 May from Bangkok to Seattle, returning Mon, 20 Jul, priced at HK$6,640 found 6 days ago
Delta
Mon, 18 May - Mon, 20 Jul
BKK
Bangkok
SEA
Seattle
HK$6,681 Return, found 6 days ago
HK$6,681
Return
found 6 days ago
Select Delta flight, departing Mon, 18 May from Bangkok to Seattle, returning Mon, 20 Jul, priced at HK$6,681 found 6 days ago
Korean Air
Mon, 18 May - Mon, 20 Jul
BKK
Bangkok
SEA
Seattle
HK$6,709 Return, found 6 days ago
HK$6,709
Return
found 6 days ago
Select Korean Air flight, departing Mon, 18 May from Bangkok to Seattle, returning Mon, 20 Jul, priced at HK$6,709 found 6 days ago
China Airlines
Mon, 18 May - Mon, 20 Jul
BKK
Bangkok
SEA
Seattle
HK$7,016 Return, found 6 days ago
HK$7,016
Return
found 6 days ago
Select China Airlines flight, departing Mon, 18 May from Bangkok to Seattle, returning Mon, 20 Jul, priced at HK$7,016 found 6 days ago

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

September is typically the cheapest month to fly

From HK$4,827 - HK$6,412 per traveller.

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 HK$5,643. 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 kilometers 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.
Return price
HK$5,643
Distance
11917 km

Book with confidence

Flights from Bangkok to Seattle

Book cheap flights from Bangkok (BKK) to Seattle (SEA) on Expedia.com.hk. Find the best flight deals to destinations around the world for your next leisure or business travel on Expedia.com.hk.

Search for flights from Bangkok (BKK) to Seattle (SEA) to find great flight deals suitable to your travel date and time. Expedia.com.hk flight booking search engine is simple to use and looking for cheap flights is as easy as a click of a mouse or on your mobile devices.

Be assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Bangkok (BKK) to Seattle (SEA) trip. Call us at 3077-4857 (direct number - 24 hours day for English).

Save more when combine your Seattle flight with a hotel for a package deal! Discover additional savings by booking in advance. Now you can find activities in Seattle and things to do in Seattle for your perfect vacation with Expedia Thing to Do.

If you would like to book flights to Seattle more flexibly, many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Seattle is HK$3,490 now!

 

Flights from Bangkok to Seattle

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