S$496 Cheap Flights from Bangkok to Seattle

View S$496 flight on Wed, 18 Mar, 2026Opens in a new window

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

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Cheap Flights from Bangkok to Seattle (BKK-SEA)

Prices were available within the past 7 days and start at S$496 for one-way flights and S$879 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Philippine Airlines
Wed, 20 May - Wed, 10 Jun
BKK
Bangkok
SEA
Seattle
S$879 Return, found 6 days ago
S$879
Return
found 6 days ago
Select Philippine Airlines flight, departing Wed, 20 May from Bangkok to Seattle, returning Wed, 10 Jun, priced at S$879 found 6 days ago
United
Mon, 17 Aug - Tue, 25 Aug
BKK
Bangkok
SEA
Seattle
S$1,008 Return, found 10 hours ago
S$1,008
Return
found 10 hours ago
Select United flight, departing Mon, 17 Aug from Bangkok to Seattle, returning Tue, 25 Aug, priced at S$1,008 found 10 hours ago
All Nippon Airways
Mon, 17 Aug - Tue, 25 Aug
BKK
Bangkok
SEA
Seattle
S$1,049 Return, found 10 hours ago
S$1,049
Return
found 10 hours ago
Select All Nippon Airways flight, departing Mon, 17 Aug from Bangkok to Seattle, returning Tue, 25 Aug, priced at S$1,049 found 10 hours ago
EVA Airways
Sat, 4 Apr - Wed, 15 Apr
BKK
Bangkok
SEA
Seattle
S$1,050 Return, found 1 day ago
S$1,050
Return
found 1 day ago
Select EVA Airways flight, departing Sat, 4 Apr from Bangkok to Seattle, returning Wed, 15 Apr, priced at S$1,050 found 1 day ago
Korean Air
Sat, 4 Apr - Wed, 15 Apr
BKK
Bangkok
SEA
Seattle
S$1,105 Return, found 1 day ago
S$1,105
Return
found 1 day ago
Select Korean Air flight, departing Sat, 4 Apr from Bangkok to Seattle, returning Wed, 15 Apr, priced at S$1,105 found 1 day ago
Asiana Airlines
Fri, 3 Apr - Wed, 15 Apr
BKK
Bangkok
SEA
Seattle
S$1,105 Return, found 1 day ago
S$1,105
Return
found 1 day ago
Select Asiana Airlines flight, departing Fri, 3 Apr from Bangkok to Seattle, returning Wed, 15 Apr, priced at S$1,105 found 1 day ago
China Airlines
Sat, 4 Apr - Wed, 15 Apr
BKK
Bangkok
SEA
Seattle
S$1,155 Return, found 1 day ago
S$1,155
Return
found 1 day ago
Select China Airlines flight, departing Sat, 4 Apr from Bangkok to Seattle, returning Wed, 15 Apr, priced at S$1,155 found 1 day ago
Cathay Pacific
Mon, 17 Aug - Tue, 25 Aug
BKK
Bangkok
SEA
Seattle
S$1,174 Return, found 10 hours ago
S$1,174
Return
found 10 hours ago
Select Cathay Pacific flight, departing Mon, 17 Aug from Bangkok to Seattle, returning Tue, 25 Aug, priced at S$1,174 found 10 hours ago
STARLUX Airlines
Sat, 4 Apr - Wed, 15 Apr
BKK
Bangkok
SEA
Seattle
S$1,191 Return, found 1 day ago
S$1,191
Return
found 1 day ago
Select STARLUX Airlines flight, departing Sat, 4 Apr from Bangkok to Seattle, returning Wed, 15 Apr, priced at S$1,191 found 1 day ago
Air Canada
Wed, 20 May - Wed, 10 Jun
BKK
Bangkok
SEA
Seattle
S$1,192 Return, found 6 days ago
S$1,192
Return
found 6 days ago
Select Air Canada flight, departing Wed, 20 May from Bangkok to Seattle, returning Wed, 10 Jun, priced at S$1,192 found 6 days ago

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

September is typically the cheapest month to fly

From S$806 - S$1,077 per traveller.
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
S$878
Distance
11917 km

Flights from Bangkok to Seattle

There are several airlines that operate frequent flights from Bangkok (BKK) to Seattle (SEA) including

The earliest flight leaves Suvarnabhumi Intl. Airport at 01:00 and arrives at Seattle Tacoma Intl. Airport at 06:20. The last flight of the day departs Bangkok at 17:50 and arrives at Seattle at 19:50.

The flight distance from Bangkok to Seattle is about 12262 km, the shortest flight is 15 hours 20 minutes with United Airlines."

Expedia lets you search across the largest number of airlines and Seattle flights, which means that you’ll be able to find a great flight deal at the perfect travel date and time. Our simple-to-use booking engine makes looking for terrific bargains easy and hassle-free; just enter your travel dates and departure city, and let Expedia do the rest! Adjust your travel dates and explore connecting flights to find an even better deal on your Bangkok Seattle flight!

Browse through dozens of options and rest 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 to Seattle trip. There’s simply no substitute for great prices suited to your travel needs and backed by excellent customer support.

Combine your Seattle flight with a hotel and/or car rental for a package deal designed to save you even more money! Discover additional savings by booking in advance or find a last minute deal. There are tons of ways to save on your flights from Bangkok to Seattle with Expedia. Use us as your stop travel destination and have the confidence that you’re getting a bargain!

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 S$879. 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.

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