CA $444 Cheap Flights from Seattle (SEA) to Bangkok (BKK)

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

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

Prices were available within the past 7 days and start at CA $444 for one-way flights and CA $887 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Philippine Airlines
Asiana Airlines
Korean Air
Delta
United
Japan Airlines
Singapore Airlines
All Nippon Airways
China Airlines
STARLUX Airlines

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

February is typically the cheapest month to fly

From CA $906 - CA $1,258 per traveller.

Graph displaying average flight prices per month

Flight from Seattle to Bangkok (SEA - BKK) route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
Suvarnabhumi Intl.
Airlines serving
Air Canada, Alaska Airlines, All Nippon Airways, American Airlines, Asiana Airlines, British Airways, Cathay Pacific, China Airlines, Condor, Delta, EVA Airways, Emirates, Japan Airlines, Korean Air, Philippine Airlines, Qatar Airways, Singapore Airlines, Thai Airways International, Turkish Airlines
Roundtrip price
CA $886
Distance
11917 km

Seattle to Bangkok Flights

The easy way to book your flights from Seattle to Bangkok 

With Expedia, it’s simple to find and book flights to Bangkok from Seattle whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Suvarnabhumi Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Seattle to Bangkok today, tomorrow, or this week.  

 

Save dollars with cheap flights from Seattle - Tacoma Intl., SEA to Suvarnabhumi Intl., BKK 

Sort your search results by price to find great deals on your flight from Seattle to Bangkok—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Bangkok from Seattle currently is just CA $887 rising to CA $1,156.  

Here are more money-saving tips: 

  • Fly in November when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Bangkok  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Bangkok from Seattle 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Bangkok with Expedia today.

Frequently asked questions

How much is a flight from Seattle - Tacoma Intl. Airport (SEA) to Suvarnabhumi Airport?
If you're travelling between SEA and Suvarnabhumi Airport, round-trip flights start from CA $887. This price is based on airfares available within the last 7 days on Expedia for flights departing within the next year, so don't wait around. Book today and save yourself both money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Seattle - Tacoma Intl. Airport (SEA) to BKK?
The majority of flights can be conveniently cancelled online, but whether you incur a fee varies between airlines. If you do have to cancel your break, follow the instructions in the Customer Service Portal.
How do I find cheap flights from Sea-Tac Airport to Suvarnabhumi Airport that have flexible change policies?
Flights from Sea-Tac Airport to Bangkok Airport with flexible change policies are available from several airlines. Simply use our "No change fees" filter while searching. You'll only need to pay the cost difference between the two flights, without any added fees to worry about.
How many hours is the flight from SEA to Bangkok Airport?
The flight time from Seattle - Tacoma Intl. Airport (SEA) to Bangkok Airport is around 18 hours and 56 minutes. It's is no small journey, so be sure to fill your hand luggage with whatever you need to be comfortable.
How far is the flight from Sea-Tac Airport to Bangkok Airport?
The distance is around 12,000 kilometres, so pack your carry-on bag with everything you need to make the long journey comfortable. Not sure what to take on board your SeaTac to Bang Phli flight? A travel pillow, earplugs and a sleep mask are among the essentials.
Which airlines fly direct from SEA to Suvarnabhumi Intl. Airport (BKK)?
Unfortunately, there are no airlines that fly direct between Sea-Tac Airport and Suvarnabhumi Airport. You'll have to book a flight with at least one stop.
Are Seattle - Tacoma Intl. Airport (SEA) to Suvarnabhumi Intl. Airport (BKK) flight tickets cheaper when they're purchased at the last minute?
It is possible to get a great last-minute deal from Seattle - Tacoma Intl. Airport (SEA) to Suvarnabhumi Airport, but there's no guarantee. As many airlines publish prices up to 12 months in advance, it's worthwhile keeping an eye on fares early and being ready to book when you spot a bargain. Expedia compares air carrier prices and updates flight deals frequently, so you can rest assured you're always getting the latest offers.

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