$524 Cheap Flights from Seattle (SEA) to Bangkok (BKK)

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Cheap Flights from Seattle to Bangkok (SEA-BKK)

Prices were available within the past 7 days and start at $524 for one-way flights and $818 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Singapore Airlines
Turkish Airlines
Japan Airlines
Asiana Airlines
EVA Airways
All Nippon Airways
Alaska Airlines
Air Canada
Flights from Seattle (SEA) to Bangkok (BKK)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Suvarnabhumi Intl.
Airlines serving
Air Canada, Air France, All Nippon Airways, American Airlines, Asiana Airlines, Cathay Pacific, Delta, EVA Airways, Emirates, Finnair, Japan Airlines, KLM, Korean Air, Lufthansa, Malaysia Airlines, Qatar Airways, Singapore Airlines, Thai Airways International, Turkish Airlines, United
Roundtrip price
7448 mi

Seattle to Bangkok Flights

Whether you’re looking for a grand adventure or just want to get away for a last-minute break, flights from Seattle to Bangkok offer the perfect respite. Not only does exploring Bangkok provide the chance to make some magical memories, dip into delectable dishes, and tour the local landmarks, but the cheap airfare means you won’t bust your budget. So no matter whether your ideal itinerary involves flying one way, non-stop, or round trip, you’re bound to find flights that match your schedule on Expedia, and at prices that won’t shock your wallet.

Bagging a cheap flight from Seattle to Bangkok may mean more dollars to spend on for one-of-a-kind souvenirs when you arrive, but it doesn’t mean you have to skimp on your travel experience, as Expedia offers a sizzling selection of cheap airlines that’ll put you in your happy place on their planes, whether that’s getting lost in a hair-raising airport thriller, dreaming on the passing landscape over a glass of bubbly, or jotting down your vacation bucket list at 38,000 feet. There’s also bound to be plenty of opportunities to snap a few photos of the high life that will make your friends green with envy. After all, enjoying the journey is part of the fun.

With so many affordable flights and so many wonderful adventures awaiting you, there’s no reason to put off booking a fantastic flight from to today. So don’t leave it to the last minute to make your dream trip a reality: pack your bags with your go-to travel accessories, put together your list of must-see attractions and can’t-miss activities, and get ready to broaden your horizons – with Expedia, the wonders of Bangkok are only a plane trip away. Book your travel arrangements with us today!

If you would like to book flights to Bangkok more flexibly many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Bangkok is $524 now!

Frequently asked questions

How much is a flight from Seattle - Tacoma Intl. Airport (SEA) to BKK?
The lowest price advertised for a round-trip journey from Sea-Tac Airport to Suvarnabhumi Intl. Airport (BKK) is $818. But you better move fast. This price is taken from fares available within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from SEA to Bangkok Airport?
We understand that things crop up unexpectedly, so we’ve made it as easy as possible for you to cancel your trip online. Just visit the Customer Service Portal and follow the instructions.
How do I find cheap flights from Seattle - Tacoma Intl. Airport (SEA) to BKK 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 SEA to Suvarnabhumi Airport flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from Sea-Tac Airport to Bangkok Airport?
With around 7458 mi separating SeaTac and Bang Phli, your flight will be a long one. Pack wisely and make your trip more comfortable. Little things like warm clothes and a quality travel pillow can make all the difference.
Which airlines fly direct from Sea-Tac Airport to Suvarnabhumi Airport?
Currently, no airlines offer direct flights from Sea-Tac Airport to BKK. You’ll have to book a flight with one or more stops. To get the best price and connections, lock in your airfare well ahead of time.
Are Seattle - Tacoma Intl. Airport (SEA) to Bangkok Airport flight tickets cheaper when they're purchased at the last minute?
Tickets from Sea-Tac Airport to BKK are available up to a year prior to departure on Expedia. And although you may occasionally score a great last-minute deal, it’s not something you should bank on. Also, booking your flights ahead of time means you’ll have more choices — and you can avoid getting stuck in the dreaded middle seat! We regularly update our fares to bring you the biggest bargains, so check back often for all the latest specials.
Bangkok nearby Airports
Seattle nearby Airports

Seattle Paine Field Intl. Airport

*Available for a fee on select flights. Terms apply.