₹40,804 Cheap Flights from Seattle (SEA) to Bangkok (BKK)

The lowest price advertised for a round-trip journey from Sea-Tac Airport to Suvarnabhumi Intl. Airport (BKK) is ₹83,018. 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.

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.

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.

With around 12,000 kilometres 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.

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.

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.