$489 Cheap Flights from Seattle (SEA) to Bangkok (BKK)

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Cheap Flights from Seattle - Tacoma Intl. to Suvarnabhumi Intl.

Prices were available within the past 7 days and starts at $489 for one-way flights and $752 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Singapore Airlines
Air Canada
Asiana Airlines
Cathay Pacific
American Airlines
Japan Airlines
Alaska Airlines
Qatar Airways
Singapore Airlines
All Nippon Airways
Asiana Airlines
American Airlines
EVA Airways
Air Canada
Turkish Airlines
Flight from Seattle to Bangkok route information
Origin AirportSeattle - Tacoma Intl.
Destination AirportSuvarnabhumi Intl.
Airlines ServingAir Canada, All Nippon Airways, American Airlines, Asiana Airlines, Austrian 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
Flight Price$752
Distance7448 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 $489 now!

Frequently asked questions

How much is a flight from Sea-Tac Airport to Bangkok Airport?
If you’re traveling between Seattle - Tacoma Intl. Airport (SEA) and Bangkok Airport, round-trip flights start from $752. This figure is based on fares advertised within the last 7 days on Expedia for flights departing within the next year, so don’t let a good deal slip through your fingers. Book now and save yourself 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 SEA to BKK?
The majority of flights can be canceled online, but every airline has a different set of terms and conditions. If you do decide to cancel your flight, check out our Customer Service Portal and follow the instructions.
How do I find cheap flights from Sea-Tac Airport 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-Tac Airport to BKK flights, you’ll see a “no change fees” filter for you to select.
How many hours is the flight from SEA to Suvarnabhumi Airport?
It takes around 18 hours and 25 minutes to travel from SEA (SEA) to Bangkok Airport (BKK). If you’re planning to get some sleep, bring your travel pillow, some earplugs and clothes that’ll keep you warm.
How far is the flight from Sea-Tac Airport to Suvarnabhumi Airport?
The distance is around 7,458 mi (12,000 km), so pack your carry-on luggage with whatever you need to make your journey comfortable. Wondering what to take on board your SeaTac to Bang Phli flight? A sleep mask, earplugs and a travel pillow are a few essentials.
Which airlines fly direct from Sea-Tac Airport to BKK?
Flying directly between SEA and Bangkok Airport isn’t possible at present. However, you’ll still be able to book a flight to Bang Phli with at least one stop.
Are Seattle - Tacoma Intl. Airport (SEA) to Bangkok Airport flight tickets cheaper when they're purchased at the last minute?
It is possible to get amazing last-minute deals from Sea-Tac Airport to Suvarnabhumi Intl. Airport (BKK), but it’s also possible to miss out altogether! As many airlines advertise prices up to a year in advance, it’s worth 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 often, so you can rest easy knowing you’re always seeing the latest offers.
Can I fly from Sea-Tac Airport to Suvarnabhumi Intl. Airport (BKK) right now?
To see what travel restrictions and quarantine requirements are in place for different citizens flying from Sea-Tac Airport to Suvarnabhumi Intl. Airport (BKK) please visit our COVID 19 travel advisor portal link
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