Cheap flights from Bangkok Suvarnabhumi to Seattle / Tacoma International

Compare Bangkok Suvarnabhumi to Seattle / Tacoma International flight deals

Find the cheapest month or even day of the year to fly to Seattle / Tacoma International

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Flight deals from Bangkok Suvarnabhumi to Seattle / Tacoma International

Looking for a cheap last-minute deal or the best round-trip flight from Bangkok Suvarnabhumi to Seattle / Tacoma International? Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Bangkok Suvarnabhumi to Seattle / Tacoma International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Bangkok Suvarnabhumi to Seattle / Tacoma International flights are currently cheapest in October.

Bangkok Suvarnabhumi to Seattle / Tacoma International: Alternative routes

Compare routes from Bangkok Suvarnabhumi to Seattle below. You may find an airport to fly into that's cheaper, faster, or easier than Seattle / Tacoma International.

Bangkok to Seattle: Flight information

The things to know before you go.
Cheapest flight found$637
Cheapest month to flyOctober

Finding cheap flights from Bangkok Suvarnabhumi to Seattle / Tacoma International: Frequently asked questions

The best price we found for a round-trip flight from Bangkok Suvarnabhumi to Seattle / Tacoma International is $637. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Bangkok Suvarnabhumi to Seattle / Tacoma International. But we found flights with one or more stops from $637.
There are no flights flying from Bangkok Suvarnabhumi to Seattle / Tacoma International, as of October 2025.
The cheapest month to fly from Bangkok Suvarnabhumi to Seattle / Tacoma International is usually October.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Bangkok Suvarnabhumi Airport to Seattle / Tacoma International Airport on Tuesday, October 14, 2025.
No airlines currently offer direct flights between Bangkok Suvarnabhumi Airport and Seattle / Tacoma International Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Seattle / Tacoma International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Seattle is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Philippine Airlines offers the cheapest flight tickets to Seattle / Tacoma International.

Traveling from Suvarnabhumi Airport (BKK) to Seattle-Tacoma International Airport (SEA): what you need to know

  • The timezone in Seattle is UTC-7, which is 14 hours behind Bangkok.

  • Give yourself enough time to catch your BKK to SEA flight. Generally, it's best to arrive two hours before international departures and an hour ahead for domestic flights.

  • During popular months like July, it's best to get to the airport earlier than usual. Plan to arrive two hours before domestic departures and four hours ahead for an international flight whenever you're traveling during peak periods in general.

  • We make it simple to book a flight with a stopover. To see your options for tickets from Suvarnabhumi Airport to Seattle-Tacoma International Airport, uncheck 'Direct flights only.' Then, pick a flight that has a stop long enough to explore the city of your choice. Stopovers between BKK and SEA include:

    • Vancouver International Airport

    • Taiwan Taoyuan International Airport

    • Narita International Airport

How to find the cheapest flights from Suvarnabhumi Airport (BKK) to Seattle-Tacoma International Airport (SEA)

  • The cheapest price we've seen for a one-way Suvarnabhumi Airport to Seattle-Tacoma International Airport flight is $391. A return plane ticket right now is $637. Depending on the availability and when you book, these fares can change.

  • To pick up cheap tickets from BKK to SEA, book early. Airlines tend to offer lower prices when flights are first made available.

  • If you're flexible with your travel dates, try using the 'Whole month' search function. It'll give you the cheapest price across every month when searching for your flight from Suvarnabhumi Airport to Seattle-Tacoma International Airport.

  • Save time searching for cheap flights from BKK to SEA by creating a Price Alert. You'll receive an email or notification on the app when a lower fare becomes available.

  • Pick your preferred arrival and departure times, airlines and number of stops with the filters. Or sort your results by 'Cheapest' to find the best deals on flights from Suvarnabhumi Airport to Seattle-Tacoma International Airport.

Handy information about Suvarnabhumi Airport (BKK)

  • When it comes to Suvarnabhumi Airport's on-time performance, 67.87% of flights complete their journey on time.

  • Central Bangkok to Suvarnabhumi Airport is approximately 32 kilometers. Depending on traffic, it'll take about 35 minutes to get there if you're driving, ride-sharing or catching a cab.

  • Expect a journey time of about 1 hour 5 minutes on public transport.

  • Taking an early flight from Suvarnabhumi Airport to Seattle-Tacoma International Airport? Avoid the last-minute rush to the terminal (and catch some extra z's) by picking one of these hotels close to BKK:

Arriving at Seattle-Tacoma International Airport (SEA)

Getting from Seattle-Tacoma International Airport (SEA) to central Seattle

  • Seattle-Tacoma International Airport is approximately 23 kilometers from the center of Seattle. The drive time takes about 20 minutes.

  • If you're traveling on public transport, expect a journey of about 55 minutes.

When to fly to Seattle-Tacoma International Airport (SEA)

  • The quietest month for a flight from Suvarnabhumi Airport to Seattle-Tacoma International Airport is May, while July is the busiest. Pick the best time to visit Seattle based on whether you prefer a more fast-paced or easygoing experience.

  • The warmest month in Seattle is August, with temperatures ranging between 12ºC (54ºF) and 28ºC (82ºF). Book your flights from Suvarnabhumi Airport to Seattle-Tacoma International Airport in this month if this is the type of weather you like.

  • February has average temperatures of between -1ºC (30ºF) and 11ºC (52ºF). Search for cheap tickets from BKK to SEA sometime then if you want to travel in cooler conditions.

Explore more of United States

  • You've done Seattle, now it's time to discover other corners of United States. Travel about 241 kilometers south to Portland to tick off its top attractions. From Pioneer Courthouse Square to Portland Japanese Garden and Pittock Mansion, you'll have a full itinerary ahead.

  • Around 370 kilometers east of Seattle, Spokane is another favorite stop in United States. Experience major highlights starting with Manito Park, Northwest Museum of Arts & Culture and Spokane Falls.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.