Cheap Flights from Bangkok to Seattle / Tacoma International

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Flight deals from Bangkok to Seattle / Tacoma International

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

Find the cheapest month to fly from Bangkok 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 to Seattle / Tacoma International flights are currently cheapest in October.

Bangkok to Seattle / Tacoma International: Alternative routes

Compare routes from Bangkok 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 found545 €
Cheapest month to flyOctober

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

The best price we found for a return flight from Bangkok to Seattle / Tacoma International is 545 €. 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 to Seattle / Tacoma International. But we found flights with one stop from 545 €.
As of June 2025, there are no flights flying from Bangkok to Seattle / Tacoma International.
The cheapest month to fly from Bangkok to Seattle / Tacoma International is usually June 2025.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Bangkok to Seattle / Tacoma International Airport on Thursday, 2 October 2025.
No airlines currently offer direct flights between Bangkok 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.
The cheapest airline that flies to Seattle / Tacoma International is Philippine Airlines .

Flying from Bangkok to Seattle-Tacoma International Airport (SEA): What you need to know

  • Get your holiday planning started by considering where you'll catch your flight from Bangkok to Seattle-Tacoma International Airport (SEA). Suvarnabhumi Airport (BKK) and Don Mueang International Airport (DMK) are the two main airports in Bangkok.

  • Seattle-Tacoma International Airport is located in Seattle. The city operates on the UTC-7 timezone and is 14 hours behind Bangkok.

  • To ensure you get on your flight from Bangkok to SEA, leave plenty of time to check in and drop off your luggage. Arriving two hours ahead of international departures and one hour before domestic flights is the general rule.

  • Travelling during a peak period like public or school holidays? Expect longer lines at check-in and security. For peace of mind, arrive up to four hours before international flights and two hours before domestic departures.

Airports in Bangkok

Suvarnabhumi Airport (BKK)

  • A stopover is the perfect opportunity to break up your journey and maybe even explore a different city. When searching for cheap flights from Bangkok to SEA leaving from Suvarnabhumi Airport (BKK), deselect the 'Direct flights only' box to get ideas for where to visit along the way. Your journey might pause in:

    • Vancouver International Airport (YVR)

    • Taiwan Taoyuan International Airport (TPE)

    • Narita International Airport (NRT)

  • BKK is about 32 kilometres from central Bangkok. If you're catching a cab, ride-sharing or driving from the centre, it'll take you 35 minutes or so to get there, depending on traffic. If you're taking public transport, expect the journey time to be around 1 hour 5 minutes.

  • Searching for a convenient hotel near Suvarnabhumi Airport? If you're catching an early flight from Bangkok to Seattle-Tacoma International Airport, these stays will have you sleeping conveniently close to check-in:

  • When it comes to the on-time performance of Suvarnabhumi Airport, 67.87% of flights arrive within the scheduled time frame.

Don Mueang International Airport (DMK)

  • Get the most out of your holiday with a stopover on your flight from Bangkok to Seattle-Tacoma International Airport. Check out these connections between Don Mueang International Airport and SEA:

    • Shanghai Pudong International Airport (PVG)

    • Ninoy Aquino International Airport (MNL)

    • Taiwan Taoyuan International Airport (TPE)

  • Using public transport, you can travel from central Bangkok to DMK in about 1 hour 5 minutes. The airport is roughly 27 kilometres away, and making the trip by car will take approximately 30 minutes.

  • Want to enjoy an extra night away before boarding your Bangkok to SEA flight? Relax in a hotel near Don Mueang International Airport before your adventure officially starts. These stays are expecting you:

  • Don Mueang International Airport has an on-time performance rate of 66.48%. This figure gives an insight into how frequently flights departing from this airport land at their destination on schedule.

About Seattle-Tacoma International Airport (SEA)

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

  • Seattle-Tacoma International Airport to the centre of Seattle is roughly 18 kilometres. If you're renting a car or getting a cab, plan in advance to make your trip as smooth as possible. Journey times will vary depending on the time of day and traffic conditions.

  • Travelling by public transport will take you around 55 minutes.

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

  • At the moment, 340 € is the best price we've found for a one-way ticket from Bangkok to Seattle-Tacoma International Airport. The cheapest price for a return flight is 545 €. Keep in mind fares may change due to demand at the time of booking.

  • To pick up cheap flights from Bangkok to SEA, book in advance. Airlines typically offer lower prices when flights are first released.

  • Cheap Bangkok to Seattle-Tacoma International Airport tickets are easier to find if you're not locked into specific dates. Use the 'Whole month' search function to compare fares across the month and then fly out on the cheapest day.

  • There's no need to search every day to find out if prices have dropped when you create a Price Alert. We'll let you know as soon as a better deal is available on plane tickets from Bangkok to SEA.

  • Tailor your flights using filters. Pick your preferred departure and arrival times, total journey duration and airlines. You can also sort the results by 'Fastest,' 'Best' or 'Cheapest' flights from Bangkok to Seattle-Tacoma International Airport.

The best time to fly from Bangkok to Seattle-Tacoma International Airport (SEA)

  • July is the busiest month for flights from Bangkok to Seattle-Tacoma International Airport (SEA). Plan your visit to Seattle in May if you'd rather be there when it's quieter.

  • When booking your Bangkok to SEA plane ticket, consider what kind of weather works for you. August is the warmest month in Seattle, with temperatures ranging from 12ºC (54ºF) to 28ºC (82ºF).

  • If you want to travel in cooler conditions, look for a cheap ticket from Bangkok to Seattle-Tacoma International Airport in February when temperatures are between -1ºC (30ºF) and 11ºC (52ºF).

More about Seattle

  • After booking your flight from Bangkok to Seattle-Tacoma International Airport, find a hotel that offers a good mix of location and comfort. Make one of these options your base for exploring Seattle:

  • There are so many things to explore in this city, it can be tricky to work out where to begin. Pike Place Market, Space Needle and Seattle Skyline are top sights which should feature on any good Seattle itinerary.

Explore more of the United States

  • Seattle has its own special appeal, but there are so many other corners of the United States waiting to be explored. About 209 kilometres south of Seattle, a visit to Portland will keep your itinerary packed. Start with popular sights like Portland Japanese Garden, Voodoo Doughnut and Great Northwest.

  • Around 209 kilometres south of Seattle, Vancouver is another essential stop in the United States. Experience major highlights starting with Vancouver Waterfront, Reconstructed HBC Fort Vancouver and Fort Vancouver National Historic Site Garden.

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