Skyscanner home

Cheap Flights from Seattle / Tacoma International to Bangkok Suvarnabhumi

Compare Seattle / Tacoma International to Bangkok Suvarnabhumi flight deals

Find the cheapest month or even day of the year to fly to Bangkok Suvarnabhumi

Book the best Bangkok Suvarnabhumi fare with no extra fees

Flight deals from Seattle / Tacoma International to Bangkok Suvarnabhumi

Looking for a cheap last-minute deal or the best return flight from Seattle / Tacoma International to Bangkok Suvarnabhumi? Find the lowest prices on one-way and return tickets right here.
Bangkok.Rs89,494 per passenger.Departing Sun, 15 Feb.One-way flight with Philippine Airlines.Outbound indirect flight with Philippine Airlines, departs from Seattle / Tacoma International on Sun, 15 Feb, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From Rs89,494, select.
Bangkok.Rs89,494 per passenger.Departing Sun, 19 Apr.One-way flight with Philippine Airlines.Outbound indirect flight with Philippine Airlines, departs from Seattle / Tacoma International on Sun, 19 Apr, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From Rs89,494, select.
Bangkok.Rs89,775 per passenger.Departing Thu, 26 Mar.One-way flight with Singapore Airlines.Outbound indirect flight with Singapore Airlines, departs from Seattle / Tacoma International on Thu, 26 Mar, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From Rs89,775, select.
Bangkok.Rs90,231 per passenger.Departing Sun, 30 Aug.One-way flight with Singapore Airlines.Outbound indirect flight with Singapore Airlines, departs from Seattle / Tacoma International on Sun, 30 Aug, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From Rs90,231, select.
Bangkok.Rs90,836 per passenger.Departing Fri, 1 May.One-way flight with Singapore Airlines.Outbound indirect flight with Singapore Airlines, departs from Seattle / Tacoma International on Fri, 1 May, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From Rs90,836, select.
Bangkok.Rs96,155 per passenger.Departing Thu, 1 Oct.One-way flight with Philippine Airlines.Outbound indirect flight with Philippine Airlines, departs from Seattle / Tacoma International on Thu, 1 Oct, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From Rs96,155, select.
Bangkok.Rs96,244 per passenger.Departing Thu, 24 Sep.One-way flight with Philippine Airlines.Outbound indirect flight with Philippine Airlines, departs from Seattle / Tacoma International on Thu, 24 Sep, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From Rs96,244, select.
Bangkok.Rs104,879 per passenger.Departing Tue, 28 Jul.One-way flight with Asiana Airlines.Outbound indirect flight with Asiana Airlines, departs from Seattle / Tacoma International on Tue, 28 Jul, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From Rs104,879, select.

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

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Seattle / Tacoma International to Bangkok Suvarnabhumi flights are currently cheapest in February.
Feb
from Rs89,494
Mar
from Rs89,775
Apr
from Rs89,494
May
from Rs90,836
Jun
from Rs114,178
Jul
from Rs104,879
Aug
from Rs90,231
Sep
from Rs96,244
Oct
from Rs96,155
Nov
from Rs107,107
Dec
from Rs107,464
Jan
from Rs107,421

Seattle / Tacoma International to Bangkok Suvarnabhumi: Alternative routes

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

Don Mueang

21km from central Bangkok
Closest
from Rs105,633
Search flights

Bangkok Suvarnabhumi

29km from central Bangkok
Cheapest
from Rs89,494
Search flights

Seattle to Bangkok: Flight information

The things to know before you go.
Cheapest flight foundRs89,494
Cheapest month to flyApril

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

The best price we found for a return flight from Seattle / Tacoma International to Bangkok Suvarnabhumi is Rs163,332. 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 Seattle / Tacoma International to Bangkok Suvarnabhumi. But we found flights with one or more stops from Rs163,332.
As of February 2026, there are no flights flying from Seattle / Tacoma International to Bangkok Suvarnabhumi.
The cheapest month to fly from Seattle / Tacoma International to Bangkok Suvarnabhumi is usually May.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Seattle / Tacoma International Airport to Bangkok Suvarnabhumi Airport on Tuesday, 5 May 2026.
No airlines currently offer direct flights between Seattle / Tacoma International Airport and Bangkok Suvarnabhumi 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 Bangkok Suvarnabhumi 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 Bangkok is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Singapore Airlines offers the cheapest flight tickets to Bangkok Suvarnabhumi.

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

  • Bangkok is 14 hours ahead of Seattle and is in the UTC+7 timezone.

  • Your SEA to BKK flight won't wait if you're running late, so get to the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're flying internationally.

  • During popular months like July, it's a good idea to get to the airport earlier than usual. Arrive two hours before domestic departures and four hours ahead of an international flight when you fly during peak periods in general.

  • Think about adding a stopover when booking your ticket from Seattle-Tacoma International Airport to Suvarnabhumi Airport. Just deselect 'Direct flights only' to break up your trip, or perhaps explore a new destination along the way. Here's where you can stop between SEA and BKK:

    • Vancouver International Airport

    • Taiwan Taoyuan International Airport

    • Narita International Airport

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

  • Currently, Rs89,494 is the cheapest price we've seen for a one-way Seattle-Tacoma International Airport to Suvarnabhumi Airport flight. The best price for a return plane ticket is Rs163,332. Keep in mind that fares may change due to demand when booking.

  • To pick up cheap tickets from SEA to BKK, book as early as you can. Airlines generally offer lower fares when flights are first made available.

  • Finding cheap flights from Seattle-Tacoma International Airport to Suvarnabhumi Airport is easier if you're flexible with your trip dates. Use the 'Whole month' function to see the lowest fares across the month and land a great deal.

  • Finding cheap flights from SEA to BKK is a cinch with Price Alerts. All you need to do is set up one of these automatic alerts and we'll notify you as soon as a new discounted fare appears.

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

Handy information about Seattle-Tacoma International Airport (SEA)

  • 81.27% of flights leaving Seattle-Tacoma International Airport reach their destination according to schedule. With its strong performance rating, you're unlikely to face delays when flying out of SEA.

  • Seattle-Tacoma International Airport is about 23 kilometres from central Seattle. If you're ride-sharing, catching a cab or driving from the centre, it'll take you 20 minutes or so to get there, depending on the traffic.

  • The trip on public transport will take about 55 minutes.

  • Get your holiday off to a hassle-free start by staying near SEA. Whether you're boarding an early flight from Seattle-Tacoma International Airport to Suvarnabhumi Airport or want to avoid feeling rushed, these stays are perfect:

Arriving at Suvarnabhumi Airport (BKK)

  • If you're arriving on a late Seattle-Tacoma International Airport to Suvarnabhumi Airport flight, nothing beats the convenience of being near the terminal. Collect your bags from the carousel and then be showered and relaxing not long after at one of these options near BKK:

  • Grab a Suvarnabhumi Airport rental car and discover Bangkok and beyond with your own wheels. Chic Car Rent, asap car hire and Hertz are top providers you can book with here.

  • For the lowest price, book your vehicle from Suvarnabhumi Airport around four weeks before travelling.

Getting from Suvarnabhumi Airport (BKK) to central Bangkok

  • From Suvarnabhumi Airport, Bangkok is approximately 32 kilometres away. It takes around 35 minutes to reach the centre driving.

  • It typically takes 1 hour 5 minutes to get there using public transport.

When to fly to Suvarnabhumi Airport (BKK)

  • July is the most popular month for flights from Seattle-Tacoma International Airport to Suvarnabhumi Airport. For a quieter experience, travel to Bangkok in April.

  • The warmest month in Bangkok is April, with temperatures ranging between 26ºC and 37ºC. Book your flights from Seattle-Tacoma International Airport to Suvarnabhumi Airport in this month if this is the type of weather you like.

  • Search for cheap tickets from SEA to BKK in December if you like travelling in cooler conditions. Temperatures are at their lowest around then, ranging between 19ºC and 33ºC on average.

Explore more of Thailand

  • Udon Thani is just one of the many cities in Thailand waiting to be explored after you've seen Bangkok. Around 467 kilometres away to the north-east, popular attractions include Nong Prajak Public Park, Krom Luang Prachaksinlapakhom Monument and Chinesisches Tor.

  • If there's time to check out another major destination in Thailand, consider Chon Buri, about 64 kilometres south-east of Bangkok. Wat Ton Son, Forest and Phra Phutthasihing Hall are among the biggest draws.

Plan the rest of your trip from Seattle to Bangkok

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