฿13,399 Find Cheap Flights from Seattle to Bangkok – Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Seattle to Bangkok departing on 25/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest return fare
฿25,523
Typical prices: ฿27,185-฿42,633
Singapore Airlines
Wed 25/11Fri 11/12
SEA - BKK • 1 stop
Cheapest one-way flight
฿13,399
Typical prices: ฿13,467-฿18,605
Asiana Airlines
Sun 25/10
SEA - BKK • 1 stop
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Booking Insights
Flight Deals

Cheap Flights from Seattle to Bangkok (SEA-BKK)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Seattle to Bangkok that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Seattle to Bangkok

Wed 25 Nov - Fri 11 Dec
Singapore Airlines Logo
08:45 - 14:35
SEA
-
BKK
38h 50m
1 stop
Singapore Airlines Logo
12:00 - 07:10
BKK
-
SEA
34h 10m
1 stop
฿25,523Singapore Airlines
Thu 17 Sep - Thu 24 Sep
Singapore Airlines Logo
10:15 - 12:20
SEA
-
BKK
36h 05m
1 stop
Singapore Airlines Logo
13:35 - 08:45
BKK
-
SEA
33h 10m
1 stop
฿25,523Singapore Airlines
Wed 25 Nov - Sat 5 Dec
Singapore Airlines Logo
08:45 - 14:35
SEA
-
BKK
38h 50m
1 stop
Singapore Airlines Logo
09:35 - 07:10
BKK
-
SEA
36h 35m
1 stop
฿25,556Singapore Airlines
Sun 1 Nov - Tue 10 Nov
Singapore Airlines Logo
08:45 - 17:00
SEA
-
BKK
41h 15m
1 stop
Singapore Airlines Logo
20:00 - 07:10
BKK
-
SEA
26h 10m
1 stop
฿25,556Singapore Airlines
Tue 17 Nov - Mon 21 Dec
Singapore Airlines Logo
08:45 - 14:35
SEA
-
BKK
38h 50m
1 stop
Singapore Airlines Logo
09:35 - 07:10
BKK
-
SEA
36h 35m
1 stop
฿25,623Singapore Airlines
Sun 25 Oct - Sat 31 Oct
Singapore Airlines Logo
09:45 - 14:35
SEA
-
BKK
38h 50m
1 stop
Singapore Airlines Logo
09:35 - 08:10
BKK
-
SEA
36h 35m
1 stop
฿25,758Singapore Airlines
Sun 6 Sep - Wed 23 Sep
Singapore Airlines Logo
10:15 - 19:00
SEA
-
BKK
42h 45m
1 stop
Singapore Airlines Logo
09:20 - 08:45
BKK
-
SEA
37h 25m
1 stop
฿25,892Singapore Airlines
Thu 1 Oct - Wed 14 Oct
Singapore Airlines Logo
10:15 - 17:15
SEA
-
BKK
41h 00m
1 stop
Singapore Airlines Logo
12:15 - 08:45
BKK
-
SEA
34h 30m
1 stop
฿25,993Singapore Airlines
Tue 25 Aug - Mon 2 Nov
Singapore Airlines Logo
10:15 - 14:15
SEA
-
BKK
38h 00m
1 stop
Singapore Airlines Logo
13:35 - 07:10
BKK
-
SEA
32h 35m
1 stop
฿26,026Singapore Airlines
Tue 10 Nov - Fri 13 Nov
Singapore Airlines Logo
08:45 - 14:35
SEA
-
BKK
38h 50m
1 stop
Singapore Airlines Logo
09:35 - 07:10
BKK
-
SEA
36h 35m
1 stop
฿26,026Singapore Airlines
Booking Insights

KAYAK's insights & trends for Seattle to Bangkok flights

Get data-powered insights and trends into flights from Seattle to Bangkok to help you find the cheapest flights, the best time to fly and much more.

How much is a return flight from Seattle to Bangkok?

This analysis is based on the cheapest return trip price found on KAYAK in the last 12 months by searching for a flight from Seattle to Bangkok departing in September.

Flight prices are typical for this route right now.

Flights to Bangkok from Seattle usually cost between ฿24,112 and ฿32,407 in September.
The lowest price found in the past 5 days was ฿25,523 on Singapore Airlines (17 Sep–24 Sep).

What is the cheapest month to fly from Seattle to Bangkok?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Seattle to Bangkok, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Seattle to Bangkok is March, where tickets cost ฿24,952 (return) on average. On the other hand, the most expensive months are June and December, where the average cost of round-trip tickets is ฿42,817 and ฿41,441 respectively.

How far in advance should I book a flight from Seattle to Bangkok?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Seattle to Bangkok, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Seattle to Bangkok, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 8 weeks before departure.

Good to know

Cheapest flight

฿13,399
Flight from Seattle to Bangkok Suvarnabhumi Airport

When to book flights from Seattle to Bangkok

Are your dates flexible? Find out the best times to travel from Seattle to Bangkok based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Seattle to Bangkok

  • How can I fly from Seattle to Bangkok?

    There are multiple major airlines operating between Seattle and Bangkok. Some of the airlines that frequently travel this route are Singapore Airlines, Korean Airlines and Asian Airlines. Note that there are no direct flights on this route. If you are looking to save on some dollars, you can book the flights with one layover, usually with stops at ICN and NRT.

  • What is the best hotel to stay in in Bangkok?

    There are various hotels located near and at BKK in Bangkok, if you are arriving late in the city. Consider staying at the Millenium Hilton Bangkok, Novotel Bangkok Platinum Pratunam and Radisson Suites Bangkok Sukhumvit. These hotels are within the airport’s proximity and hence are conveniently accessible. As a result, you can avoid the nighttime hassles.

  • Are there medical facilities at BKK?

    Yes, you will find exceptional medical facilities located at BKK, providing emergency services to passengers who get sick while at the airport. Vejthani Hospital Services is an outstanding walk-in clinic located at the airport. Ensure that you visit the hospital if you need urgent medical care.

  • Can I smoke at SEA?

    Smoking is not permitted within the terminal since SEA is a non-smoking facility. Only in defined areas is smoking allowed on the lower airport road sidewalk outside of the baggage claim area. So, if you feel like smoking at SEA, you can take advantage of these facilities.

  • What is the cheapest flight from Seattle to Bangkok?

    In the last 5 days, the lowest price for a flight from Seattle to Bangkok was ฿13,399 for a one-way ticket and ฿25,523 for a return.

  • Which airports will I be using when flying from Seattle to Bangkok?

    On your way to Bangkok, you’ll fly out from Seattle/Tacoma Intl. You’ll be landing in one of Bangkok’s 2 airports: Bangkok Suvarnabhumi or Bangkok Don Mueang Intl.

  • Which aircraft models fly most regularly from Seattle to Bangkok?

    We unfortunately don’t have that data for this specific route.

  • How does KAYAK find such low prices on flights from Seattle to Bangkok?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Seattle to Bangkok.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Seattle to Bangkok?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Bangkok from Seattle is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Seattle to Bangkok?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Bangkok with an airline and back to Seattle with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Seattle to Bangkok?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Bangkok from Seattle up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Seattle to Bangkok

  • If you have scheduled an early morning flight from Seattle Tacoma International Airport (SEA) in Seattle to Bangkok and are looking for accommodation, look no further than Ramada by Wyndham SEATAC Airport Hotel. Located approximately 0.7 miles, it is conveniently accessible. As a result, you will wake up refreshed and avoid the early morning commute.
  • Passengers looking forward to traveling through SEA from Seattle with their four-legged companions should not panic as SEA is a furry-friendly airport. It features exceptional pet relief facilities equipped with fire hydrants, disposable waste bags and sinks. Located at Carousel 1/#door 02, Carousel 33/#door, Carousel 16/door# 26 and near the parking garage are easily accessible. So passengers can utilize these services before boarding their flight to Bangkok.
  • On your way to Bangkok, watch out for currency exchange counters at SEA, as in Bangkok, they use THB instead of USD. At SEA, you will find the currency exchange counters on concourse A, the baggage reclaims area and the main terminal. Alternatively, if you decide to exchange some of your dollars for Thai Baht at the arrival airport, Suvarnabhumi Airport in Bangkok (BKK), you will find currency exchange counters at the arrivals hall, basement level at the baggage claim area.
  • When you arrive at BKK airport in Bangkok and have some time before your airport shuttle transfer, you can visit the Chang Massage and Spa and pamper yourself with an excellent massage, facials, pedicures, manicures and aromatherapy to help you relieve some stress after a long flight from SEA. You can also get these services at the Miracle Transit hotel situated at Concourse G.
  • Passengers with limited mobility arriving at BKK in Bangkok can utilize the special services that the airport offers, such as wheelchair services and extra assistance. However, you can only access these services upon request. If you want to make use of these services, you can call your airline in advance and inform them of the services you need.

Everything you need to know for your flight from Seattle to Bangkok

Information on your arrival and departure airports