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$542 Find cheap flights from Seattle to Bangkok

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 8/12. 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
0 bags
qua 7/10
qua 7/17

Search hundreds of travel sites at once for deals on flights to Bangkok

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seattle to Bangkok, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seattle to Bangkok, as well as popular online travel agencies
In the last 7 days travelers have searched 42,898,604 times on KAYAK, and here is why:

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Cheap flight deals from Seattle to Bangkok (SEA-BKK)

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip 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 and deals for you by selecting your travel dates.
Choose your dates
11:35 pm - 12:05 pmSEA-BKK
22h 30m1 stop
1:30 pm - 6:15 pmBKK-SEA
19h 45m1 stop
$745Philippine Airlines
Find Deal
qua, out 30 - qua, nov 27
10:35 pm - 9:50 pmSEA-BKK
32h 15m1 stop
1:30 pm - 6:15 pmBKK-SEA
19h 45m1 stop
$758Philippine Airlines
Find Deal
qua, nov 13 - qua, nov 27
1:45 am - 4:40 pmSEA-BKK
24h 55m1 stop
5:40 pm - 3:05 pmBKK-SEA
36h 25m1 stop
$816STARLUX Airlines
Find Deal
qua, out 23 - qui, nov 7
10:15 am - 8:05 amSEA-BKK
31h 50m1 stop
9:10 pm - 8:15 amBKK-SEA
25h 05m1 stop
$825Singapore Airlines
Find Deal
qui, out 17 - qua, out 30
10:15 am - 4:55 pmSEA-BKK
40h 40m1 stop
3:40 pm - 8:15 amBKK-SEA
30h 35m1 stop
$835Singapore Airlines
Find Deal
qui, out 17 - seg, out 28
1:05 am - 4:30 pmSEA-BKK
25h 25m1 stop
5:40 pm - 3:05 pmBKK-SEA
36h 25m1 stop
$839STARLUX Airlines
Find Deal
qua, out 30 - sáb, nov 16
1:40 am - 9:45 amSEA-BKK
18h 05m1 stop
2:40 am - 7:30 pmBKK-SEA
30h 50m1 stop
$843China Airlines
Find Deal
seg, set 9 - seg, out 7
2:20 pm - 11:10 pmSEA-BKK
18h 50m1 stop
1:10 am - 12:45 pmBKK-SEA
25h 35m1 stop
$852Asiana Airlines
Find Deal
qua, set 4 - ter, set 24
1:40 am - 1:25 amSEA-BKK
33h 45m1 stop
10:55 am - 6:05 pmBKK-SEA
22h 10m1 stop
$858China Airlines
Find Deal
seg, set 9 - seg, dez 9
2:20 pm - 11:10 pmSEA-BKK
18h 50m1 stop
2:00 am - 12:45 pmBKK-SEA
24h 45m1 stop
$867Asiana Airlines
Find Deal
seg, set 2 - dom, set 15

Flights from Seattle to Bangkok - Travel Insights & Trends

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.

What’s the cheapest day of the week to fly from Seattle to Bangkok?

The average price of all flights from Seattle to Bangkok clicked on KAYAK for each day over the last 12 months.
Your flight ticket price will generally be cheaper if you fly to Bangkok on a Tuesday and more expensive on a Friday. On your return trip to Seattle, you should consider flying back on a Thursday, and avoid Fridays for better deals.

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 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 October, where tickets cost $994 on average. On the other hand, the most expensive months are December and June, where the average cost of tickets is $1,649 and $1,540 respectively.

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

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for 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 month.
To get a below average price on the flight from Seattle to Bangkok, you should book around 4 days before departure. For the absolute cheapest price, our data suggests you should book 72 days before departure.

Which airlines provide the cheapest flights from Seattle to Bangkok?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
In the last 72 hours, the best return deals on flights connecting Seattle to Bangkok were found on Philippine Airlines ($745) and STARLUX Airlines ($816). Delta proposed the cheapest one-way flight at $542.

Good to know

Cheapest flight

$542
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 round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips 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 3 days, the lowest price for a flight from Seattle to Bangkok was $542 for a one-way ticket and $745 for a round-trip.

  • Do I need a passport to fly between Seattle and Bangkok?

    Yes

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

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

  • Which airline alliances offer flights from Seattle to Bangkok?

    SkyTeam, Star Alliance, and oneworld are the airline alliances operating flights between Seattle and Bangkok, with Star Alliance being the most commonly used for this route.

  • What is the most popular layover when flying to Bangkok from Seattle?

    Incheon is the most popular layover city among KAYAK users traveling from Seattle to Bangkok.

  • 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 round-trip 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.

See more FAQs

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.
See more tips

Book cheap flights from Seattle to Bangkok

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Seattle to Bangkok found on KAYAK in the last 72 hours.
8/12seg
2 stopsDelta
26h 13mSEA-BKK
$542
9/24ter
3 stops
59h 11mSEA-DMK
$542
7/23ter
2 stopsUnited Airlines
45h 10mSEA-BKK
$543
7/23ter
1 stopJapan Airlines
19h 30mSEA-BKK
$549
8/15qui
1 stopEVA Air
19h 55mSEA-BKK
$552
8/18dom
1 stopAsiana Airlines
18h 50mSEA-BKK
$553
8/14qua
1 stopEVA Air
19h 25mSEA-BKK
$563
7/11qui
2 stopsJapan Airlines
40h 55mSEA-BKK
$568
9/1dom
1 stopAsiana Airlines
18h 50mSEA-BKK
$572
6/14sex
3 stopsUnited Airlines
51h 40mSEA-BKK
$760

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Last minute flights from Seattle to Bangkok

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from Seattle to Bangkok that are departing in the next 10 days.
6/14sex
multi-stopUnited Airlines
51h 40mSEA-BKK
6/21sex
multi-stopUnited Airlines
29h 11mBKK-SEA
$1,371
6/14sex
multi-stopUnited Airlines
51h 40mSEA-BKK
6/21sex
multi-stopUnited Airlines
18h 50mBKK-SEA
$1,536
6/11ter
multi-stopCathay Pacific
25h 00mSEA-BKK
6/18ter
multi-stopCathay Pacific
35h 51mBKK-SEA
$1,612
6/12qua
multi-stop
22h 35mSEA-BKK
6/25ter
multi-stop
44h 07mBKK-SEA
$1,677
6/11ter
multi-stopKorean Air
21h 00mSEA-BKK
6/18ter
multi-stopKorean Air
18h 10mBKK-SEA
$1,690
6/11ter
multi-stopANA
43h 00mSEA-BKK
6/19qua
multi-stopANA
31h 46mBKK-SEA
$1,697
6/11ter
multi-stopKorean Air
21h 00mSEA-BKK
7/8seg
multi-stopKorean Air
25h 20mBKK-SEA
$1,704
6/11ter
multi-stopANA
38h 13mSEA-BKK
7/8seg
multi-stopANA
30h 50mBKK-SEA
$1,734
6/11ter
multi-stop
19h 10mSEA-BKK
6/18ter
multi-stop
28h 32mBKK-SEA
$1,766
6/12qua
multi-stopCathay Pacific
35h 10mSEA-BKK
6/30dom
multi-stopCathay Pacific
35h 51mBKK-SEA
$1,869

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Seattle - Bangkok Flights

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