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Don Mueang Intl

$417+ Cheap flights from Seattle (SEA) to Don Mueang Intl (DMK)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — DMK
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Seattle to Don Mueang Intl

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Don Mueang Intl (DMK). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 17, 2025.

Round-trip from

$841
(Mytrip)

One-way from

$417
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$784
From Seattle/Tacoma Intl to Bangkok Don Mueang Intl
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One-way flight from Seattle/Tacoma Intl to Bangkok Don Mueang Intl
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Highest demand for flights based on searches. 6% potential increase in price ($60 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Seattle to Don Mueang Intl

Cheapest flights from Seattle to Don Mueang Intl
Explore the most affordable flight options available from Seattle to Don Mueang Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This Mytrip deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1112:10 amSEA - DMK
2 stops33h 25mMultiple Airlines
Wed 11/267:55 pmDMK - SEA
2 stops33h 00mMultiple Airlines
Deal found 9/16$841
This Mytrip deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1612:10 amSEA - DMK
2 stops33h 25mMultiple Airlines
Fri 11/215:25 pmDMK - SEA
2 stops35h 30mMultiple Airlines
Deal found 9/16$854
This Mytrip deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1012:10 amSEA - DMK
2 stops32h 00mMultiple Airlines
Tue 11/187:40 amDMK - SEA
2 stops21h 15mMultiple Airlines
Deal found 9/15$865
This Mytrip deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1012:10 amSEA - DMK
2 stops30h 20mMultiple Airlines
Tue 11/257:45 amDMK - SEA
2 stops21h 10mMultiple Airlines
Deal found 9/15$883
This Mytrip deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/181:10 amSEA - DMK
2 stops26h 25mMultiple Airlines
Sun 9/217:30 amDMK - SEA
2 stops25h 50mMultiple Airlines
Deal found 9/15$898
This Mytrip deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/291:30 amSEA - DMK
1 stop20h 15mMultiple Airlines
Tue 10/77:25 amDMK - SEA
1 stop25h 25mMultiple Airlines
Deal found 9/16$914
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2910:30 pmSEA - DMK
1 stop33h 40mMultiple Airlines
Fri 11/710:00 pmDMK - SEA
2 stops25h 00mMultiple Airlines
Deal found 9/15$920
This Mytrip deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/221:10 amSEA - DMK
2 stops32h 05mMultiple Airlines
Tue 10/77:30 amDMK - SEA
2 stops25h 50mMultiple Airlines
Deal found 9/14$938
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2910:30 pmSEA - DMK
1 stop23h 10mMultiple Airlines
Fri 11/147:10 pmDMK - SEA
2 stops27h 50mMultiple Airlines
Deal found 9/15$946

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Don Mueang Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 17, 2025.
Use the filters below to find and compare flights from Seattle to Bangkok Don Mueang Intl Airport that are best for you.

Fly from

Seattle

Fly to

Don Mueang Intl

Route

Depart

Return

Price

SeattleBangkok

SEA - DMK

SEADMK

Seattle/Tacoma Intl

Tue 11/11

12:10 am-12:35 am

2 stops33h 25m

Bangkok Don Mueang Intl

Wed 11/26

7:55 pm-1:55 pm

2 stops33h 00m

$841

SeattleBangkok

SEA - DMK

SEADMK

Seattle/Tacoma Intl

Mon 11/10

12:10 am-11:10 pm

2 stops32h 00m

Bangkok Don Mueang Intl

Tue 11/18

7:40 am-1:55 pm

2 stops21h 15m

$865

SeattleBangkok

SEA - DMK

SEADMK

Seattle/Tacoma Intl

Mon 11/10

12:10 am-9:30 pm

2 stops30h 20m

Bangkok Don Mueang Intl

Tue 11/25

7:45 am-1:55 pm

2 stops21h 10m

$883

SeattleBangkok

SEA - DMK

SEADMK

Seattle/Tacoma Intl

Sun 10/12

1:10 am-5:35 pm

2 stops26h 25m

Bangkok Don Mueang Intl

Mon 10/20

11:10 am-7:20 pm

2 stops22h 10m

$918

SeattleBangkok

SEA - DMK

SEADMK

Seattle/Tacoma Intl

Sun 11/2

12:10 am-7:50 pm

2 stops28h 40m

Bangkok Don Mueang Intl

Thu 11/20

6:45 pm-7:10 am

2 stops27h 25m

$935

SeattleBangkok

SEA - DMK

SEADMK

Seattle/Tacoma Intl

Sun 11/9

9:30 pm-11:25 am

1 stop22h 55m

Bangkok Don Mueang Intl

Mon 12/1

10:00 pm-8:00 am

2 stops25h 00m

$949

SeattleBangkok

SEA - DMK

SEADMK

Seattle/Tacoma Intl

Mon 9/22

1:10 am-5:05 pm

2 stops25h 55m

Bangkok Don Mueang Intl

Tue 9/30

6:15 am-7:20 pm

2 stops27h 05m

$998

SeattleBangkok

SEA - DMK

SEADMK

Seattle/Tacoma Intl

Fri 10/3

11:35 pm-11:25 am

1 stop21h 50m

Bangkok Don Mueang Intl

Sun 10/12

8:10 am-7:15 pm

2 stops25h 05m

$1,012

SeattleBangkok

SEA - DMK

SEADMK

Seattle/Tacoma Intl

Mon 11/3

11:45 pm-11:50 am

1 stop21h 05m

Bangkok Don Mueang Intl

Mon 11/17

7:45 am-3:05 pm

1 stop22h 20m

$1,024

SeattleBangkok

SEA - DMK

SEADMK

Seattle/Tacoma Intl

Wed 11/5

9:30 pm-10:10 pm

1 stop33h 40m

Bangkok Don Mueang Intl

Sat 11/15

1:50 pm-5:30 pm

2 stops18h 40m

$1,026

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 20 results
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Best time to book a flight from Seattle to Don Mueang Intl

Have a flexible travel schedule? Discover the best time to fly to Don Mueang Intl from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Bangkok Don Mueang Intl Airport

What is the cheapest time of day to fly from SEA to DMK?

Find hourly flight availability from Seattle to Don Mueang Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

It’s optimal to fly from Seattle to Bangkok Don Mueang Intl Airport in the afternoon. By choosing this option you can save up to 29% on the cost of your flight, compared to a flight at noon.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Don Mueang Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Seattle to Bangkok Don Mueang Intl?

    Located just 11.4 mi from the city center, Seattle/Tacoma Intl is the airport most travelers will use when flying to Bangkok Don Mueang Intl from Seattle. Booking flights from Seattle/Tacoma Intl (SEA) to Bangkok Don Mueang Intl should be relatively easy as there are 0 daily outbound flights to Bangkok Don Mueang Intl from 0 different airlines.

  • Can I find deals for flights from Seattle to Don Mueang Intl that include hotel bookings?

    Yes. In addition to deals on Seattle to Don Mueang Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Don Mueang Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Don Mueang Intl.

  • Can I find deals for business class flights from Seattle to Don Mueang Intl?

    Yes. Cheapflights offers flight deals from Seattle to Don Mueang Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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