HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Don Mueang Intl

$430+ 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 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — DMK
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Seattle to Don Mueang Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 August 14, 2025.

Round-trip from

$988
(Mytrip)

One-way from

$430
(Mytrip)

Popular in

December

Cheapest in

October

Average price

$807
From Seattle/Tacoma Intl to Bangkok Don Mueang Intl
Search Deals
One-way flight from Seattle/Tacoma Intl to Bangkok Don Mueang Intl
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($232 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease ($91 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

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 August 14, 2025.

This Mytrip deal was found by Cheapflights users on 8/13. 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 9/155:30 amSEA - DMK
2 stops26h 45mMultiple Airlines
Mon 9/228:10 amDMK - SEA
2 stops25h 10mMultiple Airlines
Deal found 8/13$988
This Mytrip deal was found by Cheapflights users on 8/12. 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.
Wed 8/201:15 amSEA - DMK
2 stops26h 20mMultiple Airlines
Fri 9/57:30 amDMK - SEA
2 stops22h 40mMultiple Airlines
Deal found 8/12$997
This Mytrip deal was found by Cheapflights users on 8/12. 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.
Fri 9/125:30 amSEA - DMK
2 stops26h 45mMultiple Airlines
Sun 9/288:10 amDMK - SEA
2 stops25h 10mMultiple Airlines
Deal found 8/12$998
This Mytrip deal was found by Cheapflights users on 8/12. 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 8/245:30 amSEA - DMK
2 stops30h 00mMultiple Airlines
Mon 9/81:10 amDMK - SEA
2 stops31h 26mMultiple Airlines
Deal found 8/12$1,008
This Mytrip deal was found by Cheapflights users on 8/14. 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.
Sun 8/171:15 amSEA - DMK
2 stops32h 00mMultiple Airlines
Wed 9/37:30 amDMK - SEA
2 stops22h 40mMultiple Airlines
Deal found 8/14$1,020
This Kiwi.com deal was found by Cheapflights users on 8/13. 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 8/271:45 pmSEA - DMK
1 stop22h 55mMultiple Airlines
Mon 9/82:40 amDMK - SEA
1 stop22h 50mMultiple Airlines
Deal found 8/13$1,034
This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
Tue 8/261:45 pmSEA - DMK
1 stop22h 55mMultiple Airlines
Wed 9/102:40 amDMK - SEA
1 stop22h 50mMultiple Airlines
Deal found 8/13$1,036
This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
Tue 8/261:45 pmSEA - DMK
1 stop22h 55mMultiple Airlines
Mon 9/82:40 amDMK - SEA
1 stop22h 50mMultiple Airlines
Deal found 8/13$1,037
This Kiwi.com deal was found by Cheapflights users on 8/12. 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.
Sun 9/71:45 pmSEA - DMK
1 stop22h 55mMultiple Airlines
Mon 9/292:40 amDMK - SEA
1 stop22h 50mMultiple Airlines
Deal found 8/12$1,038

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 August 14, 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

Mon 9/15

5:30 am-10:15 pm

2 stops26h 45m

Bangkok Don Mueang Intl

Mon 9/22

8:10 am-7:20 pm

2 stops25h 10m

$988

SeattleBangkok

SEA - DMK

SEADMK

Seattle/Tacoma Intl

Wed 8/27

1:15 am-11:45 am

1 stop20h 30m

Bangkok Don Mueang Intl

Thu 9/11

7:25 am-4:10 pm

1 stop22h 45m

$999

SeattleBangkok

SEA - DMK

SEADMK

Seattle/Tacoma Intl

Fri 9/19

5:30 am-10:15 pm

2 stops26h 45m

Bangkok Don Mueang Intl

Mon 9/22

8:10 am-7:20 pm

2 stops25h 10m

$1,019

SeattleBangkok

SEA - DMK

SEADMK

Seattle/Tacoma Intl

Sun 8/24

5:30 am-10:15 pm

2 stops26h 45m

Bangkok Don Mueang Intl

Sun 9/21

8:10 am-7:20 pm

2 stops25h 10m

$1,023

SeattleBangkok

SEA - DMK

SEADMK

Seattle/Tacoma Intl

Mon 9/29

1:10 am-3:05 pm

2 stops23h 55m

Bangkok Don Mueang Intl

Mon 10/13

11:10 am-8:45 am

2 stops35h 35m

$1,027

SeattleBangkok

SEA - DMK

SEADMK

Seattle/Tacoma Intl

Sun 8/24

5:30 am-10:15 pm

2 stops26h 45m

Bangkok Don Mueang Intl

Wed 10/22

4:30 pm-8:45 am

2 stops30h 15m

$1,028

SeattleBangkok

SEA - DMK

SEADMK

Seattle/Tacoma Intl

Wed 9/17

8:08 pm-11:45 am

2 stops25h 37m

Bangkok Don Mueang Intl

Wed 9/24

7:25 am-4:10 pm

1 stop22h 45m

$1,029

SeattleBangkok

SEA - DMK

SEADMK

Seattle/Tacoma Intl

Wed 9/17

1:45 pm-2:40 am

1 stop22h 55m

Bangkok Don Mueang Intl

Wed 9/24

2:40 am-11:30 am

1 stop22h 50m

$1,032

SeattleBangkok

SEA - DMK

SEADMK

Seattle/Tacoma Intl

Tue 9/16

1:45 pm-2:40 am

1 stop22h 55m

Bangkok Don Mueang Intl

Wed 9/24

2:40 am-11:30 am

1 stop22h 50m

$1,032

SeattleBangkok

SEA - DMK

SEADMK

Seattle/Tacoma Intl

Wed 8/27

1:45 pm-2:40 am

1 stop22h 55m

Bangkok Don Mueang Intl

Mon 9/8

2:40 am-11:30 am

1 stop22h 50m

$1,034

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 22 results
1
2
3

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 August 14, 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.