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

$360+ 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 2/14. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — DMK
Dec 26 — Jan 21
Fri 12/26
Fri 1/2
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 November 26, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$835
(Mytrip)

One-way from

$360
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$814
Provider with most accurate pricing for Seattle/Tacoma Intl-Bangkok Don Mueang Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Bangkok Don Mueang Intl flights.
Search Deals
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. 15% potential increase in price ($159 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 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 November 26, 2025.

This Mytrip deal was found by Cheapflights users on 11/24. 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 11/3012:10 amSEA - DMK
2 stops33h 25mMultiple Airlines
Wed 12/105:50 pmDMK - SEA
2 stops35h 05mMultiple Airlines
Deal found 11/24$848
This Mytrip deal was found by Cheapflights users on 11/25. 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 12/112:10 amSEA - DMK
2 stops25h 05mMultiple Airlines
Tue 12/169:20 amDMK - SEA
2 stops24h 20mMultiple Airlines
Deal found 11/25$912
This Kiwi.com deal was found by Cheapflights users on 11/24. 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 11/309:30 pmSEA - DMK
1 stop23h 10mMultiple Airlines
Wed 12/102:30 amDMK - SEA
2 stops26h 00mMultiple Airlines
Deal found 11/24$919
This Mytrip deal was found by Cheapflights users on 11/26. 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 11/3012:10 amSEA - DMK
2 stops33h 25mMultiple Airlines
Wed 12/33:10 amDMK - SEA
2 stops30h 30mMultiple Airlines
Deal found 11/26$958
This Mytrip deal was found by Cheapflights users on 11/25. 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 12/2912:10 amSEA - DMK
2 stops33h 25mMultiple Airlines
Thu 1/2911:20 amDMK - SEA
2 stops34h 50mMultiple Airlines
Deal found 11/25$965
This Kiwi.com deal was found by Cheapflights users on 11/24. 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.
Mon 12/112:05 pmSEA - DMK
1 stop23h 40mMultiple Airlines
Tue 12/162:35 amDMK - SEA
2 stops33h 03mMultiple Airlines
Deal found 11/24$994
This Kiwi.com deal was found by Cheapflights users on 11/26. 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.
Fri 11/289:30 pmSEA - DMK
1 stop23h 10mMultiple Airlines
Sat 12/1311:50 amDMK - SEA
2 stops45h 58mMultiple Airlines
Deal found 11/26$1,002
This Mytrip deal was found by Cheapflights users on 11/25. 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 11/3012:10 amSEA - DMK
2 stops33h 25mMultiple Airlines
Mon 12/227:30 amDMK - SEA
3 stops30h 16mMultiple Airlines
Deal found 11/25$1,006

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 November 26, 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

Sat 4/25

5:50 am-9:45 pm

2 stops25h 55m

Bangkok Don Mueang Intl

Sun 5/17

6:25 am-8:05 pm

2 stops27h 40m

$987

SeattleBangkok

SEA - DMK

SEADMK

Seattle/Tacoma Intl

Fri 5/15

12:10 am-9:45 pm

2 stops31h 35m

Bangkok Don Mueang Intl

Sun 5/31

6:25 am-8:05 pm

2 stops27h 40m

$989

SeattleBangkok

SEA - DMK

SEADMK

Seattle/Tacoma Intl

Fri 1/30

10:05 am-10:05 pm

2 stops21h 00m

Bangkok Don Mueang Intl

Wed 2/4

8:45 am-6:40 pm

2 stops24h 55m

$989

SeattleBangkok

SEA - DMK

SEADMK

Seattle/Tacoma Intl

Sun 3/1

9:30 pm-11:40 am

1 stop23h 10m

Bangkok Don Mueang Intl

Thu 3/12

12:10 pm-7:40 pm

1 stop21h 30m

$1,006

SeattleBangkok

SEA - DMK

SEADMK

Seattle/Tacoma Intl

Tue 3/10

10:30 pm-11:40 am

1 stop23h 10m

Bangkok Don Mueang Intl

Mon 4/6

5:50 pm-9:00 am

2 stops29h 10m

$1,007

SeattleBangkok

SEA - DMK

SEADMK

Seattle/Tacoma Intl

Wed 2/4

10:05 am-10:05 pm

2 stops21h 00m

Bangkok Don Mueang Intl

Wed 3/4

7:30 am-6:40 pm

2 stops26h 10m

$1,025

SeattleBangkok

SEA - DMK

SEADMK

Seattle/Tacoma Intl

Mon 1/5

12:10 am-10:05 pm

2 stops30h 55m

Bangkok Don Mueang Intl

Fri 1/16

9:20 am-10:06 pm

2 stops27h 46m

$1,026

SeattleBangkok

SEA - DMK

SEADMK

Seattle/Tacoma Intl

Wed 3/4

9:30 pm-11:40 am

1 stop23h 10m

Bangkok Don Mueang Intl

Fri 3/13

12:10 pm-7:40 pm

1 stop21h 30m

$1,032

SeattleBangkok

SEA - DMK

SEADMK

Seattle/Tacoma Intl

Wed 2/25

9:30 pm-11:40 am

1 stop23h 10m

Bangkok Don Mueang Intl

Wed 3/18

12:10 pm-7:40 pm

1 stop21h 30m

$1,042

SeattleBangkok

SEA - DMK

SEADMK

Seattle/Tacoma Intl

Sat 3/7

12:10 am-7:50 pm

1 stop28h 40m

Bangkok Don Mueang Intl

Thu 3/12

9:20 am-7:40 pm

2 stops24h 20m

$1,042

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/25

Showing 1-10 of 21 results
1
2
3

Compare providers for flights from Seattle to Don Mueang Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Don Mueang Intl in November.
ProviderPrice AccuracyTrust Score*
OvagoPrice Accuracy2 starsTrust Score*2 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seattle-Bangkok Don Mueang Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Seattle-Bangkok Don Mueang Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Seattle-Bangkok Don Mueang Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Bangkok Don Mueang Intl Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Bangkok Don Mueang Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 November 26, 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 32% 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.