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$428+ Cheap flights from Don Mueang Intl (DMK) to Washington

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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
DMK — SEA
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Don Mueang Intl to Washington

Keep the following information in mind while searching for Don Mueang Intl to Washington flight deals. Data was last updated September 17, 2025.

Round-trip from

$974
(Kiwi.com)

One-way from

$428
(Trip.com)

Popular in

July

Cheapest in

November

Average price

$910
From Bangkok Don Mueang Intl to Washington
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One-way flight from Bangkok Don Mueang Intl to Washington
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Highest demand for flights based on searches. 9% potential increase in price ($99 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($18 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 Don Mueang Intl to Washington

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

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.
Thu 9/182:45 amDMK - SEA
1 stop26h 00mMultiple Airlines
Sun 9/2111:35 pmSEA - DMK
1 stop21h 50mMultiple Airlines
Deal found 9/15$970
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.
Sun 11/239:20 amDMK - SEA
2 stops24h 15mMultiple Airlines
Tue 12/28:45 amSEA - DMK
1 stop23h 15mMultiple Airlines
Deal found 9/15$974
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.
Mon 10/1312:30 amDMK - SEA
2 stops22h 30mMultiple Airlines
Wed 10/2910:30 pmSEA - DMK
1 stop33h 40mMultiple Airlines
Deal found 9/15$976
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.
Fri 11/2110:00 pmDMK - SEA
2 stops25h 00mMultiple Airlines
Tue 12/28:45 amSEA - DMK
1 stop23h 15mMultiple Airlines
Deal found 9/15$980
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 10/192:45 amDMK - SEA
1 stop25h 50mMultiple Airlines
Wed 10/2910:30 pmSEA - DMK
2 stops33h 00mMultiple Airlines
Deal found 9/17$986
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.
Sun 11/239:20 amDMK - SEA
2 stops24h 15mMultiple Airlines
Sun 12/78:45 amSEA - DMK
1 stop22h 20mMultiple Airlines
Deal found 9/15$989
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.
Fri 11/2110:00 pmDMK - SEA
2 stops25h 00mMultiple Airlines
Sun 12/78:45 amSEA - DMK
1 stop22h 20mMultiple Airlines
Deal found 9/15$994
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.
Mon 10/2710:00 pmDMK - SEA
2 stops25h 00mMultiple Airlines
Thu 10/3011:05 amSEA - DMK
1 stop27h 55mMultiple Airlines
Deal found 9/15$1,019
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 11/192:30 amDMK - SEA
1 stop26h 25mMultiple Airlines
Fri 12/51:40 pmSEA - DMK
2 stops39h 50mMultiple Airlines
Deal found 9/17$1,037

Cheapflights Fare Finder

 
Customize your flight search to find flights from Don Mueang Intl to Washington 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 Bangkok Don Mueang Intl Airport to Washington that are best for you.

Fly from

Don Mueang Intl

Fly to

Washington

Route

Depart

Return

Price

BangkokSeattle

DMK - SEA

DMKSEA

Bangkok Don Mueang Intl

Mon 10/20

7:05 pm-9:00 am

2 stops27h 55m

Seattle/Tacoma Intl

Wed 10/29

10:30 pm-10:10 pm

1 stop33h 40m

$976

BangkokSeattle

DMK - SEA

DMKSEA

Bangkok Don Mueang Intl

Fri 11/21

10:00 pm-8:00 am

2 stops25h 00m

Seattle/Tacoma Intl

Tue 12/2

8:45 am-11:00 pm

1 stop23h 15m

$980

BangkokSeattle

DMK - SEA

DMKSEA

Bangkok Don Mueang Intl

Mon 10/27

10:00 pm-9:00 am

2 stops25h 00m

Seattle/Tacoma Intl

Thu 10/30

11:05 am-5:00 am

1 stop27h 55m

$1,019

BangkokSeattle

DMK - SEA

DMKSEA

Bangkok Don Mueang Intl

Wed 11/19

2:30 am-1:55 pm

1 stop26h 25m

Seattle/Tacoma Intl

Thu 12/4

12:10 am-4:15 pm

2 stops25h 05m

$1,065

BangkokSeattle

DMK - SEA

DMKSEA

Bangkok Don Mueang Intl

Wed 10/15

2:45 am-2:35 pm

1 stop25h 50m

Seattle/Tacoma Intl

Thu 10/30

11:05 am-5:00 am

1 stop27h 55m

$1,074

BangkokSeattle

DMK - SEA

DMKSEA

Bangkok Don Mueang Intl

Mon 10/6

3:05 am-11:25 am

2 stops22h 20m

Seattle/Tacoma Intl

Wed 10/29

10:30 pm-10:10 pm

1 stop33h 40m

$1,088

BangkokSeattle

DMK - SEA

DMKSEA

Bangkok Don Mueang Intl

Thu 3/5

8:45 am-6:40 pm

2 stops24h 55m

$439

BangkokSeattle

DMK - SEA

DMKSEA

Bangkok Don Mueang Intl

Wed 12/3

9:20 am-6:40 pm

2 stops24h 20m

$457

BangkokSeattle

DMK - SEA

DMKSEA

Bangkok Don Mueang Intl

Tue 3/10

6:45 pm-9:05 am

2 stops52h 20m

$467

BangkokSeattle

DMK - SEA

DMKSEA

Bangkok Don Mueang Intl

Tue 1/27

6:45 pm-8:05 am

2 stops52h 20m

$467

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

Showing 1-10 of 16 results
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Best time to book a flight from Don Mueang Intl to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from Don Mueang Intl 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 Bangkok Don Mueang Intl Airport to Washington
No data available for this route at this time. Please check back soon.

Related info for your journey

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

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

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

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

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

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

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

  • What is the cheapest month to book a flight from Bangkok Don Mueang Intl Airport to State of Washington?

    Currently, January is the cheapest month in which you can book a flight from Bangkok Don Mueang Intl Airport to State of Washington (average of $238). Flying from Bangkok Don Mueang Intl Airport to State of Washington in June is currently the most expensive (average of $387). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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