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Don Mueang Intl

$470+ Cheap flights from Portland (PDX) 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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — DMK
Oct 10 — Oct 171
Fri 10/10
Fri 10/17
1 adult, Economy
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Cheap flight deals from Portland to Don Mueang Intl

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) 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 10, 2025.

Round-trip from

$927
(Trip.com)

One-way from

$470
(Trip.com)

Popular in

December

Cheapest in

August

Average price

$962
From Portland to Bangkok Don Mueang Intl
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One-way flight from Portland to Bangkok Don Mueang Intl
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Highest demand for flights based on searches. 10% potential increase in price ($123 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($44 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 Portland to Don Mueang Intl

Cheapest flights from Portland to Don Mueang Intl
Explore the most affordable flight options available from Portland to Don Mueang Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 10, 2025.

This Trip.com deal was found by Cheapflights users on 9/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/128:10 pmPDX - DMK
2 stops38h 00mMultiple Airlines
Wed 9/246:15 amDMK - PDX
2 stops29h 10mMultiple Airlines
Deal found 9/10$877
This Trip.com deal was found by Cheapflights users on 9/8. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2010:00 pmPDX - DMK
2 stops23h 45mMultiple Airlines
Fri 11/143:10 amDMK - PDX
2 stops31h 10mMultiple Airlines
Deal found 9/8$927
This Trip.com deal was found by Cheapflights users on 9/7. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1210:30 amPDX - DMK
2 stops47h 40mMultiple Airlines
Thu 9/183:05 amDMK - PDX
2 stops34h 45mMultiple Airlines
Deal found 9/7$1,017
This Trip.com deal was found by Cheapflights users on 9/9. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/117:00 amPDX - DMK
2 stops27h 10mMultiple Airlines
Sun 9/143:05 amDMK - PDX
2 stops34h 45mMultiple Airlines
Deal found 9/9$1,068
This Trip.com deal was found by Cheapflights users on 9/8. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/117:00 amPDX - DMK
2 stops27h 10mMultiple Airlines
Fri 9/263:05 amDMK - PDX
2 stops31h 30mMultiple Airlines
Deal found 9/8$1,120
This Trip.com deal was found by Cheapflights users on 9/8. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/127:00 amPDX - DMK
2 stops27h 10mMultiple Airlines
Sun 9/146:15 amDMK - PDX
2 stops28h 20mMultiple Airlines
Deal found 9/8$1,123

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland 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 10, 2025.
Use the filters below to find and compare flights from Portland to Bangkok Don Mueang Intl Airport that are best for you.

Fly from

Portland

Fly to

Don Mueang Intl

Route

Depart

Return

Price

PortlandBangkok

PDX - DMK

PDXDMK

Portland

Mon 10/20

10:00 pm-11:45 am

2 stops23h 45m

Bangkok Don Mueang Intl

Fri 11/14

3:10 am-7:20 pm

2 stops31h 10m

$927

PortlandBangkok

PDX - DMK

PDXDMK

Portland

Thu 9/25

6:15 am-10:15 pm

2 stops26h 00m

Bangkok Don Mueang Intl

Sun 10/5

8:10 am-11:01 pm

3 stops28h 51m

$1,347

PortlandBangkok

PDX - DMK

PDXDMK

Portland

Fri 10/31

9:50 am-10:05 pm

2 stops22h 15m

Bangkok Don Mueang Intl

Mon 11/17

1:45 pm-9:15 am

3 stops34h 30m

$1,386

PortlandBangkok

PDX - DMK

PDXDMK

Portland

Fri 10/3

6:15 am-10:15 pm

2 stops26h 00m

Bangkok Don Mueang Intl

Fri 10/17

8:10 am-11:01 pm

3 stops28h 51m

$1,466

PortlandBangkok

PDX - DMK

PDXDMK

Portland

Sat 11/15

9:50 am-2:40 am

2 stops25h 50m

Bangkok Don Mueang Intl

Sun 11/23

11:55 pm-6:30 pm

2 stops33h 35m

$1,488

PortlandBangkok

PDX - DMK

PDXDMK

Portland

Mon 10/6

9:55 am-1:30 am

2 stops25h 35m

Bangkok Don Mueang Intl

Mon 10/13

10:20 am-6:46 pm

2 stops22h 26m

$1,569

PortlandBangkok

PDX - DMK

PDXDMK

Portland

Mon 9/15

9:30 pm-11:45 am

2 stops24h 15m

$470

PortlandBangkok

PDX - DMK

PDXDMK

Portland

Sat 11/15

1:21 pm-1:50 pm

3 stops57h 29m

$496

PortlandBangkok

PDX - DMK

PDXDMK

Portland

Wed 10/29

5:30 pm-9:30 pm

3 stops38h 00m

$500

PortlandBangkok

PDX - DMK

PDXDMK

Portland

Mon 10/20

1:25 pm-3:45 pm

3 stops36h 20m

$502

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 14 results
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Best time to book a flight from Portland to Don Mueang Intl

Have a flexible travel schedule? Discover the best time to fly to Don Mueang Intl from Portland 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.

Related info for your journey

Find useful and relevant information for your journey from Portland 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 Portland to Bangkok Don Mueang Intl?

    Portland (PDX), located 6.0 mi from the city center, is the airport you fly out of when you book flights from Portland to Bangkok Don Mueang Intl. 0 airlines have flights from Portland to Bangkok Don Mueang Intl on a regular basis. Booking flights from Portland to Bangkok Don Mueang Intl should not be difficult; the airport handles an average of 0 outbound flights to Bangkok Don Mueang Intl per day.

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

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

  • How can I find direct flights from Portland 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 Portland to Don Mueang Intl.

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

    Yes. Cheapflights offers flight deals from Portland 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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