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$356+ Cheap flights from Portland (PDX) to Thailand

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 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BKK
nov. 28 — dic. 51
vie. 11/28
vie. 12/5
1 adult, Economy
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Cheap flight deals from Portland to Thailand

Keep the following information in mind while searching for Portland to Thailand flight deals. Data was last updated octubre 29, 2025.

Round-trip from

$780
(SmartFares)

One-way from

$356
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$957
From Portland to Thailand
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One-way flight from Portland to Thailand
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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 ($47 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Portland to Thailand

Cheapest flights from Portland to Thailand
Explore the most affordable flight options available from Portland to Thailand. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 29, 2025.

This oojo deal was found by Cheapflights users on 10/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/285:30 pmPDX - BKK
2 stops29h 05mSTARLUX Airlines
jue. 11/135:40 pmBKK - PDX
2 stops41h 57mSTARLUX Airlines
Deal found 10/27$796
This oojo deal was found by Cheapflights users on 10/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/175:30 pmPDX - BKK
2 stops28h 05mSTARLUX Airlines
dom. 12/75:40 pmBKK - PDX
2 stops42h 40mSTARLUX Airlines
Deal found 10/29$798
This FlightHub deal was found by Cheapflights users on 10/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/45:30 pmPDX - BKK
2 stops32h 00mSTARLUX Airlines
jue. 11/205:40 pmBKK - PDX
2 stops45h 38mSTARLUX Airlines
Deal found 10/27$801
This IEagle deal was found by Cheapflights users on 10/28. 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 IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/3012:33 pmPDX - BKK
2 stops34h 02mMultiple Airlines
lun. 11/101:45 pmBKK - PDX
2 stops24h 52mMultiple Airlines
Deal found 10/28$802
This Expedia deal was found by Cheapflights users on 10/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/65:55 pmPDX - BKK
2 stops28h 10mMultiple Airlines
jue. 11/135:50 pmBKK - PDX
2 stops30h 50mMultiple Airlines
Deal found 10/28$803
This SmartFares deal was found by Cheapflights users on 10/28. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/12:50 pmPDX - BKK
2 stops31h 45mMultiple Airlines
lun. 11/35:40 pmBKK - PDX
2 stops42h 10mMultiple Airlines
Deal found 10/28$805
This SmartFares deal was found by Cheapflights users on 10/29. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/33:29 pmPDX - BKK
2 stops30h 36mMultiple Airlines
mar. 11/182:35 amBKK - PDX
2 stops33h 15mMultiple Airlines
Deal found 10/29$806
This IEagle deal was found by Cheapflights users on 10/28. 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 IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/155:55 pmPDX - BKK
2 stops27h 40mMultiple Airlines
sáb. 11/221:45 pmBKK - PDX
2 stops31h 33mMultiple Airlines
Deal found 10/28$807
This China Airlines deal was found by Cheapflights users on 10/28. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/45:41 pmPDX - BKK
2 stops25h 09mMultiple Airlines
mar. 12/165:50 pmBKK - PDX
2 stops30h 46mMultiple Airlines
Deal found 10/28$810
This SmartFares deal was found by Cheapflights users on 10/27. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/229:30 pmPDX - BKK
2 stops52h 00mMultiple Airlines
jue. 12/45:40 pmBKK - PDX
2 stops40h 22mMultiple Airlines
Deal found 10/27$812
This SmartFares deal was found by Cheapflights users on 10/27. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/23:30 pmPDX - BKK
2 stops30h 35mMultiple Airlines
mar. 11/112:35 amBKK - PDX
2 stops33h 15mMultiple Airlines
Deal found 10/27$823
This Mytrip deal was found by Cheapflights users on 10/27. 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.
mié. 11/269:50 amPDX - DMK
2 stops21h 15mMultiple Airlines
mié. 12/38:45 amDMK - PDX
2 stops24h 45mMultiple Airlines
Deal found 10/27$931

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to Thailand 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 octubre 29, 2025.
Use the filters below to find and compare flights from Portland to Thailand that are best for you.

Fly from

Portland

Fly to

Thailand

Route

Depart

Return

Price

PortlandBangkok

PDX - BKK

PDXBKK

Portland

dom. 11/2

10:30 am-1:35 am

2 stops24h 05m

Bangkok Suvarnabhumi

dom. 11/16

10:55 am-10:24 pm

2 stops26h 29m

$859

PortlandBangkok

PDX - BKK

PDXBKK

Portland

lun. 11/24

4:30 pm-9:50 am

2 stops26h 20m

Bangkok Suvarnabhumi

mar. 12/23

5:50 pm-9:38 am

2 stops30h 48m

$861

PortlandBangkok

PDX - BKK

PDXBKK

Portland

dom. 11/9

10:05 am-11:25 am

2 stops34h 20m

Bangkok Suvarnabhumi

mar. 11/18

4:55 pm-10:53 am

3 stops32h 58m

$868

PortlandBangkok

PDX - BKK

PDXBKK

Portland

mar. 11/4

7:30 am-11:25 am

2 stops36h 55m

Bangkok Suvarnabhumi

mar. 11/18

4:55 pm-10:53 am

3 stops32h 58m

$869

PortlandBangkok

PDX - BKK

PDXBKK

Portland

lun. 11/17

1:00 pm-11:25 am

2 stops55h 25m

Bangkok Suvarnabhumi

dom. 12/7

4:55 pm-11:03 am

3 stops33h 08m

$874

PortlandBangkok

PDX - BKK

PDXBKK

Portland

vie. 1/9

7:51 pm-11:25 am

2 stops48h 34m

Bangkok Suvarnabhumi

jue. 1/22

4:55 pm-12:33 pm

3 stops34h 38m

$874

PortlandBangkok

PDX - BKK

PDXBKK

Portland

vie. 1/9

1:35 pm-11:25 am

2 stops54h 50m

Bangkok Suvarnabhumi

mar. 1/27

4:55 pm-2:48 pm

3 stops36h 53m

$874

PortlandBangkok

PDX - BKK

PDXBKK

Portland

vie. 1/9

1:35 pm-11:25 am

2 stops54h 50m

Bangkok Suvarnabhumi

vie. 1/23

4:55 pm-2:46 pm

3 stops36h 51m

$875

PortlandBangkok

PDX - BKK

PDXBKK

Portland

dom. 11/2

7:38 pm-11:25 am

2 stops48h 47m

Bangkok Suvarnabhumi

dom. 11/16

4:55 pm-10:53 am

3 stops32h 58m

$875

PortlandBangkok

PDX - BKK

PDXBKK

Portland

mar. 11/25

6:00 am-11:25 am

3 stops62h 25m

Bangkok Suvarnabhumi

mar. 12/2

4:55 pm-6:41 pm

2 stops40h 46m

$884

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 58 results
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Best time to book a flight from Portland to Thailand

Have a flexible travel schedule? Discover the best time to fly to Thailand 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.

Cheapflights Insights

Everything you need to know about your flight from Portland to Thailand

What is the cheapest month to book a flight from Portland to Thailand?

Currently, July is the cheapest month in which you can book a flight from Portland to Thailand (average of $227). Flying from Portland to Thailand in June is currently the most expensive (average of $979). 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.

What is the cheapest time of day to fly from PDX to TH?

Find hourly flight availability from Portland to Thailand. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated octubre 29, 2025.

It’s optimal to fly from Portland to Thailand in the morning. By choosing this option you can save up to 33% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly from Portland to Thailand?

Use this chart to determine the cheapest time to fly round-trip from Portland to Thailand. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Portland to Thailand flight should consider departing on Tuesday at noon when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Thailand

Get insights into the airlines that provide service to Thailand. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Thailand. Reviews last updated octubre 29, 2025.
Get a feel of what it's like to fly with STARLUX Airlines, Korean Air, and ANA from Portland to Thailand by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
8.9
Very good
219 reviews

Boarding

8.9

Crew

9.2

Overall

8.9

Food

8.7

Entertainment

8.8

Comfort

8.9

Reviews

1 / 8
10.0
Excellent

Anonymous,Sep 2025

TPE - CRK

Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!
STARLUX Airlines
8.9
Very good
219 reviews
STARLUX Airlines
8.9
Very good
219 reviews

Boarding

8.9

Crew

9.2

Overall

8.9

Food

8.7

Entertainment

8.8

Comfort

8.9

Reviews

1 / 8
10.0
Excellent

Anonymous,Sep 2025

TPE - CRK

Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!
Korean Air
8.4
Very good
1,155 reviews
STARLUX Airlines
8.9
Very good
219 reviews

Boarding

8.9

Crew

9.2

Overall

8.9

Food

8.7

Entertainment

8.8

Comfort

8.9

Reviews

1 / 8
10.0
Excellent

Anonymous,Sep 2025

TPE - CRK

Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!
ANA
8.4
Very good
996 reviews
STARLUX Airlines
8.9
Very good
219 reviews

Boarding

8.9

Crew

9.2

Overall

8.9

Food

8.7

Entertainment

8.8

Comfort

8.9

Reviews

1 / 8
10.0
Excellent

Anonymous,Sep 2025

TPE - CRK

Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!
United Airlines
7.4
Good
8,998 reviews
STARLUX Airlines
8.9
Very good
219 reviews

Boarding

8.9

Crew

9.2

Overall

8.9

Food

8.7

Entertainment

8.8

Comfort

8.9

Reviews

1 / 8
10.0
Excellent

Anonymous,Sep 2025

TPE - CRK

Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!
Air Canada
7.1
Good
10,376 reviews
STARLUX Airlines
8.9
Very good
219 reviews

Boarding

8.9

Crew

9.2

Overall

8.9

Food

8.7

Entertainment

8.8

Comfort

8.9

Reviews

1 / 8
10.0
Excellent

Anonymous,Sep 2025

TPE - CRK

Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!

Related info for your journey

Find useful and relevant information for your journey from Portland to Thailand. 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 Thailand?

    Portland (PDX), located 6.0 mi from the city center, is the airport you fly out of when you book flights from Portland to Thailand.

  • How long is the flight from Portland to Thailand?

    Airlines like United Airlines, Korean Air, and Cathay Pacific fly from Portland to Thailand in about 24h 45m. The time it takes to get you to your destination can typically vary by up to 9h 35m. The distance from Portland to Thailand is about 7279 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Portland to Thailand one-way?

    For one-way options, check prices for STARLUX Airlines. According to our data, you can fly for as low as $397. Users have also found prices from $519 and $555 on Korean Air and China Eastern, respectively.

  • What are the most popular routes from Portland to Thailand?

    Most travelers choose Portland - Bangkok Suvarnabhumi, Portland - Bangkok Don Mueang Intl or Portland - Chiang Mai when deciding on the best route from Portland to Thailand.

  • Can I find deals for flights from Portland to Thailand that include hotel bookings?

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

  • How can I find direct flights from Portland to Thailand?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Thailand.

  • Can I find deals for business class flights from Portland to Thailand?

    Yes. Cheapflights offers flight deals from Portland to Thailand 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 Portland to Thailand?

    Currently, July is the cheapest month in which you can book a flight from Portland to Thailand (average of $227). Flying from Portland to Thailand in June is currently the most expensive (average of $979). 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.

See more FAQs

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Alternative routes for Portland to Thailand

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Portland to Thailand

Discover the top 10 airlines that operate flights from Portland to Thailand. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated octubre 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$227Average$1,207FlexibilityNo cancel feeOn-timeN/A
China EasternCheapest$750Average$899FlexibilityNo cancel feeOn-time62%
STARLUX AirlinesCheapest$774Average$956FlexibilityNo cancel feeOn-timeN/A
Japan AirlinesCheapest$776Average$964FlexibilityNo cancel feeOn-time79%
ANACheapest$793Average$983FlexibilityNo cancel feeOn-time80%
Korean AirCheapest$795Average$1,122FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$817Average$979FlexibilityNo cancel feeOn-time69%
Singapore AirlinesCheapest$820Average$1,228FlexibilityNo cancel feeOn-time81%
China AirlinesCheapest$837Average$916FlexibilityNo cancel feeOn-time70%
Qatar AirwaysCheapest$864Average$1,206FlexibilityNo cancel feeOn-time68%

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