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$360+ 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 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BKK
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
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 September 11, 2025.

Round-trip from

$802
(FlightHub)

One-way from

$360
(oojo)

Popular in

December

Cheapest in

August

Average price

$962
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 ($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 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 September 11, 2025.

This Delta deal was found by Cheapflights users on 9/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/115:15 amPDX - BKK
2 stops29h 50mDelta
Wed 10/12:35 amBKK - PDX
2 stops34h 07mDelta
Deal found 9/11$841
This oojo deal was found by Cheapflights users on 9/11. 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.
Wed 11/125:30 pmPDX - BKK
2 stops28h 05mSTARLUX Airlines
Tue 12/95:40 pmBKK - PDX
2 stops40h 15mSTARLUX Airlines
Deal found 9/11$844
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/148:31 amPDX - BKK
2 stops31h 19mJapan Airlines
Tue 9/1610:05 pmBKK - PDX
2 stops37h 11mJapan Airlines
Deal found 9/10$845
This Korean Air 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/197:15 amPDX - BKK
2 stops23h 15mKorean Air
Sun 4/1211:30 pmBKK - PDX
2 stops27h 47mKorean Air
Deal found 9/10$846
This Korean Air 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/135:01 pmPDX - CNX
2 stops38h 54mKorean Air
Sun 9/2111:15 pmCNX - PDX
2 stops29h 37mKorean Air
Deal found 9/9$846
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/38:10 pmPDX - BKK
2 stops30h 30mMultiple Airlines
Sun 10/191:10 pmBKK - PDX
2 stops23h 35mMultiple Airlines
Deal found 9/9$848
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/239:30 pmPDX - CNX
2 stops28h 50mSTARLUX Airlines
Tue 11/184:55 pmCNX - PDX
2 stops40h 54mSTARLUX Airlines
Deal found 9/9$849
This oojo deal was found by Cheapflights users on 9/11. 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.
Tue 9/235:36 pmPDX - BKK
2 stops28h 24mMultiple Airlines
Tue 9/305:50 pmBKK - PDX
2 stops29h 57mMultiple Airlines
Deal found 9/11$851
This oojo deal was found by Cheapflights users on 9/11. 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.
Wed 10/17:21 amPDX - BKK
2 stops36h 24mChina Airlines
Mon 10/62:40 amBKK - PDX
2 stops34h 05mChina Airlines
Deal found 9/11$858
This United Airlines deal was found by Cheapflights users on 9/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/283:54 pmPDX - BKK
3 stops29h 31mUnited Airlines
Thu 11/134:55 pmBKK - PDX
3 stops32h 58mUnited Airlines
Deal found 9/11$860
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/145:15 pmPDX - BKK
2 stops45h 20mUnited Airlines
Tue 10/284:55 pmBKK - PDX
3 stops39h 41mUnited Airlines
Deal found 9/10$861
This United Airlines deal was found by Cheapflights users on 9/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/176:00 amPDX - BKK
3 stops38h 25mUnited Airlines
Mon 12/14:55 pmBKK - PDX
2 stops40h 46mUnited Airlines
Deal found 9/11$864

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 September 11, 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

Mon 11/17

9:15 am-11:20 pm

2 stops23h 05m

Bangkok Suvarnabhumi

Mon 4/13

9:40 pm-11:53 pm

2 stops40h 13m

$841

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 11/18

5:14 am-12:45 am

2 stops28h 31m

Bangkok Suvarnabhumi

Mon 4/13

9:40 pm-8:49 pm

2 stops37h 09m

$841

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Wed 9/17

9:17 am-1:05 am

2 stops25h 48m

Bangkok Suvarnabhumi

Mon 9/22

2:35 am-11:52 pm

2 stops35h 17m

$841

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 11/18

7:15 am-12:45 am

2 stops26h 30m

Bangkok Suvarnabhumi

Wed 4/15

9:40 pm-4:33 pm

2 stops32h 53m

$841

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 11/18

7:15 am-1:25 pm

2 stops39h 10m

Bangkok Suvarnabhumi

Mon 3/2

12:55 am-4:29 pm

2 stops30h 34m

$846

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 11/17

5:17 pm-9:30 pm

2 stops37h 13m

Bangkok Suvarnabhumi

Sun 4/12

11:30 pm-1:17 pm

2 stops27h 47m

$846

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Sun 11/2

7:30 am-9:30 pm

2 stops23h 00m

Bangkok Suvarnabhumi

Sat 11/15

12:55 am-1:18 pm

2 stops27h 23m

$846

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 10/20

9:17 am-1:05 am

2 stops25h 48m

Bangkok Suvarnabhumi

Sun 11/2

12:55 am-4:45 pm

2 stops30h 50m

$846

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 11/4

7:30 am-1:25 pm

2 stops38h 55m

Bangkok Suvarnabhumi

Mon 11/17

12:55 am-4:22 pm

2 stops30h 27m

$846

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 11/17

7:15 am-11:20 pm

2 stops25h 05m

Bangkok Suvarnabhumi

Sat 4/18

9:40 pm-1:17 pm

2 stops29h 37m

$846

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

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, September is the cheapest month in which you can book a flight from Portland to Thailand (average of $908). Flying from Portland to Thailand in December is currently the most expensive (average of $1,518). 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 September 11, 2025.

When flying from Portland to Thailand, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 September 11, 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
211 reviews

Comfort

8.9

Entertainment

8.9

Overall

8.9

Food

8.8

Crew

9.2

Boarding

9.0

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
STARLUX Airlines
8.9
Very good
211 reviews
STARLUX Airlines
8.9
Very good
211 reviews

Comfort

8.9

Entertainment

8.9

Overall

8.9

Food

8.8

Crew

9.2

Boarding

9.0

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
Korean Air
8.4
Very good
1,139 reviews
STARLUX Airlines
8.9
Very good
211 reviews

Comfort

8.9

Entertainment

8.9

Overall

8.9

Food

8.8

Crew

9.2

Boarding

9.0

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
ANA
8.4
Very good
961 reviews
STARLUX Airlines
8.9
Very good
211 reviews

Comfort

8.9

Entertainment

8.9

Overall

8.9

Food

8.8

Crew

9.2

Boarding

9.0

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
Japan Airlines
8.3
Very good
1,559 reviews
STARLUX Airlines
8.9
Very good
211 reviews

Comfort

8.9

Entertainment

8.9

Overall

8.9

Food

8.8

Crew

9.2

Boarding

9.0

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
Air Canada
7.1
Good
10,000 reviews
STARLUX Airlines
8.9
Very good
211 reviews

Comfort

8.9

Entertainment

8.9

Overall

8.9

Food

8.8

Crew

9.2

Boarding

9.0

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

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 Delta, Korean Air, and STARLUX Airlines fly from Portland to Thailand in about 23h 05m. The time it takes to get you to your destination can typically vary by up to 6h 38m. The distance from Portland to Thailand is about 7525 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 Philippine Airlines. According to our data, you can fly for as low as $360. Users have also found prices from $459 and $777 on Korean Air and Delta, respectively.

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

    Most travelers choose Portland - Bangkok Suvarnabhumi, Portland - Chiang Mai or Portland - Phuket City 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, September is the cheapest month in which you can book a flight from Portland to Thailand (average of $908). Flying from Portland to Thailand in December is currently the most expensive (average of $1,518). 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.
Portland to Narita flights
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Portland to Ahmedabad flights
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Portland to Cebu City flights
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Portland to Kobe flights
Redmond to Suvarnabhumi flights
Boise to Manila flights
Portland to Okinawa flights
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Eugene to Manila flights

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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$227Average$1,260FlexibilityNo cancel feeOn-timeN/A
China EasternCheapest$750Average$871FlexibilityNo cancel feeOn-time62%
Japan AirlinesCheapest$782Average$997FlexibilityNo cancel feeOn-time79%
Korean AirCheapest$789Average$1,303FlexibilityNo cancel feeOn-time81%
ANACheapest$796Average$980FlexibilityNo cancel feeOn-time80%
United AirlinesCheapest$817Average$1,006FlexibilityNo cancel feeOn-time69%
Singapore AirlinesCheapest$820Average$1,092FlexibilityNo cancel feeOn-time81%
STARLUX AirlinesCheapest$832Average$961FlexibilityNo cancel feeOn-timeN/A
China AirlinesCheapest$837Average$909FlexibilityNo cancel feeOn-time70%
Qatar AirwaysCheapest$864Average$1,206FlexibilityNo cancel feeOn-time68%

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