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$450+ 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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BKK
May 5 — May 121
Mon 5/5
Mon 5/12
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 April 30, 2025.

Round-trip from

$909
(StudentUniverse)

One-way from

$450
(FlightHub)

Popular in

June

Cheapest in

September

Average price

$996
From Portland to Thailand
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One-way flight from Portland to Thailand
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($249 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($50 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 30, 2025.

This StudentUniverse deal was found by Cheapflights users on 4/29. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/27:21 amPDX - HKT
2 stops25h 24mMultiple Airlines
Fri 6/1311:05 pmHKT - PDX
2 stops31h 45mMultiple Airlines
Deal found 4/29$909
This oojo deal was found by Cheapflights users on 4/29. 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.
Thu 8/281:24 pmPDX - HKT
2 stops28h 26mQatar Airways
Tue 9/29:20 amHKT - PDX
2 stops44h 43mQatar Airways
Deal found 4/29$918
This FlightHub deal was found by Cheapflights users on 4/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/238:37 pmPDX - CNX
2 stops29h 43mSTARLUX Airlines
Tue 9/305:20 pmCNX - PDX
2 stops39h 50mSTARLUX Airlines
Deal found 4/29$932
This Expedia deal was found by Cheapflights users on 4/28. 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.
Wed 8/67:00 amPDX - CNX
2 stops26h 40mMultiple Airlines
Tue 8/2612:45 amCNX - PDX
2 stops33h 45mMultiple Airlines
Deal found 4/28$945
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/45:45 amPDX - BKK
3 stops38h 05mUnited Airlines
Tue 11/119:25 amBKK - PDX
2 stops49h 40mUnited Airlines
Deal found 4/29$960
This KAYAK deal was found by Cheapflights users on 4/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/106:00 amPDX - CNX
2 stops26h 05mKorean Air
Tue 12/212:15 amCNX - PDX
2 stops31h 51mKorean Air
Deal found 4/29$960
This Qatar Airways deal was found by Cheapflights users on 4/27. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/510:40 amPDX - BKK
2 stops35h 10mQatar Airways
Wed 2/186:55 pmBKK - PDX
2 stops43h 58mQatar Airways
Deal found 4/27$963
This China Airlines deal was found by Cheapflights users on 4/28. 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.
Thu 7/317:35 pmPDX - BKK
2 stops26h 35mMultiple Airlines
Tue 9/22:40 amBKK - PDX
2 stops31h 50mMultiple Airlines
Deal found 4/28$964
This FlightHub deal was found by Cheapflights users on 4/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/49:59 pmPDX - BKK
2 stops24h 01mSTARLUX Airlines
Mon 8/181:10 pmBKK - PDX
2 stops23h 46mSTARLUX Airlines
Deal found 4/29$973
This oojo deal was found by Cheapflights users on 4/29. 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.
Mon 11/106:00 amPDX - CNX
2 stops37h 25mChina Airlines
Wed 12/311:25 amCNX - PDX
2 stops26h 54mChina Airlines
Deal found 4/29$992
This Gurufare deal was found by Cheapflights users on 4/28. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/3010:00 amPDX - BKK
2 stops28h 35mANA
Wed 9/39:35 pmBKK - PDX
2 stops31h 07mANA
Deal found 4/28$993
This Delta deal was found by Cheapflights users on 4/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/285:30 amPDX - BKK
2 stops29h 35mDelta
Sat 9/62:35 amBKK - PDX
2 stops28h 32mDelta
Deal found 4/28$995

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 April 30, 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

PortlandPhuket City

PDX - HKT

PDXHKT

Portland

Mon 6/2

7:21 am-10:45 pm

2 stops25h 24m

Phuket City

Fri 6/13

11:05 pm-4:50 pm

2 stops31h 45m

$909

PortlandPhuket City

PDX - HKT

PDXHKT

Portland

Thu 8/28

1:24 pm-7:50 am

2 stops28h 26m

Phuket City

Tue 9/2

9:20 am-4:03 pm

2 stops44h 43m

$918

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Tue 9/23

8:37 pm-4:20 pm

2 stops29h 43m

Chiang Mai

Tue 9/30

5:20 pm-7:10 pm

2 stops39h 50m

$932

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Wed 8/6

7:00 am-11:40 pm

2 stops26h 40m

Chiang Mai

Tue 8/26

12:45 am-8:30 pm

2 stops33h 45m

$945

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 8/12

11:04 am-1:05 am

2 stops24h 01m

Bangkok Suvarnabhumi

Wed 8/27

9:50 am-10:18 pm

2 stops26h 28m

$960

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Thu 7/31

7:35 pm-12:10 pm

2 stops26h 35m

Bangkok Suvarnabhumi

Tue 9/2

2:40 am-8:30 pm

2 stops31h 50m

$964

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 8/4

9:59 pm-12:00 pm

2 stops24h 01m

Bangkok Suvarnabhumi

Mon 8/18

1:10 pm-10:56 pm

2 stops23h 46m

$973

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Wed 10/8

10:40 am-6:55 am

2 stops30h 15m

Bangkok Suvarnabhumi

Tue 10/14

2:30 am-11:53 pm

2 stops35h 23m

$980

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Wed 7/30

10:00 am-4:35 am

2 stops28h 35m

Bangkok Suvarnabhumi

Wed 9/3

9:35 pm-2:42 pm

2 stops31h 07m

$993

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Thu 8/28

5:30 am-1:05 am

2 stops29h 35m

Bangkok Suvarnabhumi

Sat 9/6

2:35 am-5:07 pm

2 stops28h 32m

$995

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 53 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, March is the cheapest month in which you can book a flight from Portland to Thailand (average of $958). Flying from Portland to Thailand in December is currently the most expensive (average of $1,574). 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 April 30, 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.

Rainfall in Thailand by month

Plan your trip to Thailand by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Thailand ranges from 0.4 - 12.6 inches per month. September is typically the wettest month, when rainfall can reach 12.6 in. January is typically the driest time to visit Thailand when rainfall is around 0.4 in.

Temperature in Thailand by month

Plan your trip to Thailand by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Thailand, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 86.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 78.8 F).

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 April 30, 2025.
Peruse reviews from past customers who have flown with STARLUX Airlines, EVA Air and Korean Air from Portland to Thailand to help guide your decision. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.1
Wonderful
161 reviews

Comfort

9.0

Food

8.9

Entertainment

9.0

Crew

9.3

Boarding

9.0

Overall

9.1

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
STARLUX Airlines
9.1
Wonderful
161 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Comfort

9.0

Food

8.9

Entertainment

9.0

Crew

9.3

Boarding

9.0

Overall

9.1

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
EVA Air
8.4
Very good
1,186 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Comfort

9.0

Food

8.9

Entertainment

9.0

Crew

9.3

Boarding

9.0

Overall

9.1

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
Korean Air
8.4
Very good
1,066 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Comfort

9.0

Food

8.9

Entertainment

9.0

Crew

9.3

Boarding

9.0

Overall

9.1

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
Japan Airlines
8.3
Very good
1,459 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Comfort

9.0

Food

8.9

Entertainment

9.0

Crew

9.3

Boarding

9.0

Overall

9.1

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
China Airlines
8.3
Very good
729 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Comfort

9.0

Food

8.9

Entertainment

9.0

Crew

9.3

Boarding

9.0

Overall

9.1

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.

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.

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

    For one-way options, check prices for Qatar Airways. According to our data, you can fly for as low as $450. Users have also found prices from $598 and $637 on China Eastern and ANA, 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, March is the cheapest month in which you can book a flight from Portland to Thailand (average of $958). Flying from Portland to Thailand in December is currently the most expensive (average of $1,574). 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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Eugene to Suvarnabhumi flights
Portland to Okinawa flights
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Portland to Pu Dong flights
Portland to Hyderabad flights
Portland to Bangalore flights
Portland to Capital flights
Boise to Manila flights
Portland to Soekarno-Hatta Intl flights
Redmond to Suvarnabhumi flights
Portland to Chennai flights
Portland to Angeles City flights
Portland to Malé flights
Portland to Cebu City flights
Portland to Islamabad flights
Portland to Don Mueang Intl flights
Medford 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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$479Average$1,112FlexibilityNo cancel feeOn-time81%
China EasternCheapest$750Average$871FlexibilityNo cancel feeOn-time62%
Qatar AirwaysCheapest$866Average$1,499FlexibilityNo cancel feeOn-time68%
Air CanadaCheapest$928Average$1,189FlexibilityNo cancel feeOn-time67%
Japan AirlinesCheapest$930Average$994FlexibilityNo cancel feeOn-time79%
ANACheapest$933Average$1,051FlexibilityNo cancel feeOn-time80%
STARLUX AirlinesCheapest$933Average$977FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$966Average$1,015FlexibilityNo cancel feeOn-time69%
DeltaCheapest$991Average$1,329FlexibilityNo cancel feeOn-timeN/A
Cathay PacificCheapest$1,053Average$1,623FlexibilityNo cancel feeOn-time72%

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