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$451+ 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 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BKK
Apr 16 — Apr 231
Wed 4/16
Wed 4/23
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 11, 2025.

Round-trip from

$960
(FlightHub)

One-way from

$451
(FlightHub)

Popular in

June

Cheapest in

September

Average price

$994
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. 16% potential increase in price ($241 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 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 11, 2025.

This FlightHub deal was found by Cheapflights users on 4/10. 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.
Mon 11/36:00 amPDX - HKT
2 stops39h 55mQatar Airways
Sun 11/1612:50 amHKT - PDX
2 stops38h 03mQatar Airways
Deal found 4/10$932
This FlightHub deal was found by Cheapflights users on 4/10. 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.
Mon 8/257:00 amPDX - BKK
2 stops32h 50mJapan Airlines
Sun 9/2112:25 amBKK - PDX
2 stops35h 05mJapan Airlines
Deal found 4/10$960
This StudentUniverse deal was found by Cheapflights users on 4/10. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/37:30 amPDX - HKT
2 stops35h 40mSingapore Airlines
Mon 11/178:10 pmHKT - PDX
2 stops32h 09mSingapore Airlines
Deal found 4/10$961
This Gurufare deal was found by Cheapflights users on 4/11. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/237:36 pmPDX - CNX
2 stops30h 44mSTARLUX Airlines
Tue 9/305:20 pmCNX - PDX
2 stops41h 05mSTARLUX Airlines
Deal found 4/11$962
This China Airlines deal was found by Cheapflights users on 4/10. 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 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 stops24h 10mMultiple Airlines
Tue 9/22:40 amBKK - PDX
2 stops31h 51mMultiple Airlines
Deal found 4/10$963
This Qatar Airways deal was found by Cheapflights users on 4/10. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/291:15 pmPDX - BKK
2 stops27h 00mQatar Airways
Fri 5/99:05 amBKK - PDX
2 stops49h 51mQatar Airways
Deal found 4/10$965
This Korean Air deal was found by Cheapflights users on 4/10. 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.
Sun 11/235:10 pmPDX - BKK
2 stops53h 05mKorean Air
Sun 11/309:40 amBKK - PDX
2 stops46h 26mKorean Air
Deal found 4/10$966
This Expedia deal was found by Cheapflights users on 4/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/309:30 pmPDX - CNX
2 stops46h 50mMultiple Airlines
Sat 9/1311:20 amCNX - PDX
2 stops26h 39mMultiple Airlines
Deal found 4/10$978
This United deal was found by Cheapflights users on 4/10. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/288:00 amPDX - BKK
3 stops50h 05mUnited Airlines
Thu 11/137:10 amBKK - PDX
2 stops22h 32mUnited Airlines
Deal found 4/10$979
This Fareboom deal was found by Cheapflights users on 4/10. 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 Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/309:30 pmPDX - CNX
2 stops36h 10mAsiana Airlines
Fri 9/1212:45 amCNX - PDX
2 stops29h 45mAsiana Airlines
Deal found 4/10$986
This Delta deal was found by Cheapflights users on 4/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/215:30 amPDX - BKK
2 stops28h 15mDelta
Sun 11/301:00 amBKK - PDX
2 stops34h 49mDelta
Deal found 4/10$994
This Justfly.com deal was found by Cheapflights users on 4/11. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/139:10 amPDX - CNX
2 stops22h 45mKorean Air
Sun 9/2111:15 pmCNX - PDX
2 stops31h 51mKorean Air
Deal found 4/11$999

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 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

Tue 4/29

1:15 pm-6:15 am

2 stops27h 00m

Bangkok Suvarnabhumi

Fri 5/9

9:05 am-8:56 pm

2 stops49h 51m

$965

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 4/28

5:00 am-11:55 pm

2 stops28h 55m

Bangkok Suvarnabhumi

Mon 5/5

7:00 am-6:17 pm

2 stops25h 17m

$966

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Wed 4/30

5:50 pm-9:45 am

2 stops25h 55m

Bangkok Suvarnabhumi

Wed 5/7

5:30 pm-8:31 am

2 stops29h 01m

$983

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 5/13

6:55 pm-10:00 am

2 stops25h 05m

Bangkok Suvarnabhumi

Sun 5/18

4:25 pm-9:28 am

2 stops31h 03m

$1,019

PortlandBangkok

PDX - DMK

PDXDMK

Portland

Thu 5/8

6:15 am-10:00 pm

2 stops25h 45m

Bangkok Don Mueang Intl

Thu 5/15

6:20 am-2:40 pm

3 stops22h 20m

$1,051

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 5/12

7:42 pm-12:00 pm

2 stops26h 18m

Bangkok Suvarnabhumi

Sat 6/7

1:10 pm-8:48 pm

2 stops21h 38m

$1,076

PortlandPhuket City

PDX - HKT

PDXHKT

Portland

Sun 5/4

7:00 am-10:50 am

2 stops37h 50m

Phuket City

Sun 5/11

6:20 pm-9:31 am

2 stops29h 11m

$1,102

PortlandPhuket City

PDX - HKT

PDXHKT

Portland

Thu 5/1

10:35 am-7:50 am

2 stops31h 15m

Phuket City

Wed 5/7

11:30 pm-2:40 pm

2 stops29h 10m

$1,104

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Thu 5/8

8:45 pm-10:25 am

2 stops23h 40m

Bangkok Suvarnabhumi

Wed 5/14

1:35 am-1:36 pm

2 stops26h 01m

$1,107

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Sat 5/10

5:50 pm-10:25 am

2 stops26h 35m

Chiang Mai

Sat 5/24

11:35 am-7:18 am

2 stops33h 43m

$1,109

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/10

Showing 1-10 of 40 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 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.

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 11, 2025.
Peruse reviews from past customers who have flown with STARLUX Airlines, EVA Air and Japan Airlines 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
152 reviews

Entertainment

9.0

Food

8.9

Boarding

9.0

Comfort

9.0

Crew

9.3

Overall

9.1

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
STARLUX Airlines
9.1
Wonderful
152 reviews
STARLUX Airlines
9.1
Wonderful
152 reviews

Entertainment

9.0

Food

8.9

Boarding

9.0

Comfort

9.0

Crew

9.3

Overall

9.1

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
EVA Air
8.4
Very good
1,172 reviews
STARLUX Airlines
9.1
Wonderful
152 reviews

Entertainment

9.0

Food

8.9

Boarding

9.0

Comfort

9.0

Crew

9.3

Overall

9.1

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
Japan Airlines
8.3
Very good
1,440 reviews
STARLUX Airlines
9.1
Wonderful
152 reviews

Entertainment

9.0

Food

8.9

Boarding

9.0

Comfort

9.0

Crew

9.3

Overall

9.1

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
ANA
8.3
Very good
835 reviews
STARLUX Airlines
9.1
Wonderful
152 reviews

Entertainment

9.0

Food

8.9

Boarding

9.0

Comfort

9.0

Crew

9.3

Overall

9.1

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
Asiana Airlines
8.2
Very good
438 reviews
STARLUX Airlines
9.1
Wonderful
152 reviews

Entertainment

9.0

Food

8.9

Boarding

9.0

Comfort

9.0

Crew

9.3

Overall

9.1

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

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 $451. Users have also found prices from $630 and $690 on Cathay Pacific and Air Canada, 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, 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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Portland to Haneda flights
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Portland to Hongqiao Intl flights
Boise to Manila flights
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Eugene to Suvarnabhumi flights
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Portland to Pu Dong flights
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Portland to Chitose flights
Portland to Hanoi flights
Boise to Denpasar flights
Portland to Guangzhou flights
Boise to Ho Chi Minh City flights
Portland to Chennai flights
Redmond to Suvarnabhumi flights
Portland to Tbilisi flights
Eugene to Incheon Intl flights
Medford to Manila flights
Portland to Okinawa flights
Portland to Lahore flights
Boise to Okinawa 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 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$479Average$1,129FlexibilityNo cancel feeOn-time81%
China EasternCheapest$750Average$871FlexibilityNo cancel feeOn-time62%
Qatar AirwaysCheapest$866Average$1,492FlexibilityNo cancel feeOn-time68%
Air CanadaCheapest$928Average$1,188FlexibilityNo cancel feeOn-time67%
Japan AirlinesCheapest$930Average$997FlexibilityNo cancel feeOn-time79%
ANACheapest$933Average$1,051FlexibilityNo cancel feeOn-time80%
STARLUX AirlinesCheapest$933Average$982FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$966Average$1,016FlexibilityNo cancel feeOn-time69%
DeltaCheapest$992Average$1,329FlexibilityNo cancel feeOn-timeN/A
Cathay PacificCheapest$1,053Average$1,627FlexibilityNo cancel feeOn-time72%

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