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$451+ Cheap flights from Portland (PDX) to Bangkok

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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BKK
Apr 27 — Mai 41
So 4/27
So 5/4
1 adult, Economy
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Cheapflights Tip: The best prices from Portland to Bangkok are usually found in September or April, booked 64 days in advance, depart on a Monday or Tuesday and return on a Tuesday

Cheap flight deals from Portland to Bangkok

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Bangkok (TH1). 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 April 22, 2025.

Round-trip from

$963
(Qatar Airways)

One-way from

$451
(FlightHub)

Popular in

June

Cheapest in

September

Average price

$999
From Portland to Bangkok
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One-way flight from Portland to Bangkok
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Highest demand for flights based on searches. 17% potential increase in price ($258 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 Bangkok

Cheapest flights from Portland to Bangkok
Explore the most affordable flight options available from Portland to Bangkok. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.

This Qatar Airways deal was found by Cheapflights users on 4/21. 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.
Fr 9/191:24 pmPDX - BKK
2 stops26h 51mQatar Airways
Di 9/232:30 amBKK - PDX
2 stops35h 29mQatar Airways
Deal found 4/21$963
This Justfly.com deal was found by Cheapflights users on 4/21. 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.
So 11/307:45 pmPDX - BKK
2 stops25h 50mSTARLUX Airlines
So 2/11:45 pmBKK - PDX
2 stops20h 08mSTARLUX Airlines
Deal found 4/21$964
This United Airlines deal was found by Cheapflights users on 4/21. 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.
So 9/217:45 amPDX - BKK
2 stops54h 50mUnited Airlines
Do 9/259:35 amBKK - PDX
2 stops27h 02mUnited Airlines
Deal found 4/21$968
This China Airlines deal was found by Cheapflights users on 4/21. 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.
Do 7/319:59 pmPDX - BKK
2 stops24h 11mMultiple Airlines
Di 9/22:40 amBKK - PDX
2 stops31h 51mMultiple Airlines
Deal found 4/21$971
This oojo deal was found by Cheapflights users on 4/21. 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.
Di 4/299:34 pmPDX - BKK
2 stops37h 51mChina Airlines
Do 5/82:40 amBKK - PDX
2 stops31h 57mChina Airlines
Deal found 4/21$989
This Delta deal was found by Cheapflights users on 4/21. 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.
Fr 11/287:10 amPDX - BKK
2 stops26h 35mDelta
Mi 1/289:40 amBKK - PDX
2 stops24h 31mDelta
Deal found 4/21$995
This Korean Air deal was found by Cheapflights users on 4/21. 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.
Fr 9/269:10 amPDX - BKK
2 stops22h 35mKorean Air
Mi 10/152:35 amBKK - PDX
2 stops24h 44mKorean Air
Deal found 4/21$1,001
This oojo deal was found by Cheapflights users on 4/21. 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.
Di 10/79:30 pmPDX - BKK
2 stops23h 30mEVA Air
Di 10/211:35 amBKK - PDX
2 stops25h 44mEVA Air
Deal found 4/21$1,003
This oojo deal was found by Cheapflights users on 4/21. 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.
Mo 5/195:55 pmPDX - BKK
2 stops26h 05mCathay Pacific
Mo 5/264:25 pmBKK - PDX
2 stops31h 03mCathay Pacific
Deal found 4/21$1,012
This KAYAK deal was found by Cheapflights users on 4/21. 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.
Mo 7/1410:00 amPDX - BKK
2 stops30h 00mANA
Mo 9/229:35 amBKK - PDX
2 stops23h 11mANA
Deal found 4/21$1,014
This Air Canada deal was found by Cheapflights users on 4/21. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mo 12/110:10 amPDX - BKK
1 stop29h 05mAir Canada
Do 12/118:00 amBKK - PDX
2 stops21h 44mAir Canada
Deal found 4/21$1,109
This FlightHub deal was found by Cheapflights users on 4/21. 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.
Mo 12/159:30 pmPDX - BKK
2 stops31h 30mSingapore Airlines
Di 2/38:00 pmBKK - PDX
2 stops32h 19mSingapore Airlines
Deal found 4/21$1,117

Cheapflights Fare Finder

Customize your flight search to find flights from Portland to Bangkok 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 22, 2025.
Use the filters below to find and compare flights from Portland to Bangkok that are best for you.

Fly from

Portland

Fly to

Bangkok

Route

Depart

Return

Price

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Fr 9/19

1:24 pm-6:15 am

2 stops26h 51m

Bangkok Suvarnabhumi

Di 9/23

2:30 am-11:59 pm

2 stops35h 29m

$963

PortlandBangkok

PDX - BKK

PDXBKK

Portland

So 9/21

5:10 pm-11:25 pm

2 stops40h 15m

Bangkok Suvarnabhumi

Do 10/16

9:50 am-10:20 pm

2 stops26h 30m

$968

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Do 7/31

9:59 pm-12:10 pm

2 stops24h 11m

Bangkok Suvarnabhumi

Di 9/2

2:40 am-8:31 pm

2 stops31h 51m

$971

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mo 8/11

7:35 pm-4:35 am

2 stops43h 00m

Bangkok Suvarnabhumi

Mo 8/18

9:35 am-8:37 pm

2 stops49h 02m

$973

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mo 5/12

6:55 pm-9:45 am

2 stops24h 50m

Bangkok Suvarnabhumi

Sa 6/7

5:30 pm-7:18 am

2 stops27h 48m

$990

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Fr 9/12

9:10 am-9:45 pm

2 stops22h 35m

Bangkok Suvarnabhumi

So 9/14

2:35 am-8:49 pm

2 stops32h 14m

$995

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Di 10/7

9:30 pm-11:00 am

2 stops23h 30m

Bangkok Suvarnabhumi

Di 10/21

1:35 am-1:19 pm

2 stops25h 44m

$1,003

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mo 5/19

5:55 pm-10:00 am

2 stops26h 05m

Bangkok Suvarnabhumi

Mo 5/26

4:25 pm-9:28 am

2 stops31h 03m

$1,012

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mo 7/14

10:00 am-6:00 am

2 stops30h 00m

Bangkok Suvarnabhumi

Mo 9/22

9:35 am-6:46 pm

2 stops23h 11m

$1,014

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mi 7/30

7:00 am-8:35 am

3 stops35h 35m

Bangkok Suvarnabhumi

Mi 9/3

8:10 pm-1:50 pm

2 stops31h 40m

$1,161

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/21

Showing 1-10 of 24 results
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Best time to book a flight from Portland to Bangkok

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

How far ahead should I book a flight from Portland to Bangkok?

Use this chart to determine the optimal time to book a round-trip flight from Portland to Bangkok. Price data was last updated on April 18, 2025.

Booking 64 days in advance of your planned departure date is, on average, the best time to get cheap flights from Portland to Bangkok. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, March is the cheapest month in which you can book a flight from Portland to Bangkok (average of $958). Flying from Portland to Bangkok 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 BKK?

Find hourly flight availability from Portland to Bangkok. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 22, 2025.

It’s typically best to fly out from Portland to Bangkok in the evening. Doing so could potentially save you 43% on the flight price compared to flying at noon, which is usually more expensive.

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

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

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

Rainfall in Bangkok by month

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

In terms of precipitation, rainfall in Bangkok 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 Bangkok when rainfall is around 0.4 in.

Temperature in Bangkok by month

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

If weather is an important factor for your trip to Bangkok, 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 Bangkok

Get insights into the airlines that provide service to Bangkok. 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 Bangkok. Reviews last updated April 22, 2025.
Peruse reviews from past customers who have flown with STARLUX Airlines, EVA Air and Korean Air from Portland to Bangkok to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.1
Wonderful
157 reviews

Comfort

9.0

Crew

9.3

Overall

9.1

Entertainment

9.0

Food

8.9

Boarding

9.0

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
157 reviews
STARLUX Airlines
9.1
Wonderful
157 reviews

Comfort

9.0

Crew

9.3

Overall

9.1

Entertainment

9.0

Food

8.9

Boarding

9.0

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
1,179 reviews
STARLUX Airlines
9.1
Wonderful
157 reviews

Comfort

9.0

Crew

9.3

Overall

9.1

Entertainment

9.0

Food

8.9

Boarding

9.0

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
1,062 reviews
STARLUX Airlines
9.1
Wonderful
157 reviews

Comfort

9.0

Crew

9.3

Overall

9.1

Entertainment

9.0

Food

8.9

Boarding

9.0

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
727 reviews
STARLUX Airlines
9.1
Wonderful
157 reviews

Comfort

9.0

Crew

9.3

Overall

9.1

Entertainment

9.0

Food

8.9

Boarding

9.0

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.
ANA
8.3
Very good
847 reviews
STARLUX Airlines
9.1
Wonderful
157 reviews

Comfort

9.0

Crew

9.3

Overall

9.1

Entertainment

9.0

Food

8.9

Boarding

9.0

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 Bangkok. 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?

    Most people fly from Portland (PDX) if they book a flight from Portland to Bangkok. On average, Portland has 0 outbound flights to Bangkok per day from 12 airlines. Portland is conveniently located just 6.0 mi from Portland’s city center.

  • What are the cheapest airlines flying from Portland to Bangkok round-trip?

    Qatar Airways, at $963, was found to be the cheapest airline from Portland to Bangkok.Alternate airlines to your destination round-trip include United Airlines and China Airlines. These flights start at 19% lower than the current average price 3 months from now.

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

    $451 is the cheapest one-way deal found within the past few days, from Qatar Airways. You may also be able to find cheap deals on United Airlines and Air Canada, with prices starting from $555 and $627, respectively.

  • Where are the most common layover locations when flying from Portland to Bangkok?

    The most popular layover on flights from Portland to Bangkok is Vancouver. Vancouver is followed by Seattle in terms of the most popular layover location on flights from Portland to Bangkok. Tokyo ranks third in terms of the most popular layover location on Portland to Bangkok flights.

  • What are some popular things to do or see while on a layover in Vancouver?

    Pacific Central Station, Queen Elizabeth Theatre, and Vancouver Harbour Centre are the most popular attractions in Vancouver if you're in need of something to do during your layover. Pacific Central Station, Queen Elizabeth Theatre, and Vancouver Harbour Centre can be accessed by traveling approximately 6.6 mi, 6.6 mi, and 6.9 mi, respectively from Vancouver Intl. Travelers in need of a car in Vancouver can rent one for about $39 per day.

  • What are some popular points of interest to see during a layover in Seattle?

    The majority of Seattle visitors spend their time at Pike Place Market, Space Needle, and Seattle Waterfront. Pike Place Market, Space Needle, and Seattle Waterfront are located about 11.2 mi, 12.0 mi, and 10.9 mi, respectively from Seattle/Tacoma Intl. Travelers in need of a car in Seattle can rent one for about $49 per day.

  • What are points of interest worth seeing during a layover in Tokyo?

    The majority of Tokyo visitors spend their time at Akihabara Electric Town, Tsukiji Outer Market, and Tokyo Tower. Akihabara Electric Town, Tsukiji Outer Market, and Tokyo Tower are located about 34.6 mi, 35.3 mi, and 36.7 mi, respectively from Tokyo Narita. Those looking to explore during their layover in Tokyo can rent a car from Tokyo Narita for about $59 per day.

  • Where are the least popular layover locations for Portland to Bangkok flights?

    Flights departing from Portland and landing in Bangkok layover in Seoul least frequently. San Francisco sees the second fewest layovers for non-direct flights flying from Portland to Bangkok.

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

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

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

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

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

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

    Currently, March is the cheapest month in which you can book a flight from Portland to Bangkok (average of $958). Flying from Portland to Bangkok 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

Browse thousands of different options on Cheapflights for your next trip

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Top 10 airlines flying from Portland to Bangkok

Discover the top 10 airlines that operate flights from Portland to Bangkok. 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 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest$750Average$871FlexibilityNo cancel feeOn-time62%
Qatar AirwaysCheapest$866Average$1,460FlexibilityNo cancel feeOn-time68%
Air CanadaCheapest$928Average$1,188FlexibilityNo cancel feeOn-time67%
Japan AirlinesCheapest$930Average$993FlexibilityNo cancel feeOn-time79%
ANACheapest$933Average$1,051FlexibilityNo cancel feeOn-time80%
STARLUX AirlinesCheapest$933Average$977FlexibilityNo cancel feeOn-timeN/A
Singapore AirlinesCheapest$944Average$1,113FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$966Average$1,015FlexibilityNo cancel feeOn-time69%
DeltaCheapest$991Average$1,354FlexibilityNo cancel feeOn-timeN/A
Cathay PacificCheapest$1,053Average$1,359FlexibilityNo cancel feeOn-time72%

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