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$426+ 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 3/12. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BKK
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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The best prices from Portland to Bangkok are usually found in September or February, 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 February 20, 2025.

Round-trip from

$954
(China Airlines)

One-way from

$426
(oojo)

Popular in

June

Cheapest in

September

Average price

$1,050
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. 15% potential increase in price ($223 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($45 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 20, 2025.

This Justfly.com deal was found by Cheapflights users on 2/20. 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.
Tue 4/158:59 pmPDX - BKK
2 stops25h 01mSTARLUX Airlines
Thu 5/151:10 pmBKK - PDX
2 stops19h 50mSTARLUX Airlines
Deal found 2/20$958
This Gurufare deal was found by Cheapflights users on 2/19. 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 8/57:47 amPDX - BKK
2 stops26h 08mANA
Wed 8/277:00 amBKK - PDX
2 stops21h 42mANA
Deal found 2/19$959
This FlightHub deal was found by Cheapflights users on 2/20. 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 9/2910:40 amPDX - BKK
2 stops36h 15mQatar Airways
Tue 10/282:00 amBKK - PDX
2 stops35h 53mQatar Airways
Deal found 2/20$961
This Justfly.com deal was found by Cheapflights users on 2/19. 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.
Mon 9/158:00 amPDX - BKK
2 stops31h 50mJapan Airlines
Thu 9/258:05 amBKK - PDX
2 stops22h 23mJapan Airlines
Deal found 2/19$962
This United Airlines deal was found by Cheapflights users on 2/20. 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 3/37:46 amPDX - BKK
2 stops25h 19mUnited Airlines
Mon 3/107:10 amBKK - PDX
2 stops25h 15mUnited Airlines
Deal found 2/20$966
This China Airlines deal was found by Cheapflights users on 2/20. 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.
Wed 2/263:05 pmPDX - BKK
2 stops27h 45mMultiple Airlines
Wed 3/55:50 pmBKK - PDX
2 stops31h 08mMultiple Airlines
Deal found 2/20$983
This FlightHub deal was found by Cheapflights users on 2/20. 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.
Thu 5/157:21 amPDX - BKK
2 stops35h 14mSingapore Airlines
Wed 5/286:30 pmBKK - PDX
2 stops33h 06mSingapore Airlines
Deal found 2/20$987
This oojo deal was found by Cheapflights users on 2/19. 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 4/37:00 amPDX - BKK
2 stops26h 50mCathay Pacific
Sun 4/277:00 pmBKK - PDX
2 stops28h 48mCathay Pacific
Deal found 2/19$1,010
This Air Canada deal was found by Cheapflights users on 2/18. 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.
Tue 10/283:25 pmPDX - BKK
2 stops39h 15mAir Canada
Tue 11/258:35 amBKK - PDX
1 stop24h 49mAir Canada
Deal found 2/18$1,055
This FlightHub deal was found by Cheapflights users on 2/19. 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.
Fri 3/76:00 amPDX - BKK
2 stops27h 55mChina Eastern
Fri 3/141:55 amBKK - PDX
2 stops28h 04mChina Eastern
Deal found 2/19$1,063
This Alaska Airlines deal was found by Cheapflights users on 2/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/166:00 amPDX - BKK
2 stops32h 40mAlaska Airlines
Wed 10/1512:25 amBKK - PDX
1 stop30h 03mAlaska Airlines
Deal found 2/19$1,138
This Mytrip deal was found by Cheapflights users on 2/18. 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.
Mon 3/36:00 amPDX - DMK
2 stops25h 15mMultiple Airlines
Mon 3/176:45 amDMK - PDX
3 stops45h 59mMultiple Airlines
Deal found 2/18$1,143

Find flights from Portland to Bangkok within your budget

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 February 20, 2025.

Fly from

Portland

Fly to

Bangkok

Route

Depart

Return

Price

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Sun 5/4

10:00 pm-12:00 pm

2 stops24h 00m

Bangkok Suvarnabhumi

Sun 5/11

5:50 pm-10:23 pm

2 stops42h 33m

$954

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 2/24

1:34 pm-5:10 am

2 stops48h 36m

Bangkok Suvarnabhumi

Mon 3/24

7:10 am-9:00 pm

2 stops27h 50m

$963

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Sat 3/1

4:00 pm-9:50 am

2 stops26h 50m

Bangkok Suvarnabhumi

Thu 3/13

2:05 pm-10:56 pm

2 stops22h 51m

$981

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Thu 5/15

7:21 am-8:35 am

2 stops35h 14m

Bangkok Suvarnabhumi

Wed 5/28

9:15 pm-1:36 pm

2 stops30h 21m

$987

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 5/12

7:54 am-11:55 pm

2 stops26h 01m

Bangkok Suvarnabhumi

Sat 6/7

7:00 am-6:35 pm

2 stops25h 35m

$992

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Thu 4/3

7:00 am-11:50 pm

2 stops26h 50m

Bangkok Suvarnabhumi

Sun 4/27

7:00 pm-9:48 am

2 stops28h 48m

$1,010

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Fri 3/7

6:00 am-12:55 am

2 stops27h 55m

Bangkok Suvarnabhumi

Fri 3/14

1:55 am-3:59 pm

2 stops28h 04m

$1,063

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Wed 4/23

10:35 am-6:15 am

2 stops29h 40m

Bangkok Suvarnabhumi

Thu 5/22

2:30 am-7:18 am

2 stops42h 48m

$1,083

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 3/31

3:25 pm-5:15 am

1 stop23h 50m

Bangkok Suvarnabhumi

Sat 4/19

8:00 am-2:45 pm

2 stops44h 45m

$1,136

PortlandBangkok

PDX - DMK

PDXDMK

Portland

Mon 3/3

6:00 am-10:15 pm

2 stops25h 15m

Bangkok Don Mueang Intl

Mon 3/17

6:45 am-2:44 pm

3 stops45h 59m

$1,143

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 20 results
1
2

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.

Travel insights for flights from Portland to Bangkok

Get recent, data-driven insights about flights from Portland to Bangkok including ideal travel times, pricing trends, and more.

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 February 14, 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, February is the cheapest month in which you can book a flight from Portland to Bangkok (average of $976). Flying from Portland to Bangkok in June is currently the most expensive (average of $1,580). 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 February 20, 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 February 20, 2025.
Peruse reviews from past customers who have flown with STARLUX Airlines, ANA 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
140 reviews

Entertainment

9.1

Overall

9.1

Food

9.0

Crew

9.3

Boarding

9.1

Comfort

9.0

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
140 reviews
STARLUX Airlines
9.1
Wonderful
140 reviews

Entertainment

9.1

Overall

9.1

Food

9.0

Crew

9.3

Boarding

9.1

Comfort

9.0

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
8.4
Very good
842 reviews
STARLUX Airlines
9.1
Wonderful
140 reviews

Entertainment

9.1

Overall

9.1

Food

9.0

Crew

9.3

Boarding

9.1

Comfort

9.0

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.

Korean Air
8.4
Very good
1,037 reviews
STARLUX Airlines
9.1
Wonderful
140 reviews

Entertainment

9.1

Overall

9.1

Food

9.0

Crew

9.3

Boarding

9.1

Comfort

9.0

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.

Singapore Airlines
8.1
Very good
1,299 reviews
STARLUX Airlines
9.1
Wonderful
140 reviews

Entertainment

9.1

Overall

9.1

Food

9.0

Crew

9.3

Boarding

9.1

Comfort

9.0

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.

Delta
8.0
Very good
8,220 reviews
STARLUX Airlines
9.1
Wonderful
140 reviews

Entertainment

9.1

Overall

9.1

Food

9.0

Crew

9.3

Boarding

9.1

Comfort

9.0

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 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?

    STARLUX Airlines, at $958, was found to be the cheapest airline from Portland to Bangkok.Alternate airlines to your destination round-trip include United Airlines and Singapore Airlines. These flights start at 21% lower than the current average price 3 months from now.

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

    $426 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 STARLUX Airlines and United Airlines, with prices starting from $529 and $535, 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 $44 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, Roppongi Hills, and Tsukiji Outer Market. Akihabara Electric Town, Roppongi Hills, and Tsukiji Outer Market are located about 34.6 mi, 37.5 mi, and 35.3 mi, respectively from Tokyo Narita. Those looking to explore during their layover in Tokyo can rent a car from Tokyo Narita for about $62 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, February is the cheapest month in which you can book a flight from Portland to Bangkok (average of $976). Flying from Portland to Bangkok in June is currently the most expensive (average of $1,580). 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest$750Average$870FlexibilityNo cancel feeOn-time62%
Qatar AirwaysCheapest$866Average$1,644FlexibilityNo cancel feeOn-time68%
STARLUX AirlinesCheapest$916Average$970FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$928Average$1,189FlexibilityNo cancel feeOn-time67%
Japan AirlinesCheapest$930Average$1,009FlexibilityNo cancel feeOn-time79%
ANACheapest$938Average$1,227FlexibilityNo cancel feeOn-time80%
Singapore AirlinesCheapest$946Average$1,146FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$967Average$1,062FlexibilityNo cancel feeOn-time69%
DeltaCheapest$992Average$1,349FlexibilityNo cancel feeOn-timeN/A
Cathay PacificCheapest$1,090Average$1,396FlexibilityNo cancel feeOn-time72%
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