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$348+ 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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BKK
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
1 adult, Economy
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Cheapflights Tip: The best prices from Portland to Bangkok are usually found in October or August, booked 22 days in advance, depart on a Monday or Tuesday and return on a Tuesday

Cheap 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 December 23, 2025.

This oojo deal was found by Cheapflights users on 12/21. 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.
Fri 12/269:50 pmPDX - BKK
2 stops35h 25mCathay Pacific
Fri 1/231:05 pmBKK - PDX
2 stops22h 29mCathay Pacific
Deal found 12/21$1,245
This United Airlines deal was found by Cheapflights users on 12/21. 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.
Tue 12/307:30 amPDX - BKK
3 stops36h 55mUnited Airlines
Sun 1/119:10 amBKK - PDX
2 stops44h 36mUnited Airlines
Deal found 12/21$1,257
This United Airlines deal was found by Cheapflights users on 12/21. 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.
Fri 12/267:30 amPDX - BKK
3 stops36h 55mUnited Airlines
Fri 1/234:55 pmBKK - PDX
3 stops41h 00mUnited Airlines
Deal found 12/21$1,348
This United Airlines deal was found by Cheapflights users on 12/21. 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.
Wed 12/317:30 amPDX - BKK
3 stops36h 55mUnited Airlines
Sun 1/119:10 amBKK - PDX
2 stops42h 24mUnited Airlines
Deal found 12/21$1,351
This United Airlines deal was found by Cheapflights users on 12/21. 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.
Mon 12/297:45 pmPDX - BKK
3 stops48h 40mUnited Airlines
Sun 1/119:10 amBKK - PDX
2 stops42h 24mUnited Airlines
Deal found 12/21$1,363
This Expedia deal was found by Cheapflights users on 12/22. 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.
Fri 12/269:58 amPDX - BKK
3 stops37h 12mMultiple Airlines
Sun 12/288:50 pmBKK - PDX
3 stops39h 21mMultiple Airlines
Deal found 12/22$1,372
This oojo deal was found by Cheapflights users on 12/22. 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 12/299:50 pmPDX - BKK
2 stops47h 45mMultiple Airlines
Fri 1/91:45 pmBKK - PDX
2 stops22h 02mMultiple Airlines
Deal found 12/22$1,430
This United Airlines deal was found by Cheapflights users on 12/21. 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.
Tue 12/307:30 amPDX - BKK
3 stops36h 55mUnited Airlines
Thu 1/87:10 amBKK - PDX
2 stops26h 00mUnited Airlines
Deal found 12/21$1,446
This Mytrip deal was found by Cheapflights users on 12/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/269:50 amPDX - DMK
2 stops21h 15mMultiple Airlines
Thu 1/222:35 amDMK - PDX
2 stops30h 55mMultiple Airlines
Deal found 12/21$2,477
This Mytrip deal was found by Cheapflights users on 12/22. 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.
Fri 12/269:50 amPDX - DMK
2 stops21h 15mMultiple Airlines
Sun 12/288:45 amDMK - PDX
2 stops24h 45mMultiple Airlines
Deal found 12/22$3,634

Find 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 December 23, 2025.

Round-trip from

$793
(oojo)

One-way from

$348
(SmartFares)

Popular in

December

Cheapest in

October

Average price

$1,610
From Portland to Bangkok
Search Deals
One-way flight from Portland to Bangkok
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($130 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($47 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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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 December 23, 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 - DMK

PDXDMK

Portland

Sun 1/18

9:50 am-10:25 pm

2 stops21h 35m

Bangkok Don Mueang Intl

Sun 1/25

9:20 am-6:30 pm

2 stops24h 10m

$841

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 3/16

10:42 am-11:20 pm

2 stops22h 38m

Bangkok Suvarnabhumi

Wed 4/8

9:50 am-8:59 pm

2 stops25h 09m

$857

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Wed 3/11

9:05 am-11:20 pm

2 stops24h 15m

Bangkok Suvarnabhumi

Wed 3/25

12:55 am-7:03 pm

2 stops32h 08m

$857

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Wed 1/28

7:10 am-12:55 am

2 stops26h 45m

Bangkok Suvarnabhumi

Sun 2/8

11:15 pm-12:44 pm

2 stops28h 29m

$859

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Thu 3/19

6:15 am-12:45 am

2 stops28h 30m

Bangkok Suvarnabhumi

Tue 4/7

11:30 pm-4:56 pm

2 stops31h 26m

$863

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Sun 3/8

7:43 pm-11:20 pm

2 stops37h 37m

Bangkok Suvarnabhumi

Wed 3/25

9:40 am-4:56 pm

2 stops21h 16m

$863

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Thu 2/19

7:15 am-12:45 am

2 stops26h 30m

Bangkok Suvarnabhumi

Wed 2/25

9:30 pm-6:48 pm

2 stops36h 18m

$863

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Sun 3/8

7:43 pm-11:20 pm

2 stops37h 37m

Bangkok Suvarnabhumi

Tue 3/24

9:40 am-4:56 pm

2 stops21h 16m

$863

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Wed 3/11

9:05 am-12:45 am

2 stops25h 40m

Bangkok Suvarnabhumi

Sun 3/22

9:30 pm-1:11 pm

2 stops29h 41m

$863

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 2/17

7:15 am-11:20 pm

2 stops25h 05m

Bangkok Suvarnabhumi

Sun 2/22

12:55 am-6:48 pm

2 stops32h 53m

$863

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/22

Showing 1-10 of 37 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 December 19, 2025.

Booking 22 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, July is the cheapest month in which you can book a flight from Portland to Bangkok (average of $243). Flying from Portland to Bangkok in June is currently the most expensive (average of $900). 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 December 23, 2025.

It’s typically best to fly out from Portland to Bangkok in the evening. Doing so could potentially save you 42% 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. Wednesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 December 23, 2025.
Peruse reviews from past customers who have flown with STARLUX Airlines, Korean Air, and ANA 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
8.9
Very good
248 reviews

Comfort

8.8

Overall

8.9

Crew

9.1

Entertainment

8.8

Food

8.7

Boarding

8.9

Reviews

1 / 9
10.0
Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them
STARLUX Airlines
8.9
Very good
248 reviews
STARLUX Airlines
8.9
Very good
248 reviews

Comfort

8.8

Overall

8.9

Crew

9.1

Entertainment

8.8

Food

8.7

Boarding

8.9

Reviews

1 / 9
10.0
Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them
Korean Air
8.4
Very good
1,185 reviews
STARLUX Airlines
8.9
Very good
248 reviews

Comfort

8.8

Overall

8.9

Crew

9.1

Entertainment

8.8

Food

8.7

Boarding

8.9

Reviews

1 / 9
10.0
Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them
ANA
8.4
Very good
1,040 reviews
STARLUX Airlines
8.9
Very good
248 reviews

Comfort

8.8

Overall

8.9

Crew

9.1

Entertainment

8.8

Food

8.7

Boarding

8.9

Reviews

1 / 9
10.0
Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them
United Airlines
7.4
Good
9,106 reviews
STARLUX Airlines
8.9
Very good
248 reviews

Comfort

8.8

Overall

8.9

Crew

9.1

Entertainment

8.8

Food

8.7

Boarding

8.9

Reviews

1 / 9
10.0
Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them
Air Canada
7.1
Good
10,551 reviews
STARLUX Airlines
8.9
Very good
248 reviews

Comfort

8.8

Overall

8.9

Crew

9.1

Entertainment

8.8

Food

8.7

Boarding

8.9

Reviews

1 / 9
10.0
Excellent

Chad,Nov 2025

TPE - SEA

Starlux Airlines was amazing. No complaints on anything with them

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.

  • How long is the flight from Portland to Bangkok?

    There are many flights that can get you from Portland to Bangkok in 22h 38m. Fly via Delta or Korean Air to get the fastest option. Portland and Bangkok are separated by a distance of 7525 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Delta, at $202, was found to be the cheapest airline from Portland to Bangkok.Alternate airlines to your destination round-trip include Singapore Airlines and STARLUX Airlines. These flights start at 81% lower than the current average price 3 months from now.

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

    $387 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 ANA, with prices starting from $399 and $410, 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 Seattle. Seattle is followed by Taipei City in terms of the most popular layover location on flights from Portland to Bangkok. Vancouver 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 Seattle?

    Pike Place Market, Space Needle, and Seattle Waterfront are the most popular attractions in Seattle if you're in need of something to do during your layover. Pike Place Market, Space Needle, and Seattle Waterfront can be accessed by traveling approximately 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 some popular points of interest to see during a layover in Taipei City?

    The majority of Taipei City visitors spend their time at Taipei 101, Shilin Night Market, and Raohe Street Night Market. Taipei 101, Shilin Night Market, and Raohe Street Night Market are located about 21.0 mi, 18.3 mi, and 21.6 mi, respectively from Taipei City Taiwan Taoyuan Intl. Travelers in need of a car in Taipei City can rent one for about $73 per day.

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

    The majority of Vancouver visitors spend their time at Orpheum Theatre, Pacific Central Station, and Queen Elizabeth Theatre. Orpheum Theatre, Pacific Central Station, and Queen Elizabeth Theatre are located about 6.5 mi, 6.6 mi, and 6.6 mi, respectively from Vancouver Intl. Those looking to explore during their layover in Vancouver can rent a car from Vancouver Intl for about $39 per day.

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

    Flights departing from Portland and landing in Bangkok layover in San Francisco least frequently. Tokyo sees the second fewest layovers for non-direct flights flying from Portland to Bangkok. Seoul comes in third to last in terms of the least popular layover locations on Portland to Bangkok flights.

  • 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, July is the cheapest month in which you can book a flight from Portland to Bangkok (average of $243). Flying from Portland to Bangkok in June is currently the most expensive (average of $900). 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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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 December 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$202Average$1,169FlexibilityNo cancel feeOn-timeN/A
Singapore AirlinesCheapest$759Average$908FlexibilityNo cancel feeOn-time81%
STARLUX AirlinesCheapest$775Average$952FlexibilityNo cancel feeOn-timeN/A
Japan AirlinesCheapest$776Average$991FlexibilityNo cancel feeOn-time79%
China AirlinesCheapest$781Average$899FlexibilityNo cancel feeOn-time70%
ANACheapest$785Average$986FlexibilityNo cancel feeOn-time80%
Korean AirCheapest$795Average$1,079FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$821Average$993FlexibilityNo cancel feeOn-time69%
Qatar AirwaysCheapest$864Average$874FlexibilityNo cancel feeOn-time68%
EVA AirCheapest$920Average$1,206FlexibilityNo cancel feeOn-time74%

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