HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Bangkok

$480+ 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 5/28. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BKK
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Portland to Bangkok with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: 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 March 28, 2025.

Round-trip from

$961
(Booking.com)

One-way from

$480
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$1,167
From Portland to Bangkok
Search Deals
One-way flight from Portland to Bangkok
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($229 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($44 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
Search Deals

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 March 28, 2025.

This FlightHub deal was found by Cheapflights users on 3/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/291:24 pmPDX - BKK
2 stops27h 56mQatar Airways
Tue 10/282:00 amBKK - PDX
2 stops35h 53mQatar Airways
Deal found 3/28$961
This KAYAK deal was found by Cheapflights users on 3/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/58:45 pmPDX - BKK
2 stops25h 15mSTARLUX Airlines
Thu 5/291:10 pmBKK - PDX
2 stops19h 50mSTARLUX Airlines
Deal found 3/28$962
This KAYAK deal was found by Cheapflights users on 3/27. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/810:10 amPDX - BKK
2 stops29h 50mANA
Mon 5/199:35 amBKK - PDX
2 stops23h 10mANA
Deal found 3/27$964
This Travelocity deal was found by Cheapflights users on 3/27. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/110:35 amPDX - BKK
2 stops30h 45mMultiple Airlines
Thu 5/292:30 amBKK - PDX
2 stops28h 30mMultiple Airlines
Deal found 3/27$967
This United Airlines deal was found by Cheapflights users on 3/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/239:55 amPDX - BKK
2 stops52h 40mUnited Airlines
Thu 5/227:00 amBKK - PDX
2 stops25h 35mUnited Airlines
Deal found 3/27$970
This Fareboom deal was found by Cheapflights users on 3/27. 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 Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/222:45 pmPDX - BKK
2 stops29h 25mEVA Air
Sun 12/75:10 pmBKK - PDX
2 stops35h 09mEVA Air
Deal found 3/27$1,022
This oojo deal was found by Cheapflights users on 3/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/157:21 amPDX - BKK
2 stops26h 29mCathay Pacific
Wed 5/285:30 pmBKK - PDX
2 stops29h 58mCathay Pacific
Deal found 3/28$1,050
This Air Canada deal was found by Cheapflights users on 3/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/237:05 pmPDX - BKK
2 stops36h 25mAir Canada
Sun 12/78:35 amBKK - PDX
1 stop15h 59mAir Canada
Deal found 3/27$1,122
This Gurufare deal was found by Cheapflights users on 3/28. 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.
Mon 10/137:30 amPDX - BKK
3 stops35h 05mSingapore Airlines
Wed 11/129:10 pmBKK - PDX
2 stops28h 45mSingapore Airlines
Deal found 3/28$1,142
This FlightHub deal was found by Cheapflights users on 3/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/66:30 pmPDX - BKK
2 stops38h 40mAsiana Airlines
Mon 5/261:20 amBKK - PDX
2 stops33h 27mAsiana Airlines
Deal found 3/28$1,211
This Mytrip deal was found by Cheapflights users on 3/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/166:15 amPDX - DMK
2 stops25h 45mMultiple Airlines
Sat 5/244:45 pmDMK - PDX
2 stops35h 55mMultiple Airlines
Deal found 3/27$1,349

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 March 28, 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

Wed 8/20

10:00 pm-12:00 pm

2 stops24h 00m

Bangkok Suvarnabhumi

Sat 9/13

1:10 pm-7:10 pm

2 stops20h 00m

$961

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 4/8

10:10 am-6:00 am

2 stops29h 50m

Bangkok Suvarnabhumi

Mon 5/19

9:35 am-6:45 pm

2 stops23h 10m

$964

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Thu 5/1

10:35 am-7:20 am

2 stops30h 45m

Bangkok Suvarnabhumi

Thu 5/29

2:30 am-5:00 pm

2 stops28h 30m

$967

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Wed 4/23

9:55 am-4:35 am

2 stops52h 40m

Bangkok Suvarnabhumi

Thu 5/22

7:00 am-6:35 pm

2 stops25h 35m

$970

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 4/8

8:59 pm-9:45 am

2 stops22h 46m

Bangkok Suvarnabhumi

Sun 4/13

2:40 am-8:32 am

2 stops43h 52m

$1,004

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 8/25

1:24 pm-6:15 am

2 stops26h 51m

Bangkok Suvarnabhumi

Sun 9/14

2:30 am-9:25 pm

2 stops32h 55m

$1,010

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Fri 4/11

8:00 am-11:30 pm

2 stops25h 30m

Bangkok Suvarnabhumi

Mon 4/21

3:10 pm-1:49 pm

2 stops36h 39m

$1,038

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Thu 5/15

7:21 am-11:50 pm

2 stops26h 29m

Bangkok Suvarnabhumi

Wed 5/28

5:30 pm-9:28 am

2 stops29h 58m

$1,050

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 4/21

10:10 am-5:15 am

1 stop29h 05m

Bangkok Suvarnabhumi

Wed 5/28

6:30 pm-2:40 pm

2 stops34h 10m

$1,156

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Thu 7/31

7:00 am-8:35 am

3 stops35h 35m

Bangkok Suvarnabhumi

Wed 9/3

9:15 pm-1:50 pm

2 stops30h 35m

$1,159

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 23 results
1
2
3

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 March 21, 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 $963). 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 March 28, 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 March 28, 2025.
Peruse reviews from past customers who have flown with STARLUX Airlines, EVA 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
9.1
Wonderful
146 reviews

Overall

9.1

Boarding

9.0

Entertainment

9.0

Comfort

9.0

Crew

9.3

Food

8.9

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
146 reviews
STARLUX Airlines
9.1
Wonderful
146 reviews

Overall

9.1

Boarding

9.0

Entertainment

9.0

Comfort

9.0

Crew

9.3

Food

8.9

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
1,169 reviews
STARLUX Airlines
9.1
Wonderful
146 reviews

Overall

9.1

Boarding

9.0

Entertainment

9.0

Comfort

9.0

Crew

9.3

Food

8.9

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
829 reviews
STARLUX Airlines
9.1
Wonderful
146 reviews

Overall

9.1

Boarding

9.0

Entertainment

9.0

Comfort

9.0

Crew

9.3

Food

8.9

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.
China Airlines
8.2
Very good
722 reviews
STARLUX Airlines
9.1
Wonderful
146 reviews

Overall

9.1

Boarding

9.0

Entertainment

9.0

Comfort

9.0

Crew

9.3

Food

8.9

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
440 reviews
STARLUX Airlines
9.1
Wonderful
146 reviews

Overall

9.1

Boarding

9.0

Entertainment

9.0

Comfort

9.0

Crew

9.3

Food

8.9

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 $961, was found to be the cheapest airline from Portland to Bangkok.Alternate airlines to your destination round-trip include ANA and United Airlines. These flights start at 20% lower than the current average price 3 months from now.

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

    $525 is the cheapest one-way deal found within the past few days, from ANA. You may also be able to find cheap deals on United Airlines and Air Canada, with prices starting from $555 and $640, 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 $35 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 $47 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, Tokyo Tower, and Tsukiji Outer Market. Akihabara Electric Town, Tokyo Tower, and Tsukiji Outer Market are located about 34.6 mi, 36.7 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 $61 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 $963). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest$750Average$871FlexibilityNo cancel feeOn-time62%
Qatar AirwaysCheapest$872Average$1,529FlexibilityNo cancel feeOn-time68%
Air CanadaCheapest$928Average$1,192FlexibilityNo cancel feeOn-time67%
Japan AirlinesCheapest$930Average$1,002FlexibilityNo cancel feeOn-time79%
ANACheapest$933Average$1,060FlexibilityNo cancel feeOn-time80%
STARLUX AirlinesCheapest$933Average$977FlexibilityNo cancel feeOn-timeN/A
Singapore AirlinesCheapest$944Average$1,124FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$966Average$1,018FlexibilityNo cancel feeOn-time69%
DeltaCheapest$992Average$1,362FlexibilityNo cancel feeOn-timeN/A
Cathay PacificCheapest$1,079Average$1,381FlexibilityNo cancel feeOn-time72%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.