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$452+ 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 9/18. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BKK
Sep 2 — Sep 91
Wed 9/2
Wed 9/9
1 adult, Economy
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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 August 3, 2026.

This Gotogate deal was found by Cheapflights users on 8/1. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/710:10 am
PDX
-
BKK
2 stops23h 25m
Air Canada
Mon 9/217:05 am
BKK
-
PDX
1 stop26h 06m
Air Canada
Deal found 8/1$874
This Justfly.com deal was found by Cheapflights users on 7/30. 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.
Wed 9/27:45 pm
PDX
-
BKK
1 stop19h 20m
Air Canada
Wed 9/307:05 am
BKK
-
PDX
1 stop26h 06m
Air Canada
Deal found 7/30$895
This Bravofly deal was found by Cheapflights users on 8/1. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:08 am
PDX
-
BKK
2 stops27h 27m
Korean Air
Mon 9/212:35 am
BKK
-
PDX
2 stops28h 35m
Korean Air
Deal found 8/1$906
This Justfly.com deal was found by Cheapflights users on 7/30. 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 9/17:45 pm
PDX
-
BKK
2 stops36h 00m
Air Canada
Tue 9/2911:30 pm
BKK
-
PDX
2 stops29h 16m
Air Canada
Deal found 7/30$909
This Mytrip deal was found by Cheapflights users on 7/31. 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 9/73:30 pm
PDX
-
BKK
1 stop23h 35m
Air Canada
Mon 9/287:05 am
BKK
-
PDX
2 stops27h 55m
Air Canada
Deal found 7/31$918
This Trip.com deal was found by Cheapflights users on 7/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/158:30 pm
PDX
-
DMK
2 stops34h 50m
Multiple Airlines
Wed 8/197:25 am
DMK
-
PDX
2 stops39h 42m
Multiple Airlines
Deal found 7/30$1,192
This Mytrip deal was found by Cheapflights users on 7/29. 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 9/710:10 am
PDX
-
DMK
2 stops25h 50m
Multiple Airlines
Tue 9/152:35 am
DMK
-
PDX
2 stops30h 36m
Multiple Airlines
Deal found 7/29$1,362
This Trip.com deal was found by Cheapflights users on 7/31. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/77:19 am
PDX
-
DMK
2 stops26h 56m
Multiple Airlines
Fri 8/146:15 am
DMK
-
PDX
2 stops41h 06m
Multiple Airlines
Deal found 7/31$1,410
This Mytrip deal was found by Cheapflights users on 7/29. 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.
Thu 8/273:30 pm
PDX
-
DMK
3 stops31h 00m
Multiple Airlines
Thu 9/311:50 pm
DMK
-
PDX
3 stops32h 00m
Multiple Airlines
Deal found 7/29$1,430
This Mytrip deal was found by Cheapflights users on 7/29. 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.
Wed 8/1910:10 am
PDX
-
DMK
2 stops25h 50m
Multiple Airlines
Tue 9/811:30 pm
DMK
-
PDX
2 stops29h 16m
Multiple Airlines
Deal found 7/29$1,433
This Mytrip deal was found by Cheapflights users on 7/30. 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.
Wed 9/210:10 am
PDX
-
DMK
2 stops25h 50m
Multiple Airlines
Wed 9/306:15 am
DMK
-
PDX
2 stops27h 35m
Multiple Airlines
Deal found 7/30$1,463
This Mytrip deal was found by Cheapflights users on 8/1. 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.
Tue 8/2510:10 am
PDX
-
DMK
2 stops25h 50m
Multiple Airlines
Tue 9/111:30 pm
DMK
-
PDX
2 stops29h 21m
Multiple Airlines
Deal found 8/1$1,467

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 August 3, 2026.

Round-trip from

$874
(Gotogate)

One-way from

$452
(Kiwi.com)

Popular in

December

Cheapest in

April

Average price

$1,015
From Portland to Bangkok
Search Deals
One-way flight from Portland to Bangkok
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($109 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($59 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

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 August 3, 2026.
Use the filters below to find and compare flights from Portland to Bangkok that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 1/11

5:35 am-5:10 am

2 stops32h 35m

Bangkok Suvarnabhumi

Tue 1/19

9:10 am-12:54 am

2 stops30h 44m

$1,006

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 1/18

5:35 am-5:10 am

2 stops32h 35m

Bangkok Suvarnabhumi

Mon 1/25

7:10 am-8:33 pm

2 stops28h 23m

$1,008

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 9/1

3:43 pm-9:35 am

3 stops27h 52m

Bangkok Suvarnabhumi

Tue 9/29

9:35 am-10:57 pm

2 stops27h 22m

$1,011

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 9/14

1:03 pm-9:35 am

3 stops30h 32m

Bangkok Suvarnabhumi

Mon 9/21

9:35 am-12:37 am

2 stops29h 02m

$1,011

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 9/7

11:15 am-9:35 am

3 stops32h 20m

Bangkok Suvarnabhumi

Mon 9/28

9:35 am-9:00 pm

2 stops25h 25m

$1,011

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 9/15

1:03 pm-9:35 am

3 stops30h 32m

Bangkok Suvarnabhumi

Tue 9/22

3:45 pm-12:00 pm

3 stops34h 15m

$1,021

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 1/18

3:30 pm-11:30 am

2 stops29h 00m

Bangkok Suvarnabhumi

Mon 2/1

7:10 am-6:31 pm

3 stops26h 21m

$1,186

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 11/17

9:00 am-11:30 am

3 stops35h 30m

Bangkok Suvarnabhumi

Tue 12/15

4:55 pm-12:25 pm

3 stops34h 30m

$1,201
Quickest round-trip

PortlandBangkok

PDX - DMK

PDXDMK

Portland

Wed 11/25

10:00 am-2:45 am

2 stops25h 45m

Bangkok Don Mueang Intl

Thu 12/10

2:35 am-2:41 pm

2 stops27h 06m

$1,731

PortlandBangkok

PDX - DMK

PDXDMK

Portland

Wed 9/23

11:15 am-11:10 am

2 stops33h 55m

Bangkok Don Mueang Intl

Fri 10/2

12:10 pm-6:31 pm

2 stops44h 21m

$1,797

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 35 resultsSorted by cheapest first
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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

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

Currently, April is the cheapest month in which you can book a flight from Portland to Bangkok (average of $914). Flying from Portland to Bangkok in December is currently the most expensive (average of $1,777). 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.

How much does it cost to fly round-trip from Portland to Bangkok?

Airfare is typical for this route at the moment.
Portland to Bangkok flights typically cost between $852 and $1,153 in September.
The cheapest round-trip price found within the last 5 days was $874 on Air Canada (Sep 7-Sep 21).

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

Booking 68 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.

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 August 3, 2026.
Peruse reviews from past customers who have flown with STARLUX Airlines,EVA Air, andChina Airlines 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
8.8
Very good
363 reviews

Food

8.6

Crew

9.1

Comfort

8.8

Boarding

8.9

Overall

8.8

Entertainment

8.7

Reviews

1 / 15
8.0
Excellent

Anonymous,Jul 2026

TPE - CRK

Communication from other airlines. They were not aware that my connecting flight was late. I booked everything here but no one took care of it by checking.
STARLUX Airlines
8.8
Very good
363 reviews
STARLUX Airlines
8.8
Very good
363 reviews

Food

8.6

Crew

9.1

Comfort

8.8

Boarding

8.9

Overall

8.8

Entertainment

8.7

Reviews

1 / 15
8.0
Excellent

Anonymous,Jul 2026

TPE - CRK

Communication from other airlines. They were not aware that my connecting flight was late. I booked everything here but no one took care of it by checking.
EVA Air
8.5
Very good
1,511 reviews
STARLUX Airlines
8.8
Very good
363 reviews

Food

8.6

Crew

9.1

Comfort

8.8

Boarding

8.9

Overall

8.8

Entertainment

8.7

Reviews

1 / 15
8.0
Excellent

Anonymous,Jul 2026

TPE - CRK

Communication from other airlines. They were not aware that my connecting flight was late. I booked everything here but no one took care of it by checking.
China Airlines
8.3
Very good
838 reviews
STARLUX Airlines
8.8
Very good
363 reviews

Food

8.6

Crew

9.1

Comfort

8.8

Boarding

8.9

Overall

8.8

Entertainment

8.7

Reviews

1 / 15
8.0
Excellent

Anonymous,Jul 2026

TPE - CRK

Communication from other airlines. They were not aware that my connecting flight was late. I booked everything here but no one took care of it by checking.
United Airlines
7.4
Good
10,058 reviews
STARLUX Airlines
8.8
Very good
363 reviews

Food

8.6

Crew

9.1

Comfort

8.8

Boarding

8.9

Overall

8.8

Entertainment

8.7

Reviews

1 / 15
8.0
Excellent

Anonymous,Jul 2026

TPE - CRK

Communication from other airlines. They were not aware that my connecting flight was late. I booked everything here but no one took care of it by checking.
Air Canada
7.1
Good
11,419 reviews
STARLUX Airlines
8.8
Very good
363 reviews

Food

8.6

Crew

9.1

Comfort

8.8

Boarding

8.9

Overall

8.8

Entertainment

8.7

Reviews

1 / 15
8.0
Excellent

Anonymous,Jul 2026

TPE - CRK

Communication from other airlines. They were not aware that my connecting flight was late. I booked everything here but no one took care of it by checking.

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 11 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 32h 35m. Fly via Delta or United Airlines 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 $99, was found to be the cheapest airline from Portland to Bangkok.Alternate airlines to your destination round-trip include Cathay Pacific and STARLUX Airlines. These flights start at 91% lower than the current average price 3 months from now.

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

    $399 is the cheapest one-way deal found within the past few days, from STARLUX Airlines. You may also be able to find cheap deals on Delta and Korean Air, with prices starting from $456 and $458, 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 Vancouver in terms of the most popular layover location on flights from Portland to Bangkok. Taipei City 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 $68 per day.

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

    The majority of Vancouver visitors spend their time at Queen Elizabeth Theatre, Pacific Central Station, and Orpheum Theatre. Queen Elizabeth Theatre, Pacific Central Station, and Orpheum Theatre are located about 6.6 mi, 6.6 mi, and 6.5 mi, respectively from Vancouver Intl. Travelers in need of a car in Vancouver can rent one for about $63 per day.

  • What are points of interest worth seeing 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. Those looking to explore during their layover in Taipei City can rent a car from Taipei City Taiwan Taoyuan Intl 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 San Francisco least frequently. Tokyo 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, April is the cheapest month in which you can book a flight from Portland to Bangkok (average of $914). Flying from Portland to Bangkok in December is currently the most expensive (average of $1,777). 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 August 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$99Average$840FlexibilityNo cancel feeOn-timeN/A
Cathay PacificCheapest$653Average$1,074FlexibilityNo cancel feeOn-time72%
STARLUX AirlinesCheapest$753Average$847FlexibilityNo cancel feeOn-timeN/A
Singapore AirlinesCheapest$759Average$914FlexibilityNo cancel feeOn-time81%
China AirlinesCheapest$773Average$903FlexibilityNo cancel feeOn-time70%
Japan AirlinesCheapest$776Average$1,120FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$822Average$1,029FlexibilityNo cancel feeOn-time69%
Korean AirCheapest$845Average$952FlexibilityNo cancel feeOn-time81%
ANACheapest$861Average$1,303FlexibilityNo cancel feeOn-time80%
EVA AirCheapest$896Average$984FlexibilityNo cancel feeOn-time74%

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