Bangkok

$422+ 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
May 23 — May 301
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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 April 23, 2026.

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.
Tue 7/212:49 pm
PDX
-
BKK
3 stops33h 26m
Multiple Airlines
Tue 7/2810:25 pm
BKK
-
PDX
3 stops53h 25m
Multiple Airlines
Deal found 4/21$824
This FlightHub deal was found by Cheapflights users on 4/20. 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.
Tue 5/125:51 pm
PDX
-
BKK
3 stops57h 04m
Multiple Airlines
Mon 6/810:25 pm
BKK
-
PDX
3 stops53h 25m
Multiple Airlines
Deal found 4/20$855
This FlightHub deal was found by Cheapflights users on 4/20. 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 7/209:45 pm
PDX
-
BKK
3 stops50h 30m
Multiple Airlines
Wed 7/295:55 pm
BKK
-
PDX
3 stops40h 36m
Multiple Airlines
Deal found 4/20$857
This Justfly.com deal was found by Cheapflights users on 4/20. 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 5/55:51 pm
PDX
-
BKK
3 stops46h 39m
Multiple Airlines
Sat 6/610:25 pm
BKK
-
PDX
3 stops56h 25m
Multiple Airlines
Deal found 4/20$871
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.
Tue 4/282:50 pm
PDX
-
BKK
3 stops33h 25m
Multiple Airlines
Sun 5/315:55 pm
BKK
-
PDX
3 stops33h 55m
Multiple Airlines
Deal found 4/21$882
This FlightHub deal was found by Cheapflights users on 4/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/265:59 pm
PDX
-
BKK
3 stops46h 31m
Multiple Airlines
Mon 6/85:55 pm
BKK
-
PDX
3 stops33h 55m
Multiple Airlines
Deal found 4/18$888
This Justfly.com deal was found by Cheapflights users on 4/19. 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.
Wed 7/89:45 pm
PDX
-
BKK
3 stops50h 30m
Multiple Airlines
Wed 7/225:55 pm
BKK
-
PDX
3 stops40h 36m
Multiple Airlines
Deal found 4/19$893
This Justfly.com deal was found by Cheapflights users on 4/19. 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.
Thu 7/92:49 pm
PDX
-
BKK
3 stops36h 06m
Multiple Airlines
Wed 7/225:55 pm
BKK
-
PDX
3 stops33h 55m
Multiple Airlines
Deal found 4/19$894
This IEagle deal was found by Cheapflights users on 4/20. 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 IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/92:49 pm
PDX
-
BKK
3 stops33h 26m
Multiple Airlines
Thu 7/165:55 pm
BKK
-
PDX
3 stops33h 55m
Multiple Airlines
Deal found 4/20$895
This FlightHub deal was found by Cheapflights users on 4/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/212:51 pm
PDX
-
BKK
3 stops49h 39m
Multiple Airlines
Sun 5/3110:25 pm
BKK
-
PDX
3 stops53h 25m
Multiple Airlines
Deal found 4/18$897
This IEagle deal was found by Cheapflights users on 4/19. 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 IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/92:49 pm
PDX
-
BKK
3 stops33h 26m
Multiple Airlines
Sun 7/265:55 pm
BKK
-
PDX
3 stops33h 55m
Multiple Airlines
Deal found 4/19$899
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/810:10 am
PDX
-
DMK
2 stops23h 55m
Multiple Airlines
Wed 7/151:15 am
DMK
-
PDX
2 stops27h 36m
Multiple Airlines
Deal found 4/21$1,612

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 April 23, 2026.

Round-trip from

$824
(FlightHub)

One-way from

$422
(IEagle)

Popular in

December

Cheapest in

April

Average price

$920
From Portland to Bangkok
One-way flight from Portland to Bangkok
Highest demand for flights based on searches. 10% potential increase in price ($129 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($57 potential savings vs. average RT price).
Average for round-trip flights in April 2026

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 23, 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

Thu 8/27

3:43 pm-9:35 am

3 stops27h 52m

Bangkok Suvarnabhumi

Thu 9/10

7:00 am-6:11 pm

2 stops25h 11m

$1,267

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 9/8

3:43 pm-9:35 am

3 stops27h 52m

Bangkok Suvarnabhumi

Wed 9/16

7:00 am-12:47 am

2 stops31h 47m

$1,274

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 10/5

3:36 pm-9:35 am

3 stops27h 59m

Bangkok Suvarnabhumi

Tue 10/20

7:00 am-9:05 pm

2 stops28h 05m

$1,397

PortlandBangkok

PDX - DMK

PDXDMK

Portland

Wed 7/8

10:10 am-12:05 am

2 stops23h 55m

Bangkok Don Mueang Intl

Wed 7/15

1:15 am-2:51 pm

2 stops27h 36m

$1,612

PortlandBangkok

PDX - DMK

PDXDMK

Portland

Wed 9/30

1:03 pm-11:10 am

2 stops32h 07m

Bangkok Don Mueang Intl

Mon 10/26

11:00 am-6:31 pm

2 stops45h 31m

$1,741

PortlandBangkok

PDX - DMK

PDXDMK

Portland

Thu 10/1

1:03 pm-8:45 pm

2 stops41h 42m

Bangkok Don Mueang Intl

Mon 10/26

10:55 pm-6:31 pm

2 stops33h 36m

$1,791

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 9/22

1:38 pm-9:30 am

2 stops29h 52m

Bangkok Suvarnabhumi

Sun 9/27

12:05 pm-11:10 am

1 stop37h 05m

$1,822

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Thu 10/8

1:38 pm-9:30 am

2 stops29h 52m

Bangkok Suvarnabhumi

Sun 10/18

12:05 pm-11:10 am

1 stop37h 05m

$1,822

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Sun 5/3

3:15 pm-9:35 am

3 stops28h 20m

Bangkok Suvarnabhumi

Wed 5/13

7:00 am-6:46 pm

3 stops25h 46m

$1,834

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 6/23

11:16 am-9:35 am

3 stops32h 19m

Bangkok Suvarnabhumi

Thu 8/27

9:35 am-11:00 pm

2 stops27h 25m

$1,843

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/19

Showing 1-10 of 42 resultsSorted by cheapest first
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5

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 17, 2026.

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, January is the cheapest month in which you can book a flight from Portland to Bangkok (average of $99). Flying from Portland to Bangkok in December is currently the most expensive (average of $781). 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?

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 23, 2026.
Peruse reviews from past customers who have flown with STARLUX Airlines,EVA Air, andKorean 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.

Entertainment

8.8

Crew

9.2

Boarding

9.0

Comfort

8.9

Food

8.6

Overall

8.9

Reviews

1 / 11
8.0
Excellent

Anonymous,Apr 2026

PHX - TPE

After about 10 hours the seat turns into a 2 x4! Maybe pitch the front up 1-2 degrees so the posterior occupies the whole surface instead of sliding out forward--you would think it would be more comfortable.

Entertainment

8.8

Crew

9.2

Boarding

9.0

Comfort

8.9

Food

8.6

Overall

8.9

Reviews

1 / 11
8.0
Excellent

Anonymous,Apr 2026

PHX - TPE

After about 10 hours the seat turns into a 2 x4! Maybe pitch the front up 1-2 degrees so the posterior occupies the whole surface instead of sliding out forward--you would think it would be more comfortable.

Entertainment

8.8

Crew

9.2

Boarding

9.0

Comfort

8.9

Food

8.6

Overall

8.9

Reviews

1 / 11
8.0
Excellent

Anonymous,Apr 2026

PHX - TPE

After about 10 hours the seat turns into a 2 x4! Maybe pitch the front up 1-2 degrees so the posterior occupies the whole surface instead of sliding out forward--you would think it would be more comfortable.

Entertainment

8.8

Crew

9.2

Boarding

9.0

Comfort

8.9

Food

8.6

Overall

8.9

Reviews

1 / 11
8.0
Excellent

Anonymous,Apr 2026

PHX - TPE

After about 10 hours the seat turns into a 2 x4! Maybe pitch the front up 1-2 degrees so the posterior occupies the whole surface instead of sliding out forward--you would think it would be more comfortable.

Entertainment

8.8

Crew

9.2

Boarding

9.0

Comfort

8.9

Food

8.6

Overall

8.9

Reviews

1 / 11
8.0
Excellent

Anonymous,Apr 2026

PHX - TPE

After about 10 hours the seat turns into a 2 x4! Maybe pitch the front up 1-2 degrees so the posterior occupies the whole surface instead of sliding out forward--you would think it would be more comfortable.

Entertainment

8.8

Crew

9.2

Boarding

9.0

Comfort

8.9

Food

8.6

Overall

8.9

Reviews

1 / 11
8.0
Excellent

Anonymous,Apr 2026

PHX - TPE

After about 10 hours the seat turns into a 2 x4! Maybe pitch the front up 1-2 degrees so the posterior occupies the whole surface instead of sliding out forward--you would think it would be more comfortable.

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 27h 52m. Fly via United Airlines, Emirates, or KLM 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 $139, 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 86% lower than the current average price 3 months from now.

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

    $246 is the cheapest one-way deal found within the past few days, from Japan Airlines. 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?

  • 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 $62 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, Raohe Street Night Market, and Shilin Night Market. Taipei 101, Raohe Street Night Market, and Shilin Night Market are located about 21.0 mi, 21.6 mi, and 18.3 mi, respectively from Taipei City Taiwan Taoyuan Intl. Travelers in need of a car in Taipei City can rent one for about $72 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, Queen Elizabeth Theatre, and Pacific Central Station. Orpheum Theatre, Queen Elizabeth Theatre, and Pacific Central Station 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 $35 per day.

  • Where are the least popular layover locations for 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, January is the cheapest month in which you can book a flight from Portland to Bangkok (average of $99). Flying from Portland to Bangkok in December is currently the most expensive (average of $781). 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 April 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$139Average$855FlexibilityNo cancel feeOn-timeN/A
Cathay PacificCheapest$653Average$1,074FlexibilityNo cancel feeOn-time72%
STARLUX AirlinesCheapest$754Average$878FlexibilityNo cancel feeOn-timeN/A
Singapore AirlinesCheapest$759Average$900FlexibilityNo cancel feeOn-time81%
Japan AirlinesCheapest$776Average$914FlexibilityNo cancel feeOn-time79%
China AirlinesCheapest$781Average$899FlexibilityNo cancel feeOn-time70%
ANACheapest$785Average$1,047FlexibilityNo cancel feeOn-time80%
Korean AirCheapest$795Average$1,015FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$821Average$974FlexibilityNo cancel feeOn-time69%
EVA AirCheapest$896Average$1,002FlexibilityNo cancel feeOn-time74%

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