HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Thailand

$368+ Cheap flights from Portland (PDX) to Thailand

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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BKK
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Portland to Thailand 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.

Cheap flight deals from Portland to Thailand

Cheapest flights from Portland to Thailand
Explore the most affordable flight options available from Portland to Thailand. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This Delta deal was found by Cheapflights users on 12/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/245:15 pmPDX - BKK
2 stops40h 30mDelta
Sun 12/282:05 amBKK - PDX
2 stops34h 54mDelta
Deal found 12/11$1,034
This Delta deal was found by Cheapflights users on 12/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/255:15 pmPDX - BKK
2 stops40h 40mDelta
Sun 12/282:05 amBKK - PDX
2 stops36h 50mDelta
Deal found 12/11$1,138
This Delta deal was found by Cheapflights users on 12/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/245:15 pmPDX - BKK
2 stops40h 40mDelta
Sun 12/289:30 pmBKK - PDX
2 stops41h 25mDelta
Deal found 12/11$1,184
This Expedia deal was found by Cheapflights users on 12/11. 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.
Tue 12/166:00 amPDX - BKK
2 stops43h 20mMultiple Airlines
Thu 4/301:25 pmBKK - PDX
2 stops24h 38mMultiple Airlines
Deal found 12/11$1,189
This United Airlines deal was found by Cheapflights users on 12/10. 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 12/157:43 pmPDX - BKK
2 stops42h 27mUnited Airlines
Sun 1/187:10 amBKK - PDX
2 stops30h 56mUnited Airlines
Deal found 12/10$1,309
This Delta deal was found by Cheapflights users on 12/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/245:15 pmPDX - BKK
2 stops40h 40mDelta
Mon 12/2912:55 amBKK - PDX
2 stops36h 04mDelta
Deal found 12/11$1,311
This Expedia deal was found by Cheapflights users on 12/10. 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.
Wed 12/105:49 pmPDX - BKK
2 stops33h 01mMultiple Airlines
Tue 12/1611:50 pmBKK - PDX
2 stops39h 29mMultiple Airlines
Deal found 12/10$1,327
This FlightHub deal was found by Cheapflights users on 12/10. 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.
Wed 12/243:59 pmPDX - BKK
2 stops33h 31mSTARLUX Airlines
Mon 1/125:40 pmBKK - PDX
2 stops42h 07mSTARLUX Airlines
Deal found 12/10$1,385
This Delta deal was found by Cheapflights users on 12/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2512:29 pmPDX - BKK
2 stops45h 26mDelta
Mon 12/292:05 amBKK - PDX
2 stops34h 54mDelta
Deal found 12/11$1,415
This oojo deal was found by Cheapflights users on 12/10. 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 12/255:30 pmPDX - BKK
2 stops28h 05mSTARLUX Airlines
Mon 1/125:40 pmBKK - PDX
2 stops42h 07mSTARLUX Airlines
Deal found 12/10$1,425
This Delta deal was found by Cheapflights users on 12/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/255:30 amPDX - BKK
2 stops28h 25mDelta
Sun 12/289:30 pmBKK - PDX
2 stops41h 25mDelta
Deal found 12/11$1,483
This Expedia deal was found by Cheapflights users on 12/10. 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.
Mon 12/1510:36 amPDX - HKT
3 stops30h 29mMultiple Airlines
Mon 12/228:30 pmHKT - PDX
2 stops52h 05mMultiple Airlines
Deal found 12/10$1,646

Find flight deals from Portland to Thailand

Keep the following information in mind while searching for Portland to Thailand flight deals. Data was last updated December 12, 2025.

Round-trip from

$786
(oojo)

One-way from

$368
(oojo)

Popular in

December

Cheapest in

October

Average price

$1,610
From Portland to Thailand
Search Deals
One-way flight from Portland to Thailand
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($125 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
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to Thailand 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 12, 2025.
Use the filters below to find and compare flights from Portland to Thailand that are best for you.

Fly from

Portland

Fly to

Thailand

Route

Depart

Return

Price

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 2/3

1:38 pm-1:05 pm

2 stops32h 27m

Bangkok Suvarnabhumi

Sat 2/28

10:55 am-9:35 am

2 stops37h 40m

$829

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Thu 2/26

9:15 am-12:45 am

2 stops24h 30m

Bangkok Suvarnabhumi

Wed 3/11

2:05 am-6:58 pm

2 stops30h 53m

$857

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Wed 2/25

5:30 am-12:45 am

2 stops28h 15m

Bangkok Suvarnabhumi

Mon 3/9

9:40 am-6:58 pm

2 stops23h 18m

$857

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 3/9

9:12 am-12:45 am

2 stops25h 33m

Bangkok Suvarnabhumi

Mon 3/23

9:30 pm-4:56 pm

2 stops33h 26m

$857

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Wed 2/25

7:10 am-12:45 am

2 stops26h 35m

Bangkok Suvarnabhumi

Tue 3/3

2:05 am-12:15 am

2 stops37h 10m

$857

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 2/24

9:15 am-11:20 pm

2 stops23h 05m

Bangkok Suvarnabhumi

Wed 3/11

2:05 am-6:58 pm

2 stops30h 53m

$857

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 2/24

9:15 am-11:20 pm

2 stops23h 05m

Bangkok Suvarnabhumi

Tue 3/10

9:40 am-4:55 pm

2 stops21h 15m

$857

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Thu 1/29

7:10 am-12:55 am

2 stops26h 45m

Bangkok Suvarnabhumi

Sun 2/15

9:30 pm-12:42 pm

2 stops30h 12m

$858

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Wed 2/25

7:10 am-12:55 am

2 stops26h 45m

Bangkok Suvarnabhumi

Sun 3/8

11:15 pm-4:43 pm

2 stops31h 28m

$862

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 2/23

7:10 am-9:30 pm

2 stops23h 20m

Bangkok Suvarnabhumi

Sun 3/1

2:05 am-4:10 pm

2 stops29h 05m

$862

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 59 results
1
2
3
...
6

Best time to book a flight from Portland to Thailand

Have a flexible travel schedule? Discover the best time to fly to Thailand 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 Thailand

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

Currently, July is the cheapest month in which you can book a flight from Portland to Thailand (average of $232). Flying from Portland to Thailand in June is currently the most expensive (average of $964). 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 TH?

Find hourly flight availability from Portland to Thailand. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

It’s optimal to fly from Portland to Thailand in the morning. By choosing this option you can save up to 33% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly from Portland to Thailand?

Use this chart to determine the cheapest time to fly round-trip from Portland to Thailand. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Portland to Thailand flight should consider departing on Tuesday at noon when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Thailand

Get insights into the airlines that provide service to Thailand. 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 Thailand. Reviews last updated December 12, 2025.
Get a feel of what it's like to fly with STARLUX Airlines, Korean Air, and ANA from Portland to Thailand by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
8.9
Very good
243 reviews

Entertainment

8.9

Crew

9.2

Boarding

8.9

Overall

8.9

Food

8.7

Comfort

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
243 reviews
STARLUX Airlines
8.9
Very good
243 reviews

Entertainment

8.9

Crew

9.2

Boarding

8.9

Overall

8.9

Food

8.7

Comfort

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
1,184 reviews
STARLUX Airlines
8.9
Very good
243 reviews

Entertainment

8.9

Crew

9.2

Boarding

8.9

Overall

8.9

Food

8.7

Comfort

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
1,021 reviews
STARLUX Airlines
8.9
Very good
243 reviews

Entertainment

8.9

Crew

9.2

Boarding

8.9

Overall

8.9

Food

8.7

Comfort

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
9,095 reviews
STARLUX Airlines
8.9
Very good
243 reviews

Entertainment

8.9

Crew

9.2

Boarding

8.9

Overall

8.9

Food

8.7

Comfort

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
10,515 reviews
STARLUX Airlines
8.9
Very good
243 reviews

Entertainment

8.9

Crew

9.2

Boarding

8.9

Overall

8.9

Food

8.7

Comfort

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 Thailand. 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 Thailand?

    Portland (PDX), located 6.0 mi from the city center, is the airport you fly out of when you book flights from Portland to Thailand.

  • How long is the flight from Portland to Thailand?

    Airlines like China Airlines, Delta, and Korean Air fly from Portland to Thailand in about 24h 30m. The time it takes to get you to your destination can typically vary by up to 7h 57m. The distance from Portland to Thailand is about 7525 mi. This flight may include one or multiple stops.

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

    For one-way options, check prices for Qatar Airways. According to our data, you can fly for as low as $387. Users have also found prices from $399 and $410 on STARLUX Airlines and ANA, respectively.

  • What are the most popular routes from Portland to Thailand?

    Most travelers choose Portland - Bangkok Suvarnabhumi, Portland - Phuket City or Portland - Chiang Mai when deciding on the best route from Portland to Thailand.

  • Can I find deals for flights from Portland to Thailand that include hotel bookings?

    Yes. In addition to deals on Portland to Thailand flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Thailand?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Thailand.

  • Can I find deals for business class flights from Portland to Thailand?

    Yes. Cheapflights offers flight deals from Portland to Thailand 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 Thailand?

    Currently, July is the cheapest month in which you can book a flight from Portland to Thailand (average of $232). Flying from Portland to Thailand in June is currently the most expensive (average of $964). 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.

Alternative routes for Portland to Thailand

See prices for flight routes from nearby airports that may be better suited for you.
Portland to Narita flights
Portland to Haneda flights
Portland to Suvarnabhumi flights
Portland to Manila flights
Portland to Ho Chi Minh City flights
Boise to Haneda flights
Boise to Narita flights
Boise to Suvarnabhumi flights
Portland to Hong Kong flights
Portland to New Delhi flights
Portland to Incheon Intl flights
Eugene to Suvarnabhumi flights
Portland to Hyderabad flights
Portland to Guangzhou flights
Portland to Mumbai flights
Portland to Denpasar flights
Portland to Gimpo Intl flights
Portland to Taiwan Taoyuan Intl flights
Portland to Kansai Intl flights
Boise to Cebu City flights
Portland to Osaka Itami flights
Portland to Phuket City flights
Portland to Bangalore flights
Portland to Singapore flights
Portland to Kuala Lumpur Intl flights
Portland to Soekarno-Hatta Intl flights
Portland to Cebu City flights
Portland to Chitose flights
Eugene to Narita flights
Portland to Chubu Centrair Intl flights
Portland to Hongqiao Intl flights
Portland to Sung Shan flights
Eugene to Taiwan Taoyuan Intl flights
Portland to Colombo flights
Eugene to Haneda flights
Portland to Pu Dong flights
Portland to Da Nang flights
Portland to Kathmandu flights
Medford to Suvarnabhumi flights
Portland to Surabaya flights
Redmond to Suvarnabhumi flights
Portland to Dhaka flights
Medford to Narita flights
Portland to Kobe flights
Medford to Haneda flights
Portland to Kolkata flights
Portland to Chiang Mai flights
Portland to Fukuoka flights
Portland to Malé flights
Boise to Incheon Intl flights

Top 10 airlines flying from Portland to Thailand

Discover the top 10 airlines that operate flights from Portland to Thailand. 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 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$227Average$1,177FlexibilityNo cancel feeOn-timeN/A
Japan AirlinesCheapest$776Average$966FlexibilityNo cancel feeOn-time79%
STARLUX AirlinesCheapest$776Average$950FlexibilityNo cancel feeOn-timeN/A
China AirlinesCheapest$781Average$899FlexibilityNo cancel feeOn-time70%
ANACheapest$785Average$991FlexibilityNo cancel feeOn-time80%
Korean AirCheapest$795Average$1,076FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$817Average$979FlexibilityNo cancel feeOn-time69%
Singapore AirlinesCheapest$820Average$1,147FlexibilityNo cancel feeOn-time81%
Qatar AirwaysCheapest$864Average$1,206FlexibilityNo cancel feeOn-time68%
EVA AirCheapest$920Average$1,155FlexibilityNo cancel feeOn-time74%

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.