Thailand

$344+ 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
Mar 15 — Mar 221
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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 February 13, 2026.

This KAYAK deal was found by Cheapflights users on 2/12. 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 11/172:30 pm
PDX
-
HKT
2 stops29h 50m
Multiple Airlines
Wed 11/256:35 pm
HKT
-
PDX
2 stops29h 50m
Multiple Airlines
Deal found 2/12$839
This oojo deal was found by Cheapflights users on 2/9. 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 9/36:07 am
PDX
-
HKT
2 stops23h 08m
Singapore Airlines
Mon 9/73:00 pm
HKT
-
PDX
2 stops32h 25m
Singapore Airlines
Deal found 2/9$846
This oojo deal was found by Cheapflights users on 2/10. 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.
Mon 5/45:49 pm
PDX
-
HKT
2 stops30h 21m
Singapore Airlines
Wed 5/208:10 pm
HKT
-
PDX
2 stops34h 40m
Singapore Airlines
Deal found 2/10$847
This SmartFares deal was found by Cheapflights users on 2/9. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/122:50 pm
PDX
-
CNX
2 stops29h 30m
Multiple Airlines
Tue 6/911:20 am
CNX
-
PDX
2 stops36h 05m
Multiple Airlines
Deal found 2/9$850
This oojo deal was found by Cheapflights users on 2/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2710:51 am
PDX
-
HKT
2 stops33h 59m
Cathay Pacific
Wed 5/136:20 pm
HKT
-
PDX
2 stops29h 09m
Cathay Pacific
Deal found 2/11$867
This oojo deal was found by Cheapflights users on 2/13. 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.
Wed 2/257:05 am
PDX
-
HKT
2 stops37h 15m
Cathay Pacific
Tue 3/1712:20 pm
HKT
-
PDX
2 stops35h 30m
Cathay Pacific
Deal found 2/13$874
This United Airlines deal was found by Cheapflights users on 2/9. 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 9/16:00 pm
PDX
-
BKK
3 stops25h 35m
United Airlines
Tue 9/223:45 pm
BKK
-
PDX
3 stops31h 23m
United Airlines
Deal found 2/9$877
This IEagle deal was found by Cheapflights users on 2/10. 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 IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/135:50 pm
PDX
-
BKK
2 stops25h 55m
Multiple Airlines
Sun 6/710:50 am
BKK
-
PDX
2 stops26h 13m
Multiple Airlines
Deal found 2/10$880
This oojo deal was found by Cheapflights users on 2/13. 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.
Wed 5/132:45 pm
PDX
-
BKK
2 stops31h 25m
China Airlines
Sun 6/710:50 am
BKK
-
PDX
2 stops36h 42m
China Airlines
Deal found 2/13$881
This United Airlines deal was found by Cheapflights users on 2/13. 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 10/57:44 pm
PDX
-
BKK
2 stops42h 51m
United Airlines
Sun 10/183:45 pm
BKK
-
PDX
2 stops36h 32m
United Airlines
Deal found 2/13$882
This oojo deal was found by Cheapflights users on 2/9. 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 10/25:40 pm
PDX
-
BKK
2 stops32h 40m
China Airlines
Sun 10/185:30 pm
BKK
-
PDX
2 stops30h 55m
China Airlines
Deal found 2/9$883
This oojo deal was found by Cheapflights users on 2/12. 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.
Sat 10/175:40 pm
PDX
-
BKK
2 stops26h 05m
China Airlines
Sat 10/3110:55 am
BKK
-
PDX
2 stops37h 30m
China Airlines
Deal found 2/12$884

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 February 13, 2026.

Round-trip from

$847
(oojo)

One-way from

$344
(oojo)

Popular in

December

Cheapest in

August

Average price

$1,046
From Portland to Thailand
One-way flight from Portland to Thailand
Highest demand for flights based on searches. 9% potential increase in price ($119 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($54 potential savings vs. average RT price).
Average for round-trip flights in February 2026

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 February 13, 2026.
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

PortlandPhuket City

PDX - HKT

PDXHKT

Portland

Mon 4/27

10:51 am-10:50 am

2 stops33h 59m

Phuket City

Wed 5/13

6:20 pm-9:29 am

2 stops29h 09m

$867

PortlandPhuket City

PDX - HKT

PDXHKT

Portland

Wed 2/25

7:05 am-11:20 am

2 stops37h 15m

Phuket City

Tue 3/17

12:20 pm-9:50 am

2 stops35h 30m

$874

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Wed 5/13

2:45 pm-12:10 pm

2 stops31h 25m

Bangkok Suvarnabhumi

Sun 6/7

10:50 am-9:32 am

2 stops36h 42m

$881

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 4/6

7:15 am-9:35 am

2 stops36h 20m

Bangkok Suvarnabhumi

Thu 5/7

3:45 pm-6:46 pm

3 stops41h 01m

$886

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Thu 2/19

3:50 pm-11:25 am

2 stops28h 35m

Bangkok Suvarnabhumi

Wed 3/11

4:55 pm-12:33 pm

3 stops33h 38m

$886

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 3/9

5:30 am-11:25 am

3 stops39h 55m

Bangkok Suvarnabhumi

Thu 3/12

4:55 pm-11:04 pm

2 stops20h 09m

$886

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Sun 2/22

7:57 pm-5:10 am

2 stops42h 13m

Bangkok Suvarnabhumi

Sun 3/8

4:55 pm-5:48 pm

2 stops39h 53m

$888

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 3/9

5:40 pm-12:35 pm

2 stops28h 55m

Bangkok Suvarnabhumi

Thu 3/12

5:40 pm-10:41 pm

2 stops43h 01m

$889

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Tue 3/10

7:30 am-11:25 am

2 stops37h 55m

Bangkok Suvarnabhumi

Sun 3/15

4:55 pm-12:33 pm

2 stops33h 38m

$889

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Mon 2/16

3:50 pm-11:25 am

2 stops28h 35m

Bangkok Suvarnabhumi

Sun 3/15

4:55 pm-6:48 pm

2 stops39h 53m

$889

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/10

Showing 1-10 of 58 results
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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 $265). Flying from Portland to Thailand 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 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 February 13, 2026.

It’s optimal to fly from Portland to Thailand in the morning. By choosing this option you can save up to 66% 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 March 30, 2025.

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 February 13, 2026.
Get a feel of what it's like to fly with STARLUX Airlines, EVA Air, and Korean Air 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.

Crew

9.2

Overall

8.9

Entertainment

8.8

Comfort

8.9

Boarding

8.9

Food

8.7

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.

Crew

9.2

Overall

8.9

Entertainment

8.8

Comfort

8.9

Boarding

8.9

Food

8.7

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.

Crew

9.2

Overall

8.9

Entertainment

8.8

Comfort

8.9

Boarding

8.9

Food

8.7

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.

Crew

9.2

Overall

8.9

Entertainment

8.8

Comfort

8.9

Boarding

8.9

Food

8.7

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.

Crew

9.2

Overall

8.9

Entertainment

8.8

Comfort

8.9

Boarding

8.9

Food

8.7

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.

Crew

9.2

Overall

8.9

Entertainment

8.8

Comfort

8.9

Boarding

8.9

Food

8.7

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.

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 Cathay Pacific, China Airlines, and United Airlines fly from Portland to Thailand in about 31h 25m. The time it takes to get you to your destination can typically vary by up to 4h 55m. 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 Japan Airlines. According to our data, you can fly for as low as $246. Users have also found prices from $302 and $387 on ANA and Qatar Airways, respectively.

  • What are the most popular routes 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 $265). Flying from Portland to Thailand 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Portland to Thailand

See prices for flight routes from nearby airports that may be better suited for you.

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 February 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$139Average$855FlexibilityNo cancel feeOn-timeN/A
STARLUX AirlinesCheapest$757Average$928FlexibilityNo cancel feeOn-timeN/A
Singapore AirlinesCheapest$759Average$980FlexibilityNo cancel feeOn-time81%
Japan AirlinesCheapest$776Average$946FlexibilityNo cancel feeOn-time79%
China AirlinesCheapest$781Average$899FlexibilityNo cancel feeOn-time70%
ANACheapest$785Average$984FlexibilityNo cancel feeOn-time80%
Korean AirCheapest$795Average$1,049FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$821Average$968FlexibilityNo cancel feeOn-time69%
Qatar AirwaysCheapest$864Average$1,033FlexibilityNo cancel feeOn-time68%
EVA AirCheapest$896Average$1,035FlexibilityNo cancel feeOn-time74%

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