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$403+ 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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BKK
ago. 4 — ago. 111
lun. 8/4
lun. 8/11
1 adult, Economy
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Cheap flight deals from Portland to Thailand

Keep the following information in mind while searching for Portland to Thailand flight deals. Data was last updated julio 30, 2025.

Round-trip from

$811
(FlightHub)

One-way from

$403
(Mytrip)

Popular in

December

Cheapest in

September

Average price

$1,083
From Portland to Thailand
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One-way flight from Portland to Thailand
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Highest demand for flights based on searches. 9% potential increase in price ($122 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($46 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find 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 julio 30, 2025.

This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/45:07 pmPDX - BKK
2 stops40h 38mKorean Air
mar. 11/189:30 pmBKK - PDX
2 stops33h 42mKorean Air
Deal found 7/29$805
This FlightHub deal was found by Cheapflights users on 7/28. 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.
mié. 8/2710:05 amPDX - BKK
2 stops28h 30mANA
mar. 9/97:00 amBKK - PDX
2 stops25h 46mANA
Deal found 7/28$823
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/289:30 pmPDX - BKK
2 stops24h 30mSTARLUX Airlines
jue. 9/41:10 pmBKK - PDX
2 stops21h 15mSTARLUX Airlines
Deal found 7/29$831
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/48:45 pmPDX - BKK
2 stops29h 00mChina Airlines
mar. 11/182:05 pmBKK - PDX
2 stops31h 12mChina Airlines
Deal found 7/29$839
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/107:15 amPDX - BKK
2 stops27h 50mDelta
jue. 8/282:35 amBKK - PDX
2 stops28h 24mDelta
Deal found 7/30$840
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/185:15 amPDX - CNX
2 stops26h 40mDelta
jue. 11/2012:15 amCNX - PDX
2 stops38h 36mDelta
Deal found 7/29$840
This Korean Air 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/219:17 amPDX - CNX
2 stops22h 38mKorean Air
vie. 11/2112:15 amCNX - PDX
2 stops35h 25mKorean Air
Deal found 7/29$846
This United Airlines deal was found by Cheapflights users on 7/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/245:30 amPDX - BKK
2 stops33h 05mUnited Airlines
dom. 8/317:00 amBKK - PDX
2 stops21h 42mUnited Airlines
Deal found 7/28$849
This Justfly.com 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/1710:00 pmPDX - BKK
2 stops31h 00mSingapore Airlines
lun. 12/19:10 pmBKK - PDX
2 stops28h 45mSingapore Airlines
Deal found 7/29$863
This KAYAK deal was found by Cheapflights users on 7/28. 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.
mié. 8/66:15 amPDX - BKK
2 stops28h 25mChina Eastern
lun. 9/82:10 amBKK - PDX
2 stops27h 49mChina Eastern
Deal found 7/28$869
This lastminute.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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/1711:14 amPDX - HKT
2 stops20h 56mKorean Air
lun. 9/111:25 pmHKT - PDX
2 stops36h 23mKorean Air
Deal found 7/30$883
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/219:30 pmPDX - CNX
2 stops28h 50mSTARLUX Airlines
jue. 11/204:55 pmCNX - PDX
2 stops46h 13mSTARLUX Airlines
Deal found 7/29$884

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 julio 30, 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

vie. 1/9

4:00 pm-4:30 pm

2 stops33h 30m

Bangkok Suvarnabhumi

mar. 1/27

5:40 pm-6:53 pm

2 stops40h 13m

$783

PortlandBangkok

PDX - BKK

PDXBKK

Portland

lun. 1/12

9:30 pm-8:00 pm

2 stops31h 30m

Bangkok Suvarnabhumi

mar. 2/3

6:05 pm-1:19 pm

2 stops34h 14m

$794

PortlandBangkok

PDX - BKK

PDXBKK

Portland

mar. 11/4

5:07 pm-12:45 am

2 stops40h 38m

Bangkok Suvarnabhumi

mar. 11/18

9:30 pm-4:12 pm

2 stops33h 42m

$805

PortlandBangkok

PDX - BKK

PDXBKK

Portland

mié. 8/27

10:05 am-4:35 am

2 stops28h 30m

Bangkok Suvarnabhumi

mar. 9/9

7:00 am-6:46 pm

2 stops25h 46m

$823

PortlandBangkok

PDX - BKK

PDXBKK

Portland

lun. 1/5

2:47 pm-12:35 pm

2 stops30h 48m

Bangkok Suvarnabhumi

lun. 1/26

5:40 pm-9:47 am

2 stops31h 07m

$835

PortlandBangkok

PDX - BKK

PDXBKK

Portland

mar. 11/4

8:45 pm-4:45 pm

2 stops29h 00m

Bangkok Suvarnabhumi

mar. 11/18

2:05 pm-6:17 am

2 stops31h 12m

$839

PortlandBangkok

PDX - BKK

PDXBKK

Portland

dom. 8/10

7:15 am-1:05 am

2 stops27h 50m

Bangkok Suvarnabhumi

jue. 8/28

2:35 am-4:59 pm

2 stops28h 24m

$840

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

jue. 9/18

5:15 am-9:55 pm

2 stops26h 40m

Chiang Mai

jue. 11/20

12:15 am-11:51 pm

2 stops38h 36m

$840

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

dom. 9/21

9:17 am-9:55 pm

2 stops22h 38m

Chiang Mai

vie. 11/21

12:15 am-8:40 pm

2 stops35h 25m

$846

PortlandBangkok

PDX - BKK

PDXBKK

Portland

dom. 8/24

5:30 am-4:35 am

2 stops33h 05m

Bangkok Suvarnabhumi

dom. 8/31

7:00 am-2:42 pm

2 stops21h 42m

$849

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 51 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, September is the cheapest month in which you can book a flight from Portland to Thailand (average of $946). Flying from Portland to Thailand in December is currently the most expensive (average of $1,563). 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 julio 30, 2025.

When flying from Portland to Thailand, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 julio 30, 2025.
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.
STARLUX Airlines
9.0
Wonderful
199 reviews

Food

8.8

Boarding

9.0

Comfort

8.9

Crew

9.3

Overall

9.0

Entertainment

8.9

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
STARLUX Airlines
9.0
Wonderful
199 reviews
STARLUX Airlines
9.0
Wonderful
199 reviews

Food

8.8

Boarding

9.0

Comfort

8.9

Crew

9.3

Overall

9.0

Entertainment

8.9

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
EVA Air
8.4
Very good
1,222 reviews
STARLUX Airlines
9.0
Wonderful
199 reviews

Food

8.8

Boarding

9.0

Comfort

8.9

Crew

9.3

Overall

9.0

Entertainment

8.9

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
Korean Air
8.4
Very good
1,121 reviews
STARLUX Airlines
9.0
Wonderful
199 reviews

Food

8.8

Boarding

9.0

Comfort

8.9

Crew

9.3

Overall

9.0

Entertainment

8.9

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
ANA
8.4
Very good
922 reviews
STARLUX Airlines
9.0
Wonderful
199 reviews

Food

8.8

Boarding

9.0

Comfort

8.9

Crew

9.3

Overall

9.0

Entertainment

8.9

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
Japan Airlines
8.3
Very good
1,536 reviews
STARLUX Airlines
9.0
Wonderful
199 reviews

Food

8.8

Boarding

9.0

Comfort

8.9

Crew

9.3

Overall

9.0

Entertainment

8.9

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

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.

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

    For one-way options, check prices for Korean Air. According to our data, you can fly for as low as $442. Users have also found prices from $446 and $456 on ANA and Delta, respectively.

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

    Most travelers choose Portland - Bangkok Suvarnabhumi, Portland - Chiang Mai or Portland - Bangkok Don Mueang Intl 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, September is the cheapest month in which you can book a flight from Portland to Thailand (average of $946). Flying from Portland to Thailand in December is currently the most expensive (average of $1,563). 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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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 Singapore flights
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Boise to Manila flights
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Eugene to Singapore flights
Medford to Suvarnabhumi flights
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Eugene to Narita flights
Eugene to Haneda flights
Portland to Fukuoka flights
Portland to Capital flights
Eugene to Suvarnabhumi flights
Portland to Hongqiao Intl flights
Portland to Chubu Centrair Intl flights
Portland to Kathmandu flights
Portland to Hanoi flights
Redmond to Suvarnabhumi flights
Boise to Suvarnabhumi flights
Portland to Soekarno-Hatta Intl flights
Portland to Okinawa flights
Portland to Lahore flights
Portland to Chitose flights
Portland to Pu Dong flights
Boise to Denpasar flights
Portland to Chennai flights
Portland to Surabaya flights
Portland to Cebu City flights
Portland to Don Mueang Intl flights
Portland to Malé flights
Boise to Capital flights
Medford to Narita flights
Portland to Guangzhou 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 julio 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$287Average$1,245FlexibilityNo cancel feeOn-timeN/A
Singapore AirlinesCheapest$479Average$1,107FlexibilityNo cancel feeOn-time81%
China EasternCheapest$750Average$871FlexibilityNo cancel feeOn-time62%
Korean AirCheapest$789Average$1,350FlexibilityNo cancel feeOn-time81%
ANACheapest$793Average$988FlexibilityNo cancel feeOn-time80%
China AirlinesCheapest$837Average$909FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$852Average$1,012FlexibilityNo cancel feeOn-time69%
STARLUX AirlinesCheapest$862Average$963FlexibilityNo cancel feeOn-timeN/A
Qatar AirwaysCheapest$864Average$1,207FlexibilityNo cancel feeOn-time68%
Japan AirlinesCheapest$925Average$980FlexibilityNo cancel feeOn-time79%

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