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$411+ Cheap flights from Oregon 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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BKK
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Oregon to Thailand

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

Round-trip from

$790
(Trip.com)

One-way from

$411
(FlightHub)

Popular in

December

Cheapest in

September

Average price

$1,548
From Oregon to Thailand
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One-way flight from Oregon to Thailand
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Highest demand for flights based on searches. 8% potential increase in price ($112 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 June 2025
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Find flight deals from Oregon to Thailand

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

This Trip.com deal was found by Cheapflights users on 6/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/304:55 pmPDX - CNX
2 stops39h 00mKorean Air
Sat 9/1311:15 pmCNX - PDX
2 stops28h 04mKorean Air
Deal found 6/11$790
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/236:05 amMFR - BKK
2 stops29h 00mDelta
Mon 10/202:35 amBKK - MFR
2 stops34h 34mDelta
Deal found 6/10$794
This Korean Air deal was found by Cheapflights users on 6/10. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/286:15 amEUG - BKK
2 stops25h 15mKorean Air
Tue 11/111:00 amBKK - EUG
2 stops30h 28mKorean Air
Deal found 6/10$800
This United Airlines deal was found by Cheapflights users on 6/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/286:00 amEUG - BKK
2 stops56h 35mUnited Airlines
Wed 10/87:00 amBKK - EUG
2 stops28h 05mUnited Airlines
Deal found 6/11$809
This Expedia deal was found by Cheapflights users on 6/11. 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.
Mon 10/612:05 pmMFR - BKK
2 stops27h 55mMultiple Airlines
Sun 11/910:50 pmBKK - MFR
2 stops36h 10mMultiple Airlines
Deal found 6/11$832
This IEagle deal was found by Cheapflights users on 6/10. 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.
Tue 9/29:00 amBOI - BKK
2 stops39h 15mKorean Air
Mon 11/171:00 amBKK - BOI
2 stops36h 04mKorean Air
Deal found 6/10$844
This Delta deal was found by Cheapflights users on 6/11. 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.
Sun 8/179:00 amBOI - BKK
2 stops25h 25mDelta
Tue 8/2611:30 pmBKK - BOI
2 stops36h 30mDelta
Deal found 6/11$860
This United Airlines deal was found by Cheapflights users on 6/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/66:00 amMFR - BKK
2 stops27h 55mUnited Airlines
Mon 11/107:10 amBKK - MFR
3 stops30h 20mUnited Airlines
Deal found 6/11$866
This oojo deal was found by Cheapflights users on 6/11. 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 11/103:30 pmPDX - CNX
2 stops27h 55mChina Airlines
Wed 12/311:25 amCNX - PDX
2 stops26h 54mChina Airlines
Deal found 6/11$870
This United Airlines deal was found by Cheapflights users on 6/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/311:37 pmPDX - BKK
2 stops48h 58mUnited Airlines
Wed 8/209:35 amBKK - PDX
2 stops37h 16mUnited Airlines
Deal found 6/11$871
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/67:00 amRDM - BKK
2 stops28h 05mDelta
Fri 9/122:35 amBKK - RDM
2 stops30h 10mDelta
Deal found 6/10$874
This FlightHub deal was found by Cheapflights users on 6/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/610:00 pmPDX - BKK
2 stops28h 40mSTARLUX Airlines
Wed 11/51:45 pmBKK - PDX
2 stops23h 55mSTARLUX Airlines
Deal found 6/12$878

Cheapflights Fare Finder

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

Fly from

Oregon

Fly to

Thailand

Route

Depart

Return

Price

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Sat 8/30

4:55 pm-9:55 pm

2 stops39h 00m

Chiang Mai

Sat 9/13

11:15 pm-1:19 pm

2 stops28h 04m

$790

MedfordBangkok

MFR - BKK

MFRBKK

Medford

Tue 9/23

6:05 am-1:05 am

2 stops29h 00m

Bangkok Suvarnabhumi

Mon 10/20

2:35 am-11:09 pm

2 stops34h 34m

$794

EugeneBangkok

EUG - BKK

EUGBKK

Eugene

Tue 10/28

6:15 am-12:45 am

2 stops28h 30m

Bangkok Suvarnabhumi

Wed 11/12

11:15 pm-4:28 pm

2 stops32h 13m

$800

EugeneBangkok

EUG - BKK

EUGBKK

Eugene

Sun 9/28

6:00 am-4:35 am

2 stops56h 35m

Bangkok Suvarnabhumi

Wed 10/8

7:00 am-9:05 pm

2 stops28h 05m

$809

MedfordBangkok

MFR - BKK

MFRBKK

Medford

Mon 10/6

12:05 pm-6:00 am

2 stops27h 55m

Bangkok Suvarnabhumi

Sun 11/9

10:50 pm-8:00 pm

2 stops36h 10m

$832

BoiseBangkok

BOI - BKK

BOIBKK

Boise Air Term. Gowen Fld

Tue 9/2

9:00 am-1:15 pm

2 stops39h 15m

Bangkok Suvarnabhumi

Mon 11/17

1:00 am-11:04 pm

2 stops36h 04m

$844

BoiseBangkok

BOI - BKK

BOIBKK

Boise Air Term. Gowen Fld

Sun 8/17

5:45 am-11:25 pm

2 stops28h 40m

Bangkok Suvarnabhumi

Sat 8/23

2:35 am-11:50 pm

2 stops34h 15m

$860

MedfordBangkok

MFR - BKK

MFRBKK

Medford

Mon 10/6

6:00 am-11:55 pm

2 stops27h 55m

Bangkok Suvarnabhumi

Mon 11/10

7:10 am-10:30 pm

3 stops30h 20m

$866

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Mon 11/10

3:30 pm-10:25 am

2 stops27h 55m

Chiang Mai

Wed 12/3

11:25 am-11:19 pm

2 stops26h 54m

$870

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Thu 7/31

1:37 pm-4:35 am

2 stops48h 58m

Bangkok Suvarnabhumi

Wed 8/20

9:35 am-8:51 am

2 stops37h 16m

$871

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 60 results
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Best time to book a flight from Oregon to Thailand

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

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

Currently, March is the cheapest month in which you can book a flight from Oregon to Thailand (average of $953). Flying from Oregon to Thailand in December is currently the most expensive (average of $1,574). 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 OR to TH?

Find hourly flight availability from Oregon 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 June 12, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Oregon to Thailand as you normally would.

Rainfall in Thailand by month

Plan your trip to Thailand by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Thailand ranges from 0.4 - 12.6 inches per month. September is typically the wettest month, when rainfall can reach 12.6 in. January is typically the driest time to visit Thailand when rainfall is around 0.4 in.

Temperature in Thailand by month

Plan your trip to Thailand by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Thailand, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 86.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 78.8 F).

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 June 12, 2025.
To help decide which airline to fly from Oregon to Thailand, see what other customers have to say about STARLUX Airlines, EVA Air and Korean Air. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.1
Wonderful
178 reviews

Food

8.8

Boarding

9.0

Entertainment

8.9

Overall

9.1

Comfort

9.0

Crew

9.3

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
9.1
Wonderful
178 reviews
STARLUX Airlines
9.1
Wonderful
178 reviews

Food

8.8

Boarding

9.0

Entertainment

8.9

Overall

9.1

Comfort

9.0

Crew

9.3

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
1,202 reviews
STARLUX Airlines
9.1
Wonderful
178 reviews

Food

8.8

Boarding

9.0

Entertainment

8.9

Overall

9.1

Comfort

9.0

Crew

9.3

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
1,088 reviews
STARLUX Airlines
9.1
Wonderful
178 reviews

Food

8.8

Boarding

9.0

Entertainment

8.9

Overall

9.1

Comfort

9.0

Crew

9.3

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
1,489 reviews
STARLUX Airlines
9.1
Wonderful
178 reviews

Food

8.8

Boarding

9.0

Entertainment

8.9

Overall

9.1

Comfort

9.0

Crew

9.3

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.
China Airlines
8.3
Very good
738 reviews
STARLUX Airlines
9.1
Wonderful
178 reviews

Food

8.8

Boarding

9.0

Entertainment

8.9

Overall

9.1

Comfort

9.0

Crew

9.3

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 Oregon to Thailand. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    To fly one-way, consider booking your trip with ANA, which is currently one of the cheapest options available, starting at $411. United Airlines flights start at $423 while deals on Japan Airlines start at $453 one-way.

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

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

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

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

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

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

    Currently, March is the cheapest month in which you can book a flight from Oregon to Thailand (average of $953). Flying from Oregon to Thailand in December is currently the most expensive (average of $1,574). 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 Oregon to Thailand

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Oregon to Thailand

Discover the top 10 airlines that operate flights from Oregon 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$287Average$1,185FlexibilityNo cancel feeOn-timeN/A
Singapore AirlinesCheapest$479Average$1,080FlexibilityNo cancel feeOn-time81%
China EasternCheapest$750Average$871FlexibilityNo cancel feeOn-time62%
Korean AirCheapest$789Average$1,221FlexibilityNo cancel feeOn-time81%
ANACheapest$793Average$1,008FlexibilityNo cancel feeOn-time80%
Qatar AirwaysCheapest$864Average$1,207FlexibilityNo cancel feeOn-time68%
STARLUX AirlinesCheapest$894Average$974FlexibilityNo cancel feeOn-timeN/A
Japan AirlinesCheapest$925Average$985FlexibilityNo cancel feeOn-time79%
Air CanadaCheapest$928Average$1,192FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$940Average$1,046FlexibilityNo cancel feeOn-time69%

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