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$422+ 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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BKK
May 10 — May 171
Sun 5/10
Sun 5/17
1 adult, Economy
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Cheap 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 April 10, 2026.

This Fareboom deal was found by Cheapflights users on 4/7. 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 Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/189:30 pm
PDX
-
BKK
2 stops22h 15m
China Airlines
Sat 8/2910:50 am
BKK
-
PDX
2 stops36h 35m
China Airlines
Deal found 4/7$904
This Justfly.com deal was found by Cheapflights users on 4/6. 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.
Mon 10/59:59 pm
PDX
-
BKK
2 stops21h 46m
Multiple Airlines
Tue 10/205:30 pm
BKK
-
PDX
2 stops19h 14m
Multiple Airlines
Deal found 4/6$905
This FlightHub deal was found by Cheapflights users on 4/9. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/85:35 pm
PDX
-
BKK
2 stops28h 35m
Multiple Airlines
Mon 9/2110:50 am
BKK
-
PDX
2 stops35h 23m
Multiple Airlines
Deal found 4/9$906
This Fareboom deal was found by Cheapflights users on 4/8. 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 Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:40 pm
PDX
-
BKK
2 stops24h 10m
China Airlines
Wed 11/115:50 pm
BKK
-
PDX
2 stops30h 35m
China Airlines
Deal found 4/8$918
This Justfly.com deal was found by Cheapflights users on 4/7. 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 8/189:30 pm
PDX
-
BKK
2 stops22h 15m
Multiple Airlines
Sat 8/2910:50 am
BKK
-
PDX
2 stops36h 35m
Multiple Airlines
Deal found 4/7$919
This SmartFares deal was found by Cheapflights users on 4/8. 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.
Mon 8/317:22 pm
PDX
-
BKK
2 stops24h 23m
Multiple Airlines
Fri 9/115:30 pm
BKK
-
PDX
2 stops29h 55m
Multiple Airlines
Deal found 4/8$924
This Justfly.com deal was found by Cheapflights users on 4/7. 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.
Mon 8/179:19 am
PDX
-
BKK
2 stops36h 51m
Multiple Airlines
Thu 8/2710:50 am
BKK
-
PDX
2 stops37h 37m
Multiple Airlines
Deal found 4/7$925
This Fareboom deal was found by Cheapflights users on 4/8. 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 Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/67:00 am
PDX
-
BKK
2 stops26h 30m
EVA Air
Tue 5/121:35 am
BKK
-
PDX
2 stops26h 15m
EVA Air
Deal found 4/8$926
This Orbitz deal was found by Cheapflights users on 4/5. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/25:35 pm
PDX
-
BKK
2 stops28h 35m
Multiple Airlines
Wed 9/307:05 am
BKK
-
PDX
1 stop26h 01m
Multiple Airlines
Deal found 4/5$930
This SmartFares deal was found by Cheapflights users on 4/6. 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.
Mon 4/277:18 pm
PDX
-
BKK
2 stops24h 27m
Multiple Airlines
Mon 5/252:40 am
BKK
-
PDX
2 stops45h 07m
Multiple Airlines
Deal found 4/6$931
This Justfly.com deal was found by Cheapflights users on 4/7. 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 8/195:50 pm
PDX
-
BKK
2 stops25h 55m
Multiple Airlines
Thu 8/2710:50 am
BKK
-
PDX
2 stops36h 35m
Multiple Airlines
Deal found 4/7$933
This FlightHub deal was found by Cheapflights users on 4/6. 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 9/155:50 pm
PDX
-
CNX
2 stops26h 30m
Multiple Airlines
Tue 9/2911:20 am
CNX
-
PDX
2 stops34h 53m
Multiple Airlines
Deal found 4/6$938

Find flight deals from Oregon to Thailand

Keep the following information in mind while searching for Oregon to Thailand flight deals. Data was last updated April 10, 2026.

Round-trip from

$904
(Fareboom)

One-way from

$422
(IEagle)

Popular in

December

Cheapest in

April

Average price

$914
From Oregon to Thailand
Search Deals
One-way flight from Oregon to Thailand
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($128 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($56 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

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 April 10, 2026.
Use the filters below to find and compare flights from Oregon to Thailand that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Mon 4/27

7:18 pm-10:20 am

2 stops25h 02m

Chiang Mai

Mon 5/4

11:20 am-4:22 pm

2 stops43h 02m

$952

BoiseBangkok

BOI - BKK

BOIBKK

Boise Air Term. Gowen Fld

Wed 4/29

8:11 am-11:30 pm

2 stops26h 19m

Bangkok Suvarnabhumi

Mon 5/11

1:35 am-10:27 pm

2 stops33h 52m

$967

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Sat 4/25

7:18 pm-10:20 am

2 stops25h 02m

Chiang Mai

Sun 5/10

11:20 am-9:38 am

2 stops36h 18m

$1,011

MedfordBangkok

MFR - BKK

MFRBKK

Medford

Sun 5/3

6:36 pm-4:35 am

2 stops43h 59m

Bangkok Suvarnabhumi

Thu 5/14

9:35 am-5:55 pm

2 stops46h 20m

$1,025

EugeneBangkok

EUG - BKK

EUGBKK

Eugene

Fri 4/24

7:03 am-4:20 pm

2 stops43h 17m

Bangkok Suvarnabhumi

Mon 5/4

2:40 am-10:03 pm

2 stops57h 23m

$1,034

MedfordBangkok

MFR - BKK

MFRBKK

Medford

Fri 5/1

6:36 pm-9:35 am

3 stops48h 59m

Bangkok Suvarnabhumi

Thu 5/14

3:45 pm-5:55 pm

3 stops40h 10m

$1,042

MedfordBangkok

MFR - BKK

MFRBKK

Medford

Sat 5/2

2:07 pm-9:35 am

3 stops53h 28m

Bangkok Suvarnabhumi

Thu 5/14

3:45 pm-5:55 pm

3 stops40h 10m

$1,042

MedfordBangkok

MFR - BKK

MFRBKK

Medford

Mon 4/27

2:12 pm-9:35 am

2 stops29h 23m

Bangkok Suvarnabhumi

Wed 5/27

3:45 pm-10:59 pm

2 stops45h 14m

$1,042

PortlandChiang Mai

PDX - CNX

PDXCNX

Portland

Sat 4/25

7:18 pm-10:20 am

2 stops25h 02m

Chiang Mai

Sun 5/10

11:20 am-9:30 am

2 stops36h 10m

$1,043

EugeneBangkok

EUG - BKK

EUGBKK

Eugene

Sat 5/2

6:00 am-9:35 am

3 stops37h 35m

Bangkok Suvarnabhumi

Sat 5/16

3:45 pm-11:50 am

2 stops34h 05m

$1,045

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/9

Showing 1-10 of 60 resultsSorted by cheapest first
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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, April is the cheapest month in which you can book a flight from Oregon to Thailand (average of $640). Flying from Oregon 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 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 April 10, 2026.

It’s optimal to fly from Oregon 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 Oregon to Thailand?

Use this chart to determine the cheapest time to fly round-trip from Oregon to Thailand. Price data was last updated on March 30, 2025.

Travelers seeking maximum savings on their Oregon 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.

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.

  • How long is the flight from Oregon to Thailand?

    Airlines like China Airlines, United Airlines, and Delta fly from Oregon to Thailand in about 22h 22m. The time it takes to get you to your destination can typically vary by up to 21h 37m. Airlines will cover a distance of 7839 mi. This flight may include one or multiple stops.

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

    To fly one-way, consider booking your trip with Japan Airlines, which is currently one of the cheapest options available, starting at $246. ANA flights start at $302 while deals on STARLUX Airlines start at $399 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, April is the cheapest month in which you can book a flight from Oregon to Thailand (average of $640). Flying from Oregon 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 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 April 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$139Average$836FlexibilityNo cancel feeOn-timeN/A
Cathay PacificCheapest$653Average$1,108FlexibilityNo cancel feeOn-time72%
STARLUX AirlinesCheapest$757Average$879FlexibilityNo cancel feeOn-timeN/A
Singapore AirlinesCheapest$759Average$973FlexibilityNo cancel feeOn-time81%
Korean AirCheapest$763Average$928FlexibilityNo cancel feeOn-time81%
Japan AirlinesCheapest$776Average$1,141FlexibilityNo cancel feeOn-time79%
China AirlinesCheapest$781Average$899FlexibilityNo cancel feeOn-time70%
ANACheapest$785Average$1,047FlexibilityNo cancel feeOn-time80%
United AirlinesCheapest$805Average$959FlexibilityNo cancel feeOn-time69%
EVA AirCheapest$896Average$1,057FlexibilityNo cancel feeOn-time74%

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