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Southeast Asia

$402+ Cheap flights from Portland (PDX) to Southeast Asia

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 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BKK
Apr 29 — May 61
Tue 4/29
Tue 5/6
1 adult, Economy
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Cheap flight deals from Portland to Southeast Asia

Keep the following information in mind while searching for Portland to Southeast Asia flight deals. Data was last updated April 24, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$707
(Air Canada)

One-way from

$402
(China Airlines)

Popular in

December

Cheapest in

September

Average price

$1,067
Provider with most accurate pricing for Portland-Manila Ninoy Aquino Intl flight deals.
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Provider most trusted by Cheapflights users for Portland-Manila Ninoy Aquino Intl flights.
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From Portland to Southeast Asia
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One-way flight from Portland to Southeast Asia
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Highest demand for flights based on searches. 11% potential increase in price ($161 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($42 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Portland to Southeast Asia

Cheapest flights from Portland to Southeast Asia
Explore the most affordable flight options available from Portland to Southeast Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.

This Air Canada deal was found by Cheapflights users on 4/23. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/47:40 pmPDX - SIN
1 stop20h 25mAir Canada
Thu 9/259:10 amSIN - PDX
1 stop20h 36mAir Canada
Deal found 4/23$707
This United Airlines deal was found by Cheapflights users on 4/23. 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.
Sat 4/266:00 amPDX - SIN
1 stop21h 25mUnited Airlines
Sat 5/248:45 amSIN - PDX
1 stop21h 01mUnited Airlines
Deal found 4/23$769
This China Airlines deal was found by Cheapflights users on 4/22. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/75:45 pmPDX - SGN
2 stops25h 55mMultiple Airlines
Sat 10/45:30 pmSGN - PDX
2 stops20h 23mMultiple Airlines
Deal found 4/22$799
This StudentUniverse deal was found by Cheapflights users on 4/22. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/197:10 amPDX - SIN
2 stops29h 50mKorean Air
Tue 12/210:30 pmSIN - PDX
2 stops33h 42mKorean Air
Deal found 4/22$804
This Air Canada deal was found by Cheapflights users on 4/23. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/23:25 pmPDX - SIN
2 stops40h 55mMultiple Airlines
Sat 10/118:00 amSIN - PDX
2 stops25h 46mMultiple Airlines
Deal found 4/23$820
This Gurufare deal was found by Cheapflights users on 4/23. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/97:00 amPDX - DPS
2 stops26h 05mSingapore Airlines
Tue 9/239:45 pmDPS - PDX
2 stops31h 05mSingapore Airlines
Deal found 4/23$824
This oojo deal was found by Cheapflights users on 4/23. 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 11/274:00 pmPDX - SGN
2 stops27h 00mChina Airlines
Sat 12/135:50 pmSGN - PDX
2 stops21h 03mChina Airlines
Deal found 4/23$834
This FlightHub deal was found by Cheapflights users on 4/23. 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 9/177:00 amPDX - SIN
1 stop21h 10mSingapore Airlines
Tue 9/309:15 amSIN - PDX
1 stop19h 35mSingapore Airlines
Deal found 4/23$836
This Air Canada deal was found by Cheapflights users on 4/23. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/133:25 pmPDX - MNL
1 stop23h 55mAir Canada
Sat 9/207:35 pmMNL - PDX
2 stops38h 11mAir Canada
Deal found 4/23$864
This China Airlines deal was found by Cheapflights users on 4/23. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/710:31 amPDX - MNL
2 stops23h 34mMultiple Airlines
Wed 6/410:35 amMNL - PDX
2 stops28h 24mMultiple Airlines
Deal found 4/23$866
This oojo deal was found by Cheapflights users on 4/22. 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 10/17:00 amPDX - MNL
2 stops27h 05mChina Airlines
Sat 11/83:15 amMNL - PDX
2 stops43h 03mChina Airlines
Deal found 4/22$867
This oojo deal was found by Cheapflights users on 4/22. 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.
Sun 4/277:25 amPDX - SGN
2 stops32h 00mJapan Airlines
Sat 5/178:20 amSGN - PDX
2 stops20h 13mJapan Airlines
Deal found 4/22$875

Cheapflights Fare Finder

Customize your flight search to find flights from Portland to Southeast Asia 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 24, 2025.
Use the filters below to find and compare flights from Portland to Southeast Asia that are best for you.

Fly from

Portland

Fly to

Southeast Asia

Route

Depart

Return

Price

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Thu 9/4

7:40 pm-7:05 am

1 stop20h 25m

Singapore Changi

Thu 9/25

9:10 am-2:46 pm

1 stop20h 36m

$707

PortlandHo Chi Minh City

PDX - SGN

PDXSGN

Portland

Sun 9/7

5:45 pm-9:40 am

2 stops25h 55m

Ho Chi Minh City

Sat 10/4

5:30 pm-11:53 pm

2 stops20h 23m

$799

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Wed 5/21

6:11 am-5:00 am

2 stops31h 49m

Singapore Changi

Wed 5/28

7:30 am-2:50 pm

2 stops22h 20m

$808

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Thu 10/2

3:25 pm-11:20 pm

2 stops40h 55m

Singapore Changi

Sat 10/11

8:00 am-6:46 pm

2 stops25h 46m

$820

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Wed 9/17

7:00 am-7:10 pm

1 stop21h 10m

Singapore Changi

Tue 9/30

9:15 am-1:50 pm

1 stop19h 35m

$836

PortlandHo Chi Minh City

PDX - SGN

PDXSGN

Portland

Mon 9/8

10:00 pm-9:40 am

2 stops21h 40m

Ho Chi Minh City

Sun 9/28

5:30 pm-8:57 am

2 stops29h 27m

$840

PortlandManila

PDX - MNL

PDXMNL

Portland

Sat 9/13

3:25 pm-6:20 am

1 stop23h 55m

Manila Ninoy Aquino Intl

Sat 9/20

7:35 pm-6:46 pm

2 stops38h 11m

$864

PortlandManila

PDX - MNL

PDXMNL

Portland

Wed 5/7

7:00 am-1:05 am

2 stops27h 05m

Manila Ninoy Aquino Intl

Wed 6/11

10:35 am-8:48 pm

2 stops25h 13m

$866

PortlandManila

PDX - MNL

PDXMNL

Portland

Wed 10/1

7:00 am-1:05 am

2 stops27h 05m

Manila Ninoy Aquino Intl

Sat 11/8

3:15 am-6:18 am

2 stops43h 03m

$867

PortlandHo Chi Minh City

PDX - SGN

PDXSGN

Portland

Wed 7/16

10:00 am-9:55 pm

2 stops45h 55m

Ho Chi Minh City

Wed 9/10

11:15 pm-6:29 pm

2 stops33h 14m

$880

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 60 results
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Best time to book a flight from Portland to Southeast Asia

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

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

Currently, March is the cheapest month in which you can book a flight from Portland to Southeast Asia (average of $958). Flying from Portland to Southeast Asia 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 PDX to YJX?

Find hourly flight availability from Portland to Southeast Asia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 24, 2025.

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

Rainfall in Southeast Asia by month

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

In terms of precipitation, rainfall in Southeast Asia ranges from 0.4 - 15.7 inches per month. July is typically the wettest month, when rainfall can reach 15.7 in. February is typically the driest time to visit Southeast Asia when rainfall is around 0.4 in.

Temperature in Southeast Asia by month

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

If weather is an important factor for your trip to Southeast Asia, 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 84.2 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 Southeast Asia

Get insights into the airlines that provide service to Southeast Asia. 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 Southeast Asia. Reviews last updated April 24, 2025.
Get a feel of what it's like to fly with STARLUX Airlines, EVA Air and Korean Air from Portland to Southeast Asia by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.1
Wonderful
157 reviews

Entertainment

9.0

Crew

9.3

Comfort

9.0

Overall

9.1

Food

8.9

Boarding

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
STARLUX Airlines
9.1
Wonderful
157 reviews
STARLUX Airlines
9.1
Wonderful
157 reviews

Entertainment

9.0

Crew

9.3

Comfort

9.0

Overall

9.1

Food

8.9

Boarding

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
EVA Air
8.4
Very good
1,180 reviews
STARLUX Airlines
9.1
Wonderful
157 reviews

Entertainment

9.0

Crew

9.3

Comfort

9.0

Overall

9.1

Food

8.9

Boarding

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
Korean Air
8.4
Very good
1,062 reviews
STARLUX Airlines
9.1
Wonderful
157 reviews

Entertainment

9.0

Crew

9.3

Comfort

9.0

Overall

9.1

Food

8.9

Boarding

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
Japan Airlines
8.3
Very good
1,453 reviews
STARLUX Airlines
9.1
Wonderful
157 reviews

Entertainment

9.0

Crew

9.3

Comfort

9.0

Overall

9.1

Food

8.9

Boarding

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
China Airlines
8.3
Very good
727 reviews
STARLUX Airlines
9.1
Wonderful
157 reviews

Entertainment

9.0

Crew

9.3

Comfort

9.0

Overall

9.1

Food

8.9

Boarding

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.

Related info for your journey

Find useful and relevant information for your journey from Portland to Southeast Asia. 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 Southeast Asia?

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

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

    The cheapest airlines for a one-way flight from Portland to Southeast Asia are Air Canada ($435), Qatar Airways ($451), and Delta ($458).

  • What are the most popular routes from Portland to Southeast Asia?

    While some choose either Portland - Ho Chi Minh City or Portland - Manila Ninoy Aquino Intl, Portland - Bangkok Suvarnabhumi is the most popular route from Portland to Southeast Asia.

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

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

  • How can I find direct flights from Portland to Southeast Asia?

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

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

    Yes. Cheapflights offers flight deals from Portland to Southeast Asia 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 Southeast Asia?

    Currently, March is the cheapest month in which you can book a flight from Portland to Southeast Asia (average of $958). Flying from Portland to Southeast Asia 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 Portland to Southeast Asia

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 Kansai Intl flights
Portland to Incheon Intl flights
Portland to Ho Chi Minh City flights
Boise to Narita flights
Portland to Hong Kong flights
Portland to Itami flights
Portland to Manila flights
Boise to Haneda flights
Portland to Taiwan Taoyuan Intl flights
Portland to Nagasaki flights
Portland to Denpasar flights
Portland to Kobe flights
Boise to Suvarnabhumi flights
Portland to Gimpo Intl flights
Portland to Mumbai flights
Portland to New Delhi flights
Portland to Kuala Lumpur Intl flights
Portland to Hongqiao Intl flights
Portland to Singapore flights
Portland to Bangalore flights
Portland to Sung Shan flights
Medford to Suvarnabhumi flights
Portland to Hyderabad flights
Eugene to Suvarnabhumi flights
Portland to Pu Dong flights
Portland to Chiang Mai flights
Portland to Fukuoka flights
Portland to Kathmandu flights
Portland to Chubu Centrair Intl flights
Eugene to Narita flights
Portland to Chennai flights
Boise to Ho Chi Minh City flights
Boise to Singapore flights
Portland to Malé flights
Redmond to Suvarnabhumi flights
Eugene to Haneda flights
Portland to Phnom Penh flights
Portland to Don Mueang Intl flights
Boise to Manila flights
Medford to Haneda flights
Medford to Narita flights
Portland to Colombo flights
Portland to Hanoi flights
Portland to Capital flights
Boise to Denpasar flights
Portland to Guangzhou flights
Portland to Cebu City flights

Top 10 airlines flying from Portland to Southeast Asia

Discover the top 10 airlines that operate flights from Portland to Southeast Asia. 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 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$479Average$1,237FlexibilityNo cancel feeOn-time81%
Air CanadaCheapest$727Average$1,048FlexibilityNo cancel feeOn-time67%
China EasternCheapest$750Average$871FlexibilityNo cancel feeOn-time62%
DeltaCheapest$800Average$1,185FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$845Average$1,173FlexibilityNo cancel feeOn-time69%
Qatar AirwaysCheapest$866Average$1,499FlexibilityNo cancel feeOn-time68%
ANACheapest$878Average$1,028FlexibilityNo cancel feeOn-time80%
Japan AirlinesCheapest$892Average$986FlexibilityNo cancel feeOn-time79%
American AirlinesCheapest$911Average$956FlexibilityNo cancel feeOn-time71%
STARLUX AirlinesCheapest$915Average$964FlexibilityNo cancel feeOn-timeN/A

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