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.

What are the most popular airlines that fly from Portland to Southeast Asia?

The most popular airlines flying from Portland to Southeast Asia are Air Canada, Cathay Pacific and Delta. Something to consider prior to booking your flight.

How far in advance should I book a flight from Portland to Southeast Asia?

To save on the cost of your flight from Portland to Southeast Asia, book at least 36 days before your planned departure. Booking around this time can save you about 20% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $908 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $1,027.

What is the cheapest month to fly from Portland to Southeast Asia?

September can be a great time to fly to Southeast Asia from Portland with a flight ticket averaging about $1,227. Cheapflights users have found deals in the month of September for as cheap as $890. The most expensive prices can be found in the month of December.

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.

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.

$432+ Flights from Portland to Southeast Asia

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Cheap flight deals from Portland to Southeast Asia

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$706 (Air Canada)
One-way from	$432 (Kiwi.com)
Popular in	December
Cheapest in	September
Average price	$1,083

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

Search Deals

One-way flight from Portland to Southeast Asia

Search Deals

Highest demand for flights based on searches. 10% potential increase in price ($141 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($37 potential savings vs. average RT price).

Search Deals

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 3, 2025.

Thu 9/410:00 amPDX - SIN

1 stop30h 05mAir Canada

Thu 9/259:10 amSIN - PDX

1 stop24h 36mAir Canada

Deal found 3/31

$706

Wed 10/157:40 pmPDX - SIN

2 stops36h 40mMultiple Airlines

Tue 10/282:20 amSIN - PDX

2 stops22h 14mMultiple Airlines

Deal found 4/2

$779

Thu 5/88:00 pmPDX - SIN

2 stops42h 00mDelta

Thu 5/157:30 amSIN - PDX

2 stops31h 40mDelta

Deal found 4/2

$806

Fri 4/259:12 amPDX - SIN

2 stops28h 48mKorean Air

Sat 5/107:30 amSIN - PDX

2 stops22h 20mKorean Air

Deal found 4/2

$807

Tue 10/287:00 amPDX - DPS

2 stops25h 55mSingapore Airlines

Sun 11/99:45 pmDPS - PDX

2 stops31h 34mSingapore Airlines

Deal found 4/2

$826

Wed 9/177:00 amPDX - SIN

1 stop21h 10mSingapore Airlines

Tue 9/309:15 amSIN - PDX

1 stop19h 35mSingapore Airlines

Deal found 4/2

$835

Thu 10/2310:10 amPDX - SGN

2 stops45h 45mANA

Sun 11/211:05 pmSGN - PDX

2 stops34h 19mANA

Deal found 4/2

$864

Tue 9/95:45 pmPDX - SGN

2 stops25h 55mMultiple Airlines

Tue 10/145:30 pmSGN - PDX

2 stops20h 23mMultiple Airlines

Deal found 4/1

$873

Mon 9/295:45 amPDX - SIN

1 stop21h 40mUnited Airlines

Fri 10/108:45 amSIN - PDX

1 stop24h 51mUnited Airlines

Deal found 4/1

$881

Wed 10/295:30 amPDX - SGN

2 stops26h 45mDelta

Tue 11/411:40 pmSGN - PDX

2 stops36h 09mDelta

Deal found 4/2

$891

Sun 8/317:41 pmPDX - SGN

2 stops36h 14mUnited Airlines

Sun 9/2111:15 pmSGN - PDX

2 stops27h 28mUnited Airlines

Deal found 4/1

$897

Sun 8/36:00 amPDX - SGN

2 stops40h 35mKorean Air

Thu 8/281:55 pmSGN - PDX

2 stops46h 23mKorean Air

Deal found 4/2

$899

Best flights from Portland to Southeast Asia
Discover carefully curated flight deals from Portland to Southeast Asia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 3, 2025.

Thu 9/43:25 pmPDX - SIN

1 stop24h 40mAir Canada

Thu 9/259:10 amSIN - PDX

1 stop28h 46mAir Canada

Deal found 4/2

$706

Thu 5/88:00 pmPDX - SIN

2 stops42h 00mDelta

Thu 5/157:30 amSIN - PDX

2 stops31h 40mDelta

Deal found 4/2

$806

Fri 4/259:12 amPDX - SIN

2 stops28h 48mKorean Air

Sat 5/107:30 amSIN - PDX

2 stops22h 20mKorean Air

Deal found 4/2

$807

Wed 9/177:00 amPDX - SIN

1 stop21h 10mSingapore Airlines

Tue 9/309:15 amSIN - PDX

1 stop19h 35mSingapore Airlines

Deal found 4/2

$835

Sat 5/1710:00 amPDX - SIN

2 stops61h 45mMultiple Airlines

Sat 5/249:10 amSIN - PDX

1 stop20h 30mMultiple Airlines

Deal found 4/2

$867

Thu 9/47:00 amPDX - SIN

2 stops26h 20mJapan Airlines

Wed 9/241:55 amSIN - PDX

2 stops34h 35mJapan Airlines

Deal found 4/2

$885

Mon 4/286:00 amPDX - SGN

2 stops28h 15mANA

Mon 6/2311:15 pmSGN - PDX

2 stops33h 31mANA

Deal found 4/2

$914

Fri 4/186:00 amPDX - SIN

1 stop21h 25mUnited Airlines

Sat 5/38:40 pmSIN - PDX

1 stop18h 51mUnited Airlines

Deal found 4/2

$916

Wed 4/2310:00 pmPDX - BKK

2 stops28h 40mSTARLUX Airlines

Fri 5/235:50 pmBKK - PDX

2 stops39h 10mSTARLUX Airlines

Deal found 4/3

$962

Tue 5/62:52 pmPDX - CEB

2 stops28h 58mEVA Air

Tue 5/2712:15 pmCEB - PDX

2 stops40h 21mEVA Air

Deal found 4/1

$983

Sat 8/309:30 pmPDX - CNX

2 stops36h 10mAsiana Airlines

Fri 9/1212:45 amCNX - PDX

2 stops29h 45mAsiana Airlines

Deal found 4/2

$990

Mon 9/17:30 pmPDX - KUL

2 stops25h 35mCathay Pacific

Tue 9/301:10 pmKUL - PDX

2 stops22h 21mCathay Pacific

Deal found 4/1

$1,017

Last-minute flights from Portland to Southeast Asia
Discover last-minute flight deals from Portland to Southeast Asia. Data last updated April 3, 2025 and is based on user searches.

Thu 4/36:00 amPDX - HAN

2 stops26h 15mUnited Airlines

Thu 4/1011:35 pmHAN - PDX

2 stops32h 58mUnited Airlines

Deal found 4/2

$918

Mon 4/79:12 amPDX - DPS

2 stops23h 23mKorean Air

Mon 4/1411:45 pmDPS - PDX

2 stops37h 37mKorean Air

Deal found 4/2

$950

Mon 4/77:54 amPDX - MNL

2 stops22h 21mANA

Wed 4/169:10 amMNL - PDX

2 stops24h 23mANA

Deal found 4/1

$1,115

Mon 4/71:25 pmPDX - DPS

2 stops37h 10mQatar Airways

Sun 4/1312:35 amDPS - PDX

2 stops30h 49mQatar Airways

Deal found 4/2

$1,227

Tue 4/87:41 pmPDX - DPS

2 stops28h 34mMultiple Airlines

Thu 4/174:30 pmDPS - PDX

2 stops31h 02mMultiple Airlines

Deal found 4/2

$1,170

Wed 4/91:45 pmPDX - MNL

2 stops49h 35mAir Canada

Sat 5/39:25 amMNL - PDX

1 stop14h 55mAir Canada

Deal found 4/1

$978

Wed 4/911:36 amPDX - BKK

2 stops23h 49mMultiple Airlines

Mon 4/145:30 pmBKK - PDX

2 stops29h 02mMultiple Airlines

Deal found 4/2

$983

Wed 4/96:00 amPDX - BKK

1 stop33h 15mAir Canada

Sat 5/178:10 pmBKK - PDX

2 stops36h 35mAir Canada

Deal found 4/2

$1,305

Wed 4/96:05 amPDX - MNL

2 stops28h 15mChina Eastern

Fri 5/23:55 amMNL - PDX

2 stops26h 58mChina Eastern

Deal found 4/1

$1,344

Thu 4/107:00 amPDX - MNL

2 stops24h 50mMultiple Airlines

Tue 4/226:50 pmMNL - PDX

2 stops33h 59mMultiple Airlines

Deal found 4/2

$960

Fri 4/116:00 amPDX - SIN

1 stop21h 25mUnited Airlines

Fri 4/259:00 amSIN - PDX

1 stop20h 57mUnited Airlines

Deal found 4/1

$1,064

Fri 4/117:23 amPDX - SIN

2 stops30h 37mDelta

Thu 4/241:10 amSIN - PDX

2 stops36h 12mDelta

Deal found 4/1

$1,345

One-way flights from Portland to Southeast Asia
Search for one-way flight options from Portland to Southeast Asia. Find affordable one-way fares based on user searches. Data last updated April 3, 2025.

Sat 4/199:40 amPDX - MNL

2 stops46h 15mMultiple Airlines

Deal found 4/2

$432

Wed 4/307:05 pmPDX - MNL

1 stop20h 15mAir Canada

Deal found 4/2

$435

Wed 4/3010:35 amPDX - BKK

2 stops30h 45mQatar Airways

Deal found 4/2

$451

Thu 9/185:30 amPDX - SIN

2 stops27h 10mDelta

Deal found 4/2

$458

Mon 5/125:40 pmPDX - BKK

3 stops55h 15mMultiple Airlines

Deal found 4/2

$458

Thu 9/1810:00 amPDX - SIN

1 stop30h 05mAir Canada

Deal found 4/2

$475

Fri 4/259:34 pmPDX - MNL

2 stops34h 21mCathay Pacific

Deal found 4/2

$483

Wed 4/95:00 amPDX - SGN

2 stops29h 15mUnited Airlines

Deal found 4/2

$484

Mon 4/214:54 pmPDX - DPS

2 stops39h 41mKorean Air

Deal found 4/2

$492

Tue 7/81:37 pmPDX - HAN

2 stops42h 38mUnited Airlines

Deal found 4/1

$492

Wed 7/97:47 amPDX - HAN

2 stops48h 28mANA

Deal found 4/1

$505

Thu 4/107:00 amPDX - BKK

2 stops26h 50mCathay Pacific

Deal found 4/3

$507

Cheapflights Fare Finder

Use the filters below to find and compare flights from Portland to Southeast Asia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Thu 9/4

10:00 am-7:05 am

1 stop30h 05m

Singapore Changi

Thu 9/25

9:10 am-6:46 pm

1 stop24h 36m

$706

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Fri 9/12

3:25 pm-10:40 pm

2 stops40h 15m

Singapore Changi

Tue 9/23

9:10 am-5:38 pm

2 stops23h 28m

$783

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Thu 5/8

8:00 pm-5:00 am

2 stops42h 00m

Singapore Changi

Thu 5/15

7:30 am-12:10 am

2 stops31h 40m

$806

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Fri 4/25

9:12 am-5:00 am

2 stops28h 48m

Singapore Changi

Sat 5/10

7:30 am-2:50 pm

2 stops22h 20m

$807

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

$835

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Mon 9/29

5:45 am-6:25 pm

1 stop21h 40m

Singapore Changi

Tue 10/7

8:40 pm-10:15 am

1 stop28h 35m

$881

PortlandDenpasar

PDX - DPS

PDXDPS

Portland

Sat 9/20

7:00 am-12:05 am

2 stops26h 05m

Denpasar Bali Ngurah Rai

Tue 9/30

9:45 pm-1:50 pm

2 stops31h 05m

$897

PortlandHanoi

PDX - HAN

PDXHAN

Portland

Mon 9/15

5:45 pm-10:35 am

2 stops26h 50m

Hanoi Noibai

Tue 9/23

5:50 pm-11:59 pm

2 stops20h 09m

$907

PortlandHo Chi Minh City

PDX - SGN

PDXSGN

Portland

Mon 4/28

9:12 am-11:15 pm

2 stops24h 03m

Ho Chi Minh City

Fri 5/23

7:35 am-2:50 pm

2 stops21h 15m

$913

PortlandHo Chi Minh City

PDX - SGN

PDXSGN

Portland

Mon 4/28

6:00 am-12:15 am

2 stops28h 15m

Ho Chi Minh City

Mon 6/23

11:15 pm-6:46 pm

2 stops33h 31m

$914

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Showing 1-10 of 60 results

...

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?

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

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

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 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

147 reviews

Reviews

1 / 5

10.0

Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

STARLUX Airlines

9.1

Wonderful

147 reviews

STARLUX Airlines

9.1

Wonderful

147 reviews

Reviews

1 / 5

10.0

Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

EVA Air

8.4

Very good

1,170 reviews

STARLUX Airlines

9.1

Wonderful

147 reviews

Reviews

1 / 5

10.0

Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

Korean Air

8.4

Very good

1,052 reviews

STARLUX Airlines

9.1

Wonderful

147 reviews

Reviews

1 / 5

10.0

Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

Japan Airlines

8.3

Very good

1,440 reviews

STARLUX Airlines

9.1

Wonderful

147 reviews

Reviews

1 / 5

10.0

Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

ANA

8.3

Very good

830 reviews

STARLUX Airlines

9.1

Wonderful

147 reviews

Reviews

1 / 5

10.0

Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

Related info for your journey

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

Browse thousands of different options on Cheapflights for your next trip

Top 10 airlines flying from Portland to Southeast Asia

Airline	Cheapest	Average	Flexibility	On-time
Singapore Airlines	Cheapest$479	Average$1,235	FlexibilityNo cancel fee	On-time81%
Air Canada	Cheapest$727	Average$1,105	FlexibilityNo cancel fee	On-time67%
China Eastern	Cheapest$750	Average$871	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$800	Average$1,187	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$845	Average$1,163	FlexibilityNo cancel fee	On-time69%
Qatar Airways	Cheapest$866	Average$1,492	FlexibilityNo cancel fee	On-time68%
Japan Airlines	Cheapest$892	Average$989	FlexibilityNo cancel fee	On-time79%
ANA	Cheapest$899	Average$1,029	FlexibilityNo cancel fee	On-time80%
American Airlines	Cheapest$911	Average$956	FlexibilityNo cancel fee	On-time71%
STARLUX Airlines	Cheapest$915	Average$964	FlexibilityNo cancel fee	On-timeN/A

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$432+ 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 4/19. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Portland to Southeast Asia with Cheapflights

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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 3, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Portland to Southeast Asia

Cheapest flights from Portland to Southeast AsiaExplore 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 3, 2025.

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 3, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Portland to Southeast Asia that are best for you.

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.

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?

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 3, 2025.

Rainfall in Southeast Asia by month

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

Temperature in Southeast Asia by month

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

Reviews of airlines servicing Southeast Asia

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?

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

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

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Portland to Southeast Asia

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

Top 10 airlines flying from Portland to Southeast Asia

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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 3, 2025.