Southeast Asia

$399+ 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 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — BKK
Feb 25 — Mar 41
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Portland to Southeast Asia with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$757
(Justfly.com)

One-way from

$399
(United)

Popular in

December

Cheapest in

September

Average price

$1,096
Provider with most accurate pricing for Portland-Manila Ninoy Aquino Intl flight deals.
Provider most trusted by Cheapflights users for Portland-Manila Ninoy Aquino Intl flights.
From Portland to Southeast Asia
One-way flight from Portland to Southeast Asia
Highest demand for flights based on searches. 10% potential increase in price ($145 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($41 potential savings vs. average RT price).
Average for round-trip flights in February 2025

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 February 20, 2025.

This Air Canada deal was found by Cheapflights users on 2/19. 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 9/43:25 pmPDX - SIN
1 stop24h 40mAir Canada
Thu 9/259:10 amSIN - PDX
1 stop28h 46mAir Canada
Deal found 2/19$706
This Delta deal was found by Cheapflights users on 2/19. 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 8/39:10 amPDX - SIN
2 stops23h 30mDelta
Fri 1/1611:00 amSIN - PDX
2 stops23h 41mDelta
Deal found 2/19$801
This FlightHub deal was found by Cheapflights users on 2/20. 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.
Thu 4/1710:10 amPDX - SIN
1 stop29h 55mMultiple Airlines
Wed 4/3011:40 pmSIN - PDX
2 stops38h 15mMultiple Airlines
Deal found 2/20$809
This United Airlines deal was found by Cheapflights users on 2/20. 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 2/277:46 amPDX - SIN
1 stop20h 29mUnited Airlines
Wed 3/1210:10 amSIN - PDX
2 stops27h 45mUnited Airlines
Deal found 2/20$861
This United Airlines deal was found by Cheapflights users on 2/18. 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 9/188:15 amPDX - SGN
2 stops25h 30mUnited Airlines
Sun 10/1210:45 pmSGN - PDX
2 stops35h 20mUnited Airlines
Deal found 2/18$924
This Gotogate deal was found by Cheapflights users on 2/20. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/78:59 pmPDX - SGN
2 stops23h 16mSTARLUX Airlines
Tue 4/2211:30 amSGN - PDX
2 stops21h 30mSTARLUX Airlines
Deal found 2/20$928
This KAYAK deal was found by Cheapflights users on 2/18. 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.
Tue 9/305:45 amPDX - SGN
2 stops49h 40mANA
Sun 10/2611:05 pmSGN - PDX
2 stops33h 19mANA
Deal found 2/18$929
This Justfly.com deal was found by Cheapflights users on 2/19. 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.
Thu 11/136:00 amPDX - SIN
2 stops26h 10mKorean Air
Sat 12/271:30 amSIN - PDX
2 stops36h 30mKorean Air
Deal found 2/19$932
This Orbitz deal was found by Cheapflights users on 2/18. 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 7/307:47 amPDX - SGN
2 stops25h 58mMultiple Airlines
Sat 8/3010:45 pmSGN - PDX
2 stops39h 08mMultiple Airlines
Deal found 2/18$941
This Expedia deal was found by Cheapflights users on 2/18. 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.
Sun 4/611:50 amPDX - CEB
2 stops28h 50mMultiple Airlines
Fri 6/611:40 amCEB - PDX
2 stops27h 04mMultiple Airlines
Deal found 2/18$948
This Justfly.com deal was found by Cheapflights users on 2/20. 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 4/158:59 pmPDX - BKK
2 stops25h 01mSTARLUX Airlines
Thu 5/151:10 pmBKK - PDX
2 stops19h 50mSTARLUX Airlines
Deal found 2/20$958
This Gurufare deal was found by Cheapflights users on 2/19. 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 8/57:47 amPDX - BKK
2 stops26h 08mANA
Wed 8/277:00 amBKK - PDX
2 stops21h 42mANA
Deal found 2/19$959

Find flights from Portland to Southeast Asia within your budget

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 February 20, 2025.

Fly from

Portland

Fly to

Southeast Asia

Route

Depart

Return

Price

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Wed 4/16

3:25 pm-11:15 am

2 stops28h 50m

Singapore Changi

Thu 5/1

8:50 pm-2:40 pm

2 stops32h 50m

$757

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Sun 4/27

9:12 am-11:40 pm

2 stops23h 28m

Singapore Changi

Mon 5/12

7:30 am-5:04 pm

2 stops24h 34m

$802

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Thu 4/17

10:10 am-7:05 am

1 stop29h 55m

Singapore Changi

Wed 4/30

11:40 pm-10:55 pm

2 stops38h 15m

$809

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Thu 2/27

7:46 am-8:15 pm

1 stop20h 29m

Singapore Changi

Wed 3/12

10:10 am-9:13 am

1 stop38h 03m

$861

PortlandHo Chi Minh City

PDX - SGN

PDXSGN

Portland

Mon 4/7

8:59 pm-10:15 am

2 stops23h 16m

Ho Chi Minh City

Tue 4/22

11:30 am-7:00 pm

2 stops21h 30m

$928

PortlandHo Chi Minh City

PDX - SGN

PDXSGN

Portland

Sun 3/2

7:16 pm-10:00 am

2 stops23h 44m

Ho Chi Minh City

Sat 3/15

11:00 am-10:56 pm

2 stops25h 56m

$944

PortlandHo Chi Minh City

PDX - SGN

PDXSGN

Portland

Tue 4/22

1:39 pm-11:45 pm

3 stops44h 06m

Ho Chi Minh City

Sat 5/10

7:00 am-8:53 pm

2 stops27h 53m

$947

PortlandCebu City

PDX - CEB

PDXCEB

Portland

Sun 4/6

11:50 am-7:40 am

2 stops28h 50m

Cebu City Mactan Intl

Fri 6/6

11:40 am-11:44 pm

2 stops27h 04m

$948

PortlandBangkok

PDX - BKK

PDXBKK

Portland

Sun 5/4

10:00 pm-12:00 pm

2 stops24h 00m

Bangkok Suvarnabhumi

Sun 5/11

5:50 pm-10:23 pm

2 stops42h 33m

$954

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Wed 4/9

7:00 am-5:00 am

2 stops31h 00m

Singapore Changi

Sun 4/27

1:10 am-2:30 pm

2 stops28h 20m

$957

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 60 results
1
2
3
...
6

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.

Travel insights for flights from Portland to Southeast Asia

Get recent, data-driven insights about flights from Portland to Southeast Asia including ideal travel times, pricing trends, and more.

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

Currently, February is the cheapest month in which you can book a flight from Portland to Southeast Asia (average of $976). Flying from Portland to Southeast Asia in June is currently the most expensive (average of $1,580). 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 February 20, 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 February 20, 2025.
Get a feel of what it's like to fly with STARLUX Airlines, Korean Air and ANA 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.

Entertainment

9.1

Overall

9.1

Food

9.0

Crew

9.3

Boarding

9.1

Comfort

9.0

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.

Entertainment

9.1

Overall

9.1

Food

9.0

Crew

9.3

Boarding

9.1

Comfort

9.0

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.

Entertainment

9.1

Overall

9.1

Food

9.0

Crew

9.3

Boarding

9.1

Comfort

9.0

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.

8.4
Very good

Entertainment

9.1

Overall

9.1

Food

9.0

Crew

9.3

Boarding

9.1

Comfort

9.0

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.

Entertainment

9.1

Overall

9.1

Food

9.0

Crew

9.3

Boarding

9.1

Comfort

9.0

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.

Entertainment

9.1

Overall

9.1

Food

9.0

Crew

9.3

Boarding

9.1

Comfort

9.0

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

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 United Airlines ($399), Qatar Airways ($426), and STARLUX Airlines ($509).

  • 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?

    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, February is the cheapest month in which you can book a flight from Portland to Southeast Asia (average of $976). Flying from Portland to Southeast Asia in June is currently the most expensive (average of $1,580). 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

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

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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$479Average$1,183FlexibilityNo cancel feeOn-time81%
Air CanadaCheapest$727Average$1,143FlexibilityNo cancel feeOn-time67%
China EasternCheapest$750Average$870FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$845Average$1,156FlexibilityNo cancel feeOn-time69%
Qatar AirwaysCheapest$866Average$1,607FlexibilityNo cancel feeOn-time68%
Japan AirlinesCheapest$892Average$1,000FlexibilityNo cancel feeOn-time79%
ANACheapest$899Average$1,093FlexibilityNo cancel feeOn-time80%
STARLUX AirlinesCheapest$905Average$969FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$911Average$984FlexibilityNo cancel feeOn-time71%
DeltaCheapest$915Average$1,228FlexibilityNo cancel feeOn-timeN/A
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.