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$478+ Cheap flights from Singapore (SIN) to Portland (PDX)

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 5/26. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — PDX
Apr 13 — Apr 201
Sun 4/13
Sun 4/20
1 adult, Economy
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Cheap flight deals from Singapore to Portland

Discover tips and strategies to find the most affordable flight options for your journey from Singapore (SIN) to Portland (PDX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 8, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,387
(United Airlines)

One-way from

$478
(Kiwi.com)

Popular in

May

Cheapest in

September

Average price

$1,320
Provider with most accurate pricing for Singapore Changi-Portland flight deals.
Search Deals
Provider most trusted by Cheapflights users for Singapore Changi-Portland flights.
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From Singapore Changi to Portland
Search Deals
One-way flight from Singapore Changi to Portland
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($57 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($22 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 Singapore to Portland

Cheapest flights from Singapore to Portland
Explore the most affordable flight options available from Singapore to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 8, 2025.

This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/18:45 amSIN - PDX
1 stop18h 47mUnited Airlines
Tue 7/14:16 pmPDX - SIN
2 stops35h 09mUnited Airlines
Deal found 4/7$1,387
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/18:05 amSIN - PDX
2 stops21h 36mMultiple Airlines
Tue 7/17:40 pmPDX - SIN
2 stops38h 05mMultiple Airlines
Deal found 4/7$1,601
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/19:10 amSIN - PDX
1 stop20h 35mAir Canada
Tue 7/17:40 pmPDX - SIN
1 stop20h 25mAir Canada
Deal found 4/7$1,854

Cheapflights Fare Finder

Customize your flight search to find flights from Singapore to Portland 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 8, 2025.
Use the filters below to find and compare flights from Singapore to Portland that are best for you.

Fly from

Singapore

Fly to

Portland

Route

Depart

Return

Price

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Tue 7/1

8:45 am-12:32 pm

1 stop18h 47m

Portland

Tue 7/1

4:16 pm-6:25 pm

2 stops35h 09m

$1,387

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Tue 7/1

8:05 am-2:41 pm

2 stops21h 36m

Portland

Tue 7/1

7:40 pm-12:45 am

2 stops38h 05m

$1,601

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Tue 7/1

9:10 am-2:45 pm

1 stop20h 35m

Portland

Tue 7/1

7:40 pm-7:05 am

1 stop20h 25m

$1,854

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Mon 5/26

3:40 am-12:24 pm

2 stops47h 44m

$478

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Wed 6/11

2:00 pm-7:00 pm

2 stops20h 00m

$641

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Tue 6/10

9:10 am-9:20 am

1 stop39h 10m

$683

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Mon 8/4

6:45 pm-10:14 pm

2 stops42h 29m

$818

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Sun 8/3

12:40 am-11:20 am

1 stop25h 40m

$1,949

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/8

  • Most accurate provider: When it comes to deals on Singapore-Portland flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Singapore-Portland flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Singapore-Portland flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Singapore-Portland flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Singapore-Portland flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Singapore to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Singapore 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 Singapore to Portland

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

Currently, November is the cheapest month in which you can book a flight from Singapore to Portland (average of $277). Flying from Singapore to Portland in March is currently the most expensive (average of $369). 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.

Rainfall in Portland by month

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

In terms of precipitation, rainfall in Portland ranges from 0.7 - 5.6 inches per month. November is typically the wettest month, when rainfall can reach 5.6 in. July is typically the driest time to visit Portland when rainfall is around 0.7 in.

Temperature in Portland by month

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

If weather is an important factor for your trip to Portland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Portland

Get insights into the airlines that provide service to Portland. 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 Portland. Reviews last updated April 8, 2025.
STARLUX Airlines
9.1
Wonderful
149 reviews

Comfort

9.0

Overall

9.1

Entertainment

9.0

Food

8.9

Crew

9.3

Boarding

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.
STARLUX Airlines
9.1
Wonderful
149 reviews
STARLUX Airlines
9.1
Wonderful
149 reviews

Comfort

9.0

Overall

9.1

Entertainment

9.0

Food

8.9

Crew

9.3

Boarding

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.
KLM
7.8
Good
1,322 reviews
STARLUX Airlines
9.1
Wonderful
149 reviews

Comfort

9.0

Overall

9.1

Entertainment

9.0

Food

8.9

Crew

9.3

Boarding

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.
Qatar Airways
7.4
Good
3,544 reviews
STARLUX Airlines
9.1
Wonderful
149 reviews

Comfort

9.0

Overall

9.1

Entertainment

9.0

Food

8.9

Crew

9.3

Boarding

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.
United Airlines
7.4
Good
8,629 reviews
STARLUX Airlines
9.1
Wonderful
149 reviews

Comfort

9.0

Overall

9.1

Entertainment

9.0

Food

8.9

Crew

9.3

Boarding

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.
Air Canada
7.0
Good
9,068 reviews
STARLUX Airlines
9.1
Wonderful
149 reviews

Comfort

9.0

Overall

9.1

Entertainment

9.0

Food

8.9

Crew

9.3

Boarding

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 Singapore to Portland. 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 flying from Singapore to Portland round-trip?

    Flying on United Airlines is currently your cheapest option to Portland, with prices starting at $1,387. Another option worth looking into is Air Canada, starting at $1,854 round trip.

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

    For one-way options, check prices for STARLUX Airlines. According to our data, you can fly for as low as $641. Users have also found prices from $683 and $818 on Air Canada and Qatar Airways, respectively.

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

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

  • How can I find direct flights from Singapore to Portland?

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

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

    Yes. Cheapflights offers flight deals from Singapore to Portland 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 Singapore to Portland?

    Currently, November is the cheapest month in which you can book a flight from Singapore to Portland (average of $277). Flying from Singapore to Portland in March is currently the most expensive (average of $369). 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

Traveling to a place near Singapore?

Book flights to Singapore if you plan to visit one of these locations
Lincoln City
Beaverton
Seaside
Clackamas
Vancouver
McMinnville
Lake Oswego
Hillsboro
Gresham
Long Beach
Cannon Beach
Tigard
Astoria
Hood River
Woodburn
Depoe Bay
Pacific City
Stevenson
Troutdale
Longview

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Singapore to Portland

See prices for flight routes from nearby airports that may be better suited for you.
Singapore to Boise flights

Top 2 airlines flying from Singapore to Portland

Discover the top 2 airlines that operate flights from Singapore to Portland. 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 8, 2025.
AirlineCheapestAverageFlexibilityOn-time
Japan AirlinesCheapest$1,005Average$1,074FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$1,248Average$1,416FlexibilityNo cancel feeOn-time69%

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