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Cheap flights from Singapore to Portland from S$ 650

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 1-12. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — PDX
28 nov — 5 dic1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Singapore to Portland

Keep the following information in mind while searching for Singapore to Portland flight deals. Data was last updated 29 ottobre 2025.

Round-trip from

S$ 1,038

One-way from

S$ 650

Popular in

April

Cheapest in

February

Average price

S$ 1,863
Air Canada
  • Air Canada
  • 25-11-4-12
  • 2 total stops
  • 41h 50m total
  • Singapore to Portland
Search Deals
1-12
  • 1-12
  • 3 total stops
  • 41h 35m total
  • Singapore to Portland
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (S$ 364 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (S$ 52 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
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Find flight deals from Singapore to Portland

Enter your travel dates to find the best prices.

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 29 ottobre 2025.

ven 14-1114:45SIN - PDX
2 stops21h 52mSTARLUX Airlines
mar 18-1117:30PDX - SIN
2 stops27h 55mSTARLUX Airlines
Deal found 26-10S$ 1,358
lun 10-1114:45SIN - PDX
2 stops20h 04mSTARLUX Airlines
gio 13-1117:30PDX - SIN
2 stops27h 55mSTARLUX Airlines
Deal found 26-10S$ 1,364
gio 13-1101:25SIN - PDX
2 stops35h 25mCathay Pacific
mar 18-1114:50PDX - SIN
2 stops29h 05mCathay Pacific
Deal found 26-10S$ 1,553
lun 10-1122:20SIN - PDX
1 stop38h 18mUnited Airlines
gio 13-1107:30PDX - SIN
1 stop20h 45mUnited Airlines
Deal found 26-10S$ 1,660
ven 14-1110:10SIN - PDX
1 stop24h 26mUnited Airlines
mar 18-1112:55PDX - SIN
2 stops27h 05mUnited Airlines
Deal found 26-10S$ 1,709
ven 12-1213:15SIN - PDX
2 stops23h 35mMultiple Airlines
ven 19-1216:26PDX - SIN
2 stops27h 39mMultiple Airlines
Deal found 28-10S$ 2,300

Cheapflights Fare Finder

 
Customise 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 200,618 searches. Data last updated 29 ottobre 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

sab 8-11

14:45-20:37

2 stops21h 52m

Portland

mer 10-12

17:49-13:25

2 stops27h 36m

S$ 1,344

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

dom 9-11

14:45-20:37

2 stops21h 52m

Portland

lun 8-12

16:38-13:25

2 stops28h 47m

S$ 1,344

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

sab 8-11

14:45-20:37

2 stops21h 52m

Portland

dom 7-12

17:49-13:25

2 stops27h 36m

S$ 1,344

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

sab 17-1

14:45-20:47

2 stops22h 02m

Portland

mer 8-4

17:30-12:40

2 stops28h 10m

S$ 1,344

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

ven 14-11

14:45-20:37

2 stops21h 52m

Portland

mar 18-11

17:30-13:25

2 stops27h 55m

S$ 1,358

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

lun 10-11

14:45-18:49

2 stops20h 04m

Portland

gio 13-11

17:30-13:25

2 stops27h 55m

S$ 1,364

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

sab 8-11

14:45-20:37

2 stops21h 52m

Portland

gio 11-12

17:49-13:25

2 stops27h 36m

S$ 1,368

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

lun 24-11

01:35-13:18

2 stops27h 43m

Portland

gio 4-12

07:04-05:00

2 stops29h 56m

S$ 1,371

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

ven 7-11

14:45-20:37

2 stops21h 52m

Portland

dom 7-12

16:38-13:25

2 stops28h 47m

S$ 1,376

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

mer 12-11

14:45-20:37

2 stops21h 52m

Portland

dom 7-12

16:38-13:25

2 stops28h 47m

S$ 1,440

Flights are sorted by cheapest return flights first.

Deals found on 28-10

Showing 1-10 of 15 results
1
2

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 return 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, December is the cheapest month in which you can book a flight from Singapore to Portland (average of S$ 845). Flying from Singapore to Portland in October is currently the most expensive (average of S$ 1,691). 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.

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 29 ottobre 2025.
Read through reviews of airlines operating flights from Singapore to Portland, such as Singapore Airlines and Air Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very Good
1,388 reviews
Check prices

Crew

8.6

Boarding

8.3

Food

7.7

Comfort

8.0

Entertainment

8.0

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Singapore Airlines
8.1
Very Good
1,388 reviews
Singapore Airlines
8.1
Very Good
1,388 reviews
Check prices

Crew

8.6

Boarding

8.3

Food

7.7

Comfort

8.0

Entertainment

8.0

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Air Canada
7.1
Good
10,371 reviews
Singapore Airlines
8.1
Very Good
1,388 reviews
Check prices

Crew

8.6

Boarding

8.3

Food

7.7

Comfort

8.0

Entertainment

8.0

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.

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 airport do you fly into for flights to Portland from Singapore?

    If you book a flight to Portland from Singapore, you will be flying to Portland, which is the city’s only airport. Portland (PDX) is located 9.7 km from the centre of Portland.

  • How long is the flight from Singapore to Portland?

    A quick flight from Singapore to Portland can take about 21h 52m. STARLUX Airlines provides one of the quickest options available for as low as S$ 1,344. The distance from Singapore to Portland is about 13073 km.

  • 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 holiday 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, December is the cheapest month in which you can book a flight from Singapore to Portland (average of S$ 845). Flying from Singapore to Portland in October is currently the most expensive (average of S$ 1,691). 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 Singapore to Portland

See prices for flight routes from nearby airports that may be better suited for you.
Singapore to Boise flights
Singapore to Portland 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 200,618 searches. Data last updated 29 ottobre 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestS$ 1,213AverageS$ 1,407FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Singapore AirlinesCheapestS$ 1,262AverageS$ 1,863FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Singapore to Portland?

When you search for this flight from Singapore to Portland, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Singapore to Portland?

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Can Cheapflights find flights from Singapore to Portland with no change fees?

Need flexible booking options for your flight to Portland from Singapore? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Singapore to Portland become cheaper?

Of course! You can now track prices for flights from Singapore to Portland and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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