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Cheap flights from Singapore to Portland from S$ 599

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 9-10. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — PDX
2 Nov — 9 Nov1
1 adult
1 adult, Economy

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 3 October 2025.

Round-trip from

S$ 1,006

One-way from

S$ 599

Popular in

April

Cheapest in

August

Average price

S$ 1,854
30-10-9-11
  • 30-10-9-11
  • 4 total stops
  • 67h 04m total
  • Singapore to Portland
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Air Canada
  • Air Canada
  • 9-10
  • 1 total stop
  • 24h 36m total
  • Singapore to Portland
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (S$ 334 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (S$ 49 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 3 October 2025.

Wed 29-1023:10SIN - PDX
2 stops29h 40mMultiple Airlines
Sat 8-1121:30PDX - SIN
2 stops32h 25mMultiple Airlines
Deal found 1-10S$ 1,040
Tue 28-1008:50SIN - PDX
1 stop24h 40mAir Canada
Fri 7-1115:15PDX - SIN
1 stop23h 45mAir Canada
Deal found 30-9S$ 1,185
Tue 28-1023:10SIN - PDX
2 stops29h 40mMultiple Airlines
Fri 7-1121:30PDX - SIN
2 stops32h 25mMultiple Airlines
Deal found 30-9S$ 1,219
Wed 26-1115:45SIN - PDX
2 stops33h 50mMultiple Airlines
Fri 5-1217:50PDX - SIN
2 stops26h 15mMultiple Airlines
Deal found 1-10S$ 1,247
Fri 14-1114:45SIN - PDX
2 stops21h 52mSTARLUX Airlines
Tue 18-1115:30PDX - SIN
2 stops29h 55mSTARLUX Airlines
Deal found 30-9S$ 1,301
Fri 17-1014:00SIN - PDX
2 stops25h 18mSTARLUX Airlines
Mon 20-1022:00PDX - SIN
2 stops23h 40mSTARLUX Airlines
Deal found 2-10S$ 1,528

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 3 October 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

Wed 29-10

23:10-13:50

2 stops29h 40m

Portland

Sat 8-11

21:30-21:55

2 stops32h 25m

S$ 1,040

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Tue 28-10

08:50-18:30

1 stop24h 40m

Portland

Fri 7-11

15:15-07:00

1 stop23h 45m

S$ 1,185

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Tue 28-10

23:10-13:50

2 stops29h 40m

Portland

Fri 7-11

21:30-21:55

2 stops32h 25m

S$ 1,219

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Wed 26-11

15:45-09:35

2 stops33h 50m

Portland

Fri 5-12

17:50-12:05

2 stops26h 15m

S$ 1,247

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Fri 14-11

14:45-20:37

2 stops21h 52m

Portland

Tue 18-11

15:30-13:25

2 stops29h 55m

S$ 1,301

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Fri 17-10

14:00-00:18

2 stops25h 18m

Portland

Mon 20-10

22:00-12:40

2 stops23h 40m

S$ 1,528

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 9-10

09:10-18:46

1 stop24h 36m

S$ 599

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Tue 18-11

08:50-18:30

1 stop25h 40m

S$ 618

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Sun 16-11

21:00-09:15

2 stops28h 15m

S$ 620

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Mon 3-11

21:00-09:15

2 stops28h 15m

S$ 621

Flights are sorted by cheapest return flights first.

Deals found on 2-10

Showing 1-10 of 16 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’s the top stopover airport for flights from Singapore to Portland?

Share of one-stop return flights from Singapore to Portland chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Vancouver (YVR) – chosen by Cheapflights users on 61% of one-stop itineraries from Singapore to Portland on Cheapflights.

What’s the fastest stopover option from Singapore to Portland?

Shortest average travel time for one-stop one-way flights from Singapore to Portland, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Seattle (SEA) have the shortest average one-way travel time for one-stop routes: 18h 29m.

What’s the fastest stopover option from Singapore to Portland?

Shortest average travel time for one-stop one-way flights from Singapore to Portland, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Seattle (SEA) have the shortest average one-way travel time for one-stop routes: 18h 29m.

Which airport typically offers the quickest stopover for flights from Singapore to Portland?

Average stopover duration for one-stop one-way flights from Singapore to Portland, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Seattle (SEA) offer the fastest connection on this route, with an average stopover time of 3h 06m.

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 3 October 2025.
See what other customers who have flown with Singapore Airlines and Air Canada from Singapore to Portland have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very Good
1,373 reviews
Check prices

Crew

8.6

Boarding

8.2

Food

7.7

Entertainment

8.0

Overall

8.1

Comfort

8.0

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
1,373 reviews
Singapore Airlines
8.1
Very Good
1,373 reviews
Check prices

Crew

8.6

Boarding

8.2

Food

7.7

Entertainment

8.0

Overall

8.1

Comfort

8.0

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
10,224 reviews
Singapore Airlines
8.1
Very Good
1,373 reviews
Check prices

Crew

8.6

Boarding

8.2

Food

7.7

Entertainment

8.0

Overall

8.1

Comfort

8.0

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.

  • How long is the flight from Singapore to Portland?

    A quick flight from Singapore to Portland can take about 24h 40m. Air Canada provides one of the quickest options available for as low as S$ 1,185. The distance from Singapore to Portland is about 13073 km.

  • What are the cheapest airlines flying from Singapore to Portland round-trip?

    According to our current data, Air Canada (S$ 1,207), and Singapore Airlines (S$ 1,256) offers the cheapest pricing from Singapore to Portland. Air Canada is 24% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Fly from Singapore to Portland on these airlines

Choose from the following airlines for your flight from Singapore to Portland. Flights are based on user searches made on Cheapflights and were last updated on 3 October 2025.
Singapore Airlines flights from Singapore Changi to Portland

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 3 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestS$ 1,207AverageS$ 1,400FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Singapore AirlinesCheapestS$ 1,256AverageS$ 1,854FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights helps you search for flights from Singapore to Portland via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Portland from Singapore.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Singapore to Portland, users can toggle the no change fees filter when performing a flight search.

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

Yes! Start tracking prices for Singapore to Portland flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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