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Cheap flights from Singapore to Portland from S$ 687

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 1-5. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — PDX
16 Mar — 23 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap 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 14 February 2026.

Sun 16-813:45
SIN
-
PDX
2 stops25h 26m
Multiple Airlines
Mon 31-820:59
PDX
-
SIN
2 stops24h 36m
Multiple Airlines
Deal found 14-2S$ 1,195
Sat 15-813:45
SIN
-
PDX
2 stops34h 39m
Multiple Airlines
Sun 30-820:59
PDX
-
SIN
2 stops24h 36m
Multiple Airlines
Deal found 13-2S$ 1,202
Fri 14-813:45
SIN
-
PDX
2 stops34h 39m
Multiple Airlines
Sat 29-817:40
PDX
-
SIN
2 stops27h 55m
Multiple Airlines
Deal found 12-2S$ 1,219
Thu 13-813:45
SIN
-
PDX
2 stops34h 39m
Multiple Airlines
Fri 28-817:40
PDX
-
SIN
2 stops27h 55m
Multiple Airlines
Deal found 11-2S$ 1,254
Wed 18-202:45
SIN
-
PDX
2 stops35h 55m
Multiple Airlines
Thu 26-215:15
PDX
-
SIN
1 stop23h 45m
Multiple Airlines
Deal found 12-2S$ 1,432
Thu 16-421:50
SIN
-
PDX
2 stops38h 45m
Japan Airlines
Mon 20-406:00
PDX
-
SIN
2 stops33h 10m
Japan Airlines
Deal found 12-2S$ 1,437
Thu 19-208:50
SIN
-
PDX
1 stop16h 25m
Air Canada
Thu 26-219:05
PDX
-
SIN
1 stop19h 55m
Air Canada
Deal found 12-2S$ 1,441
Thu 13-807:00
SIN
-
PDX
1 stop27h 06m
Air Canada
Fri 28-810:10
PDX
-
SIN
1 stop28h 05m
Air Canada
Deal found 11-2S$ 1,485
Sat 15-807:00
SIN
-
PDX
1 stop27h 06m
Air Canada
Sun 30-815:25
PDX
-
SIN
1 stop22h 50m
Air Canada
Deal found 13-2S$ 1,510

Find 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 14 February 2026.

Round-trip from

S$ 1,254

One-way from

S$ 687

Popular in

April

Cheapest in

December
13-8-28-8
  • 13-8-28-8
  • 4 total stops
  • 62h 34m total
  • Singapore to Portland
Search Deals
1-5
  • 1-5
  • 2 total stops
  • 34h 53m total
  • Singapore to Portland
Search Deals
Highest demand for flights based on searches. 28% potential increase in price (S$ 715 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (S$ 136 potential savings vs. average return price).
Search Deals

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 14 February 2026.
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

Thu 13-8

13:45-09:24

2 stops34h 39m

Portland

Fri 28-8

17:40-12:35

2 stops27h 55m

S$ 1,254

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 16-4

21:50-21:35

2 stops38h 45m

Portland

Mon 20-4

06:00-06:10

2 stops33h 10m

S$ 1,435

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 16-4

09:00-17:45

2 stops23h 45m

Portland

Mon 20-4

17:35-06:45

1 stop22h 10m

S$ 1,660

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Fri 1-5

13:45-09:38

2 stops34h 53m

S$ 687

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 19-3

01:10-11:52

2 stops49h 42m

S$ 693

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Wed 4-3

14:25-09:42

2 stops35h 17m

S$ 697

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 9-7

13:10-00:11

2 stops26h 01m

S$ 798

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Fri 20-2

13:05-21:10

3 stops48h 05m

S$ 813

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 9-7

07:00-09:31

1 stop17h 31m

S$ 960

Flights are sorted by cheapest return flights first.

Deals found on 11-2

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 65% of one-stop itineraries from Singapore to Portland on Cheapflights.

What’s the cheapest stopover airport for flights from Singapore to Portland?

Average return fare for one-stop flights from Singapore to Portland, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Vancouver (YVR) is the most affordable one-stop option, with an average return flight price of S$ 1,354.

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 San Francisco (SFO) have the shortest average one-way travel time for one-stop routes: 20h 06m.

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 San Francisco (SFO) offer the fastest connection on this route, with an average stopover time of 2h 13m.

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 14 February 2026.
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
8.2
Very Good
1,452 reviews
Check prices

Crew

8.6

Entertainment

8.0

Food

7.8

Overall

8.2

Comfort

8.0

Boarding

8.3

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
8.2
Very Good
1,452 reviews
Singapore Airlines
8.2
Very Good
1,452 reviews
Check prices

Crew

8.6

Entertainment

8.0

Food

7.8

Overall

8.2

Comfort

8.0

Boarding

8.3

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
10,717 reviews
Singapore Airlines
8.2
Very Good
1,452 reviews
Check prices

Crew

8.6

Entertainment

8.0

Food

7.8

Overall

8.2

Comfort

8.0

Boarding

8.3

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 38h 45m. Japan Airlines provides one of the quickest options available for as low as S$ 1,435. 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$ 1,106), and Singapore Airlines (S$ 1,231) offers the cheapest pricing from Singapore to Portland. Air Canada is 22% 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

Travelling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Woodburn

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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 14 February 2026.
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 14 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestS$ 1,106AverageS$ 1,297FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Singapore AirlinesCheapestS$ 1,231AverageS$ 1,780FlexibilityNo 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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