Find flights
When to book
Airlines
FAQs

Cheap flights from Singapore to Portland from S$ 1,103

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 9-1. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — PDX
11 Jan — 18 Jan1
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 12 December 2025.

Wed 24-1223:10SIN - PDX
2 stops31h 30mMultiple Airlines
Sat 27-1219:00PDX - SIN
2 stops58h 55mMultiple Airlines
Deal found 10-12S$ 1,964
Wed 24-1210:10SIN - PDX
1 stop28h 36mUnited Airlines
Sat 27-1219:45PDX - SIN
1 stop20h 15mUnited Airlines
Deal found 10-12S$ 2,370

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 12 December 2025.

Round-trip from

S$ 1,149

One-way from

S$ 1,103

Popular in

April

Cheapest in

December

Average price

S$ 229
Air Canada
  • Air Canada
  • 22-1-29-1
  • 4 total stops
  • 51h 00m total
  • Singapore to Portland
Search Deals
9-1
  • 9-1
  • 3 total stops
  • 48h 59m total
  • Singapore to Portland
Search Deals
Highest demand for flights based on searches. 25% potential increase in price (S$ 674 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (S$ 113 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
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 12 December 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 11-2

01:35-12:42

2 stops27h 07m

Portland

Mon 16-2

07:10-00:10

2 stops25h 00m

S$ 1,231

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Sun 25-1

13:15-09:29

2 stops36h 14m

Portland

Sun 1-2

17:51-12:05

2 stops26h 14m

S$ 1,242

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Sat 24-1

15:45-22:46

2 stops23h 01m

Portland

Sat 31-1

19:38-12:05

2 stops24h 27m

S$ 1,242

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 12-2

08:50-18:30

1 stop25h 40m

Portland

Mon 16-2

09:50-00:55

2 stops23h 05m

S$ 1,342

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Sun 25-1

08:50-18:30

1 stop25h 40m

Portland

Sun 1-2

19:00-07:00

1 stop20h 00m

S$ 1,494

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Fri 9-1

02:40-11:39

3 stops48h 59m

S$ 1,103

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Sat 3-1

06:50-21:00

3 stops30h 10m

S$ 1,214

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Sat 10-1

22:20-14:48

1 stop32h 28m

S$ 1,767

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Fri 2-1

03:15-20:50

2 stops33h 35m

S$ 2,279

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Sat 3-1

08:50-09:15

1 stop16h 25m

S$ 2,561

Flights are sorted by cheapest return flights first.

Deals found on 10-12

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$ 229). Flying from Singapore to Portland in April is currently the most expensive (average of S$ 2,434). 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 12 December 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
1,412 reviews
Check prices

Food

7.8

Boarding

8.3

Comfort

8.0

Overall

8.1

Entertainment

8.0

Crew

8.6

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
1,412 reviews
Singapore Airlines
8.1
Very Good
1,412 reviews
Check prices

Food

7.8

Boarding

8.3

Comfort

8.0

Overall

8.1

Entertainment

8.0

Crew

8.6

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
10,518 reviews
Singapore Airlines
8.1
Very Good
1,412 reviews
Check prices

Food

7.8

Boarding

8.3

Comfort

8.0

Overall

8.1

Entertainment

8.0

Crew

8.6

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 27h 07m. Korean Air provides one of the quickest options available for as low as S$ 1,231. 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$ 1,211), and Singapore Airlines (S$ 1,260) offers the cheapest pricing from Singapore to Portland. Air Canada is 18% 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.

  • 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$ 229). Flying from Singapore to Portland in April is currently the most expensive (average of S$ 2,434). 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

Travelling to a place near Portland?

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

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.

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 12 December 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 12 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestS$ 1,211AverageS$ 1,359FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Singapore AirlinesCheapestS$ 1,260AverageS$ 1,860FlexibilityNo 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.

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.