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Cheap flights from Singapore to Portland from S$ 698

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 17-1. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — PDX
20 Dec — 27 Dec1
1 adult
1 adult, Economy, 0 bags

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 20 November 2025.

Wed 26-1110:40SIN - PDX
2 stops40h 15mDelta
Wed 3-1207:15PDX - SIN
2 stops29h 45mDelta
Deal found 18-11S$ 1,231
Tue 25-1101:35SIN - PDX
2 stops27h 43mKorean Air
Wed 3-1206:29PDX - SIN
2 stops25h 41mKorean Air
Deal found 19-11S$ 1,238
Wed 26-1109:30SIN - PDX
2 stops45h 10mMultiple Airlines
Wed 3-1215:15PDX - SIN
1 stop23h 45mMultiple Airlines
Deal found 19-11S$ 1,298
Fri 21-1115:45SIN - PDX
2 stops38h 02mEVA Air
Mon 1-1213:24PDX - SIN
2 stops30h 41mEVA Air
Deal found 19-11S$ 1,379
Thu 20-1102:00SIN - PDX
2 stops51h 47mChina Airlines
Mon 1-1213:24PDX - SIN
2 stops31h 41mChina Airlines
Deal found 19-11S$ 1,393
Wed 26-1122:20SIN - PDX
1 stop18h 06mUnited Airlines
Wed 3-1213:00PDX - SIN
1 stop27h 00mUnited Airlines
Deal found 18-11S$ 1,667
Fri 21-1110:10SIN - PDX
2 stops28h 47mUnited Airlines
Mon 1-1206:00PDX - SIN
1 stop22h 15mUnited Airlines
Deal found 19-11S$ 1,716

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 20 November 2025.

Round-trip from

S$ 1,100

One-way from

S$ 698

Popular in

April

Cheapest in

February

Average price

S$ 1,372
Air Canada
  • Air Canada
  • 29-1-11-2
  • 3 total stops
  • 48h 45m total
  • Singapore to Portland
Search Deals
17-1
  • 17-1
  • 3 total stops
  • 53h 02m total
  • Singapore to Portland
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (S$ 350 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (S$ 51 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 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 20 November 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

Thu 29-1

08:50-09:15

1 stop16h 25m

Portland

Wed 11-2

19:00-07:00

1 stop20h 00m

S$ 1,171

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Wed 11-3

01:35-19:11

2 stops32h 36m

Portland

Sun 15-3

07:10-00:10

2 stops26h 00m

S$ 1,231

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Wed 11-3

01:35-13:14

2 stops26h 39m

Portland

Sun 15-3

09:40-05:00

2 stops28h 20m

S$ 1,238

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Fri 20-3

14:25-09:32

2 stops34h 07m

Portland

Tue 31-3

07:30-12:35

2 stops38h 05m

S$ 1,243

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Sun 25-1

01:35-12:44

2 stops27h 09m

Portland

Mon 9-2

07:10-00:10

2 stops25h 00m

S$ 1,250

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Sun 25-1

01:35-16:30

2 stops30h 55m

Portland

Sat 14-2

07:10-00:10

2 stops25h 00m

S$ 1,250

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 29-1

22:30-12:44

2 stops30h 14m

Portland

Tue 10-2

17:25-20:25

2 stops35h 00m

S$ 1,250

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 29-1

22:30-12:44

2 stops30h 14m

Portland

Sat 14-2

17:10-20:25

2 stops35h 15m

S$ 1,250

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Mon 26-1

01:35-12:44

2 stops27h 09m

Portland

Sun 8-2

17:25-00:10

2 stops38h 45m

S$ 1,250

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Sun 25-1

01:35-12:44

2 stops27h 09m

Portland

Tue 10-2

17:25-20:25

2 stops35h 00m

S$ 1,250

Flights are sorted by cheapest return flights first.

Deals found on 18-11

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 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$ 933). Flying from Singapore to Portland in October is currently the most expensive (average of S$ 1,703). 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 20 November 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
1,407 reviews
Check prices

Entertainment

8.0

Food

7.7

Comfort

8.0

Overall

8.1

Boarding

8.3

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
1,407 reviews
Singapore Airlines
8.1
Very Good
1,407 reviews
Check prices

Entertainment

8.0

Food

7.7

Comfort

8.0

Overall

8.1

Boarding

8.3

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
10,462 reviews
Singapore Airlines
8.1
Very Good
1,407 reviews
Check prices

Entertainment

8.0

Food

7.7

Comfort

8.0

Overall

8.1

Boarding

8.3

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 16h 25m. Air Canada provides one of the quickest options available for as low as S$ 1,171. The distance from Singapore to Portland is about 13073 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    According to our current data, Air Canada (S$ 1,222), and Singapore Airlines (S$ 1,271) 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.

  • 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$ 933). Flying from Singapore to Portland in October is currently the most expensive (average of S$ 1,703). 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

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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 20 November 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 20 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestS$ 1,222AverageS$ 1,417FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Singapore AirlinesCheapestS$ 1,271AverageS$ 1,877FlexibilityNo 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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