Question 1

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

Accepted Answer

Vancouver (YVR) – chosen by Cheapflights users on 59% of one-stop itineraries from Singapore to Portland on Cheapflights. Find deals

Question 2

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

Accepted Answer

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

Question 3

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

Accepted Answer

Vancouver (YVR) is the most affordable one-stop option, with an average return flight price of S$ 1,656. Find deals

Question 4

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

Accepted Answer

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

Question 5

How long is the flight from Singapore to Portland?

Accepted Answer

A quick flight from Singapore to Portland can take about 21h 55m. Air Canada provides one of the quickest options available for as low as S$ 1,114. The distance from Singapore to Portland is about 13073 km.

Question 6

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

Accepted Answer

According to our current data, Air Canada (S$ 1,204), and Singapore Airlines (S$ 1,253) 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.

Question 7

What is the cheapest day to fly from Singapore to Portland?

Accepted Answer

Travellers seeking maximum savings on their Singapore to Portland flight should consider departing on Monday evenings when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Question 8

E

Accepted Answer

In terms of precipitation, rainfall in Portland ranges from 18.0 - 142.0 inches per month. November is typically the wettest month, when rainfall can reach 142.0 mm. July is typically the driest time to visit Portland when rainfall is around 18.0 mm.

Question 9

E

Accepted Answer

If weather is an important factor for your trip to Portland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

Question 10

What is the cheapest day to fly return from Singapore to Portland?

Accepted Answer

Sunday is generally a great day to depart. Flying on this day could help you save up to 76%.

Question 11

What is the cheapest month to fly from Singapore to Portland?

Accepted Answer

The best pricing can be found in the month of September. Prices to Portland from Singapore average S$ 1,592. You can even find prices in September for less than S$ 1,592, as users have found deals to Portland from as low as S$ 1,262. The month of April appears to be one of the more expensive times to travel to Portland from Singapore. Flying in the targeted month can save you up to 25%.

Question 12

What is the cheapest time of day to fly from SIN to PDX?

Accepted Answer

Unlike in the morning, when flights are generally more expensive, you can save up to 26% on flights from Singapore to Portland by exploring options for tickets at midday.

Question 13

Can I find deals for flights from Singapore to Portland that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Singapore to Portland flights, Cheapflights offers holiday packages that include both flights and hotel.

Question 14

How can I find direct flights from Singapore to Portland?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Singapore to Portland.

Question 15

Can I find deals for business class flights from Singapore to Portland?

Accepted Answer

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.

Question 16

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

Accepted Answer

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.

Question 17

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

Accepted Answer

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.

Question 18

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

Accepted Answer

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.

Question 19

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

Accepted Answer

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.

Round-trip from	S$ 1,113
One-way from	S$ 646
Popular in	April
Cheapest in	September
Average price	S$ 1,319

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	CheapestS$ 1,204	AverageS$ 1,396	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Singapore Airlines	CheapestS$ 1,253	AverageS$ 1,849	FlexibilityNo cancel fee	On-time81%	Search Singapore Airlines flights

Cheap flights from Singapore to Portland from S$ 646

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 8-11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Singapore to Portland

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Find flight deals from Singapore to Portland

Cheapest flights from Singapore to PortlandExplore 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 21 August 2025.

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 21 August 2025.

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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.

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?

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

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

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

Reviews of airlines servicing Portland

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.

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?

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

Can I find deals for flights from Singapore to Portland that include hotel bookings?

How can I find direct flights from Singapore to Portland?

Can I find deals for business class flights from Singapore to Portland?

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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 21 August 2025.

Top 2 airlines flying from Singapore to Portland

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

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

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

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

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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 21 August 2025.