Question 1

What is the cheapest flight from Portland to Singapore?

Accepted Answer

In the last 3 days, the lowest price for a flight from Portland to Singapore was S$ 417 for a one-way ticket and S$ 1,012 for a return. <a href='/flight-routes/Portland-PDX/Singapore-Changi-SIN'>Visit our flight page for the latest deals!>/a>

Question 2

Which aircraft models fly most regularly from Portland to Singapore?

Accepted Answer

We unfortunately don’t have that data for this specific route.

Question 3

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

Accepted Answer

The cheapest month for flights from Portland to Singapore is September, where tickets cost S$ 953 (return) on average. On the other hand, the most expensive months are December and July, where the average cost of round-trip tickets is S$ 2,123 and S$ 1,350 respectively.

Question 4

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

Accepted Answer

The cheapest month for flights from Portland to Singapore is September, where tickets cost S$ 953 (return) on average. On the other hand, the most expensive months are December and July, where the average cost of round-trip tickets is S$ 2,123 and S$ 1,350 respectively.

Question 5

How does KAYAK find such low prices on flights from Portland to Singapore?

Accepted Answer

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Portland to Singapore. <a href='/flight-routes/Portland-PDX/Singapore-Changi-SIN'>Visit our flight page for the latest deals!>/a>

Question 6

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Portland to Singapore?

Accepted Answer

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Singapore from Portland is likely to change within 7 days, so travelers know whether to wait or book now. <a href='/flight-routes/Portland-PDX/Singapore-Changi-SIN'>Visit our flight page for the latest deals!>/a>

Question 7

What is the Hacker Fare option on flights from Portland to Singapore?

Accepted Answer

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Singapore with an airline and back to Portland with another airline. <a href='/flight-routes/Portland-PDX/Singapore-Changi-SIN'>Visit our flight page for the latest deals!>/a>

Question 8

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Portland to Singapore?

Accepted Answer

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Singapore from Portland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. <a href='/flight-routes/Portland-PDX/Singapore-Changi-SIN'>Visit our flight page for the latest deals!>/a>

Question 9

What is the cheapest stopover airport when flying from Portland to Singapore?

Accepted Answer

Flights via Vancouver (YVR) offer the most affordable fares, with an average price of S$ 2,240 for a return.

Question 10

What is the most popular stopover airport when flying from Portland to Singapore?

Accepted Answer

Vancouver (YVR) is the top choice – 88% of KAYAK users who clicked on one-stop flights from Portland to Singapore picked an itinerary connecting there.

Question 11

Which stopover airport has the quickest connection when flying from Portland to Singapore?

Accepted Answer

If you prefer a quick connection, San Francisco (SFO) often has the shortest stopovers from Portland to Singapore, with an average time of 1h 24m.

Question 12

Which stopover airport offers the shortest total travel time from Portland to Singapore?

Accepted Answer

Consider flying via Vancouver (YVR) for the shortest journey. The average one-way travel time for flights connecting there is 20h 25m.

Question 13

Which airlines provide the cheapest flights from Portland to Singapore?

Accepted Answer

In the past 3 days, the cheapest return tickets from Portland to Singapore were found on Singapore Airlines (S$ 1,012) and Cathay Pacific (S$ 1,059).

Question 14

Which airlines provide the cheapest flights from Portland to Singapore?

Accepted Answer

In the past 3 days, the cheapest return tickets from Portland to Singapore were found on Singapore Airlines (S$ 1,012) and Cathay Pacific (S$ 1,059).

Question 15

How far in advance should I book a flight from Portland to Singapore?

Accepted Answer

To get a below average price on the flight from Portland to Singapore, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 19 weeks before departure.

Question 16

How far in advance should I book a flight from Portland to Singapore?

Accepted Answer

To get a below average price on the flight from Portland to Singapore, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 19 weeks before departure.

Low season	May
High season	September
Cheapest flight	S$ 417

PDX - SIN

S$ 417 Find Cheap Flights from Portland to Singapore

KAYAK searches hundreds of travel sites at once for deals on flights to Singapore

Everything you should know

Cheap Flights from Portland to Singapore (PDX-SIN)

Recent return flight deals from Portland to Singapore

Recent one-way flight deals from Portland to Singapore

Recent last minute flight deals from Portland to Singapore

KAYAK's insights & trends for Portland to Singapore flights

Get data-powered insights and trends into flights from Portland to Singapore to help you find the cheapest flights, the best time to fly and much more.

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

The cheapest month for flights from Portland to Singapore is September, where tickets cost S$ 953 (return) on average. On the other hand, the most expensive months are December and July, where the average cost of round-trip tickets is S$ 2,123 and S$ 1,350 respectively.

How far in advance should I book a flight from Portland to Singapore?

To get a below average price on the flight from Portland to Singapore, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 19 weeks before departure.

Which airlines provide the cheapest flights from Portland to Singapore?

In the past 3 days, the cheapest return tickets from Portland to Singapore were found on Singapore Airlines (S$ 1,012) and Cathay Pacific (S$ 1,059).

What is the most popular stopover airport when flying from Portland to Singapore?

Vancouver (YVR) is the top choice – 88% of KAYAK users who clicked on one-stop flights from Portland to Singapore picked an itinerary connecting there.

What is the cheapest stopover airport when flying from Portland to Singapore?

Flights via Vancouver (YVR) offer the most affordable fares, with an average price of S$ 2,240 for a return.

Which stopover airport offers the shortest total travel time from Portland to Singapore?

Consider flying via Vancouver (YVR) for the shortest journey. The average one-way travel time for flights connecting there is 20h 25m.

Which stopover airport has the quickest connection when flying from Portland to Singapore?

If you prefer a quick connection, San Francisco (SFO) often has the shortest stopovers from Portland to Singapore, with an average time of 1h 24m.

Good to know

When to book flights from Portland to Singapore

FAQs for booking flights from Portland to Singapore

What is the cheapest flight from Portland to Singapore?

In the last 3 days, the lowest price for a flight from Portland to Singapore was S$ 417 for a one-way ticket and S$ 1,012 for a return.

Which aircraft models fly most regularly from Portland to Singapore?

We unfortunately don’t have that data for this specific route.

How does KAYAK find such low prices on flights from Portland to Singapore?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Portland to Singapore.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Portland to Singapore?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Singapore from Portland is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Portland to Singapore?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Singapore with an airline and back to Portland with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Portland to Singapore?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Singapore from Portland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Portland to Singapore

Information on your arrival and departure airports

Cabin class types available on flights from Portland to Singapore

Complete your trip to Singapore with a hotel stay or car hire

Flights to other popular destinations

Flights from domestic origins to Singapore

Choose which airport to fly into in Singapore

Find deals for your return flight