Question 1

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-SG0'>Visit our flight page for the latest deals!>/a>

Question 2

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 from Portland to Singapore is likely to change within 7 days, so travellers know whether to wait or book now. <a href='/flight-routes/Portland-PDX/Singapore-SG0'>Visit our flight page for the latest deals!>/a>

Question 3

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 from Portland to Singapore with an airline and back with another airline. <a href='/flight-routes/Portland-PDX/Singapore-SG0'>Visit our flight page for the latest deals!>/a>

Question 4

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 from Portland to Singapore 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-SG0'>Visit our flight page for the latest deals!>/a>

Question 5

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 Air Canada (S$ 1,069) and Singapore Airlines (S$ 1,315).

Question 6

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 Air Canada (S$ 1,069) and Singapore Airlines (S$ 1,315).

Question 7

What’s the cheapest day of the week to fly from Portland to Singapore?

Accepted Answer

For Portland to Singapore, Tuesday is the cheapest day to fly on average and Sunday is the most expensive. Flying from Singapore back to Portland, the best deals are generally found on Monday, with Friday being the most expensive.

Question 8

What’s the cheapest day of the week to fly from Portland to Singapore?

Accepted Answer

For Portland to Singapore, Tuesday is the cheapest day to fly on average and Sunday is the most expensive. Flying from Singapore back to Portland, the best deals are generally found on Monday, with Friday being the most expensive.

Question 9

What is the cheapest time of day to fly to Singapore?

Accepted Answer

The cheapest time of day to fly to Singapore is generally at night, when retur flights cost S$ 1,157 on average. The most expensive time of day to fly to Singapore is generally in the morning, which is peak travel time and where the average cost of a ticket is S$ 2,117.

Question 10

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

Accepted Answer

The cheapest month for flights from Portland to Singapore is September, when tickets cost S$ 978 (return) on average. On the other hand, the most expensive months are December and June, when the average cost of return tickets is S$ 2,191 and S$ 1,423 respectively.

Question 11

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

Accepted Answer

The cheapest month for flights from Portland to Singapore is September, when tickets cost S$ 978 (return) on average. On the other hand, the most expensive months are December and June, when the average cost of return tickets is S$ 2,191 and S$ 1,423 respectively.

Question 12

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 16 weeks before departure.

Question 13

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 16 weeks before departure.

Question 14

How long does a flight from Portland to Singapore take?

Accepted Answer

The duration of a flight to Singapore depends on your arrival airport. The shortest route to Singapore from Portland is to Singapore, which takes 20h 45m.

Question 15

How long does a flight from Portland to Singapore take?

Accepted Answer

The duration of a flight to Singapore depends on your arrival airport. The shortest route to Singapore from Portland is to Singapore, which takes 20h 45m.

Low season	May
High season	September
Cheapest flight	S$ 486

S$ 486 Find Cheap Flights from Portland to Singapore

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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, when tickets cost S$ 978 (return) on average. On the other hand, the most expensive months are December and June, when the average cost of return tickets is S$ 2,191 and S$ 1,423 respectively.

What’s the cheapest day of the week to fly from Portland to Singapore?

For Portland to Singapore, Tuesday is the cheapest day to fly on average and Sunday is the most expensive. Flying from Singapore back to Portland, the best deals are generally found on Monday, with Friday being the most expensive.

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 16 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 Air Canada (S$ 1,069) and Singapore Airlines (S$ 1,315).

How long does a flight from Portland to Singapore take?

The duration of a flight to Singapore depends on your arrival airport. The shortest route to Singapore from Portland is to Singapore, which takes 20h 45m.

Good to know

FAQs - booking Singapore flights

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 from Portland to Singapore is likely to change within 7 days, so travellers 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 from Portland to Singapore with an airline and back 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 from Portland to Singapore up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

What is the cheapest time of day to fly to Singapore?

The cheapest time of day to fly to Singapore is generally at night, when retur flights cost S$ 1,157 on average. The most expensive time of day to fly to Singapore is generally in the morning, which is peak travel time and where the average cost of a ticket is S$ 2,117.

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 to Singapore

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

Flights to other popular destinations

Flights from other airports in Portland to Singapore

Flights from Portland to popular cities in Singapore

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