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$ 387 for a one-way ticket and S$ 718 for a return. <a href='/flight-routes/Portland-PDX/Singapore-Changi-SIN'>Visit our flight page for the latest deals!>/a>

Question 2

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

Accepted Answer

If you are looking for a flight deal from Portland to Singapore, look for departures on Tuesdays and avoid leaving on a Sunday, as it's usually the priciest day. When flying back from Singapore, Monday is the cheapest day to fly and Friday is the most expensive. Visit our flight page for the latest deals!>/a>

Question 3

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

Accepted Answer

If you are looking for a flight deal from Portland to Singapore, look for departures on Tuesdays and avoid leaving on a Sunday, as it's usually the priciest day. When flying back from Singapore, Monday is the cheapest day to fly and Friday is the most expensive. Visit our flight page for the latest deals!>/a>

Question 4

Which aircraft models fly most regularly from Portland to Singapore?

Accepted Answer

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

Question 5

Which airline alliances offer flights from Portland to Singapore?

Accepted Answer

Star Alliance, oneworld, and SkyTeam are the airline alliances operating flights between Portland and Singapore, with SkyTeam being the most commonly used for this route.

Question 6

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$ 968 (return) on average. On the other hand, the most expensive months are December and June, where the average cost of round-trip tickets is S$ 2,195 and S$ 1,402 respectively.

Question 7

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$ 968 (return) on average. On the other hand, the most expensive months are December and June, where the average cost of round-trip tickets is S$ 2,195 and S$ 1,402 respectively.

Question 8

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 9

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 10

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 11

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 12

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$ 923) and Delta (S$ 1,081).

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 Air Canada (S$ 923) and Delta (S$ 1,081).

Question 14

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 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 16 weeks before departure.

Low season	May
High season	September
Cheapest flight	S$ 497

PDX - SIN

S$ 497 Find Cheap Flights from Portland to Singapore

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Cheap Flights from Portland to Singapore (PDX-SIN)

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

If you are looking for a flight deal from Portland to Singapore, look for departures on Tuesdays and avoid leaving on a Sunday, as it's usually the priciest day. When flying back from Singapore, Monday is the cheapest day to fly and Friday is the most expensive.

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$ 968 (return) on average. On the other hand, the most expensive months are December and June, where the average cost of round-trip tickets is S$ 2,195 and S$ 1,402 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 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$ 923) and Delta (S$ 1,081).

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$ 387 for a one-way ticket and S$ 718 for a return.

Which aircraft models fly most regularly from Portland to Singapore?

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

Which airline alliances offer flights from Portland to Singapore?

Star Alliance, oneworld, and SkyTeam are the airline alliances operating flights between Portland and Singapore, with SkyTeam being the most commonly used for this 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