Cheap Flights from Portland to Singapore

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Flight deals from Portland to Singapore

Looking for a cheap last-minute deal or the best return flight from Portland Airport to Singapore? If you want to travel next month, return fares start from $1,707. Find the lowest prices on one-way and return tickets right here.

Singapore.$1,590 per passenger.Departing Tue, 10 Nov, returning Thu, 19 Nov.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Portland on Tue, 10 Nov, arriving in Singapore Changi.Inbound indirect flight with Air Canada, departs from Singapore Changi on Thu, 19 Nov, arriving in Portland.Price includes taxes and charges.From $1,590, select.

Singapore.$1,590 per passenger.Departing Thu, 27 Aug, returning Thu, 10 Sep.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Portland on Thu, 27 Aug, arriving in Singapore Changi.Inbound indirect flight with Air Canada, departs from Singapore Changi on Thu, 10 Sep, arriving in Portland.Price includes taxes and charges.From $1,590, select.

Singapore.$1,592 per passenger.Departing Wed, 10 Feb, returning Thu, 25 Feb.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Portland on Wed, 10 Feb, arriving in Singapore Changi.Inbound indirect flight with Air Canada, departs from Singapore Changi on Thu, 25 Feb, arriving in Portland.Price includes taxes and charges.From $1,592, select.

Singapore.$1,592 per passenger.Departing Thu, 8 Oct, returning Thu, 15 Oct.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Portland on Thu, 8 Oct, arriving in Singapore Changi.Inbound indirect flight with Air Canada, departs from Singapore Changi on Thu, 15 Oct, arriving in Portland.Price includes taxes and charges.From $1,592, select.

Singapore.$1,594 per passenger.Departing Tue, 19 Jan, returning Tue, 23 Mar.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Portland on Tue, 19 Jan, arriving in Singapore Changi.Inbound indirect flight with Air Canada, departs from Singapore Changi on Tue, 23 Mar, arriving in Portland.Price includes taxes and charges.From $1,594, select.

Singapore.$1,651 per passenger.Departing Tue, 5 Jan, returning Sun, 17 Jan.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Portland on Tue, 5 Jan, arriving in Singapore Changi.Inbound indirect flight with Air Canada, departs from Singapore Changi on Sun, 17 Jan, arriving in Portland.Price includes taxes and charges.From $1,651, select.

Singapore.$1,652 per passenger.Departing Wed, 28 Oct, returning Sat, 5 Dec.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Portland on Wed, 28 Oct, arriving in Singapore Changi.Inbound indirect flight with Air Canada, departs from Singapore Changi on Sat, 5 Dec, arriving in Portland.Price includes taxes and charges.From $1,652, select.

Singapore.$1,660 per passenger.Departing Thu, 20 May, returning Sun, 30 May.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Portland on Thu, 20 May, arriving in Singapore Changi.Inbound indirect flight with Air Canada, departs from Singapore Changi on Sun, 30 May, arriving in Portland.Price includes taxes and charges.From $1,660, select.

Singapore.$1,707 per passenger.Departing Sun, 6 Sep, returning Sun, 13 Sep.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Portland on Sun, 6 Sep, arriving in Singapore Changi.Inbound indirect flight with Air Canada, departs from Singapore Changi on Sun, 13 Sep, arriving in Portland.Price includes taxes and charges.From $1,707, select.

Singapore.$1,718 per passenger.Departing Wed, 27 Jan, returning Wed, 10 Feb.Return flight with Korean Air.Outbound indirect flight with Korean Air, departs from Portland on Wed, 27 Jan, arriving in Singapore Changi.Inbound indirect flight with Korean Air, departs from Singapore Changi on Wed, 10 Feb, arriving in Portland.Price includes taxes and charges.From $1,718, select.

Singapore.$1,770 per passenger.Departing Fri, 4 Dec, returning Sat, 12 Dec.Return flight with Korean Air.Outbound indirect flight with Korean Air, departs from Portland on Fri, 4 Dec, arriving in Singapore Changi.Inbound indirect flight with Korean Air, departs from Singapore Changi on Sat, 12 Dec, arriving in Portland.Price includes taxes and charges.From $1,770, select.

Singapore.$1,807 per passenger.Departing Thu, 24 Sep, returning Wed, 7 Oct.Return flight with Korean Air.Outbound indirect flight with Korean Air, departs from Portland on Thu, 24 Sep, arriving in Singapore Changi.Inbound indirect flight with Korean Air, departs from Singapore Changi on Wed, 7 Oct, arriving in Portland.Price includes taxes and charges.From $1,807, select.

Singapore.$1,893 per passenger.Departing Sun, 23 Aug, returning Sat, 29 Aug.Return flight with Korean Air.Outbound indirect flight with Korean Air, departs from Portland on Sun, 23 Aug, arriving in Singapore Changi.Inbound indirect flight with Korean Air, departs from Singapore Changi on Sat, 29 Aug, arriving in Portland.Price includes taxes and charges.From $1,893, select.

Singapore.$1,992 per passenger.Departing Mon, 30 Nov, returning Mon, 14 Dec.Return flight with United.Outbound indirect flight with United, departs from Portland on Mon, 30 Nov, arriving in Singapore Changi.Inbound indirect flight with United, departs from Singapore Changi on Mon, 14 Dec, arriving in Portland.Price includes taxes and charges.From $1,992, select.

Singapore.$2,664 per passenger.Departing Thu, 24 Dec, returning Tue, 5 Jan.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Portland on Thu, 24 Dec, arriving in Singapore Changi.Inbound indirect flight with Air Canada, departs from Singapore Changi on Tue, 5 Jan, arriving in Portland.Price includes taxes and charges.From $2,664, select.

Singapore.$3,294 per passenger.Departing Wed, 18 Nov, returning Sun, 3 Jan.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Portland on Wed, 18 Nov, arriving in Singapore Changi.Inbound indirect flight with Air Canada, departs from Singapore Changi on Sun, 3 Jan, arriving in Portland.Price includes taxes and charges.From $3,294, select.

Find the cheapest month to fly from Portland to Singapore

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Portland to Singapore flights are currently cheapest in November.

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Alternative Portland to Singapore routes

Looking for the cheapest, fastest or easiest route from Portland to Singapore? You could fly into the following airports instead.

Seletar

14km from central Singapore

Closest

Search flights

Singapore Changi

18km from central Singapore

Cheapest

from $1,590

Search flights

Portland to Singapore: Flight information

The things to know before you go.

Cheapest flight found	$1,590
Cheapest month to fly	August

Finding cheap flights from Portland to Singapore: Frequently asked questions

How many airports are there in Singapore?

There are 2 airports in Singapore: Seletar and Singapore Changi.

How much are return flights from Portland to Singapore?

The best price we found for a return flight from Portland to Singapore is $1,593. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

Which airlines fly direct from Portland to Singapore?

Currently, there are no airlines that fly direct from Portland to Singapore. But we found flights with one or more stops from $1,590.

How many flights are there a week from Portland to Singapore?

As of August 2026, there are no flights flying from Portland to Singapore.

When is the cheapest time to fly from Portland to Singapore?

The cheapest month to fly from Portland to Singapore is usually August.

Which is the cheapest airport to fly into in Singapore?

If you're flying from Portland Airport, the cheapest airport near Singapore is Singapore Changi – which is 17.9 km away from the centre of Singapore. We've found flights into this airport from $1,593.

Which upcoming date is cheapest to fly from Portland Airport to Singapore on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Portland Airport to Singapore on Thursday, 27 August 2026.

Can I get a direct flight from Portland Airport to Singapore?

No airlines currently offer direct flights between Portland Airport and Singapore. Most routes have one or more stops.

How can I get the best flight deal from Portland Airport to Singapore?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Singapore but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Singapore?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Singapore is around 40 days in advance, so don’t leave your flight to the last minute.

What’s the weather like in Singapore?

In August, the average temperature is usually around 27°C. May is typically the warmest month in Singapore, when it usually averages around 30°C. You can expect the least rain in February. The coldest month is December, with temperatures averaging 25°C. The rainiest month is December.

Which is the cheapest airline to fly from Portland Airport to Singapore with?

Currently, Air Canada offers the cheapest flight tickets to Singapore.

Travelling from Portland International Airport (PDX) to Singapore: what you need to know

The timezone in Singapore is UTC+8. The city is 16 hours ahead of Portland, where Portland International Airport is located.
For hassle-free travel, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This will give you enough time to catch your PDX to Singapore flight.
During popular months such as July, it's wise to get to the airport earlier than usual. Arrive two hours before domestic departures and four hours ahead of international flights whenever you're flying during a peak period in general.
Stopovers are the perfect opportunity to break up your trip and perhaps even tick a new city off your list. When searching for plane tickets from PDX to Singapore, uncheck the 'Direct flights only' box to see where you can stop along the way. Some popular options include:
- Los Angeles International Airport (LAX)
- San Francisco International Airport (SFO)
- Vancouver International Airport (YVR)
Travelling from central Portland to PDX takes around 40 minutes by public transport. If you ride-share, drive or grab a taxi, you'll cover the 10 kilometres in 20 minutes or so, depending on traffic.
Booked an early flight from Portland International Airport to Singapore? Avoid rushing to the terminal (and sneak in some extra precious sleep) by choosing one of these stays near PDX:
Portland International Airport has a strong on-time record, reducing the likelihood of delays. Departures from PDX touch down on schedule 83% of the time.
You'll find PDX at 7000 NE Airport Way.

How to find the cheapest flights from Portland International Airport (PDX) to Singapore

$816 is currently the best price for a one-way Portland International Airport to Singapore flight. A return plane ticket starts at $1,593. These prices can change based on availability.
To find cheap flights from PDX to Singapore, book in advance. Airlines typically offer their most competitively priced fares when flights first go on sale.
Scoring cheap tickets from Portland International Airport to Singapore is easier if you can be flexible with your dates. Use the 'Whole month' function to access the best prices across each month and snap up an awesome deal.
Picking up a cheap flight from PDX to Singapore couldn't be easier with Price Alerts. All you need to do is set up one of these automatic notifications and we'll get in touch when a better deal is available.
Tailor your trip with filters. Select your departure and arrival times, airlines and total journey duration. You can also sort your results by 'Cheapest,' 'Fastest' or 'Best' flights from Portland International Airport to Singapore.

Airports in Singapore

Singapore Changi Airport (SIN)

The distance from Singapore Changi Airport (SIN) to central Singapore is roughly 19 kilometres. It takes about 25 minutes to get to the centre driving.
If you're travelling on public transport, expect a journey time of around 40 minutes.
Book a hotel near SIN if you have a late flight from Portland International Airport to Singapore. Check in to one of these options and make arrival day easier:
To get the best deal, reserve your ride from Singapore Changi Airport around two weeks ahead of your flight from PDX to Singapore.

Seletar Airport (XSP)

If you're staying in central Singapore (or just can't wait to start exploring), the city is around 14 kilometres from Seletar Airport (XSP). Keep an eye out for any information desks to point you in the right direction after disembarking your flight from Portland International Airport to Singapore.
Place the 'Do not disturb' sign on your door and relax at a hotel near XSP. Here are a few options where you can kick back after your PDX to Singapore flight:

Best time to go to Singapore

It's time to plan your dates for your flight from Portland International Airport to Singapore. February is the most popular month for a trip to Singapore. If you prefer a quieter vibe, go in December.
Before locking in your Portland International Airport to Singapore plane ticket, think about the type of weather you enjoy. May is the warmest month in Singapore, with temperatures ranging from 25ºC to 31ºC.
January has average temperatures of between 24ºC and 30ºC. Search for a cheap ticket from PDX to Singapore around that time if you want to travel in cooler conditions.

More about Singapore

When it comes to searching for somewhere to lay your head, you'll find the most popular stays in Singapore right here. Browse these options as soon as you've booked your flight from Portland International Airport to Singapore:
Marina Bay Sands Hotel Infinity Pool and Marina Bay Sands are just two of the top-rated attractions to add to your Singapore travel itinerary. Keep the momentum going by heading to Gardens by the Bay.