S$442 Cheap Flights from Portland to Singapore

View S$442 flight on Wed, 19 Aug, 2026Opens in a new window

Popular airlines from Portland International Airport (PDX) to Singapore Changi Airport (SIN)

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Cheap Flights from Portland to Singapore (PDX-SIN)

Prices were available within the past 7 days and start at S$442 for one-way flights and S$1,060 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Tue, 11 Nov - Thu, 20 Nov
PDX
Portland
SIN
Singapore
S$1,060 Return, found 2 days ago
S$1,060
Return
found 2 days ago
Select Air Canada flight, departing Tue, 11 Nov from Portland to Singapore, returning Thu, 20 Nov, priced at S$1,060 found 2 days ago
Air Canada
Tue, 11 Nov - Thu, 22 Jan
PDX
Portland
SIN
Singapore
S$1,061 Return, found 1 day ago
S$1,061
Return
found 1 day ago
Select Air Canada flight, departing Tue, 11 Nov from Portland to Singapore, returning Thu, 22 Jan, priced at S$1,061 found 1 day ago
Air Canada
Thu, 30 Oct - Thu, 6 Nov
PDX
Portland
SIN
Singapore
S$1,063 Return, found 19 hours ago
S$1,063
Return
found 19 hours ago
Select Air Canada flight, departing Thu, 30 Oct from Portland to Singapore, returning Thu, 6 Nov, priced at S$1,063 found 19 hours ago
Delta
Tue, 21 Oct - Tue, 4 Nov
PDX
Portland
SIN
Singapore
S$1,099 Return, found 3 days ago
S$1,099
Return
found 3 days ago
Select Delta flight, departing Tue, 21 Oct from Portland to Singapore, returning Tue, 4 Nov, priced at S$1,099 found 3 days ago
Japan Airlines
Sun, 18 Jan - Fri, 6 Feb
PDX
Portland
SIN
Singapore
S$1,105 Return, found 3 days ago
S$1,105
Return
found 3 days ago
Select Japan Airlines flight, departing Sun, 18 Jan from Portland to Singapore, returning Fri, 6 Feb, priced at S$1,105 found 3 days ago
Korean Air
Tue, 11 Nov - Thu, 20 Nov
PDX
Portland
SIN
Singapore
S$1,106 Return, found 2 days ago
S$1,106
Return
found 2 days ago
Select Korean Air flight, departing Tue, 11 Nov from Portland to Singapore, returning Thu, 20 Nov, priced at S$1,106 found 2 days ago
American Airlines
Thu, 22 Jan - Mon, 26 Jan
PDX
Portland
SIN
Singapore
S$1,206 Return, found 3 days ago
S$1,206
Return
found 3 days ago
Select American Airlines flight, departing Thu, 22 Jan from Portland to Singapore, returning Mon, 26 Jan, priced at S$1,206 found 3 days ago
United
Sun, 9 Nov - Wed, 14 Jan
PDX
Portland
SIN
Singapore
S$1,311 Return, found 1 day ago
S$1,311
Return
found 1 day ago
Select United flight, departing Sun, 9 Nov from Portland to Singapore, returning Wed, 14 Jan, priced at S$1,311 found 1 day ago
Cathay Pacific
Tue, 11 Nov - Thu, 22 Jan
PDX
Portland
SIN
Singapore
S$1,353 Return, found 1 day ago
S$1,353
Return
found 1 day ago
Select Cathay Pacific flight, departing Tue, 11 Nov from Portland to Singapore, returning Thu, 22 Jan, priced at S$1,353 found 1 day ago
STARLUX Airlines
Thu, 22 Jan - Mon, 26 Jan
PDX
Portland
SIN
Singapore
S$1,429 Return, found 3 days ago
S$1,429
Return
found 3 days ago
Select STARLUX Airlines flight, departing Thu, 22 Jan from Portland to Singapore, returning Mon, 26 Jan, priced at S$1,429 found 3 days ago

Find the cheapest month to fly from Portland (PDX) to Singapore (SIN)

October is typically the cheapest month to fly

From S$928 - S$1,589 per traveller.

Alternative airports near Singapore

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Changi SIN. Cheapest option available. Average driving time to city centre is 18 minutes. Flights from S$1,101
SIN
Changi
Cheapest
Average driving time to city centre18 min
Flights from S$1,101

Frequently asked questions

How much is a flight from PDX Airport to Changi Airport (SIN)?
The lowest price advertised for a round-trip journey between Portland Airport and Singapore Airport is S$1,060. But you better act fast. This figure is taken from fares available within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from PDX Airport to Changi Airport?
The majority of flights can be cancelled online, but each air carrier has its own terms and conditions. If you do need to cancel your flight, go to our Customer Service Portal and follow the instructions.
How do I find cheap flights from PDX Airport to Changi Airport (SIN) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Portland Airport to Changi Airport (SIN) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from PDX to SIN?
Portland to Singapore is around 13,100 kilometres, so get ready to spend quite a while in the air. Don't forget to pack all the essentials, from your earplugs to your eye mask. Toss in a few snacks to munch on throughout your trip too.
Which airlines fly direct from PDX Airport to Changi Airport (SIN)?
You won't find any airlines flying directly between Portland Intl. Airport (PDX) and Changi Airport, so be prepared to make at least one stop on your journey. A layover can be a good way to break up a trip!
Are Portland Intl. Airport (PDX) to Changi Airport flight tickets cheaper when they're purchased at the last minute?
Last-minute planners can occasionally pick up a bargain, with some super cheap airfares from Portland Intl. Airport (PDX) to SIN popping up a few weeks before the date of departure. If you'd rather plan ahead of time, Expedia compares and updates the best flight deals regularly — as early as 12 months in advance in some cases. It does depend on the carrier though, as not all airlines quote prices so far in advance.

Travel information

Travel information

Origin airport
Portland Intl.
Destination airport
Changi
Airlines serving
Air Canada, Air France, All Nippon Airways, American Airlines, Cathay Pacific, Delta, Japan Airlines, KLM, Korean Air, Lufthansa, Qatar Airways, United
Return price
S$1,060
Distance
13005 km

Book with confidence

Book with confidence

Flights from Portland to Singapore

There are several airlines that operate frequent flights from Portland (PDX) to Singapore (SIN) including

The earliest flight leaves Portland Intl. Airport at 05:35 and arrives at Changi Airport at 00:05. The last flight of the day departs Portland at 19:56 and arrives at Singapore at 23:25.

The flight distance from Portland to Singapore is about 14424 km, the shortest flight is 19 hours 19 minutes with United Airlines.

Expedia lets you search across the largest number of airlines and Singapore flights, which means that you’ll be able to find a great flight deal at the perfect travel date and time. Our simple-to-use booking engine makes looking for terrific bargains easy and hassle-free; just enter your travel dates and departure city, and let Expedia do the rest! Adjust your travel dates and explore connecting flights to find an even better deal on your Portland Singapore flight!

Browse through dozens of options and rest assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Portland to Singapore trip. There’s simply no substitute for great prices suited to your travel needs and backed by excellent customer support.

Combine your Singapore flight with a hotel and/or car rental for a package deal designed to save you even more money! Discover additional savings by booking in advance or find a last minute deal. There are tons of ways to save on your flights from Portland to Singapore with Expedia. Use us as your stop travel destination and have the confidence that you’re getting a bargain!

Flights from Portland to Singapore

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