S$568 Cheap Flights from Portland to Singapore

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

  • Be in the know

    Get alerts if flight prices drop or rise*
  • Book smarter

    Save up to 40% on select hotels after you book a flight*
  • Earn twice

    Earn your airline miles on top of our rewards

Cheap Flights from Portland to Singapore (PDX-SIN)

Prices were available within the past 7 days and start at S$568 for one-way flights and S$1,387 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Qatar Airways
Qatar Airways
Qatar Airways
Alaska Airlines
Alaska Airlines
Air Canada
Japan Airlines
Cathay Pacific
All Nippon Airways
STARLUX Airlines

Alternative airports near Singapore

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

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$1,387. 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

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, Qantas Airways, Qatar Airways, United
Return price
S$1,386
Distance
13005 km

Book with confidence

Explore a world of travel with Expedia

*Available to Expedia members.