S$727 Cheap Flights from Singapore to Portland

Within the past 7 days on Expedia, for flights departing within the next year, the lowest price advertised for a round-trip journey between SIN and Portland Airport was S$1,185. Cheap fares don't last forever, so make sure you book yours today. Prices and availability are subject to change. Additional terms apply.

This varies between air carriers, as each one has its own terms and conditions. Visit the Customer Service Portal, where you'll find instructions on how to cancel online.

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 Changi Airport to Portland Intl. Airport (PDX) flights, you'll see a "no change fees" filter for you to select.

Singapore to Portland is around 13,100 kilometres, so be prepared to spend a while in the air. Don't forget to pack all the essentials, from your toothbrush to your hairbrush. Take a couple of snacks to munch on throughout your trip too.

Flying directly between Changi Airport and PDX isn't possible right now. However, you'll still be able to book a flight to Portland with at least one stop.

Tickets from Changi Airport to PDX Airport are available up to 12 months before departure on Expedia. And although you may occasionally pick up great last-minute deal, it's never a sure thing. Also, booking your flights well in advance means you'll have more choices — and you can avoid being wedged in the dreaded middle seat! We frequently update our fares to bring you the best bargains, so keep checking in for all the latest specials.