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Amazing PDX to SIN Flight Deals

The cheapest flights to Changi found within the past 7 days were $685 round trip and $451 one way. Prices and availability subject to change. Additional terms may apply.

FAQs about flights from Portland Intl. Airport (PDX) to Changi Airport (SIN)

Are there direct flights from PDX Airport to Singapore Airport?

You won't find any nonstop flights from Portland, OR (PDX-Portland Intl.) to Singapore (SIN-Changi). However, there are airlines offering flights with just one stopover. Check out United Airlines, Singapore Airlines or Delta.

If I am not able to travel due to COVID-19, can I change my booking to a later date?

For more info about changing your flight to Singapore (SIN-Changi), please visit our Customer Service Portal.

How long is the flight from PDX Airport to Singapore Airport?

The flight time between Portland and Singapore is typically about 18 hours and 24 minutes — long enough to disturb anyone's body clock. Consider the time zone differences and be sure to get some sleep on this long-haul flight to prevent jet lag.

What is the flight distance from PDX Airport to Singapore Airport?

The flight distance from Portland, OR (PDX-Portland Intl.) to Singapore (SIN-Changi) is 9,010 mi. Neck pillow? Check. Noise-canceling headphones? Double check. You'll want all the long-haul survival tools for this lengthy flight.

What airlines fly from PDX Airport to Singapore Airport?

Unfortunately, you won't find any airlines that fly direct from Portland, OR (PDX-Portland Intl.) to Singapore (SIN-Changi). But don't let that small detail stop you. Use any stopover as an opportunity to have a shop, check out the local food and drink and potentially discover a new city to explore further one day.

What is the best day to buy a plane ticket?

This just in! Airfares offered on Tuesdays tend to be the cheapest, according to flight demand on Travelocity in 2019. Wednesday and Friday prices are also good, but you may want to prepare your budget if booking on a Monday, as data shows the start of the week is when prices are generally at their highest.

What are the cheapest days to fly?

Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2019, flights departing on a Tuesday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.

How far in advance can you book a flight?

Trying to figure out how early you should book your flight? It's possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2019 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 1-2 weeks prior to their travel dates.

How can I save money on airline tickets?

We'll let you in on a secret...You can save big on flights if you mix and match your airlines and fare types. In fact, travelers who booked flights on Travelocity in 2019 saved nearly 50% when their return flights consisted of two different airlines or fare types.

*According to flight demand on from January to December 2019. Savings are subject to change based on departure location, date and destination.

Portland Intl. to Changi Flight FAQ

Traveling FromPortland Intl.
Traveling ToChangi
Shortest Flight Time hours mins
Earliest Departure Time
Latest Departure Time
Lowest Flight Price$685

Portland to Singapore Carriers and Route Information

Flight path for flights from Portland International Airport to Changi International Airport.

8,184.00 miles

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.