$568 Cheap Flights from Singapore (SIN) to Portland (PDX)

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

Cheap Flights from Singapore to Portland (SIN-PDX)

Prices were available within the past 7 days and start at $568 for one-way flights and $806 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Sat, Oct 11 - Sun, Oct 26
SIN
Singapore
PDX
Portland
$806 Roundtrip, found 3 days ago
$806
Roundtrip
found 3 days ago
Select Air Canada flight, departing Sat, Oct 11 from Singapore to Portland, returning Sun, Oct 26, priced at $806 found 3 days ago
Asiana Airlines
Tue, Jan 13 - Fri, Jan 23
SIN
Singapore
PDX
Portland
$850 Roundtrip, found 6 hours ago
$850
Roundtrip
found 6 hours ago
Select Asiana Airlines flight, departing Tue, Jan 13 from Singapore to Portland, returning Fri, Jan 23, priced at $850 found 6 hours ago
Air Canada
Fri, Feb 27 - Fri, Mar 13
SIN
Singapore
PDX
Portland
$852 Roundtrip, found 4 days ago
$852
Roundtrip
found 4 days ago
Select Air Canada flight, departing Fri, Feb 27 from Singapore to Portland, returning Fri, Mar 13, priced at $852 found 4 days ago
Air Canada
Fri, Feb 27 - Fri, Mar 13
SIN
Singapore
PDX
Portland
$877 Roundtrip, found 4 days ago
$877
Roundtrip
found 4 days ago
Select Air Canada flight, departing Fri, Feb 27 from Singapore to Portland, returning Fri, Mar 13, priced at $877 found 4 days ago
Asiana Airlines
Tue, Jan 13 - Fri, Jan 23
SIN
Singapore
PDX
Portland
$957 Roundtrip, found 6 hours ago
$957
Roundtrip
found 6 hours ago
Select Asiana Airlines flight, departing Tue, Jan 13 from Singapore to Portland, returning Fri, Jan 23, priced at $957 found 6 hours ago
STARLUX Airlines
Tue, Dec 23 - Wed, Dec 31
SIN
Singapore
PDX
Portland
$1,008 Roundtrip, found 3 days ago
$1,008
Roundtrip
found 3 days ago
Select STARLUX Airlines flight, departing Tue, Dec 23 from Singapore to Portland, returning Wed, Dec 31, priced at $1,008 found 3 days ago
Cathay Pacific
Thu, Oct 30 - Thu, Nov 6
SIN
Singapore
PDX
Portland
$1,192 Roundtrip, found 2 days ago
$1,192
Roundtrip
found 2 days ago
Select Cathay Pacific flight, departing Thu, Oct 30 from Singapore to Portland, returning Thu, Nov 6, priced at $1,192 found 2 days ago
Lufthansa
Tue, Jan 13 - Fri, Jan 23
SIN
Singapore
PDX
Portland
$1,292 Roundtrip, found 6 hours ago
$1,292
Roundtrip
found 6 hours ago
Select Lufthansa flight, departing Tue, Jan 13 from Singapore to Portland, returning Fri, Jan 23, priced at $1,292 found 6 hours ago
United
Thu, Oct 30 - Thu, Nov 6
SIN
Singapore
PDX
Portland
$1,296 Roundtrip, found 2 days ago
$1,296
Roundtrip
found 2 days ago
Select United flight, departing Thu, Oct 30 from Singapore to Portland, returning Thu, Nov 6, priced at $1,296 found 2 days ago
American Airlines
Tue, Jan 13 - Fri, Jan 23
SIN
Singapore
PDX
Portland
$1,341 Roundtrip, found 6 hours ago
$1,341
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Tue, Jan 13 from Singapore to Portland, returning Fri, Jan 23, priced at $1,341 found 6 hours ago

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

October is typically the cheapest month to fly

From $695 - $1,261 per traveler.

Frequently asked questions

How much does a flight from Changi Airport (SIN) to Portland Intl. Airport (PDX) cost?
Grab a cheap one-way flight from $568 or cheap return flight from $806 from Changi Airport (SIN) to Portland Intl. Airport (PDX) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Changi Airport (SIN) to Portland Intl. Airport (PDX)?
October is the most affordable month to fly from SIN to PDX. Timing your trip outside of the busy season is often the key to finding better deals on flights.
What is the cheapest airline that flies from Changi Airport (SIN) to Portland Intl. Airport (PDX)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest SIN to PDX flight.
How many flights per day from Changi Airport (SIN) to Portland Intl. Airport (PDX)?
There aren't any daily direct flights from Changi Airport (SIN) to Portland Intl. Airport (PDX). But you can opt for flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be on your way in no time at all.
What day of the week has the most flights from SIN to PDX?
Generally you'll find the largest variety of flight choices on a Friday. Tuesdays are often the quietest.* But this can change based on the time of year, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Changi Airport (SIN) to Portland Intl. Airport (PDX)?
To avoid potential delays on the Changi Airport (SIN) to Portland Intl. Airport (PDX) route, fly before 3 PM. Later flights have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Changi Airport (SIN) to Portland Intl. Airport (PDX) last-minute?
Waiting until right before your break to book a flight from SIN to PDX often results in higher prices. While you may find some last-minute deals, there's no guarantee. Keep your travel plans flexible for the best chance of scoring a bargain.
Is it cheaper to book a SIN to PDX flight and hotel package?
Compared with arranging hotels and flights separately, booking a SIN to PDX flight and hotel package with Expedia could result in significant savings. What's more, having it all in one place takes the hassle out of planning your trip. Simply secure your flights and select from our wide range of stays, then tailor your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Changi Airport (SIN) to Portland Intl. Airport (PDX)?
If you booked your SIN to PDX flight in the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more information.

Travel information

Travel information

Origin airport
Changi
Destination airport
Portland Intl.
Airlines serving
All Nippon Airways, Cathay Pacific, Finnair, Japan Airlines, Korean Air, Lufthansa, Qatar Airways, STARLUX Airlines, Swiss International Air Lines
Roundtrip price
$805
Distance
8128 mi

Book with confidence

Book with confidence

Singapore to Portland Flights

The cheapest times to fly from Singapore to Portland

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Singapore to Portland are during the month of October. You can find some of the cheapest flights from Singapore to Portland with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Singapore to Portland

Sunday is one of the best days to book for cheap flights from Singapore to Portland: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Singapore to Portland

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Singapore to Portland in 2025. You can also book with separate airlines for your outbound and return journeys, from $568 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Singapore to Portland flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Singapore to Portland airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Singapore to Portland Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.