S$635 Cheap Flights from Portland to Singapore

View S$635 flight on Wed, 27 Aug, 2025Opens in a new window

Popular airlines from Portland Intl. Jetport Airport (PWM) to Singapore Changi Airport (SIN)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 40% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Portland to Singapore (PWM-SIN)

Prices were available within the past 7 days and start at S$635 for one-way flights and S$1,314 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Japan Airlines
Tue, 9 Sep - Tue, 16 Sep
PWM
Portland
SIN
Singapore
S$1,314 Return, found 19 hours ago
S$1,314
Return
found 19 hours ago
Select Japan Airlines flight, departing Tue, 9 Sep from Portland to Singapore, returning Tue, 16 Sep, priced at S$1,314 found 19 hours ago
American Airlines
Tue, 9 Sep - Tue, 16 Sep
PWM
Portland
SIN
Singapore
S$1,324 Return, found 19 hours ago
S$1,324
Return
found 19 hours ago
Select American Airlines flight, departing Tue, 9 Sep from Portland to Singapore, returning Tue, 16 Sep, priced at S$1,324 found 19 hours ago
Japan Airlines
Tue, 9 Sep - Tue, 16 Sep
PWM
Portland
SIN
Singapore
S$1,349 Return, found 19 hours ago
S$1,349
Return
found 19 hours ago
Select Japan Airlines flight, departing Tue, 9 Sep from Portland to Singapore, returning Tue, 16 Sep, priced at S$1,349 found 19 hours ago
Air Canada
Tue, 9 Sep - Tue, 16 Sep
PWM
Portland
SIN
Singapore
S$1,360 Return, found 19 hours ago
S$1,360
Return
found 19 hours ago
Select Air Canada flight, departing Tue, 9 Sep from Portland to Singapore, returning Tue, 16 Sep, priced at S$1,360 found 19 hours ago
JetBlue Airways
Tue, 9 Sep - Tue, 16 Sep
PWM
Portland
SIN
Singapore
S$1,362 Return, found 19 hours ago
S$1,362
Return
found 19 hours ago
Select JetBlue Airways flight, departing Tue, 9 Sep from Portland to Singapore, returning Tue, 16 Sep, priced at S$1,362 found 19 hours ago
United
Tue, 9 Sep - Tue, 16 Sep
PWM
Portland
SIN
Singapore
S$1,498 Return, found 19 hours ago
S$1,498
Return
found 19 hours ago
Select United flight, departing Tue, 9 Sep from Portland to Singapore, returning Tue, 16 Sep, priced at S$1,498 found 19 hours ago
United
Tue, 9 Sep - Tue, 16 Sep
PWM
Portland
SIN
Singapore
S$1,502 Return, found 19 hours ago
S$1,502
Return
found 19 hours ago
Select United flight, departing Tue, 9 Sep from Portland to Singapore, returning Tue, 16 Sep, priced at S$1,502 found 19 hours ago
American Airlines
Tue, 9 Sep - Tue, 16 Sep
PWM
Portland
SIN
Singapore
S$1,551 Return, found 19 hours ago
S$1,551
Return
found 19 hours ago
Select American Airlines flight, departing Tue, 9 Sep from Portland to Singapore, returning Tue, 16 Sep, priced at S$1,551 found 19 hours ago
United
Tue, 9 Sep - Tue, 16 Sep
PWM
Portland
SIN
Singapore
S$1,561 Return, found 19 hours ago
S$1,561
Return
found 19 hours ago
Select United flight, departing Tue, 9 Sep from Portland to Singapore, returning Tue, 16 Sep, priced at S$1,561 found 19 hours ago
United
Tue, 9 Sep - Tue, 16 Sep
PWM
Portland
SIN
Singapore
S$1,578 Return, found 19 hours ago
S$1,578
Return
found 19 hours ago
Select United flight, departing Tue, 9 Sep from Portland to Singapore, returning Tue, 16 Sep, priced at S$1,578 found 19 hours ago
Portland to Singapore route information
Origin airport
Portland Intl. Jetport
Destination airport
Changi
Airlines serving
Air Canada, Air France, Delta, Etihad Airways, KLM, Korean Air, Qatar Airways, United
Return price
S$1,314
Distance
14891 km

Perfect flights from Portland to Singapore

Your Journey from Portland to Singapore

Start your unforgettable journey with Expedia. Our broad selection of flights from Portland to Singapore caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including American Airlines, Japan Airlines, JetBlue Airways, United, Air Canada. Our selection of flights from Portland Intl. Jetport to Changi caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

Maximizing Value with Portland to Singapore Flights

Experience the joy of finding cheap flights from Portland Intl. Jetport to Changi that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$635 and roundtrip prices from S$1,314*.
 

Pre-Flight Essentials

Ensure a smooth journey from Portland to Singapore with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant Singapore

Picture yourself stepping off the plane in Singapore and immersing yourself in the unique atmosphere of . From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your Portland to Singapore Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from Portland to Singapore.
 

Beyond the Flight – Exploring Singapore

With Expedia, your adventure extends beyond the flight. Explore Singapore at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from Portland to Singapore with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from Portland to Singapore with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.

Frequently asked questions

How much is a flight from PWM to SIN?
If you're planning on travelling between Portland Intl. Jetport Airport (PWM) and Singapore Airport, round-trip flights start from S$1,314. This price is based on fares available within the last 7 days on Expedia for flights departing within the next year, so don't let a good deal slip through your fingers. Book now and save yourself both money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Portland Intl. Jetport to Singapore Airport?
Most flights can be cancelled online, but each air carrier has its own set of 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 Portland Intl. Jetport Airport (PWM) 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 PWM to Changi Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Portland Intl. Jetport Airport (PWM) to Changi Airport (SIN)?
The distance is around 15,000 kilometres, so pack your carry-on luggage with whatever you need to make your journey comfortable. Wondering what to take on board your Portland to Singapore flight? Earplugs, a sleep mask and a neck pillow are among the essentials.
Which airlines fly direct from PWM to Changi Airport?
Flying directly between Portland Intl. Jetport and Singapore Airport isn't possible right now. However, you'll still be able to find a flight to Singapore with at least one stop.
Are PWM to SIN flight tickets cheaper when they're purchased at the last minute?
It is possible to nab amazing last-minute deals from Portland Intl. Jetport to Changi Airport, but it's also possible to miss out altogether! As many airlines advertise prices up to 12 months in advance, it's worth keeping an eye on fares early and being ready to pounce when you see a bargain. Expedia compares air carrier prices and updates flight deals all the time, so you can be sure you're always getting the latest offers.

Explore a world of travel with Expedia

*Available to Expedia members.