￥57,020 Cheap Flights from Portland (PDX) to Singapore (SIN)

View ￥57,020 flight on Tue, Nov 4, 2025Opens in a new window

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

    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save up to 40% on select hotels after you book a flight*
    trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Portland to Singapore (PDX-SIN)

Prices were available within the past 7 days and start at ￥57,020 for one-way flights and ￥112,820 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Tue, Nov 4 - Thu, Nov 13
PDX
Portland
SIN
Singapore
￥112,820 Roundtrip, found 4 days ago
￥112,820
Roundtrip
found 4 days ago
Select Air Canada flight, departing Tue, Nov 4 from Portland to Singapore, returning Thu, Nov 13, priced at ￥112,820 found 4 days ago
Air Canada
Tue, Nov 4 - Thu, Nov 13
PDX
Portland
SIN
Singapore
￥145,670 Roundtrip, found 4 days ago
￥145,670
Roundtrip
found 4 days ago
Select Air Canada flight, departing Tue, Nov 4 from Portland to Singapore, returning Thu, Nov 13, priced at ￥145,670 found 4 days ago
Air Canada
Tue, Nov 4 - Thu, Nov 13
PDX
Portland
SIN
Singapore
￥146,500 Roundtrip, found 4 days ago
￥146,500
Roundtrip
found 4 days ago
Select Air Canada flight, departing Tue, Nov 4 from Portland to Singapore, returning Thu, Nov 13, priced at ￥146,500 found 4 days ago
United
Tue, Nov 4 - Thu, Nov 13
PDX
Portland
SIN
Singapore
￥149,460 Roundtrip, found 4 days ago
￥149,460
Roundtrip
found 4 days ago
Select United flight, departing Tue, Nov 4 from Portland to Singapore, returning Thu, Nov 13, priced at ￥149,460 found 4 days ago
Cathay Pacific
Tue, Nov 4 - Thu, Nov 13
PDX
Portland
SIN
Singapore
￥154,280 Roundtrip, found 4 days ago
￥154,280
Roundtrip
found 4 days ago
Select Cathay Pacific flight, departing Tue, Nov 4 from Portland to Singapore, returning Thu, Nov 13, priced at ￥154,280 found 4 days ago
Air Canada
Tue, Nov 4 - Thu, Nov 13
PDX
Portland
SIN
Singapore
￥154,570 Roundtrip, found 4 days ago
￥154,570
Roundtrip
found 4 days ago
Select Air Canada flight, departing Tue, Nov 4 from Portland to Singapore, returning Thu, Nov 13, priced at ￥154,570 found 4 days ago
Air Canada
Tue, Nov 4 - Thu, Nov 13
PDX
Portland
SIN
Singapore
￥155,400 Roundtrip, found 4 days ago
￥155,400
Roundtrip
found 4 days ago
Select Air Canada flight, departing Tue, Nov 4 from Portland to Singapore, returning Thu, Nov 13, priced at ￥155,400 found 4 days ago
China Eastern Airlines
Tue, Nov 4 - Thu, Nov 13
PDX
Portland
SIN
Singapore
￥157,770 Roundtrip, found 4 days ago
￥157,770
Roundtrip
found 4 days ago
Select China Eastern Airlines flight, departing Tue, Nov 4 from Portland to Singapore, returning Thu, Nov 13, priced at ￥157,770 found 4 days ago
Alaska Airlines
Tue, Nov 4 - Thu, Nov 13
PDX
Portland
SIN
Singapore
￥162,600 Roundtrip, found 4 days ago
￥162,600
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Tue, Nov 4 from Portland to Singapore, returning Thu, Nov 13, priced at ￥162,600 found 4 days ago
Alaska Airlines
Tue, Nov 4 - Thu, Nov 13
PDX
Portland
SIN
Singapore
￥163,180 Roundtrip, found 4 days ago
￥163,180
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Tue, Nov 4 from Portland to Singapore, returning Thu, Nov 13, priced at ￥163,180 found 4 days ago

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

October is typically the cheapest month to fly

From ￥106,371 - ￥182,141 per traveler.
Flights from Portland (PDX) to Singapore (SIN)
Origin airport
Portland Intl.
Destination airport
Changi
Roundtrip price
￥112,820
Distance
13005 km

Portland to Singapore Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Portland to will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Singapore.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with PDX to SIN flights that won’t make your bank account wince. Ready to temporarily leave behind Portland for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to SIN with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Frequently asked questions

How much is a flight from Portland Airport to SIN?
If you're planning on traveling between Portland Intl. Airport (PDX) and Changi Airport (SIN), round-trip flights start from ￥112,820. This figure is based on airfares advertised within the last 7 days on Expedia for flights departing within the next year, so don't let a good deal pass you by. Book today and save yourself 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. Airport (PDX) to Changi Airport (SIN)?
This can differ between air carriers, as each one has its own set of terms and conditions. Visit the Customer Service Portal, where you'll find easy instructions on how to cancel your flight online.
How do I find cheap flights from PDX Airport to 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 PDX Airport to SIN flights, you'll see a "no change fees" filter for you to select.
How many hours is the flight from Portland Airport to SIN?
Make the 19 hours and 31 minutes between PDX and Changi Airport (SIN) as comfortable as possible. Bring the essentials, like a neck pillow, your toothbrush and warm clothes, and sit back and enjoy the flight!
How far is the flight from PDX Airport to Changi Airport?
The distance is around 13,100 kilometers, so pack your carry-on luggage with all the items you need to make the long journey comfortable. Not sure what to take on board your Portland to Singapore flight? A sleep mask, earplugs and a travel pillow are a few essentials.
Which airlines fly direct from Portland Airport to Singapore Airport?
At the moment, no airlines offer flights directly from Portland Intl. Airport (PDX) to Changi Airport (SIN). You'll have to book a flight with at least one stop. To score the best price and connections, lock in your airfare well in advance.
Are Portland Airport to Changi Airport flight tickets cheaper when they're purchased at the last minute?
Booking your trip from Portland Intl. Airport (PDX) to SIN last minute could be your ticket to a great deal. However, it could end up costing a good deal more! If you'd rather err on the side of caution, book well ahead of your departure date. In fact, Expedia has some of the biggest bargains as far ahead as 12 months in advance. If your preferred carrier hasn't released tickets yet, check back regularly as deals are updated on Expedia all the time.

Explore a world of travel with Expedia

*Available to Expedia members.