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

View AU$860 flight on Thu, 12 Nov 2026Opens in a new window

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

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

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, 8 Sept - Tue, 29 Sept
SIN
Singapore
PDX
Portland
AU$1,405 Return, found 3 days ago
AU$1,405
Return
found 3 days ago
Select Delta flight, departing Tue, 8 Sept from Singapore to Portland, returning Tue, 29 Sept, priced at AU$1,405 found 3 days ago
Japan Airlines
Mon, 31 Aug - Tue, 29 Sept
SIN
Singapore
PDX
Portland
AU$1,566 Return, found 3 hours ago
AU$1,566
Return
found 3 hours ago
Select Japan Airlines flight, departing Mon, 31 Aug from Singapore to Portland, returning Tue, 29 Sept, priced at AU$1,566 found 3 hours ago
Korean Air
Mon, 31 Aug - Tue, 29 Sept
SIN
Singapore
PDX
Portland
AU$1,578 Return, found 3 hours ago
AU$1,578
Return
found 3 hours ago
Select Korean Air flight, departing Mon, 31 Aug from Singapore to Portland, returning Tue, 29 Sept, priced at AU$1,578 found 3 hours ago
Korean Air
Mon, 31 Aug - Tue, 29 Sept
SIN
Singapore
PDX
Portland
AU$1,580 Return, found 3 hours ago
AU$1,580
Return
found 3 hours ago
Select Korean Air flight, departing Mon, 31 Aug from Singapore to Portland, returning Tue, 29 Sept, priced at AU$1,580 found 3 hours ago
Korean Air
Mon, 31 Aug - Tue, 29 Sept
SIN
Singapore
PDX
Portland
AU$1,581 Return, found 3 hours ago
AU$1,581
Return
found 3 hours ago
Select Korean Air flight, departing Mon, 31 Aug from Singapore to Portland, returning Tue, 29 Sept, priced at AU$1,581 found 3 hours ago
American Airlines
Mon, 31 Aug - Tue, 29 Sept
SIN
Singapore
PDX
Portland
AU$1,616 Return, found 3 hours ago
AU$1,616
Return
found 3 hours ago
Select American Airlines flight, departing Mon, 31 Aug from Singapore to Portland, returning Tue, 29 Sept, priced at AU$1,616 found 3 hours ago
American Airlines
Mon, 31 Aug - Tue, 29 Sept
SIN
Singapore
PDX
Portland
AU$1,620 Return, found 3 hours ago
AU$1,620
Return
found 3 hours ago
Select American Airlines flight, departing Mon, 31 Aug from Singapore to Portland, returning Tue, 29 Sept, priced at AU$1,620 found 3 hours ago
Japan Airlines
Mon, 31 Aug - Tue, 29 Sept
SIN
Singapore
PDX
Portland
AU$1,622 Return, found 3 hours ago
AU$1,622
Return
found 3 hours ago
Select Japan Airlines flight, departing Mon, 31 Aug from Singapore to Portland, returning Tue, 29 Sept, priced at AU$1,622 found 3 hours ago
Japan Airlines
Mon, 31 Aug - Tue, 29 Sept
SIN
Singapore
PDX
Portland
AU$1,649 Return, found 3 hours ago
AU$1,649
Return
found 3 hours ago
Select Japan Airlines flight, departing Mon, 31 Aug from Singapore to Portland, returning Tue, 29 Sept, priced at AU$1,649 found 3 hours ago
EVA Airways
Mon, 31 Aug - Tue, 29 Sept
SIN
Singapore
PDX
Portland
AU$1,714 Return, found 3 hours ago
AU$1,714
Return
found 3 hours ago
Select EVA Airways flight, departing Mon, 31 Aug from Singapore to Portland, returning Tue, 29 Sept, priced at AU$1,714 found 3 hours ago

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

May is typically the cheapest month to fly

From AU$1,276 - AU$1,758 per traveller.

Frequently asked questions

How much does a flight from Singapore (SIN-Changi) to Portland, OR (PDX-Portland Intl.) cost?
You can find one-way and return flights from SIN to PDX with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when SIN to PDX ticket fares go up or down.
What is the cheapest month to fly from Singapore (SIN-Changi) to Portland, OR (PDX-Portland Intl.)?
The cheapest months to fly from SIN to PDX are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Singapore (SIN-Changi) to Portland, OR (PDX-Portland Intl.)?
Enter SIN to PDX and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Singapore (SIN-Changi) to Portland, OR (PDX-Portland Intl.)?
Philippine Airlines is one of the cheapest airlines offering connecting return flights from Singapore (SIN-Changi) to Portland, OR (PDX-Portland Intl.), with prices starting from around AU$2139 for flights that can be booked for departure within the next year, with a layover in Ninoy Aquino Intl. (MNL). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from Singapore (SIN-Changi) to Portland, OR (PDX-Portland Intl.)?
To find a cheap flight from Singapore (SIN-Changi) to Portland, OR (PDX-Portland Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Singapore (SIN-Changi) to Portland, OR (PDX-Portland Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Singapore (SIN-Changi) to Portland, OR (PDX-Portland Intl.)?
There are approximately 59 connecting flights per day from Singapore (SIN-Changi) to Portland, OR (PDX-Portland Intl.). Some common connection points include Hong Kong Intl. (HKG), Incheon Intl. (ICN), and Taoyuan Intl. (TPE).
What is the earliest flight from Singapore (SIN-Changi) to Portland, OR (PDX-Portland Intl.)?
The earliest flight from Singapore (SIN-Changi) to Portland, OR (PDX-Portland Intl.) typically departs around 12:05 AM local time. This service is offered by Swiss International Air Lines and United. This is a seasonal service, active in January and October. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Singapore (SIN-Changi) to Portland, OR (PDX-Portland Intl.)?
You'll generally find the most flights from Singapore (SIN-Changi) to Portland, OR (PDX-Portland Intl.) on a Sunday, with around 44 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Cathay Pacific, Korean Air, and Japan Airlines. Sunday offers notably more flight options compared to other days of the week, making it a great day to consider for your journey.
What are the most popular departure times for flights from Singapore (SIN-Changi) to Portland, OR (PDX-Portland Intl.)?
The most popular departure times for flights from Singapore Changi (SIN) to Portland, OR Portland Intl. (PDX) are in the morning, from 6am to 9am. Many major carriers, including Japan Airlines, Air Canada and Korean Air, offer flights during this window. Many travellers prefer these times as they allow for an early start to your journey.
How long does it take to fly from Singapore (SIN-Changi) to Portland, OR (PDX-Portland Intl.)?
There are no nonstop flights from Singapore (SIN-Changi) to Portland, OR (PDX-Portland Intl.). The journey covers a distance of approximately 13,082 kilometres. Flights with one stop typically take around 22 hours 48 minutes. If your journey involves two or more stops, you can expect the travel time to be longer, usually around 24 hours 30 minutes. Keep in mind that actual flight times can vary due to factors like routing, weather, and wind patterns.
Can you fly business or first class from Singapore (SIN-Changi) to Portland, OR (PDX-Portland Intl.)?
Yes, you can fly business class or first class between SIN and PDX. Airlines that offer business class service on this route include:
  • KLM
  • Korean Air
  • China Eastern Airlines
  • Cathay Pacific
  • Turkish Airlines
  • Qatar Airways
  • Lufthansa
  • Starlux Airlines
  • Japan Airlines
  • Asiana Airlines
  • Air Canada
  • All Nippon Airways
  • Air Japan Company
  • Finnair
First class cabins are available on Emirates and Japan Airlines.
How do I earn miles on a Singapore (SIN-Changi) to Portland, OR (PDX-Portland Intl.) flight with Expedia?
It's easy to earn miles on a Singapore (SIN-Changi) to Portland, OR (PDX-Portland Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Portland, OR (PDX) from Singapore (SIN)?
If you're planning to travel to Portland from Changi (SIN), you can fly directly into Portland International Airport (PDX) which offers international flights and connections. Some flights may connect through major hubs like Hong Kong International Airport (HKG), Narita International Airport (NRT), or Incheon International Airport (ICN) before reaching Portland. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Singapore (SIN-Changi) to Portland, OR (PDX-Portland Intl.) at the last minute?
Typically, booking a last minute flight from Singapore (SIN-Changi) to Portland, OR (PDX-Portland Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Singapore (SIN-Changi) to Portland, OR (PDX-Portland Intl.) flight and hotel package?
Securing a Singapore (SIN-Changi) to Portland, OR (PDX-Portland Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Singapore (SIN-Changi) to Portland, OR (PDX-Portland Intl.)?
If you booked your Singapore (SIN-Changi) to Portland, OR (PDX-Portland Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Changi
Destination airport
Portland Intl.
Roundtrip price
AU$1,404
Distance
13005 km

Book with confidence

Your quick guide to flights from Singapore to Portland

Pick up great flights from Singapore to Portland

With Expedia, you have your pick of flights a day with 20 airlines covering flights from Singapore to Portland. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Singapore to Portland that take around hours.

Find cheap flights from Singapore to Portland

From the great flight deals with prices currently ranging from AU$1,405 to AU$1,714, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Singapore to Portland around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Portland is normally in September.

Reasons to book your flight from Singapore to Portland with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Singapore to Portland across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Portland right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Your quick guide to flights from Singapore to Portland

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*Available to Expedia members.