Flight tickets from Portland to Singapore

Compare Portland to Singapore flight deals

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Flight deals from Portland Airport to Singapore

Looking for a cheap last-minute deal or the best return flight from Portland Airport to Singapore? If you want to travel next month, return fares start from ₹ 95,414. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Portland to Singapore

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Portland to Singapore flights are currently cheapest in February.

Alternative Portland to Singapore routes

Looking for the cheapest, fastest or easiest route from Portland to Singapore? You could fly into the following airports instead.

Portland to Singapore: Flight information

The things to know before you go.
Cheapest flight found₹ 42,619
Cheapest month to flyFebruary

Finding cheap flights from Portland to Singapore: Frequently asked questions

There are 2 airports in Singapore: Seletar and Singapore Changi.
The best price we found for a return flight from Portland to Singapore is ₹ 78,765. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Portland to Singapore. But we found flights with one or more stops from ₹ 79,328.
As of January 2026, there are no flights flying from Portland to Singapore.
The cheapest month to fly from Portland to Singapore is usually May.
If you're flying from Portland Airport, the cheapest airport near Singapore is Singapore Changi – which is 17.9 km away from the centre of Singapore. We've found flights into this airport from ₹ 78,765.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Portland Airport to Singapore on Thursday, 14 May 2026.
No airlines currently offer direct flights between Portland Airport and Singapore. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Singapore but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Singapore is around 40 days in advance, so don’t leave your flight to the last minute.
In January, the average temperature is usually around 26°C. May is typically the warmest month in Singapore, when it usually averages around 30°C. You can expect the least rain in February. The coldest month is December, with temperatures averaging 25°C. The rainiest month is December.
Currently, Alaska Airlines offers the cheapest flight tickets to Singapore.

Travelling from Portland International Airport (PDX) to Singapore: what you need to know

  • Portland International Airport is located in Portland. Based in the UTC+8 timezone, Singapore is 15 hours ahead of Portland.

  • For hassle-free travel, turn up at the airport two hours ahead of international flights and an hour before domestic departures. That way, you won't have to rush to board your PDX to Singapore flight.

  • If you're heading away during a major holiday or another peak period, give yourself extra time. A good general rule is two hours before domestic flights and up to four hours before international departures. Queues at security and check-in will be longer.

  • A stopover is the ideal opportunity to break up your journey and maybe even visit a new city. When browsing for flight tickets from PDX to Singapore, deselect the 'Direct flights only' box to see where you can stop along the way. Consider one of these popular options:

    • Los Angeles International Airport (LAX)

    • San Francisco International Airport (SFO)

    • Vancouver International Airport (YVR)

  • PDX is about 10 kilometres from central Portland. If you're driving, ride-sharing or catching a cab from the centre, it'll take you 20 minutes or so to get there, depending on the traffic. If you're planning to take public transport, expect the trip time to be around 45 minutes.

  • In search of a hotel close to PDX? If you're boarding an early flight from Portland International Airport to Singapore, these stays will get you from your pillow to the plane in no time:

  • Portland International Airport has an excellent on-time performance, reducing your chances of a delayed flight. Departures from PDX land on schedule 83.65% of the time.

  • You'll find PDX at 7000 NE Airport Way.

How to find the cheapest flights from Portland International Airport (PDX) to Singapore

  • ₹ 42,619 is currently the best price for a one-way Portland International Airport to Singapore flight. Return flight tickets start at ₹ 78,765. These prices can change based on demand.

  • Booking early is often the key to finding a cheap flight from PDX to Singapore. Airlines adjust prices based on demand, so the nearer you get to departure, the more you'll likely pay.

  • Landing cheap tickets from Portland International Airport to Singapore is easier if you can be flexible with your dates. Use the 'Whole month' tool to get the lowest prices across each month and score an epic deal.

  • Finding a cheap flight from PDX to Singapore is easy with Price Alerts. All you need to do is create one of these automatic notifications and we'll let you know as soon as a cheaper option becomes available.

  • Pick your preferred arrival and departure times, airlines and number of stops with our filters. Then, sort the results for your flight from Portland International Airport to Singapore by 'Cheapest,' 'Fastest' or 'Best.'

Airports in Singapore

Changi International Airport (SIN)

  • The distance from Changi International Airport (SIN) to central Singapore is roughly 21 kilometres. It'll take you about 20 minutes to get to the centre driving.

  • If you're taking public transport, expect a journey time of about 1 hour.

  • Think about booking a hotel near SIN if you're coming in on a late flight from Portland International Airport to Singapore. Choose one of these accommodation options and make arrival day easier:

  • Travel at your own speed with a Changi International Airport rental car. Book your wheels from Avis, Sixt or Green Motion and find adventure across Singapore and beyond.

  • Get the best deal by booking your vehicle from Changi International Airport about two weeks before your flight from PDX to Singapore.

Seletar Airport (XSP)

  • After your flight from Portland International Airport to Singapore has hit the tarmac, you can get to the city centre in about 25 minutes by car. Central Singapore is roughly 19 kilometres from Seletar Airport (XSP).

  • If you choose to travel on public transport, you'll get to the city centre in 1 hour 25 minutes or so.

  • Hang up the 'Do not disturb' sign and rest at a hotel close to XSP. Here are a few options where you can kick back after your PDX to Singapore flight:

Best time to go to Singapore

  • Carefully consider your dates before locking in your flight from Portland International Airport to Singapore. The city comes alive in peak season, but prices are often higher and attractions can get crowded. Plan your trip to Singapore in low season for a quieter vibe.

  • Before booking a Portland International Airport to Singapore flight ticket, think about the kind of weather you prefer. May is the warmest month in Singapore, with temperatures ranging from 25ºC to 31ºC.

  • Look for cheap tickets from PDX to Singapore in January if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between 24ºC and 30ºC on average.

More about Singapore

  • When it comes to searching for somewhere to rest your head, you'll find the most popular stays in Singapore right here. Browse these options as soon as you've booked your flight from Portland International Airport to Singapore:

  • Every great holiday has to include a little sightseeing. Gardens by the Bay, Marina Bay Sands and Universal Studios Singapore are attractions you won't want to skip in Singapore.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.