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

Compare Singapore Changi to Portland flight deals

Find the cheapest month or even day of the year to fly to Portland

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Flight deals from Singapore Changi to Portland

Looking for a cheap last-minute deal or the best return flight from Singapore Changi to Portland? Find the lowest prices on one-way and return tickets right here.

Portland.$1,499 per passenger.Departing Tue, 2 Sep, returning Sat, 4 Oct.Return flight with EVA Air and Alaska Airlines.Outbound indirect flight with EVA Air, departs from Singapore Changi on Tue, 2 Sep, arriving in Portland.Inbound indirect flight with Alaska Airlines, departs from Portland on Sat, 4 Oct, arriving in Singapore Changi.Price includes taxes and charges.From $1,499, select.

Portland.$1,509 per passenger.Departing Fri, 10 Oct, returning Mon, 20 Oct.Return flight with EVA Air and Alaska Airlines.Outbound indirect flight with EVA Air, departs from Singapore Changi on Fri, 10 Oct, arriving in Portland.Inbound indirect flight with Alaska Airlines, departs from Portland on Mon, 20 Oct, arriving in Singapore Changi.Price includes taxes and charges.From $1,509, select.

Portland.$1,510 per passenger.Departing Tue, 2 Sep, returning Wed, 17 Sep.Return flight with EVA Air and Alaska Airlines.Outbound indirect flight with EVA Air, departs from Singapore Changi on Tue, 2 Sep, arriving in Portland.Inbound indirect flight with Alaska Airlines, departs from Portland on Wed, 17 Sep, arriving in Singapore Changi.Price includes taxes and charges.From $1,510, select.

Portland.$1,529 per passenger.Departing Tue, 17 Jun, returning Mon, 30 Jun.Return flight with EVA Air and Alaska Airlines.Outbound indirect flight with EVA Air, departs from Singapore Changi on Tue, 17 Jun, arriving in Portland.Inbound indirect flight with Alaska Airlines, departs from Portland on Mon, 30 Jun, arriving in Singapore Changi.Price includes taxes and charges.From $1,529, select.

Portland.$1,592 per passenger.Departing Sat, 10 May, returning Sat, 17 May.Return flight with EVA Air and Alaska Airlines.Outbound indirect flight with EVA Air, departs from Singapore Changi on Sat, 10 May, arriving in Portland.Inbound indirect flight with Alaska Airlines, departs from Portland on Sat, 17 May, arriving in Singapore Changi.Price includes taxes and charges.From $1,592, select.

Portland.$1,707 per passenger.Departing Fri, 4 Jul, returning Sun, 3 Aug.Return flight with EVA Air and Alaska Airlines.Outbound indirect flight with EVA Air, departs from Singapore Changi on Fri, 4 Jul, arriving in Portland.Inbound indirect flight with Alaska Airlines, departs from Portland on Sun, 3 Aug, arriving in Singapore Changi.Price includes taxes and charges.From $1,707, select.

Portland.$1,745 per passenger.Departing Sun, 22 Jun, returning Sun, 6 Jul.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Singapore Changi on Sun, 22 Jun, arriving in Portland.Inbound indirect flight with Air Canada, departs from Portland on Sun, 6 Jul, arriving in Singapore Changi.Price includes taxes and charges.From $1,745, select.

Portland.$1,780 per passenger.Departing Sat, 12 Jul, returning Mon, 21 Jul.Return flight with EVA Air and Alaska Airlines.Outbound indirect flight with EVA Air, departs from Singapore Changi on Sat, 12 Jul, arriving in Portland.Inbound indirect flight with Alaska Airlines, departs from Portland on Mon, 21 Jul, arriving in Singapore Changi.Price includes taxes and charges.From $1,780, select.

Find the cheapest month to fly from Singapore Changi to Portland

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

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Singapore Changi to Portland: Alternative routes

Compare routes from Singapore Changi to Portland below. You may find an airport to fly into that's cheaper, faster, or easier than Portland.

Singapore to Portland: Flight information

The things to know before you go.

Cheapest flight found	$1,499
Cheapest month to fly	September

Finding cheap flights from Singapore Changi to Portland: Frequently asked questions

How much are return flights from Singapore Changi to Portland?

The best price we found for a return flight from Singapore Changi to Portland is $1,499. 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.

Which airlines fly direct from Singapore Changi to Portland?

Currently, there are no airlines that fly direct from Singapore Changi to Portland. But we found flights with one or more stops from $1,499.

How many flights are there a week from Singapore Changi to Portland?

As of May 2025, there are no flights flying from Singapore Changi to Portland.

When is the cheapest time to fly from Singapore Changi to Portland?

The cheapest month to fly from Singapore Changi to Portland is usually May 2025.

Which upcoming date is cheapest to fly from Singapore Changi Airport to Portland Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Singapore Changi Airport to Portland Airport on Tuesday, 2 September 2025.

Can I get a direct flight from Singapore Changi Airport to Portland Airport?

No airlines currently offer direct flights between Singapore Changi Airport and Portland Airport. Most routes have one or more stops.

How can I find the best flight deal to Portland?

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 Portland 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.

When is the best time to book flights to Portland?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Portland is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from Singapore Changi Airport to Portland with?

Currently, EVA Air offers the cheapest flight tickets to Portland.

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

Portland is 15 hours behind Singapore and is in the UTC-7 timezone.
Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules worth sticking to. Get to the airport on time to board your SIN to PDX flight.
Flying during a peak time like April? Public holidays and other popular periods can lead to longer lines and delays at check-in and security. Play it safe and arrive up to four hours ahead of an international flight and two hours before domestic departures.
If you want to split up your journey, simply deselect 'Direct flights only' when searching for your ticket from Changi International Airport to Portland International Airport. These are the most popular stopovers between SIN and PDX:
- Seattle-Tacoma International Airport
- San Francisco International Airport
- Vancouver International Airport

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

At the moment, $786 is the cheapest price we've seen for a one-way Changi International Airport to Portland International Airport flight. The best price for a return plane ticket is $1,499. Bear in mind that fares can change due to demand when booking.
It's often best to book in advance if you want to find cheap tickets from SIN to PDX. That's because flight prices are based on demand, which tends to increase closer to the date of departure.
If you're willing to be flexible with your travel dates, try using the 'Whole month' search function. It'll give you the cheapest price across the month when searching for a flight from Changi International Airport to Portland International Airport.
Landing cheap flights from SIN to PDX is a piece of cake with Price Alerts. Simply create one of these automatic alerts and we'll notify you as soon as a new discounted fare appears.
Choose your ideal arrival and departure times, number of stops and airlines with the filters. Or sort your results by 'Cheapest' to see the best deals on flights from Changi International Airport to Portland International Airport.

Handy information about Changi International Airport (SIN)

68.95% of flights that take off from Changi International Airport land at their destination on time.
Changi International Airport is around 21 kilometres from central Singapore. If you're driving, catching a cab or ride-sharing from the centre, it'll take you 20 minutes or so to arrive, depending on the traffic.
The journey on public transport usually takes 1 hour.
Catching an early flight from Changi International Airport to Portland International Airport? Avoid rushing to the airport (and enjoy a little extra shut-eye) by picking one of these hotels close to SIN:

Arriving at Portland International Airport (PDX)

The last thing you want is a long journey to your hotel if you're getting in late on a Changi International Airport to Portland International Airport flight. Book one of these accommodation options near PDX instead:
Pick up a Portland International Airport rental car and explore Portland and beyond with your own wheels. Thrifty, Budget and Hertz are leading providers to choose from here.
Lock in the best rate by booking your vehicle from Portland International Airport around one week before your trip.

Getting from Portland International Airport (PDX) to central Portland

You'll find PDX at 7000 NE Airport Way.
Portland International Airport to the centre of Portland has a drive time of about 20 minutes. It's approximately 19 kilometres away.
When travelling by public transport, expect a journey time of around 45 minutes.

When to fly to Portland International Airport (PDX)

July is the most popular month for flights from Changi International Airport to Portland International Airport. To skip the crowds, head to Portland in May.
When reserving your flight from Changi International Airport to Portland International Airport, think about the kind of weather you like. August is the warmest month in Portland, with the temperature ranging from 12ºC (54ºF) to 31ºC (88ºF).
Look for cheap tickets from SIN to PDX in December if you like cooler conditions. Temperatures are at their lowest around then, ranging between 0ºC (32ºF) and 9ºC (48ºF) on average.

Explore more of United States

Seattle is just one of the many places in United States waiting to be explored once you've seen Portland. Around 241 kilometres away to the north, popular attractions include Greyhound: Bus Station, LMN Architects and Boeing Radiation Effects Lab.
Spokane is another standout destination in United States and is around 467 kilometres north-east of Portland. No journey is complete without seeing Manito Park, Northwest Museum of Arts & Culture and Spokane Falls.