What are the cheapest airlines to fly from Singapore to Portland one-way?

S$ 506 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on China Airlines and Singapore Airlines, with prices starting from S$ 791 and S$ 1,136, respectively. Find deals

In terms of precipitation, rainfall in Portland ranges from 18.0 - 142.0 inches per month. November is typically the wettest month, when rainfall can reach 142.0 mm. July is typically the driest time to visit Portland when rainfall is around 18.0 mm. Find deals

If weather is an important factor for your trip to Portland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C). Find deals

What are the most popular airlines that fly from Singapore to Portland?

Air Canada, Japan Airlines and Singapore Airlines are the most popular airlines when flying from Singapore to Portland. Find deals

What is the cheapest month to fly from Singapore to Portland?

The best pricing can be found in the month of August. Prices to Portland from Singapore average S$ 1,618. You can even find prices in August for less than S$ 1,618, as users have found deals to Portland from as low as S$ 1,223. The month of April appears to be one of the more expensive times to travel to Portland from Singapore. Flying in the targeted month can save you up to 24%.

What is the cheapest time of day to fly from SG to PDX?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Singapore to Portland as you normally would.

What airport do you fly into for flights to Portland from Singapore?

If you book a flight to Portland from Singapore, you will be flying to Portland, which is the city’s only airport. Portland (PDX) is located 9.7 km from the centre of Portland.

Can I find deals for flights from Singapore to Portland that include hotel bookings?

Yes. In addition to deals on Singapore to Portland flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Singapore to Portland?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Singapore to Portland.

Can I find deals for business class flights from Singapore to Portland?

Yes. Cheapflights offers flight deals from Singapore to Portland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

S$ 506+ Flights from Singapore to Portland

Cheap flight deals from Singapore to Portland

Round-trip from	S$ 864
One-way from	S$ 506
Popular in	April
Cheapest in	August
Average price	S$ 1,537

Air Canada
9-10-19-11
2 total stops
49h 46m total
Singapore to Portland

Search Deals

Air Canada
2-12
1 total stop
20h 45m total
Singapore to Portland

Search Deals

Highest demand for flights based on searches. 11% potential increase in price (S$ 266 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (S$ 47 potential savings vs. average return price).

Search Deals

Average for round-trip flights in July 2025

Search Deals

Find flight deals from Singapore to Portland

Cheapest flights from Singapore to Portland
Explore the most affordable flight options available from Singapore to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 July 2025.

Tue 7-1001:45SIN - PDX

2 stops32h 01mAir Canada

Tue 18-1109:50PDX - SIN

1 stop30h 05mAir Canada

Deal found 26-7S$ 809

Wed 8-1006:15SIN - PDX

2 stops23h 31mMultiple Airlines

Tue 18-1115:54PDX - SIN

2 stops24h 01mMultiple Airlines

Deal found 26-7S$ 812

Wed 17-901:55SIN - PDX

2 stops25h 50mAmerican Airlines

Thu 2-1014:56PDX - SIN

2 stops35h 34mAmerican Airlines

Deal found 28-7S$ 1,428

Wed 8-1008:45SIN - PDX

1 stop30h 43mUnited Airlines

Tue 18-1107:30PDX - SIN

1 stop20h 45mUnited Airlines

Deal found 26-7S$ 1,671

Best flights from Singapore to Portland
Discover carefully curated flight deals from Singapore to Portland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 July 2025.

Thu 9-1009:10SIN - PDX

1 stop28h 51mAir Canada

Wed 19-1119:00PDX - SIN

1 stop20h 55mAir Canada

Deal found 27-7S$ 864

Thu 9-1001:45SIN - PDX

2 stops22h 35mMultiple Airlines

Thu 20-1113:00PDX - SIN

2 stops26h 00mMultiple Airlines

Deal found 28-7S$ 982

Sat 11-1014:00SIN - PDX

2 stops23h 45mSTARLUX Airlines

Fri 21-1120:38PDX - SIN

2 stops24h 47mSTARLUX Airlines

Deal found 29-7S$ 1,315

Wed 17-901:55SIN - PDX

2 stops25h 50mAmerican Airlines

Thu 2-1014:56PDX - SIN

2 stops35h 34mAmerican Airlines

Deal found 28-7S$ 1,428

Fri 12-920:40SIN - PDX

1 stop36h 52mUnited Airlines

Fri 19-917:40PDX - SIN

1 stop33h 45mUnited Airlines

Deal found 29-7S$ 1,766

One-way flights from Singapore to Portland
Search for one-way flight options from Singapore to Portland. Find affordable one-way fares based on user searches. Data last updated 30 July 2025.

Tue 2-1210:00SIN - PDX

1 stop20h 45mAir Canada

Deal found 27-7S$ 506

Fri 14-1101:10SIN - PDX

3 stops51h 05mMultiple Airlines

Deal found 29-7S$ 720

Fri 14-1102:00SIN - PDX

2 stops38h 09mChina Airlines

Deal found 29-7S$ 791

Wed 24-1209:15SIN - PDX

1 stop20h 32mSingapore Airlines

Deal found 29-7S$ 1,136

Sun 4-122:25SIN - PDX

2 stops32h 44mJapan Airlines

Deal found 26-7S$ 1,302

Mon 1-1222:20SIN - PDX

1 stop40h 32mUnited Airlines

Deal found 27-7S$ 1,419

Tue 23-1201:40SIN - PDX

1 stop25h 45mKLM

Deal found 29-7S$ 2,048

Mon 18-813:10SIN - PDX

2 stops46h 13mEVA Air

Deal found 29-7S$ 4,126

Fly from

Fly to

Route

Depart

Return

Price

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 9-10

09:10-23:01

1 stop28h 51m

Portland

Wed 19-11

19:00-07:55

1 stop20h 55m

S$ 864

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 9-10

01:45-09:20

2 stops22h 35m

Portland

Thu 20-11

13:00-07:00

2 stops26h 00m

S$ 982

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Sat 11-10

14:00-22:45

2 stops23h 45m

Portland

Fri 21-11

20:38-13:25

2 stops24h 47m

S$ 1,315

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Wed 17-9

01:55-12:45

2 stops25h 50m

Portland

Thu 2-10

14:56-17:30

2 stops35h 34m

S$ 1,428

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Fri 12-9

20:40-18:32

1 stop36h 52m

Portland

Fri 19-9

17:40-18:25

1 stop33h 45m

S$ 1,766

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Tue 2-12

10:00-14:45

1 stop20h 45m

S$ 506

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Fri 14-11

01:10-12:15

3 stops51h 05m

S$ 720

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Fri 14-11

02:00-00:09

2 stops38h 09m

S$ 791

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Wed 24-12

09:15-13:47

1 stop20h 32m

S$ 1,136

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Sun 4-1

22:25-15:09

2 stops32h 44m

S$ 1,302

Flights are sorted by cheapest return flights first.

Deals found on 27-7

Showing 1-10 of 13 results

Best time to book a flight from Singapore to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Singapore with our price prediction graph.

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Singapore to Portland

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Portland

Read through reviews of airlines operating flights from Singapore to Portland, such as STARLUX Airlines, EVA Air, andJapan Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

STARLUX Airlines

9.0

Wonderful

Check prices

Reviews

1 / 7

10.0

Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

STARLUX Airlines

9.0

Wonderful

STARLUX Airlines

9.0

Wonderful

Check prices

Reviews

1 / 7

10.0

Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

EVA Air

8.4

Very Good

1,221 reviews

STARLUX Airlines

9.0

Wonderful

Check prices

Reviews

1 / 7

10.0

Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

Japan Airlines

8.3

Very Good

1,535 reviews

STARLUX Airlines

9.0

Wonderful

Check prices

Reviews

1 / 7

10.0

Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

China Airlines

8.3

Very Good

754 reviews

STARLUX Airlines

9.0

Wonderful

Check prices

Reviews

1 / 7

10.0

Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

Singapore Airlines

8.1

Very Good

1,338 reviews

STARLUX Airlines

9.0

Wonderful

Check prices

Reviews

1 / 7

10.0

Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

Related info for your journey

What airport do you fly into for flights to Portland from Singapore?
If you book a flight to Portland from Singapore, you will be flying to Portland, which is the city’s only airport. Portland (PDX) is located 9.7 km from the centre of Portland.
What are the cheapest airlines to fly from Singapore to Portland one-way?
S$ 506 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on China Airlines and Singapore Airlines, with prices starting from S$ 791 and S$ 1,136, respectively.
Can I find deals for flights from Singapore to Portland that include hotel bookings?
Yes. In addition to deals on Singapore to Portland flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Singapore to Portland?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Singapore to Portland.
Can I find deals for business class flights from Singapore to Portland?
Yes. Cheapflights offers flight deals from Singapore to Portland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Singapore to Portland

Singapore to Portland flights

Singapore to Boise flights

Top 4 airlines flying from Singapore to Portland

Airline	Cheapest	Average	Flexibility	On-time
Japan Airlines	CheapestS$ 1,113	AverageS$ 1,485	FlexibilityNo cancel fee	On-time79%	Search Japan Airlines flights
Air Canada	CheapestS$ 1,206	AverageS$ 1,399	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Singapore Airlines	CheapestS$ 1,255	AverageS$ 1,852	FlexibilityNo cancel fee	On-time81%	Search Singapore Airlines flights
United Airlines	CheapestS$ 1,593	AverageS$ 1,691	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

Fly with Cheapflights

How does Cheapflights help users find flights from Singapore to Portland?

When you search for this flight from Singapore to Portland, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Singapore to Portland?

Cheapflights simply makes it quick and affordable to book flights from Singapore to Portland by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Singapore to Portland with no change fees?

Need flexible booking options for your flight to Portland from Singapore? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Singapore to Portland become cheaper?

Of course! You can now track prices for flights from Singapore to Portland and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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Cheap flights from Singapore to Portland from S$ 506

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2-12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Singapore to Portland

Keep the following information in mind while searching for Singapore to Portland flight deals. Data was last updated 30 July 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Singapore to Portland

Cheapest flights from Singapore to PortlandExplore the most affordable flight options available from Singapore to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 July 2025.

Explore the most affordable flight options available from Singapore to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 July 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Singapore to Portland that are best for you.

Best time to book a flight from Singapore to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Singapore with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Singapore to Portland

Reviews of airlines servicing Portland

Read through reviews of airlines operating flights from Singapore to Portland, such as STARLUX Airlines, EVA Air, andJapan Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Singapore to Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Portland from Singapore?

What are the cheapest airlines to fly from Singapore to Portland one-way?

Can I find deals for flights from Singapore to Portland that include hotel bookings?

How can I find direct flights from Singapore to Portland?

Can I find deals for business class flights from Singapore to Portland?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Singapore to Portland

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Singapore to Portland

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Singapore to Portland?

Why should you use Cheapflights to find cheap flight tickets from Singapore to Portland?

Can Cheapflights find flights from Singapore to Portland with no change fees?

Can Cheapflights notify me if prices for flights from Singapore to Portland become cheaper?

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Singapore to Portland
Explore the most affordable flight options available from Singapore to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 July 2025.