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Cheap flights from Singapore to Portland from S$ 749

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 6-7. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — PDX
17 Jun — 24 Jun1
1 adult

Cheap flight deals from Singapore to Portland

Discover tips and strategies to find the most affordable flight options for your journey from Singapore (SIN) to Portland (PDX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 12 June 2025.

Round-trip from

S$ 1,251

One-way from

S$ 749

Popular in

April

Cheapest in

June

Average price

S$ 1,330
2-9-16-9
  • 2-9-16-9
  • 4 total stops
  • 48h 04m total
  • Singapore to Portland
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Air Canada
  • Air Canada
  • 6-7
  • 1 total stop
  • 28h 51m total
  • Singapore to Portland
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (S$ 215 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (S$ 42 potential savings vs. average return price).
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Average for round-trip flights in June 2025
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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 12 June 2025.

Tue 2-913:10SIN - PDX
2 stops24h 34mMultiple Airlines
Tue 16-921:30PDX - SIN
2 stops23h 30mMultiple Airlines
Deal found 10-6S$ 1,251
Sat 26-715:10SIN - PDX
2 stops31h 42mEVA Air
Sat 2-821:59PDX - SIN
2 stops23h 01mEVA Air
Deal found 11-6S$ 1,273
Fri 25-702:00SIN - PDX
2 stops44h 52mChina Airlines
Sat 2-820:15PDX - SIN
2 stops37h 20mChina Airlines
Deal found 11-6S$ 1,405
Fri 25-708:05SIN - PDX
2 stops31h 22mAmerican Airlines
Fri 1-805:30PDX - SIN
2 stops27h 50mAmerican Airlines
Deal found 10-6S$ 1,453
Mon 23-601:55SIN - PDX
2 stops26h 55mJapan Airlines
Tue 1-707:55PDX - SIN
2 stops25h 25mJapan Airlines
Deal found 10-6S$ 1,469
Tue 24-609:10SIN - PDX
1 stop24h 36mAir Canada
Tue 1-706:15PDX - SIN
2 stops25h 25mAir Canada
Deal found 10-6S$ 1,526
Tue 2-909:15SIN - PDX
1 stop19h 19mSingapore Airlines
Tue 16-907:00PDX - SIN
1 stop19h 35mSingapore Airlines
Deal found 10-6S$ 1,635
Fri 25-720:40SIN - PDX
1 stop38h 57mUnited Airlines
Fri 1-809:47PDX - SIN
1 stop29h 28mUnited Airlines
Deal found 10-6S$ 1,861
Mon 1-901:10SIN - PDX
2 stops30h 49mDelta
Mon 15-900:40PDX - SIN
2 stops37h 20mDelta
Deal found 11-6S$ 2,005
Fri 25-700:40SIN - PDX
1 stop25h 40mKLM
Sat 2-813:15PDX - SIN
1 stop35h 15mKLM
Deal found 11-6S$ 3,205
Tue 24-614:00SIN - PDX
2 stops23h 56mSTARLUX Airlines
Tue 1-721:59PDX - SIN
2 stops23h 41mSTARLUX Airlines
Deal found 10-6S$ 18,563

Cheapflights Fare Finder

Customise your flight search to find flights from Singapore to Portland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 200,618 searches. Data last updated 12 June 2025.
Use the filters below to find and compare flights from Singapore to Portland that are best for you.

Fly from

Singapore

Fly to

Portland

Route

Depart

Return

Price

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Tue 2-9

13:10-22:44

2 stops24h 34m

Portland

Tue 16-9

21:30-12:00

2 stops23h 30m

S$ 1,251

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Sat 26-7

15:10-07:52

2 stops31h 42m

Portland

Sat 2-8

21:59-12:00

2 stops23h 01m

S$ 1,273

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Fri 25-7

02:00-07:52

2 stops44h 52m

Portland

Sat 2-8

20:15-00:35

2 stops37h 20m

S$ 1,405

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Fri 25-7

08:05-00:27

2 stops31h 22m

Portland

Fri 1-8

05:30-00:20

2 stops27h 50m

S$ 1,453

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Mon 23-6

01:55-13:50

2 stops26h 55m

Portland

Tue 1-7

07:55-00:20

2 stops25h 25m

S$ 1,469

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Tue 24-6

09:10-18:46

1 stop24h 36m

Portland

Tue 1-7

06:15-22:40

2 stops25h 25m

S$ 1,526

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Tue 2-9

09:15-13:34

1 stop19h 19m

Portland

Tue 16-9

07:00-17:35

1 stop19h 35m

S$ 1,635

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Fri 25-7

20:40-20:37

1 stop38h 57m

Portland

Fri 1-8

09:47-06:15

1 stop29h 28m

S$ 1,861

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Mon 1-9

01:10-16:59

2 stops30h 49m

Portland

Mon 15-9

00:40-05:00

2 stops37h 20m

S$ 2,005

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Fri 25-7

00:40-11:20

1 stop25h 40m

Portland

Sat 2-8

13:15-15:30

1 stop35h 15m

S$ 3,205

Flights are sorted by cheapest return flights first.

Deals found on 11-6

Showing 1-10 of 20 results
1
2

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

Rainfall in Portland by month

Plan your trip to Portland by taking into account the average rainfall totals by month.

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.

Temperature in Portland by month

Plan your trip to Portland by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing Portland

Get insights into the airlines that provide service to Portland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portland. Reviews last updated 12 June 2025.
STARLUX Airlines
9.1
Wonderful
Check prices

Food

8.8

Boarding

9.0

Overall

9.1

Comfort

9.0

Entertainment

8.9

Crew

9.3

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
9.1
Wonderful
STARLUX Airlines
9.1
Wonderful
Check prices

Food

8.8

Boarding

9.0

Overall

9.1

Comfort

9.0

Entertainment

8.9

Crew

9.3

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
1,202 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Food

8.8

Boarding

9.0

Overall

9.1

Comfort

9.0

Entertainment

8.9

Crew

9.3

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
1,489 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Food

8.8

Boarding

9.0

Overall

9.1

Comfort

9.0

Entertainment

8.9

Crew

9.3

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
738 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Food

8.8

Boarding

9.0

Overall

9.1

Comfort

9.0

Entertainment

8.9

Crew

9.3

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
1,302 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Food

8.8

Boarding

9.0

Overall

9.1

Comfort

9.0

Entertainment

8.9

Crew

9.3

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

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 are the cheapest airlines flying from Singapore to Portland round-trip?

    According to our current data, EVA Air (S$ 1,273), China Airlines (S$ 1,405), and American Airlines (S$ 1,453) offers the cheapest pricing from Singapore to Portland. EVA Air is 23% cheaper than the average price of flights available within the next 90 days to this destination.

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

    S$ 749 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 STARLUX Airlines, with prices starting from S$ 787 and S$ 851, 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

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Fly from Singapore to Portland on these airlines

Choose from the following airlines for your flight from Singapore to Portland. Flights are based on user searches made on Cheapflights and were last updated on 12 June 2025.
Singapore Airlines flights from Singapore Changi to Portland

Top airline flying from Singapore to Portland

Discover the top airline that operate flights from Singapore to Portland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 200,618 searches. Data last updated 12 June 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapestS$ 1,286AverageS$ 1,849FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights

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?

Cheapflights helps you search for flights from Singapore to Portland via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Portland from Singapore.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Singapore to Portland, users can toggle the no change fees filter when performing a flight search.

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

Yes! Start tracking prices for Singapore to Portland flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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