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Cheap flights from Singapore to Portland from S$ 755

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 10-7. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — PDX
9 Jul — 16 Jul1
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 4 July 2025.

Round-trip from

S$ 1,085

One-way from

S$ 755

Popular in

April

Cheapest in

June

Average price

S$ 1,521
Air Canada
  • Air Canada
  • 14-11-18-11
  • 3 total stops
  • 51h 25m total
  • Singapore to Portland
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Air Canada
  • Air Canada
  • 10-7
  • 2 total stops
  • 31h 46m total
  • Singapore to Portland
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (S$ 230 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (S$ 43 potential savings vs. average return price).
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Average for round-trip flights in July 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 4 July 2025.

Fri 14-1110:00SIN - PDX
1 stop24h 30mAir Canada
Tue 18-1113:00PDX - SIN
2 stops26h 55mAir Canada
Deal found 1-7S$ 1,085
Tue 2-922:50SIN - PDX
2 stops36h 47mAsiana Airlines
Tue 16-919:35PDX - SIN
2 stops34h 55mAsiana Airlines
Deal found 3-7S$ 1,097
Fri 15-802:00SIN - PDX
2 stops46h 45mChina Airlines
Sat 23-813:24PDX - SIN
2 stops44h 11mChina Airlines
Deal found 2-7S$ 1,246
Thu 17-714:00SIN - PDX
2 stops23h 56mSTARLUX Airlines
Sun 20-719:40PDX - SIN
2 stops26h 00mSTARLUX Airlines
Deal found 2-7S$ 1,368
Sat 16-815:10SIN - PDX
2 stops37h 40mEVA Air
Sat 23-814:30PDX - SIN
2 stops30h 30mEVA Air
Deal found 2-7S$ 1,369
Tue 2-909:10SIN - PDX
2 stops24h 19mMultiple Airlines
Tue 16-910:00PDX - SIN
1 stop30h 05mMultiple Airlines
Deal found 2-7S$ 1,387
Mon 1-901:55SIN - PDX
2 stops27h 26mAmerican Airlines
Tue 16-908:30PDX - SIN
2 stops24h 50mAmerican Airlines
Deal found 3-7S$ 1,475
Mon 1-901:55SIN - PDX
2 stops34h 19mJapan Airlines
Tue 16-907:23PDX - SIN
2 stops25h 57mJapan Airlines
Deal found 2-7S$ 1,476
Thu 17-708:45SIN - PDX
1 stop21h 10mUnited Airlines
Sun 20-709:47PDX - SIN
1 stop41h 38mUnited Airlines
Deal found 2-7S$ 1,764
Sat 16-807:30SIN - PDX
2 stops42h 04mDelta
Fri 22-800:46PDX - SIN
2 stops31h 54mDelta
Deal found 2-7S$ 2,480
Fri 15-800:40SIN - PDX
1 stop25h 40mKLM
Sat 23-813:15PDX - SIN
1 stop35h 15mKLM
Deal found 2-7S$ 3,267
Wed 16-701:10SIN - PDX
2 stops50h 54mWestJet
Sun 20-713:45PDX - SIN
2 stops43h 35mWestJet
Deal found 2-7S$ 4,439

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 4 July 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

Fri 14-11

10:00-18:30

1 stop24h 30m

Portland

Tue 18-11

13:00-07:55

2 stops26h 55m

S$ 1,085

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Tue 2-9

22:50-20:37

2 stops36h 47m

Portland

Tue 16-9

19:35-21:30

2 stops34h 55m

S$ 1,097

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Fri 15-8

02:00-09:45

2 stops46h 45m

Portland

Sat 23-8

13:24-00:35

2 stops44h 11m

S$ 1,246

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 17-7

14:00-22:56

2 stops23h 56m

Portland

Sun 20-7

19:40-12:40

2 stops26h 00m

S$ 1,368

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Sat 16-8

15:10-13:50

2 stops37h 40m

Portland

Sat 23-8

14:30-12:00

2 stops30h 30m

S$ 1,369

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Tue 2-9

09:10-18:29

2 stops24h 19m

Portland

Tue 16-9

10:00-07:05

1 stop30h 05m

S$ 1,387

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Mon 1-9

01:55-14:21

2 stops27h 26m

Portland

Tue 16-9

08:30-00:20

2 stops24h 50m

S$ 1,475

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Mon 1-9

01:55-21:14

2 stops34h 19m

Portland

Tue 16-9

07:23-00:20

2 stops25h 57m

S$ 1,476

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 17-7

08:45-14:55

1 stop21h 10m

Portland

Sun 20-7

09:47-18:25

1 stop41h 38m

S$ 1,764

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Sat 16-8

07:30-10:34

2 stops42h 04m

Portland

Fri 22-8

00:46-23:40

2 stops31h 54m

S$ 2,480

Flights are sorted by cheapest return flights first.

Deals found on 2-7

Showing 1-10 of 24 results
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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

How much does it cost for a return flight from Singapore to Portland?

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 4 July 2025.
See what other customers who have flown with STARLUX Airlines, EVA Air, andJapan Airlines from Singapore to Portland have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.0
Wonderful
Check prices

Boarding

9.0

Entertainment

9.0

Comfort

9.0

Food

8.9

Overall

9.0

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
9.0
Wonderful
STARLUX Airlines
9.0
Wonderful
Check prices

Boarding

9.0

Entertainment

9.0

Comfort

9.0

Food

8.9

Overall

9.0

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
1,215 reviews
STARLUX Airlines
9.0
Wonderful
Check prices

Boarding

9.0

Entertainment

9.0

Comfort

9.0

Food

8.9

Overall

9.0

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
1,504 reviews
STARLUX Airlines
9.0
Wonderful
Check prices

Boarding

9.0

Entertainment

9.0

Comfort

9.0

Food

8.9

Overall

9.0

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
744 reviews
STARLUX Airlines
9.0
Wonderful
Check prices

Boarding

9.0

Entertainment

9.0

Comfort

9.0

Food

8.9

Overall

9.0

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.
Asiana Airlines
8.2
Very Good
452 reviews
STARLUX Airlines
9.0
Wonderful
Check prices

Boarding

9.0

Entertainment

9.0

Comfort

9.0

Food

8.9

Overall

9.0

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, Air Canada (S$ 1,085), Asiana Airlines (S$ 1,097), and China Airlines (S$ 1,246) offers the cheapest pricing from Singapore to Portland. Air Canada is 33% 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$ 755 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$ 794 and S$ 797, 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 4 July 2025.
Singapore Airlines flights from Singapore Changi to Portland
Japan Airlines flights from Singapore Changi to Portland

Top 3 airlines flying from Singapore to Portland

Discover the top 3 airlines 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 4 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Japan AirlinesCheapestS$ 1,101AverageS$ 1,452FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
Air CanadaCheapestS$ 1,198AverageS$ 1,424FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Singapore AirlinesCheapestS$ 1,242AverageS$ 1,795FlexibilityNo 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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