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$520+ Cheap flights from Portland (PDX) to Singapore (SIN)

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 2/17. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SIN
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
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The best prices from Portland to Singapore Changi are usually found in October or November, booked 62 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap flight deals from Portland to Singapore

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Singapore (SIN). 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 November 20, 2024.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Popular in

July

Cheapest in

October

Round-trip from

$842
(Air Canada)

One-way from

$520
(Kiwi.com)
Provider with most accurate pricing for Portland-Singapore Changi flight deals.
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Provider most trusted by Cheapflights users for Portland-Singapore Changi flights.
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High demand for flights, 14% potential price rise
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Best time to find cheap flights, 21% potential price drop
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From Portland to Singapore Changi
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One-way flight from Portland to Singapore Changi
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Find flight deals from Portland to Singapore

Cheapest flights from Portland to Singapore
Explore the most affordable flight options available from Portland to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2024.

This United Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/46:00 amPDX - SIN
1 stop22h 15mUnited Airlines
Tue 12/1010:20 pmSIN - PDX
1 stop37h 53mUnited Airlines
Deal found 11/19$1,193
This Delta deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/67:00 amPDX - SIN
2 stops30h 00mDelta
Sat 12/2811:00 amSIN - PDX
2 stops23h 44mDelta
Deal found 11/20$1,281
This Air Canada deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/193:25 pmPDX - SIN
1 stop24h 30mAir Canada
Thu 12/2610:00 amSIN - PDX
1 stop24h 24mAir Canada
Deal found 11/19$1,454
This Gotogate deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/410:10 amPDX - SIN
1 stop29h 45mMultiple Airlines
Mon 12/92:20 amSIN - PDX
2 stops27h 50mMultiple Airlines
Deal found 11/19$1,480
This oojo deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/46:00 amPDX - SIN
2 stops31h 40mCathay Pacific
Tue 12/102:05 pmSIN - PDX
3 stops40h 06mCathay Pacific
Deal found 11/19$1,565
This KLM deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/61:25 pmPDX - SIN
1 stop34h 50mKLM
Fri 12/271:40 amSIN - PDX
2 stops32h 47mKLM
Deal found 11/19$1,978
This Justfly.com deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/67:00 amPDX - SIN
2 stops25h 10mKorean Air
Fri 1/31:30 amSIN - PDX
2 stops30h 58mKorean Air
Deal found 11/19$2,188
This Singapore Airlines deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/68:50 pmPDX - SIN
1 stop30h 15mSingapore Airlines
Sat 12/289:15 amSIN - PDX
1 stop30h 44mSingapore Airlines
Deal found 11/20$2,672
This KAYAK deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/56:00 amPDX - SIN
2 stops43h 25mJapan Airlines
Sat 1/42:20 amSIN - PDX
2 stops28h 49mJapan Airlines
Deal found 11/19$4,471
This oojo deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/49:54 amPDX - SIN
2 stops39h 41mTurkish Airlines
Tue 12/1011:25 pmSIN - PDX
2 stops31h 55mTurkish Airlines
Deal found 11/19$5,578
This Lufthansa deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/291:34 pmPDX - SIN
2 stops35h 31mLufthansa
Tue 1/1411:55 pmSIN - PDX
2 stops35h 07mLufthansa
Deal found 11/19$5,620
This KAYAK deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/199:21 amPDX - SIN
3 stops40h 39mFiji Airways
Thu 12/261:25 pmSIN - PDX
3 stops47h 35mFiji Airways
Deal found 11/19$5,647

Find flights from Portland to Singapore within your budget

Customize your flight search to find flights from Portland to Singapore 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 2,629,791 searches. Data last updated November 20, 2024.

Fly from

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Fly to

Any airport

Route

Depart

Return

Price

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Wed 12/4

3:25 pm-7:55 am

1 stop24h 30m

Singapore Changi

Tue 12/10

10:00 am-6:35 pm

2 stops24h 35m

$842

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Sun 2/9

3:25 pm-7:55 am

1 stop24h 30m

Singapore Changi

Sun 2/16

10:00 am-6:24 pm

1 stop24h 24m

$848

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Wed 1/15

8:22 pm-7:05 pm

1 stop30h 43m

Singapore Changi

Fri 1/24

9:15 am-12:52 pm

1 stop19h 37m

$1,057

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Wed 1/15

1:52 pm-8:45 am

2 stops26h 53m

Singapore Changi

Thu 1/23

3:15 am-4:24 pm

2 stops29h 09m

$1,151

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Wed 12/4

6:00 am-8:15 pm

1 stop22h 15m

Singapore Changi

Tue 12/10

10:20 pm-8:13 pm

1 stop37h 53m

$1,193

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Thu 1/9

7:00 am-6:40 am

2 stops31h 40m

Singapore Changi

Mon 1/27

2:20 am-3:57 pm

2 stops29h 37m

$1,197

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Wed 1/15

6:03 am-12:55 am

2 stops26h 52m

Singapore Changi

Fri 1/24

6:35 am-7:02 pm

2 stops28h 27m

$1,228

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Sun 2/9

6:00 am-12:25 am

2 stops26h 25m

Singapore Changi

Sat 2/15

1:25 am-2:05 pm

2 stops28h 40m

$1,256

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Fri 12/6

7:00 am-5:00 am

2 stops30h 00m

Singapore Changi

Sat 12/28

11:00 am-6:44 pm

2 stops23h 44m

$1,281

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Sat 1/11

7:35 am-6:25 pm

2 stops42h 50m

Singapore Changi

Sat 1/25

10:05 pm-9:42 pm

2 stops39h 37m

$1,761

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 18 results
1
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Compare providers for flights from Portland to Singapore

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Singapore in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Portland-Singapore flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Portland-Singapore flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Portland-Singapore flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland-Singapore flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland-Singapore flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Portland to Singapore

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

Travel insights for flights from Portland to Singapore

Get recent, data-driven insights about flights from Portland to Singapore including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Portland to Singapore?

Use this chart to determine the optimal time to book a round-trip flight from Portland to Singapore. Price data was last updated on November 15, 2024.

The price you pay for your flight from Portland to Singapore may vary depending on when you book. For the best chance of a lower fare, look to book 62 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Portland to Singapore?

Currently, September is the cheapest month in which you can book a flight from Portland to Singapore (average of $1,011). Flying from Portland to Singapore in June is currently the most expensive (average of $1,556). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

Find hourly flight availability from Portland to Singapore. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 20, 2024.

It’s optimal to fly from Portland to Singapore at noon. By choosing this option you can save up to 18% on the cost of your flight, compared to a flight in the afternoon.

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

Use this chart to determine the cheapest time to fly round-trip from Portland to Singapore. Price data was last updated on November 18, 2024.

Travelers seeking maximum savings on their Portland to Singapore flight should consider departing on Monday at noon when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Singapore by month

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

In terms of precipitation, rainfall in Singapore ranges from 5.9 - 10.6 inches per month. December is typically the wettest month, when rainfall can reach 10.6 in. July is typically the driest time to visit Singapore when rainfall is around 5.9 in.

Temperature in Singapore by month

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

If weather is an important factor for your trip to Singapore, use this chart to help with planning. For those seeking warmer temperatures, March is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 78.8 F).

Reviews of airlines servicing Singapore

Get insights into the airlines that provide service to Singapore. 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 Singapore. Reviews last updated November 20, 2024.
Korean Air
8.5
Very good
1,024 reviews

Comfort

8.3

Crew

8.7

Boarding

8.5

Overall

8.5

Food

8.1

Entertainment

8.2

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

Korean Air
8.5
Very good
1,024 reviews
Korean Air
8.5
Very good
1,024 reviews

Comfort

8.3

Crew

8.7

Boarding

8.5

Overall

8.5

Food

8.1

Entertainment

8.2

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

ANA
8.4
Very good
833 reviews
Korean Air
8.5
Very good
1,024 reviews

Comfort

8.3

Crew

8.7

Boarding

8.5

Overall

8.5

Food

8.1

Entertainment

8.2

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

Japan Airlines
8.3
Very good
1,460 reviews
Korean Air
8.5
Very good
1,024 reviews

Comfort

8.3

Crew

8.7

Boarding

8.5

Overall

8.5

Food

8.1

Entertainment

8.2

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

Singapore Airlines
8.1
Very good
1,336 reviews
Korean Air
8.5
Very good
1,024 reviews

Comfort

8.3

Crew

8.7

Boarding

8.5

Overall

8.5

Food

8.1

Entertainment

8.2

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

Delta
8.0
Very good
8,756 reviews
Korean Air
8.5
Very good
1,024 reviews

Comfort

8.3

Crew

8.7

Boarding

8.5

Overall

8.5

Food

8.1

Entertainment

8.2

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

Related info for your journey

Find useful and relevant information for your journey from Portland to Singapore. 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 Portland to Singapore round-trip?

    Flying on Air Canada is currently your cheapest option to Singapore, with prices starting at $848. Additional round-trip tickets that might be worth considering are offered by Singapore Airlines and Qatar Airways, with the lowest prices starting at $1,057 and $1,151, respectively. Air Canada is currently priced 36% below the average price you’ll pay for this route.

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

    The cheapest airlines for a one-way flight from Portland to Singapore are Air Canada ($597), Cathay Pacific ($625), and United Airlines ($627).

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

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

  • How can I find direct flights from Portland to Singapore?

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

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

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

  • What is the cheapest month to book a flight from Portland to Singapore?

    Currently, September is the cheapest month in which you can book a flight from Portland to Singapore (average of $1,011). Flying from Portland to Singapore in June is currently the most expensive (average of $1,556). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Portland to Singapore

See prices for flight routes from nearby airports that may be better suited for you.
Boise to Singapore flights
Eugene to Singapore flights

Top 3 airlines flying from Portland to Singapore

Discover the top 3 airlines that operate flights from Portland to Singapore. 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 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$845Average$1,266FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$1,013Average$1,348FlexibilityNo cancel feeOn-time67%
Singapore AirlinesCheapest$1,060Average$1,315FlexibilityNo cancel feeOn-time81%
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