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$573+ Cheap flights from Singapore (SIN) to Portland (PDX)

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 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — PDX
Dec 21 — Dec 281
Sun 12/21
Sun 12/28
1 adult, Economy
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Find cheap flights from Singapore to Portland with Cheapflights

1. Tell us where you want to go

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2. Select your favorite providers

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3. Compare prices and book

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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 November 21, 2025.

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.
Wed 11/2610:40 amSIN - PDX
2 stops37h 51mDelta
Wed 12/39:10 amPDX - SIN
2 stops27h 50mDelta
Deal found 11/20$942
This Korean Air 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/251:35 amSIN - PDX
2 stops27h 43mKorean Air
Wed 12/36:29 amPDX - SIN
2 stops25h 41mKorean Air
Deal found 11/20$948
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.
Wed 11/269:30 amSIN - PDX
2 stops45h 10mMultiple Airlines
Wed 12/33:15 pmPDX - SIN
1 stop23h 45mMultiple Airlines
Deal found 11/19$995
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.
Fri 11/213:45 pmSIN - PDX
2 stops38h 02mEVA Air
Mon 12/11:24 pmPDX - SIN
2 stops30h 41mEVA Air
Deal found 11/19$1,057
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.
Thu 11/202:00 amSIN - PDX
2 stops51h 47mChina Airlines
Mon 12/11:24 pmPDX - SIN
2 stops31h 41mChina Airlines
Deal found 11/19$1,068
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2610:20 pmSIN - PDX
1 stop18h 06mUnited Airlines
Wed 12/36:00 amPDX - SIN
1 stop22h 15mUnited Airlines
Deal found 11/20$1,276
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.
Fri 11/2110:10 amSIN - PDX
2 stops28h 47mUnited Airlines
Mon 12/16:00 amPDX - SIN
1 stop22h 15mUnited Airlines
Deal found 11/19$1,316

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 November 21, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$843
(Air Canada)

One-way from

$573
(Kiwi.com)

Popular in

April

Cheapest in

February

Average price

$1,052
Provider with most accurate pricing for Singapore Changi-Portland flight deals.
Search Deals
Provider most trusted by Cheapflights users for Singapore Changi-Portland flights.
Search Deals
From Singapore Changi to Portland
Search Deals
One-way flight from Singapore Changi to Portland
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($206 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated November 21, 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 1/20

1:35 am-4:30 pm

2 stops30h 55m

Portland

Sun 1/25

9:20 am-12:10 am

2 stops22h 50m

$942

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Wed 3/11

1:35 am-7:11 pm

2 stops32h 36m

Portland

Sun 3/15

7:10 am-12:10 am

2 stops26h 00m

$944

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 3/12

10:30 pm-1:14 pm

2 stops29h 44m

Portland

Sun 3/15

9:40 am-12:10 am

2 stops23h 30m

$949

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Mon 1/26

1:35 am-12:44 pm

2 stops27h 09m

Portland

Sat 2/14

5:10 pm-8:25 pm

2 stops35h 15m

$958

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Sun 1/25

1:35 am-12:44 pm

2 stops27h 09m

Portland

Mon 2/9

7:10 am-12:10 am

2 stops25h 00m

$958

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Sun 1/25

1:35 am-4:30 pm

2 stops30h 55m

Portland

Sat 2/14

7:10 am-12:10 am

2 stops25h 00m

$958

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 1/29

10:30 pm-12:44 pm

2 stops30h 14m

Portland

Tue 2/10

5:25 pm-8:25 pm

2 stops35h 00m

$958

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Mon 1/26

1:35 am-12:44 pm

2 stops27h 09m

Portland

Sun 2/8

5:25 pm-12:10 am

2 stops38h 45m

$958

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Tue 1/27

1:35 am-12:44 pm

2 stops27h 09m

Portland

Sun 2/8

5:25 pm-12:10 am

2 stops38h 45m

$958

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Sun 1/25

1:35 am-12:44 pm

2 stops27h 09m

Portland

Wed 2/11

6:25 am-12:10 am

2 stops25h 45m

$958

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 17 results
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Compare providers for flights from Singapore to Portland

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 Singapore to Portland in November.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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 Singapore-Portland flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Singapore-Portland flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Singapore-Portland flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Singapore-Portland flights, Cheapflights users trust eDreams the most. eDreams 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 Singapore-Portland 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 Singapore to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Singapore 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.

Cheapflights Insights

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

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

Currently, December is the cheapest month in which you can book a flight from Singapore to Portland (average of $715). Flying from Singapore to Portland in October is currently the most expensive (average of $1,306). 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.

How much does it cost to fly round-trip from Singapore to Portland?

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.

  • How long is the flight from Singapore to Portland?

    There are many flights that can get you from Singapore to Portland in 29h 44m. Fly via Delta or Korean Air to get the fastest option. The distance between Singapore and Portland is about 8123 mi. This flight may include one or multiple stops.

  • 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 vacation 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.

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

    Currently, December is the cheapest month in which you can book a flight from Singapore to Portland (average of $715). Flying from Singapore to Portland in October is currently the most expensive (average of $1,306). 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

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Vancouver
Seaside
Clackamas
Lincoln City
Lake Oswego
Beaverton
McMinnville
Hillsboro
Cannon Beach
Long Beach
Longview
Tigard
The Dalles
Depoe Bay
Stevenson
Wilsonville
Pacific City
Tillamook
Gresham
Troutdale

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Alternative routes for Singapore to Portland

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