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$939+ Cheap flights from Singapore (SIN) to Portland (PDX)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — PDX
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
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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 6, 2025.

This Gotogate deal was found by Cheapflights users on 11/6. 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.
Fri 11/288:50 amSIN - PDX
1 stop25h 40mAir Canada
Thu 12/49:50 amPDX - SIN
1 stop29h 10mAir Canada
Deal found 11/6$982
This Trip.com deal was found by Cheapflights users on 11/6. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2712:40 amSIN - PDX
2 stops39h 38mMultiple Airlines
Thu 12/45:49 pmPDX - SIN
2 stops23h 46mMultiple Airlines
Deal found 11/6$1,033
This Delta deal was found by Cheapflights users on 11/6. 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.
Thu 11/271:35 amSIN - PDX
2 stops33h 44mDelta
Wed 12/312:32 amPDX - SIN
2 stops36h 28mDelta
Deal found 11/6$2,378
This United Airlines deal was found by Cheapflights users on 11/6. 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 11/2810:10 amSIN - PDX
3 stops47h 42mUnited Airlines
Thu 12/46:00 amPDX - SIN
3 stops32h 55mUnited Airlines
Deal found 11/6$3,269

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 6, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$939
(Delta)

One-way from

$538
(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. 15% potential increase in price ($217 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($31 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 6, 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 3/10

1:35 am-4:29 pm

2 stops29h 54m

Portland

Sun 3/15

5:30 am-12:10 am

2 stops27h 40m

$939

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Fri 11/28

8:50 am-9:15 am

1 stop16h 25m

Portland

Thu 12/4

7:00 pm-11:15 am

2 stops24h 15m

$986

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 11/27

12:40 am-12:18 am

2 stops39h 38m

Portland

Thu 12/4

5:49 pm-9:35 am

2 stops23h 46m

$1,033

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Wed 3/11

9:00 pm-9:15 am

2 stops27h 15m

Portland

Sun 3/15

7:00 pm-7:00 am

1 stop21h 00m

$1,224

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 4/30

10:10 pm-4:28 pm

3 stops57h 18m

$2,605

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 4/30

9:10 am-2:40 pm

1 stop20h 30m

$3,240

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Wed 4/29

12:40 am-11:20 am

1 stop25h 40m

$6,984

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

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 $653). 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 54m. Fly via Delta to get the fastest option. The distance between Singapore and Portland is about 8123 mi.

  • 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 $653). 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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