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$537+ 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 3/8. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — PDX
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
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 3, 2025.

This STARLUX Airlines deal was found by Cheapflights users on 11/1. 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 STARLUX Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/142:45 pmSIN - PDX
2 stops21h 52mSTARLUX Airlines
Tue 11/185:30 pmPDX - SIN
2 stops27h 55mSTARLUX Airlines
Deal found 11/1$1,072
This CheapTickets deal was found by Cheapflights users on 11/3. 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 CheapTickets is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/183:45 pmSIN - PDX
2 stops24h 27mMultiple Airlines
Thu 12/252:56 pmPDX - SIN
2 stops29h 09mMultiple Airlines
Deal found 11/3$1,171
This Cathay Pacific deal was found by Cheapflights users on 11/2. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/131:25 amSIN - PDX
2 stops37h 09mCathay Pacific
Tue 11/183:29 pmPDX - SIN
2 stops28h 26mCathay Pacific
Deal found 11/2$1,179
This United Airlines deal was found by Cheapflights users on 10/31. 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 11/1410:10 amSIN - PDX
1 stop24h 26mUnited Airlines
Tue 11/187:38 pmPDX - SIN
1 stop20h 22mUnited Airlines
Deal found 10/31$1,317
This Expedia deal was found by Cheapflights users on 11/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/188:50 amSIN - PDX
1 stop25h 40mAir Canada
Thu 12/257:00 pmPDX - SIN
1 stop20h 00mAir Canada
Deal found 11/3$1,598
This Jettzy deal was found by Cheapflights users on 11/3. 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 Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/171:25 amSIN - PDX
2 stops28h 19mCathay Pacific
Thu 12/254:26 pmPDX - SIN
2 stops28h 39mCathay Pacific
Deal found 11/3$1,780

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 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,072
(STARLUX Airlines)

One-way from

$543
(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 3, 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 11/14

2:45 pm-8:37 pm

2 stops21h 52m

Portland

Tue 11/18

5:30 pm-1:25 pm

2 stops27h 55m

$1,072

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 11/13

1:25 am-10:34 pm

2 stops37h 09m

Portland

Tue 11/18

3:29 pm-11:55 am

2 stops28h 26m

$1,179

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Fri 11/14

10:10 am-2:46 pm

1 stop20h 36m

Portland

Tue 11/18

12:55 pm-8:00 am

2 stops27h 05m

$1,317

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Sun 3/8

1:35 pm-3:54 pm

3 stops42h 19m

$537

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Wed 12/17

3:45 pm-12:19 am

2 stops24h 34m

$613

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Sat 3/7

3:00 am-12:19 pm

2 stops49h 19m

$642

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Sun 3/8

8:50 am-1:40 pm

1 stop20h 50m

$716

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Tue 12/16

1:25 am-4:30 pm

2 stops31h 05m

$820

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Wed 12/17

7:00 pm-12:02 am

1 stop21h 02m

$846

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 11/13

9:30 pm-9:50 am

3 stops52h 20m

$1,195

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

Showing 1-10 of 11 results
1
2
  • 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 21h 52m. Fly via STARLUX Airlines or Cathay Pacific 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 $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
Gresham
Tillamook
Troutdale

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Alternative routes for Singapore to Portland

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