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$472+ 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 9/27. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — PDX
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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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 September 17, 2025.

Round-trip from

$917
(Trip.com)

One-way from

$472
(Kiwi.com)

Popular in

April

Cheapest in

August

Average price

$1,127
From Singapore Changi to Portland
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One-way flight from Singapore Changi to Portland
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Highest demand for flights based on searches. 13% potential increase in price ($201 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 17, 2025.

This Trip.com deal was found by Cheapflights users on 9/15. 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.
Fri 10/312:25 pmSIN - PDX
2 stops34h 24mMultiple Airlines
Fri 11/75:41 pmPDX - SIN
2 stops27h 24mMultiple Airlines
Deal found 9/15$917
This Air Canada deal was found by Cheapflights users on 9/15. 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.
Fri 10/318:50 amSIN - PDX
1 stop24h 40mAir Canada
Fri 11/77:00 pmPDX - SIN
1 stop20h 00mAir Canada
Deal found 9/15$934
This SmartFares deal was found by Cheapflights users on 9/14. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/303:45 pmSIN - PDX
2 stops22h 52mMultiple Airlines
Thu 11/65:30 pmPDX - SIN
2 stops26h 35mMultiple Airlines
Deal found 9/14$947
This oojo deal was found by Cheapflights users on 9/14. 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 10/292:00 amSIN - PDX
2 stops46h 06mChina Airlines
Thu 11/65:41 pmPDX - SIN
2 stops27h 24mChina Airlines
Deal found 9/14$954
This Expedia deal was found by Cheapflights users on 9/16. 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.
Tue 9/231:45 pmSIN - PDX
2 stops24h 02mMultiple Airlines
Wed 10/85:55 pmPDX - SIN
2 stops27h 40mMultiple Airlines
Deal found 9/16$964
This iWofly deal was found by Cheapflights users on 9/15. 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 iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/301:10 pmSIN - PDX
2 stops22h 25mMultiple Airlines
Sat 10/258:50 pmPDX - SIN
2 stops24h 15mMultiple Airlines
Deal found 9/15$970
This STARLUX Airlines deal was found by Cheapflights users on 9/15. 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 9/15$1,006
This Air Canada deal was found by Cheapflights users on 9/14. 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 10/308:50 amSIN - PDX
1 stop20h 55mAir Canada
Thu 11/63:15 pmPDX - SIN
1 stop23h 45mAir Canada
Deal found 9/14$1,018

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 September 17, 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 1/13

11:10 pm-6:48 pm

2 stops35h 38m

Portland

Mon 5/11

7:30 pm-9:30 pm

2 stops35h 00m

$973

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Fri 11/14

2:45 pm-6:49 pm

2 stops20h 04m

Portland

Tue 11/18

3:30 pm-1:25 pm

2 stops29h 55m

$1,009

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 1/15

2:45 pm-8:43 pm

2 stops21h 58m

Portland

Sat 5/9

9:45 pm-12:40 pm

2 stops23h 55m

$1,013

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 1/15

2:45 pm-10:26 pm

2 stops23h 41m

Portland

Sun 5/10

8:45 pm-12:40 pm

2 stops24h 55m

$1,013

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Fri 1/16

2:45 pm-10:26 pm

2 stops23h 41m

Portland

Thu 4/2

9:45 pm-12:40 pm

2 stops23h 55m

$1,013

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 1/15

2:45 pm-10:26 pm

2 stops23h 41m

Portland

Mon 5/11

7:45 pm-12:40 pm

2 stops25h 55m

$1,013

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Fri 1/16

2:45 pm-8:43 pm

2 stops21h 58m

Portland

Fri 4/3

8:45 pm-12:40 pm

2 stops24h 55m

$1,013

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Wed 1/14

2:45 pm-8:43 pm

2 stops21h 58m

Portland

Wed 4/8

9:45 pm-12:40 pm

2 stops23h 55m

$1,033

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Tue 1/13

2:45 pm-6:53 pm

2 stops20h 08m

Portland

Thu 5/21

8:45 pm-12:40 pm

2 stops24h 55m

$1,033

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 1/15

2:45 pm-10:26 pm

2 stops23h 41m

Portland

Tue 5/26

9:45 pm-12:40 pm

2 stops23h 55m

$1,033

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 20 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 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, November is the cheapest month in which you can book a flight from Singapore to Portland (average of $277). Flying from Singapore to Portland in March is currently the most expensive (average of $368). 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.

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 20h 04m. Fly via Asiana Airlines or STARLUX Airlines 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, November is the cheapest month in which you can book a flight from Singapore to Portland (average of $277). Flying from Singapore to Portland in March is currently the most expensive (average of $368). 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
Beaverton
Clackamas
McMinnville
Lake Oswego
Hillsboro
Cannon Beach
Long Beach
Longview
Lincoln City
Tigard
Depoe Bay
Stevenson
Wilsonville
Pacific City
Tillamook
Troutdale
Gresham
Silverton

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