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$502+ Cheap flights from Singapore 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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — PDX
nov. 29 — dic. 61
sáb. 11/29
sáb. 12/6
1 adult, Economy
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Cheap flight deals from Singapore to Portland

Keep the following information in mind while searching for Singapore to Portland flight deals. Data was last updated octubre 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$805
(Air Canada)

One-way from

$502
(Mytrip)

Popular in

April

Cheapest in

February

Average price

$1,439
Provider with most accurate pricing for Singapore Changi-Portland flight deals.
Search Deals
Provider most trusted by Cheapflights users for Singapore Changi-Portland flights.
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From Singapore to Portland
Search Deals
One-way flight from Singapore 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).
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Average for round-trip flights in October 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 octubre 30, 2025.

This STARLUX Airlines deal was found by Cheapflights users on 10/27. 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.
vie. 11/142:45 pmSIN - PDX
2 stops21h 52mSTARLUX Airlines
mar. 11/185:30 pmPDX - SIN
2 stops27h 55mSTARLUX Airlines
Deal found 10/27$1,074
This Cathay Pacific deal was found by Cheapflights users on 10/27. 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.
jue. 11/131:25 amSIN - PDX
2 stops37h 09mCathay Pacific
mar. 11/182:50 pmPDX - SIN
2 stops29h 05mCathay Pacific
Deal found 10/27$1,201
This United Airlines deal was found by Cheapflights users on 10/27. 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.
vie. 11/1410:10 amSIN - PDX
1 stop24h 26mUnited Airlines
mar. 11/1812:55 pmPDX - SIN
2 stops27h 05mUnited Airlines
Deal found 10/27$1,321
This United Airlines deal was found by Cheapflights users on 10/28. 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.
mié. 11/1210:10 amSIN - PDX
2 stops28h 46mUnited Airlines
sáb. 11/158:30 amPDX - SIN
2 stops43h 45mUnited Airlines
Deal found 10/28$1,324
This Gurufare deal was found by Cheapflights users on 10/28. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/121:15 pmSIN - PDX
2 stops23h 35mMultiple Airlines
vie. 12/194:26 pmPDX - SIN
2 stops27h 39mMultiple Airlines
Deal found 10/28$1,777

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 octubre 30, 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

vie. 3/27

8:50 am-6:30 pm

1 stop24h 40m

Portland

sáb. 3/28

7:00 pm-2:30 pm

2 stops28h 30m

$805

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

sáb. 3/28

8:50 am-2:40 pm

1 stop20h 50m

Portland

sáb. 3/28

7:00 pm-2:30 pm

2 stops28h 30m

$957

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

vie. 3/27

1:15 pm-10:57 pm

2 stops24h 42m

Portland

sáb. 3/28

7:45 pm-12:00 pm

2 stops25h 15m

$1,069

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

vie. 11/14

2:45 pm-8:37 pm

2 stops21h 52m

Portland

mar. 11/18

5:30 pm-1:25 pm

2 stops27h 55m

$1,074

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

mié. 1/14

9:00 pm-2:40 pm

2 stops33h 40m

Portland

dom. 4/5

3:15 pm-7:05 am

1 stop24h 50m

$1,148

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

mar. 1/13

1:35 am-12:44 pm

2 stops27h 09m

Portland

dom. 4/5

9:40 am-11:40 pm

2 stops23h 00m

$1,199

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

jue. 11/13

1:25 am-10:34 pm

2 stops37h 09m

Portland

mar. 11/18

2:50 pm-11:55 am

2 stops29h 05m

$1,201

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

vie. 11/14

10:10 am-6:36 pm

1 stop24h 26m

Portland

mar. 11/18

12:55 pm-8:00 am

2 stops27h 05m

$1,321

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

lun. 12/1

7:40 am-9:15 am

3 stops41h 35m

$502

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

lun. 12/1

10:10 am-12:26 am

1 stop30h 16m

$1,088

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 13 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, 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.

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.

  • What airport do you fly into for flights to Portland from Singapore?

    Portland (PDX), located 6.0 mi from the city center, is the airport you fly into when you book flights from Singapore to Portland.

  • 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 Air Canada 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, 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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