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Cheap flights from Singapore to Portland from $479

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Singapore to Portland departing on 11/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

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Multiple Airlines Logo
2:10 pm - 12:03 amSIN-PDX
25h 53m2 stops
Multiple Airlines Logo
7:00 am - 9:35 amPDX-SIN
34h 35m2 stops
$761Multiple Airlines
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Thu, Feb 12 - Fri, Feb 27
Air Canada Logo
8:50 am - 9:15 amSIN-PDX
16h 25m1 stop
Air Canada Logo
3:15 pm - 7:00 amPDX-SIN
23h 45m1 stop
$839Air Canada
Find Deal
Thu, Feb 12 - Fri, Feb 27
Multiple Airlines Logo
8:50 am - 6:30 pmSIN-PDX
25h 40m1 stop
Multiple Airlines Logo
9:50 am - 5:40 amPDX-SIN
27h 50m2 stops
$851Multiple Airlines
Find Deal
Thu, Feb 12 - Fri, Feb 27
Asiana Airlines Logo
11:10 pm - 6:48 pmSIN-PDX
35h 38m2 stops
Asiana Airlines Logo
7:30 pm - 9:30 pmPDX-SIN
35h 00m2 stops
$875Asiana Airlines
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Tue, Jan 13 - Tue, Apr 7
Asiana Airlines Logo
11:10 pm - 6:48 pmSIN-PDX
35h 38m2 stops
Asiana Airlines Logo
7:30 pm - 9:30 pmPDX-SIN
35h 00m2 stops
$877Asiana Airlines
Find Deal
Tue, Jan 13 - Thu, Apr 2
Asiana Airlines Logo
11:10 pm - 2:46 pmSIN-PDX
55h 36m2 stops
Asiana Airlines Logo
7:30 pm - 9:30 pmPDX-SIN
35h 00m2 stops
$914Asiana Airlines
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Sun, Jan 18 - Tue, Apr 7
China Airlines Logo
2:00 am - 1:33 pmSIN-PDX
51h 33m2 stops
China Airlines Logo
1:45 pm - 12:35 pmPDX-SIN
31h 50m2 stops
$947China Airlines
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Wed, Jan 14 - Thu, Apr 9
China Airlines Logo
2:00 am - 1:33 pmSIN-PDX
51h 33m2 stops
China Airlines Logo
1:45 pm - 12:35 pmPDX-SIN
31h 50m2 stops
$975China Airlines
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Wed, Jan 14 - Thu, Apr 9
STARLUX Airlines Logo
2:45 pm - 8:37 pmSIN-PDX
21h 52m2 stops
STARLUX Airlines Logo
5:30 pm - 1:25 pmPDX-SIN
27h 55m2 stops
$1,004STARLUX Airlines
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Fri, Nov 14 - Tue, Nov 18
STARLUX Airlines Logo
2:45 pm - 8:37 pmSIN-PDX
21h 52m2 stops
STARLUX Airlines Logo
5:30 pm - 1:25 pmPDX-SIN
27h 55m2 stops
$1,006STARLUX Airlines
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Fri, Nov 14 - Tue, Nov 18

Air Canada flights from Singapore to Portland

Our best Air Canada deals on Singapore to Portland flight tickets
Air Canada
Feb 12
SIN8:50 amSingapore Changi
16h 25m
1 stop
PDX9:15 amPortland
Feb 27
PDX3:15 pmPortland
23h 45m
1 stop
SIN7:00 amSingapore Changi
$839
Find similar
Air Canada
Nov 28
SIN8:50 amSingapore Changi
25h 40m
1 stop
PDX6:30 pmPortland
Dec 5
PDX7:00 pmPortland
20h 00m
1 stop
SIN7:00 amSingapore Changi
$925
Find similar
Air Canada
Jan 18
SIN10:20 pmSingapore Changi
36h 10m
2 stops
PDX6:30 pmPortland
Apr 9
PDX3:15 pmPortland
24h 50m
1 stop
SIN7:05 amSingapore Changi
$1,062
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STARLUX Airlines flights from Singapore to Portland

Our best STARLUX Airlines deals on Singapore to Portland flight tickets
STARLUX Airlines
Nov 14
SIN2:45 pmSingapore Changi
21h 52m
2 stops
PDX8:37 pmPortland
Nov 18
PDX5:30 pmPortland
27h 55m
2 stops
SIN1:25 pmSingapore Changi
$1,004
Find similar
STARLUX Airlines
Nov 14
SIN2:45 pmSingapore Changi
21h 52m
2 stops
PDX8:37 pmPortland
Nov 18
PDX5:30 pmPortland
27h 55m
2 stops
SIN1:25 pmSingapore Changi
$1,006
Find similar
STARLUX Airlines
Jan 17
SIN2:45 pmSingapore Changi
22h 02m
2 stops
PDX8:47 pmPortland
Apr 6
PDX5:30 pmPortland
28h 10m
2 stops
SIN12:40 pmSingapore Changi
$1,039
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momondo 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, momondo users made 832,500 searches. Data last updated October 14, 2025.
Use the filters below to find and compare flights from Singapore to Portland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 2/12

2:10 pm-12:03 am

2 stops25h 53m

Portland

Fri 2/27

7:00 am-9:35 am

2 stops34h 35m

$761

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 2/12

8:50 am-9:15 am

1 stop16h 25m

Portland

Fri 2/27

3:15 pm-7:00 am

1 stop23h 45m

$839

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 2/12

8:50 am-6:30 pm

1 stop25h 40m

Portland

Fri 2/27

9:50 am-5:40 am

2 stops27h 50m

$851

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Tue 1/13

11:10 pm-6:48 pm

2 stops35h 38m

Portland

Tue 4/7

7:30 pm-9:30 pm

2 stops35h 00m

$875

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Tue 1/13

11:10 pm-6:48 pm

2 stops35h 38m

Portland

Thu 4/2

7:30 pm-9:30 pm

2 stops35h 00m

$877

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Sun 1/18

11:10 pm-2:46 pm

2 stops55h 36m

Portland

Tue 4/7

7:30 pm-9:30 pm

2 stops35h 00m

$914

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Wed 1/14

2:00 am-1:33 pm

2 stops51h 33m

Portland

Thu 4/9

1:45 pm-12:35 pm

2 stops31h 50m

$947

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Wed 1/14

2:00 am-1:33 pm

2 stops51h 33m

Portland

Thu 4/9

1:45 pm-12:35 pm

2 stops31h 50m

$975

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

$1,004

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

$1,006

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Portland from

How to get the cheapest flight ticket from Singapore to Portland

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Singapore and Portland?

What is the cheapest month to fly to Portland?

The cheapest month to fly to Portland from Singapore is in February. Flight prices, which tend to average around $965, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in February, then you should wait until August to fly from Singapore, when ticket prices are also cheap, with an average price of $1,026.

What is the cheapest day to depart on your flight to Portland?

The cheapest day to depart on your flight to Portland is on a Wednesday when prices can be found for as low as $1,013. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Portland is Sunday, with ticket prices averaging around $1,415.

What is the cheapest time of day to depart on your flight to Portland?

The cheapest time of day to fly to Portland is in the evening when flights can be purchased for as low as $1,016. In the morning is when there is more demand to fly to Portland, so prices are often more expensive at around $1,277 per ticket.

Can stopping save me money on Singapore to Portland flights?

You could potentially save up to 44% on your flight if you consider stops on a Singapore to Portland flight.

How have Singapore to Portland flight prices changed over time?

When to book flights from Singapore to Portland

Are you open to changing your travel dates? Check out the ideal times to fly from Singapore to Portland according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Singapore to Portland (SIN to PDX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Singapore to Portland

Direct flights

None
There are no direct flights from Singapore to Portland. There are no popular flight routes from Singapore to Portland.
Search flight deals

  • How far is Singapore Changi to Portland by plane?

    A flight from Singapore Changi to Portland will travel around 8130.5 mi. In terms of flight time, this usually takes a little over 16h 25m.

  • When did momondo last update prices for flights from Singapore Changi Airport to Portland Airport?

    Prices for flights from Singapore Changi Airport to Portland Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Singapore Changi Airport to Portland Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Singapore Changi Airport to Portland Airport.

  • What documentation or ID do you need to fly to Portland Airport?

    The necessary travel and health documents for your Portland Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Lincoln City
Seaside
Cannon Beach
Vancouver
Salem
Astoria
Long Beach
Depoe Bay
Rockaway Beach
Beaverton
Hillsboro
Hood River
Gresham
McMinnville
Longview
The Dalles
Pacific City
Tigard
Manzanita
Tillamook

Why use momondo?

Why should I use momondo to find a flight deal from Singapore to Portland?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Singapore to Portland for you.

Can I find flights from Singapore to Portland with flexible booking policies on momondo?

All flight searches from Singapore to Portland on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Singapore to Portland?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Portland from Singapore.

I’m not ready to book a flight from Singapore to Portland right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Portland, momondo offers a useful price alert feature which will track prices for flights to Portland from Singapore and alert you when they change.

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