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Cheap flights from Singapore to Portland from $483

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 12/1. 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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Find the cheapest flights from Singapore to Portland

Cheap round-trip flights

Logo
9:10 am - 6:33 pmSIN-PDX
24h 23m2 stops
Logo
7:38 pm - 7:00 amPDX-SIN
44h 22m2 stops
$816
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Sat, Oct 25 - Sat, Nov 1
Air Canada Logo
9:10 am - 2:46 pmSIN-PDX
20h 36m1 stop
Air Canada Logo
3:25 pm - 7:05 amPDX-SIN
24h 40m1 stop
$879Air Canada
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Thu, Oct 9 - Thu, Oct 16
Logo
9:00 am - 11:01 pmSIN-PDX
29h 01m2 stops
Logo
9:50 am - 7:00 amPDX-SIN
30h 10m1 stop
$919
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Fri, Oct 24 - Fri, Oct 31
Air Canada Logo
9:10 am - 12:28 amSIN-PDX
30h 18m2 stops
Air Canada Logo
10:05 am - 7:05 amPDX-SIN
30h 00m2 stops
$925Air Canada
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Thu, Oct 9 - Thu, Oct 16
Air Canada Logo
6:15 am - 11:01 pmSIN-PDX
31h 46m2 stops
Air Canada Logo
7:35 pm - 7:05 amPDX-SIN
44h 30m2 stops
$931Air Canada
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Wed, Oct 8 - Wed, Oct 15
Air Canada Logo
6:15 am - 2:46 pmSIN-PDX
23h 31m2 stops
Air Canada Logo
7:40 pm - 7:05 amPDX-SIN
20h 25m1 stop
$941Air Canada
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Wed, Sep 24 - Sun, Oct 19
EVA Air Logo
3:10 pm - 4:54 pmSIN-PDX
64h 44m2 stops
EVA Air Logo
10:00 pm - 12:00 pmPDX-SIN
23h 00m2 stops
$973EVA Air
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Thu, Oct 9 - Thu, Oct 16
China Airlines Logo
2:00 am - 9:47 amSIN-PDX
46h 47m2 stops
China Airlines Logo
5:55 pm - 12:35 pmPDX-SIN
27h 40m2 stops
$991China Airlines
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Tue, Oct 7 - Wed, Oct 15
STARLUX Airlines Logo
2:00 pm - 9:25 pmSIN-PDX
22h 25m2 stops
STARLUX Airlines Logo
8:50 pm - 12:40 pmPDX-SIN
24h 50m2 stops
$1,005STARLUX Airlines
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Wed, Sep 24 - Sun, Oct 19
American Airlines Logo
1:55 am - 2:04 pmSIN-PDX
27h 09m2 stops
American Airlines Logo
5:34 am - 6:10 amPDX-SIN
33h 36m2 stops
$1,165American Airlines
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Sun, Oct 5 - Mon, Oct 13

Air Canada flights from Singapore to Portland

Our best Air Canada deals on Singapore to Portland flight tickets
Air Canada
Oct 9
SIN9:10 amSingapore Changi
20h 36m
1 stop
PDX2:46 pmPortland
Oct 16
PDX3:25 pmPortland
24h 40m
1 stop
SIN7:05 amSingapore Changi
$879
Find similar
Air Canada
Oct 9
SIN9:10 amSingapore Changi
30h 18m
2 stops
PDX12:28 amPortland
Oct 16
PDX10:05 amPortland
30h 00m
2 stops
SIN7:05 amSingapore Changi
$925
Find similar
Air Canada
Oct 8
SIN6:15 amSingapore Changi
31h 46m
2 stops
PDX11:01 pmPortland
Oct 15
PDX7:35 pmPortland
44h 30m
2 stops
SIN7:05 amSingapore Changi
$931
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Cathay Pacific flights from Singapore to Portland

Our best Cathay Pacific deals on Singapore to Portland flight tickets
Cathay Pacific
Nov 14
SIN10:00 amSingapore Changi
26h 50m
2 stops
PDX8:50 pmPortland
Nov 18
PDX5:55 pmPortland
27h 10m
2 stops
SIN1:05 pmSingapore Changi
$1,188
Find similar
Cathay Pacific
Nov 14
SIN10:00 amSingapore Changi
26h 50m
2 stops
PDX8:50 pmPortland
Nov 18
PDX5:55 pmPortland
27h 10m
2 stops
SIN1:05 pmSingapore Changi
$1,189
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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 September 11, 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

Sat 10/25

9:10 am-6:33 pm

2 stops24h 23m

Portland

Sat 11/1

7:38 pm-7:00 am

2 stops44h 22m

$816

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 10/9

9:10 am-2:46 pm

1 stop20h 36m

Portland

Thu 10/16

3:25 pm-7:05 am

1 stop24h 40m

$879

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Fri 10/24

9:00 am-11:01 pm

2 stops29h 01m

Portland

Fri 10/31

9:50 am-7:00 am

1 stop30h 10m

$919

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 10/9

9:10 am-12:28 am

2 stops30h 18m

Portland

Thu 10/16

10:05 am-7:05 am

2 stops30h 00m

$925

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Wed 10/8

6:15 am-11:01 pm

2 stops31h 46m

Portland

Wed 10/15

7:35 pm-7:05 am

2 stops44h 30m

$931

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Wed 9/24

6:15 am-2:46 pm

2 stops23h 31m

Portland

Sun 10/19

7:40 pm-7:05 am

1 stop20h 25m

$941

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 10/9

3:10 pm-4:54 pm

2 stops64h 44m

Portland

Thu 10/16

10:00 pm-12:00 pm

2 stops23h 00m

$973

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Tue 10/7

2:00 am-9:47 am

2 stops46h 47m

Portland

Wed 10/15

5:55 pm-12:35 pm

2 stops27h 40m

$991

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Wed 9/24

2:00 pm-9:25 pm

2 stops22h 25m

Portland

Sun 10/19

8:50 pm-12:40 pm

2 stops24h 50m

$1,005

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Sun 10/5

1:55 am-2:04 pm

2 stops27h 09m

Portland

Mon 10/13

5:34 am-6:10 am

2 stops33h 36m

$1,165

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 cheapest month to fly to Portland?

The cheapest month to fly to Portland from Singapore is in September. Flight prices, which tend to average around $1,013, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in September, 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 18% on your flight if you consider stops on a Singapore to Portland flight.

How have Singapore to Portland flight prices changed over time?

As of September 2025, prices for Singapore to Portland flights are approximately 7% more expensive when compared to flights at the same time last year.

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 18h 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
Tigard
The Dalles
Pacific City
Tillamook
Manzanita

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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