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Cheap flights from Singapore to Portland from $571

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 10/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Singapore to Portland

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
7:00 am - 7:11 pm
SIN
-
PDX
27h 11m
1 stop
Air Canada Logo
3:30 pm - 5:15 am
PDX
-
SIN
22h 45m
1 stop
$915Air Canada
Sun, Aug 16 - Sun, Aug 23
Air Canada Logo
8:30 am - 2:41 pm
SIN
-
PDX
22h 11m
2 stops
Air Canada Logo
3:15 pm - 7:00 am
PDX
-
SIN
23h 45m
1 stop
$933Air Canada
Tue, Dec 29 - Wed, Jan 13
Air Canada Logo
8:30 am - 2:41 pm
SIN
-
PDX
22h 11m
2 stops
Air Canada Logo
7:10 pm - 11:15 am
PDX
-
SIN
24h 05m
2 stops
$935Air Canada
Tue, Dec 29 - Wed, Jan 13
Air Canada Logo
7:00 am - 9:31 am
SIN
-
PDX
17h 31m
1 stop
Air Canada Logo
10:10 am - 12:45 am
PDX
-
SIN
23h 35m
2 stops
$941Air Canada
Sun, Aug 16 - Sun, Aug 23
Air Canada Logo
7:00 am - 9:31 am
SIN
-
PDX
17h 31m
1 stop
Air Canada Logo
7:45 pm - 5:15 am
PDX
-
SIN
18h 30m
1 stop
$963Air Canada
Sun, Oct 11 - Thu, Oct 15
Air Canada Logo
7:00 am - 9:31 am
SIN
-
PDX
17h 31m
1 stop
Air Canada Logo
3:30 pm - 5:15 am
PDX
-
SIN
22h 45m
1 stop
$964Air Canada
Sun, Oct 11 - Thu, Oct 15
Air Canada Logo
8:50 pm - 2:51 pm
SIN
-
PDX
33h 01m
2 stops
Air Canada Logo
7:45 pm - 5:15 am
PDX
-
SIN
18h 30m
1 stop
$965Air Canada
Sun, Oct 11 - Thu, Oct 15
Air Canada Logo
8:50 pm - 2:51 pm
SIN
-
PDX
33h 01m
2 stops
Air Canada Logo
7:45 pm - 5:15 am
PDX
-
SIN
18h 30m
1 stop
$966Air Canada
Sun, Oct 11 - Thu, Oct 15
Multiple Airlines Logo
8:30 am - 2:41 pm
SIN
-
PDX
22h 11m
2 stops
Multiple Airlines Logo
3:15 pm - 7:00 am
PDX
-
SIN
23h 45m
1 stop
$971Multiple Airlines
Mon, Dec 28 - Tue, Jan 12
Multiple Airlines Logo
8:30 am - 2:41 pm
SIN
-
PDX
22h 11m
2 stops
Multiple Airlines Logo
7:10 pm - 11:15 am
PDX
-
SIN
24h 05m
2 stops
$973Multiple Airlines
Mon, Dec 28 - Tue, Jan 12

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Japan Airlines flights from Singapore to Portland

Our best Japan Airlines deals on Singapore to Portland flight tickets
Japan Airlines
Aug 16
SIN1:55 amSingapore Changi
37h 04m
2 stops
PDX11:59 pmPortland
Aug 24
PDX6:35 amPortland
32h 35m
2 stops
SIN6:10 amSingapore Changi
$1,030
Japan Airlines
Aug 22
SIN8:05 amSingapore Changi
23h 48m
2 stops
PDX4:53 pmPortland
Aug 30
PDX7:03 amPortland
26h 17m
2 stops
SIN12:20 amSingapore Changi
$1,036

United Airlines flights from Singapore to Portland

Our best United Airlines deals on Singapore to Portland flight tickets
United Airlines
Dec 28
SIN10:10 amSingapore Changi
30h 44m
1 stop
PDX12:54 amPortland
Jan 12
PDX7:49 pmPortland
32h 26m
1 stop
SIN8:15 pmSingapore Changi
$1,389
United Airlines
Aug 17
SIN8:45 amSingapore Changi
24h 34m
1 stop
PDX6:19 pmPortland
Aug 24
PDX5:30 amPortland
33h 45m
1 stop
SIN6:15 amSingapore Changi
$1,471

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 July 2, 2026.
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

Cheapest round-trip

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Sun 8/16

7:00 am-7:11 pm

1 stop27h 11m

Portland

Sun 8/23

3:30 pm-5:15 am

1 stop22h 45m

$915

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Tue 12/29

8:30 am-2:41 pm

2 stops22h 11m

Portland

Wed 1/13

3:15 pm-7:00 am

1 stop23h 45m

$933

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Tue 12/29

8:30 am-2:41 pm

2 stops22h 11m

Portland

Wed 1/13

7:10 pm-11:15 am

2 stops24h 05m

$935

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Sun 8/16

7:00 am-9:31 am

1 stop17h 31m

Portland

Sun 8/23

10:10 am-12:45 am

2 stops23h 35m

$941
Quickest round-trip

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Sun 10/11

7:00 am-9:31 am

1 stop17h 31m

Portland

Thu 10/15

7:45 pm-5:15 am

1 stop18h 30m

$963

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Sun 10/11

7:00 am-9:31 am

1 stop17h 31m

Portland

Thu 10/15

3:30 pm-5:15 am

1 stop22h 45m

$964

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Sun 10/11

8:50 pm-2:51 pm

2 stops33h 01m

Portland

Thu 10/15

7:45 pm-5:15 am

1 stop18h 30m

$965

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Sun 10/11

8:50 pm-2:51 pm

2 stops33h 01m

Portland

Thu 10/15

7:45 pm-5:15 am

1 stop18h 30m

$966

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Mon 12/28

8:30 am-2:41 pm

2 stops22h 11m

Portland

Tue 1/12

3:15 pm-7:00 am

1 stop23h 45m

$971

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Mon 12/28

8:30 am-2:41 pm

2 stops22h 11m

Portland

Tue 1/12

7:10 pm-11:15 am

2 stops24h 05m

$973

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

Can stopping save me money on Singapore to Portland flights?

You could potentially save up to 29% on your flight if you consider stops on a Singapore to Portland flight.

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

Fastest flight time

22h 11m

Direct flights

None
The fastest flight from Singapore to Portland takes 22h 11m
There are no direct flights from Singapore to Portland. There are no popular flight routes from Singapore to Portland.
Search flight deals

Frequently asked questions about flying from Singapore to Portland

  • 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 22h 11m.

  • 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
Beaverton
Rockaway Beach
Hillsboro
Depoe Bay
Tigard
Hood River
Longview
Newberg
Clackamas
Troutdale
Gresham
McMinnville
The Dalles

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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