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Cheap flights from Singapore to Portland from $564

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 8/23. 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
8:40 am - 6:31 pmSIN  Singapore Changi-PDX Portland
25h 51m1 stop Vancouver Intl
Air Canada Logo
7:10 pm - 7:00 amPDX  Portland-SIN Singapore Changi
19h 50m1 stop Vancouver Intl
$923Air Canada
Thu, Feb 4 - Fri, Feb 19
Air Canada Logo
7:00 am - 9:31 amSIN  Singapore Changi-PDX Portland
17h 31m1 stop Vancouver Intl
Air Canada Logo
10:10 am - 5:15 amPDX  Portland-SIN Singapore Changi
28h 05m1 stop Vancouver Intl
$923Air Canada
Sun, Sep 20 - Fri, Sep 25
Air Canada Logo
8:40 am - 8:46 pmSIN  Singapore Changi-PDX Portland
28h 06m1 stop Vancouver Intl
Air Canada Logo
3:15 pm - 11:15 amPDX  Portland-SIN Singapore Changi
28h 00m2 stops Vancouver Intl Bangkok Suvarnabhumi
$930Air Canada
Thu, Feb 4 - Fri, Feb 19
Air Canada Logo
8:30 am - 6:31 pmSIN  Singapore Changi-PDX Portland
26h 01m2 stops Incheon Intl Vancouver Intl
Air Canada Logo
3:15 pm - 11:15 amPDX  Portland-SIN Singapore Changi
28h 00m2 stops Vancouver Intl Bangkok Suvarnabhumi
$931Air Canada
Wed, Feb 3 - Thu, Feb 18
Air Canada Logo
8:50 pm - 9:31 amSIN  Singapore Changi-PDX Portland
27h 41m2 stops Bangkok Suvarnabhumi Vancouver Intl
Air Canada Logo
3:30 pm - 5:15 amPDX  Portland-SIN Singapore Changi
22h 45m1 stop Vancouver Intl
$933Air Canada
Sun, Sep 20 - Fri, Sep 25
Air Canada Logo
8:30 am - 2:41 pmSIN  Singapore Changi-PDX Portland
22h 11m2 stops Incheon Intl Vancouver Intl
Air Canada Logo
3:15 pm - 7:00 amPDX  Portland-SIN Singapore Changi
23h 45m1 stop Vancouver Intl
$936Air Canada
Wed, Feb 3 - Thu, Feb 18
Air Canada Logo
7:00 am - 9:31 amSIN  Singapore Changi-PDX Portland
17h 31m1 stop Vancouver Intl
Air Canada Logo
10:10 am - 5:15 amPDX  Portland-SIN Singapore Changi
28h 05m1 stop Vancouver Intl
$970Air Canada
Sun, Sep 20 - Fri, Sep 25
Air Canada Logo
8:40 am - 8:46 pmSIN  Singapore Changi-PDX Portland
28h 06m1 stop Vancouver Intl
Air Canada Logo
7:00 am - 7:00 amPDX  Portland-SIN Singapore Changi
32h 00m1 stop Vancouver Intl
$971Air Canada
Fri, Nov 6 - Tue, Nov 10
Air Canada Logo
8:40 am - 9:26 amSIN  Singapore Changi-PDX Portland
16h 46m1 stop Vancouver Intl
Air Canada Logo
5:35 am - 7:00 amPDX  Portland-SIN Singapore Changi
33h 25m2 stops San Francisco Vancouver Intl
$971Air Canada
Fri, Nov 6 - Tue, Nov 10

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Air Canada flights from Singapore to Portland

Our best Air Canada deals on Singapore to Portland flight tickets
Air Canada
Feb 4
SIN8:40 amSingapore Changi
25h 51m
1 stop
PDX6:31 pmPortland
Feb 19
PDX7:10 pmPortland
19h 50m
1 stop
SIN7:00 amSingapore Changi
$923
Air Canada
Feb 5
SIN8:40 amSingapore Changi
22h 01m
1 stop
PDX2:41 pmPortland
Feb 20
PDX7:10 pmPortland
24h 05m
2 stops
SIN11:15 amSingapore Changi
$926
Air Canada
Feb 4
SIN8:40 amSingapore Changi
28h 06m
1 stop
PDX8:46 pmPortland
Feb 19
PDX3:15 pmPortland
28h 00m
2 stops
SIN11:15 amSingapore Changi
$930

United Airlines flights from Singapore to Portland

Our best United Airlines deals on Singapore to Portland flight tickets
United Airlines
Sep 14
SIN8:45 amSingapore Changi
27h 20m
2 stops
PDX9:05 pmPortland
Sep 16
PDX5:30 amPortland
22h 05m
1 stop
SIN6:35 pmSingapore Changi
$1,399
United Airlines
Sep 14
SIN8:45 amSingapore Changi
27h 20m
2 stops
PDX9:05 pmPortland
Sep 16
PDX5:30 amPortland
22h 05m
1 stop
SIN6:35 pmSingapore Changi
$1,401
United Airlines
Aug 14
SIN8:35 pmSingapore Changi
28h 36m
1 stop
PDX10:11 amPortland
Sep 8
PDX1:03 pmPortland
26h 12m
1 stop
SIN6:15 amSingapore Changi
$1,609

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 August 9, 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 Singapore Changi - PDX Portland

SINPDX

Singapore Changi

Thu 2/4

8:40 am-6:31 pm

1 stop25h 51m

Portland

Fri 2/19

7:10 pm-7:00 am

1 stop19h 50m

$923
Quickest round-trip

SingaporePortland

SIN Singapore Changi - PDX Portland

SINPDX

Singapore Changi

Sun 9/20

7:00 am-9:31 am

1 stop17h 31m

Portland

Fri 9/25

10:10 am-5:15 am

1 stop28h 05m

$923

SingaporePortland

SIN Singapore Changi - PDX Portland

SINPDX

Singapore Changi

Thu 2/4

8:40 am-8:46 pm

1 stop28h 06m

Portland

Fri 2/19

3:15 pm-11:15 am

2 stops28h 00m

$930

SingaporePortland

SIN Singapore Changi - PDX Portland

SINPDX

Singapore Changi

Wed 2/3

8:30 am-6:31 pm

2 stops26h 01m

Portland

Thu 2/18

3:15 pm-11:15 am

2 stops28h 00m

$931

SingaporePortland

SIN Singapore Changi - PDX Portland

SINPDX

Singapore Changi

Sun 9/20

8:50 pm-9:31 am

2 stops27h 41m

Portland

Fri 9/25

3:30 pm-5:15 am

1 stop22h 45m

$933

SingaporePortland

SIN Singapore Changi - PDX Portland

SINPDX

Singapore Changi

Wed 2/3

8:30 am-2:41 pm

2 stops22h 11m

Portland

Thu 2/18

3:15 pm-7:00 am

1 stop23h 45m

$936

SingaporePortland

SIN Singapore Changi - PDX Portland

SINPDX

Singapore Changi

Sun 9/20

7:00 am-9:31 am

1 stop17h 31m

Portland

Fri 9/25

10:10 am-5:15 am

1 stop28h 05m

$970

SingaporePortland

SIN Singapore Changi - PDX Portland

SINPDX

Singapore Changi

Fri 11/6

8:40 am-8:46 pm

1 stop28h 06m

Portland

Tue 11/10

7:00 am-7:00 am

1 stop32h 00m

$971

SingaporePortland

SIN Singapore Changi - PDX Portland

SINPDX

Singapore Changi

Fri 11/6

8:40 am-9:26 am

1 stop16h 46m

Portland

Tue 11/10

5:35 am-7:00 am

2 stops33h 25m

$971
Cheapest one-way

SingaporePortland

SIN Singapore Changi - PDX Portland

SINPDX

Singapore Changi

Sun 8/23

7:00 am-9:31 am

1 stop17h 31m

$564

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 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 28% 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

21h 41m

Direct flights

None
The fastest flight from Singapore to Portland takes 21h 41m
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 21h 41m.

  • 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
Vancouver
Cannon Beach
Salem
Astoria
Long Beach
Beaverton
Rockaway Beach
Hillsboro
Tigard
Depoe Bay
Longview
Hood River
Newberg
Clackamas
Troutdale
Gresham
Kelso
Wilsonville

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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