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Cheap flights from Singapore to Portland from $589

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 1/22. 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 - 2:41 pm
SIN
-
PDX
22h 01m
1 stop
Air Canada Logo
7:10 pm - 7:00 am
PDX
-
SIN
19h 50m
1 stop
$917Air Canada
Thu, Jan 28 - Fri, Feb 12
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
$922Air Canada
Sun, Sep 20 - Fri, Sep 25
Air Canada Logo
9:00 pm - 6:31 pm
SIN
-
PDX
37h 31m
2 stops
Air Canada Logo
3:15 pm - 7:00 am
PDX
-
SIN
23h 45m
1 stop
$927Air Canada
Thu, Jan 28 - Fri, Feb 12
Air Canada Logo
8:30 am - 8:46 pm
SIN
-
PDX
28h 16m
2 stops
Air Canada Logo
3:15 pm - 11:15 am
PDX
-
SIN
28h 00m
2 stops
$929Air Canada
Wed, Jan 27 - Thu, Feb 11
Air Canada Logo
8:50 pm - 9:31 am
SIN
-
PDX
27h 41m
2 stops
Air Canada Logo
3:30 pm - 5:15 am
PDX
-
SIN
22h 45m
1 stop
$932Air Canada
Sun, Sep 20 - Fri, Sep 25
Air Canada Logo
8:30 am - 2:41 pm
SIN
-
PDX
22h 11m
2 stops
Air Canada Logo
7:10 pm - 7:00 am
PDX
-
SIN
19h 50m
1 stop
$933Air Canada
Wed, Jan 27 - Thu, Feb 11
Air Canada Logo
7:00 am - 12:37 am
SIN
-
PDX
32h 37m
2 stops
Air Canada Logo
10:10 am - 12:30 am
PDX
-
SIN
23h 20m
1 stop
$953Air Canada
Thu, Sep 10 - Wed, Sep 23
Air Canada Logo
7:00 am - 12:37 am
SIN
-
PDX
32h 37m
2 stops
Air Canada Logo
10:10 am - 11:15 am
PDX
-
SIN
34h 05m
2 stops
$955Air Canada
Thu, Sep 10 - Wed, Sep 23
Air Canada Logo
7:00 am - 7:11 pm
SIN
-
PDX
27h 11m
1 stop
Air Canada Logo
10:10 am - 12:30 am
PDX
-
SIN
23h 20m
1 stop
$965Air Canada
Thu, Sep 10 - Wed, Sep 23
Air Canada Logo
8:50 pm - 7:11 pm
SIN
-
PDX
37h 21m
2 stops
Air Canada Logo
10:10 am - 2:30 pm
PDX
-
SIN
37h 20m
2 stops
$968Air Canada
Thu, Aug 27 - Mon, Aug 31

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Air Canada flights from Singapore to Portland

Our best Air Canada deals on Singapore to Portland flight tickets
Air Canada
Jan 28
SIN8:40 amSingapore Changi
22h 01m
1 stop
PDX2:41 pmPortland
Feb 12
PDX7:10 pmPortland
19h 50m
1 stop
SIN7:00 amSingapore Changi
$917
Air Canada
Jan 29
SIN8:40 amSingapore Changi
25h 51m
1 stop
PDX6:31 pmPortland
Feb 13
PDX7:10 pmPortland
24h 05m
2 stops
SIN11:15 amSingapore Changi
$920
Air Canada
Sep 20
SIN7:00 amSingapore Changi
17h 31m
1 stop
PDX9:31 amPortland
Sep 25
PDX3:30 pmPortland
22h 45m
1 stop
SIN5:15 amSingapore Changi
$922

Japan Airlines flights from Singapore to Portland

Our best Japan Airlines deals on Singapore to Portland flight tickets
Japan Airlines
Sep 7
SIN9:50 pmSingapore Changi
34h 00m
2 stops
PDX4:50 pmPortland
Sep 20
PDX7:03 amPortland
26h 17m
2 stops
SIN12:20 amSingapore Changi
$1,032
Japan Airlines
Sep 13
SIN1:55 amSingapore Changi
35h 11m
2 stops
PDX10:06 pmPortland
Sep 16
PDX7:03 amPortland
26h 17m
2 stops
SIN12:20 amSingapore Changi
$1,067
Japan Airlines
Aug 13
SIN1:55 amSingapore Changi
37h 04m
2 stops
PDX11:59 pmPortland
Sep 8
PDX6:35 amPortland
32h 35m
2 stops
SIN6:10 amSingapore Changi
$1,108

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 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

Thu 1/28

8:40 am-2:41 pm

1 stop22h 01m

Portland

Fri 2/12

7:10 pm-7:00 am

1 stop19h 50m

$917
Quickest round-trip

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Sun 9/20

7:00 am-9:31 am

1 stop17h 31m

Portland

Fri 9/25

3:30 pm-5:15 am

1 stop22h 45m

$922

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 1/28

9:00 pm-6:31 pm

2 stops37h 31m

Portland

Fri 2/12

3:15 pm-7:00 am

1 stop23h 45m

$927

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Wed 1/27

8:30 am-8:46 pm

2 stops28h 16m

Portland

Thu 2/11

3:15 pm-11:15 am

2 stops28h 00m

$929

SingaporePortland

SIN - PDX

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

$932

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Wed 1/27

8:30 am-2:41 pm

2 stops22h 11m

Portland

Thu 2/11

7:10 pm-7:00 am

1 stop19h 50m

$933

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 9/10

7:00 am-12:37 am

2 stops32h 37m

Portland

Wed 9/23

10:10 am-12:30 am

1 stop23h 20m

$953

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 9/10

7:00 am-12:37 am

2 stops32h 37m

Portland

Wed 9/23

10:10 am-11:15 am

2 stops34h 05m

$955

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 9/10

7:00 am-7:11 pm

1 stop27h 11m

Portland

Wed 9/23

10:10 am-12:30 am

1 stop23h 20m

$965

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 8/27

8:50 pm-7:11 pm

2 stops37h 21m

Portland

Mon 8/31

10:10 am-2:30 pm

2 stops37h 20m

$968

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 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

40h 13m

Direct flights

None
The fastest flight from Singapore to Portland takes 40h 13m
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 40h 13m.

  • 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
Depoe Bay
Tigard
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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