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Cheap flights from Singapore to Portland from $576

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 11/20. 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 pm
SIN
-
PDX
25h 51m
1 stop
Air Canada Logo
7:10 pm - 11:15 am
PDX
-
SIN
24h 05m
2 stops
$919Air Canada
Sun, Jan 17 - Mon, Feb 1
Multiple Airlines Logo
8:50 pm - 9:31 am
SIN
-
PDX
27h 41m
2 stops
Multiple Airlines Logo
7:45 pm - 3:40 pm
PDX
-
SIN
28h 55m
2 stops
$951Multiple Airlines
Thu, Aug 27 - Thu, Sep 17
Delta Logo
1:35 am - 4:34 pm
SIN
-
PDX
30h 59m
2 stops
Delta Logo
7:10 am - 5:00 am
PDX
-
SIN
29h 50m
2 stops
$983Delta
Sat, Jan 16 - Mon, Feb 1
Air Canada Logo
8:40 am - 8:46 pm
SIN
-
PDX
28h 06m
1 stop
Air Canada Logo
7:00 am - 7:00 am
PDX
-
SIN
32h 00m
1 stop
$989Air Canada
Sat, Jan 16 - Sun, Jan 31
Delta Logo
7:30 am - 8:36 am
SIN
-
PDX
40h 06m
2 stops
Delta Logo
5:30 am - 5:00 am
PDX
-
SIN
32h 30m
2 stops
$996Delta
Fri, Aug 21 - Fri, Aug 28
Air Canada Logo
8:40 am - 6:31 pm
SIN
-
PDX
25h 51m
1 stop
Air Canada Logo
10:00 am - 12:55 am
PDX
-
SIN
22h 55m
2 stops
$1,008Air Canada
Sat, Jan 16 - Sun, Jan 31
Japan Airlines Logo
1:55 am - 10:06 pm
SIN
-
PDX
35h 11m
2 stops
Japan Airlines Logo
6:30 am - 6:10 am
PDX
-
SIN
32h 40m
2 stops
$1,057Japan Airlines
Wed, Sep 9 - Sat, Sep 12
Air Canada Logo
8:40 am - 6:31 pm
SIN
-
PDX
25h 51m
2 stops
Air Canada Logo
7:00 am - 12:55 am
PDX
-
SIN
25h 55m
2 stops
$1,100Air Canada
Sat, Jan 16 - Sun, Jan 31
Multiple Airlines Logo
1:45 am - 9:31 am
SIN
-
PDX
22h 46m
2 stops
Multiple Airlines Logo
7:45 pm - 5:15 am
PDX
-
SIN
18h 30m
1 stop
$1,142Multiple Airlines
Thu, Aug 20 - Fri, Aug 28
Air Canada Logo
7:00 am - 2:46 pm
SIN
-
PDX
22h 46m
1 stop
Air Canada Logo
3:30 pm - 12:45 am
PDX
-
SIN
42h 15m
2 stops
$1,162Air Canada
Thu, Sep 10 - Sat, Sep 12

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United Airlines flights from Singapore to Portland

Our best United Airlines deals on Singapore to Portland flight tickets
United Airlines
Sep 10
SIN8:35 pmSingapore Changi
19h 02m
1 stop
PDX12:37 amPortland
Sep 12
PDX7:00 amPortland
20h 35m
1 stop
SIN6:35 pmSingapore Changi
$1,433
United Airlines
Sep 10
SIN8:35 pmSingapore Changi
19h 02m
1 stop
PDX12:37 amPortland
Sep 12
PDX7:00 amPortland
20h 35m
1 stop
SIN6:35 pmSingapore Changi
$1,434
United Airlines
Aug 27
SIN8:45 amSingapore Changi
24h 34m
1 stop
PDX6:19 pmPortland
Sep 17
PDX9:00 amPortland
30h 15m
1 stop
SIN6:15 amSingapore Changi
$1,474

Delta flights from Singapore to Portland

Our best Delta deals on Singapore to Portland flight tickets
Delta
Jan 16
SIN1:35 amSingapore Changi
30h 59m
2 stops
PDX4:34 pmPortland
Feb 1
PDX7:10 amPortland
29h 50m
2 stops
SIN5:00 amSingapore Changi
$983
Delta
Aug 21
SIN7:30 amSingapore Changi
40h 06m
2 stops
PDX8:36 amPortland
Aug 28
PDX5:30 amPortland
32h 30m
2 stops
SIN5:00 amSingapore Changi
$996
Delta
Aug 10
SIN1:25 amSingapore Changi
33h 19m
2 stops
PDX7:44 pmPortland
Aug 17
PDX9:29 amPortland
23h 26m
2 stops
SIN11:55 pmSingapore Changi
$1,171

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 21, 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 1/17

8:40 am-6:31 pm

1 stop25h 51m

Portland

Mon 2/1

7:10 pm-11:15 am

2 stops24h 05m

$919

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 8/27

8:50 pm-9:31 am

2 stops27h 41m

Portland

Thu 9/17

7:45 pm-3:40 pm

2 stops28h 55m

$951

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Sat 1/16

1:35 am-4:34 pm

2 stops30h 59m

Portland

Mon 2/1

7:10 am-5:00 am

2 stops29h 50m

$983

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Sat 1/16

8:40 am-8:46 pm

1 stop28h 06m

Portland

Sun 1/31

7:00 am-7:00 am

1 stop32h 00m

$989

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Fri 8/21

7:30 am-8:36 am

2 stops40h 06m

Portland

Fri 8/28

5:30 am-5:00 am

2 stops32h 30m

$996

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Sat 1/16

8:40 am-6:31 pm

1 stop25h 51m

Portland

Sun 1/31

10:00 am-12:55 am

2 stops22h 55m

$1,008

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Wed 9/9

1:55 am-10:06 pm

2 stops35h 11m

Portland

Sat 9/12

6:30 am-6:10 am

2 stops32h 40m

$1,057

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Sat 1/16

8:40 am-6:31 pm

2 stops25h 51m

Portland

Sun 1/31

7:00 am-12:55 am

2 stops25h 55m

$1,100
Quickest round-trip

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 8/20

1:45 am-9:31 am

2 stops22h 46m

Portland

Fri 8/28

7:45 pm-5:15 am

1 stop18h 30m

$1,142

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 9/10

7:00 am-2:46 pm

1 stop22h 46m

Portland

Sat 9/12

3:30 pm-12:45 am

2 stops42h 15m

$1,162

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

27h 41m

Direct flights

None
The fastest flight from Singapore to Portland takes 27h 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 27h 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
Depoe Bay
Tigard
Hood River
Longview
Newberg
Clackamas
Troutdale
Gresham
Kelso
McMinnville

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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