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Cheap flights from Singapore to Portland from $537

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 3/8. 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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Cheap round-trip flights

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STARLUX Airlines Logo
2:45 pm - 8:37 pmSIN-PDX
21h 52m2 stops
STARLUX Airlines Logo
5:30 pm - 1:25 pmPDX-SIN
27h 55m2 stops
$1,072STARLUX Airlines
Find Deal
Fri, Nov 14 - Tue, Nov 18
Multiple Airlines Logo
3:45 pm - 12:12 amSIN-PDX
24h 27m2 stops
Multiple Airlines Logo
2:56 pm - 12:05 pmPDX-SIN
29h 09m2 stops
$1,171Multiple Airlines
Find Deal
Thu, Dec 18 - Thu, Dec 25
Cathay Pacific Logo
1:25 am - 10:34 pmSIN-PDX
37h 09m2 stops
Cathay Pacific Logo
3:29 pm - 11:55 amPDX-SIN
28h 26m2 stops
$1,179Cathay Pacific
Find Deal
Thu, Nov 13 - Tue, Nov 18
STARLUX Airlines Logo
2:45 pm - 8:37 pmSIN-PDX
21h 52m2 stops
STARLUX Airlines Logo
5:30 pm - 1:25 pmPDX-SIN
27h 55m2 stops
$1,249STARLUX Airlines
Find Deal
Fri, Nov 14 - Tue, Nov 18
United Airlines Logo
10:10 am - 6:36 pmSIN-PDX
24h 26m1 stop
United Airlines Logo
7:38 pm - 8:00 amPDX-SIN
20h 22m1 stop
$1,317United Airlines
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Fri, Nov 14 - Tue, Nov 18
United Airlines Logo
10:10 am - 6:36 pmSIN-PDX
24h 26m1 stop
United Airlines Logo
7:30 am - 8:15 pmPDX-SIN
20h 45m1 stop
$1,318United Airlines
Find Deal
Fri, Nov 14 - Tue, Nov 18
Air Canada Logo
8:50 am - 6:30 pmSIN-PDX
25h 40m1 stop
Air Canada Logo
7:00 pm - 7:00 amPDX-SIN
20h 00m1 stop
$1,598Air Canada
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Thu, Dec 18 - Thu, Dec 25
Air Canada Logo
8:50 am - 9:15 amSIN-PDX
16h 25m1 stop
Air Canada Logo
9:50 am - 2:50 pmPDX-SIN
37h 00m2 stops
$1,599Air Canada
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Thu, Dec 18 - Thu, Dec 25
Multiple Airlines Logo
1:15 pm - 9:15 amSIN-PDX
36h 00m3 stops
Multiple Airlines Logo
7:00 pm - 2:00 pmPDX-SIN
27h 00m2 stops
$1,620Multiple Airlines
Find Deal
Thu, Dec 18 - Thu, Dec 25
Cathay Pacific Logo
1:25 am - 1:44 pmSIN-PDX
28h 19m2 stops
Cathay Pacific Logo
4:26 pm - 1:05 pmPDX-SIN
28h 39m2 stops
$1,780Cathay Pacific
Find Deal
Wed, Dec 17 - Thu, Dec 25

STARLUX Airlines flights from Singapore to Portland

Our best STARLUX Airlines deals on Singapore to Portland flight tickets
STARLUX Airlines
Nov 14
SIN2:45 pmSingapore Changi
21h 52m
2 stops
PDX8:37 pmPortland
Nov 18
PDX5:30 pmPortland
27h 55m
2 stops
SIN1:25 pmSingapore Changi
$1,072
Find similar
STARLUX Airlines
Nov 14
SIN2:45 pmSingapore Changi
21h 52m
2 stops
PDX8:37 pmPortland
Nov 18
PDX5:30 pmPortland
27h 55m
2 stops
SIN1:25 pmSingapore Changi
$1,249
Find similar

Cathay Pacific flights from Singapore to Portland

Our best Cathay Pacific deals on Singapore to Portland flight tickets
Cathay Pacific
Nov 13
SIN1:25 amSingapore Changi
37h 09m
2 stops
PDX10:34 pmPortland
Nov 18
PDX3:29 pmPortland
28h 26m
2 stops
SIN11:55 amSingapore Changi
$1,179
Find similar
Cathay Pacific
Dec 17
SIN1:25 amSingapore Changi
28h 19m
2 stops
PDX1:44 pmPortland
Dec 25
PDX4:26 pmPortland
28h 39m
2 stops
SIN1:05 pmSingapore Changi
$1,780
Find similar

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 November 3, 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

Fri 11/14

2:45 pm-8:37 pm

2 stops21h 52m

Portland

Tue 11/18

5:30 pm-1:25 pm

2 stops27h 55m

$1,072

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 12/18

3:45 pm-12:12 am

2 stops24h 27m

Portland

Thu 12/25

2:56 pm-12:05 pm

2 stops29h 09m

$1,171

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 11/13

1:25 am-10:34 pm

2 stops37h 09m

Portland

Tue 11/18

3:29 pm-11:55 am

2 stops28h 26m

$1,179

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Fri 11/14

2:45 pm-8:37 pm

2 stops21h 52m

Portland

Tue 11/18

5:30 pm-1:25 pm

2 stops27h 55m

$1,249

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Fri 11/14

10:10 am-6:36 pm

1 stop24h 26m

Portland

Tue 11/18

7:38 pm-8:00 am

1 stop20h 22m

$1,317

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Fri 11/14

10:10 am-6:36 pm

1 stop24h 26m

Portland

Tue 11/18

7:30 am-8:15 pm

1 stop20h 45m

$1,318

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 12/18

8:50 am-6:30 pm

1 stop25h 40m

Portland

Thu 12/25

7:00 pm-7:00 am

1 stop20h 00m

$1,598

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 12/18

8:50 am-9:15 am

1 stop16h 25m

Portland

Thu 12/25

9:50 am-2:50 pm

2 stops37h 00m

$1,599

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 12/18

1:15 pm-9:15 am

3 stops36h 00m

Portland

Thu 12/25

7:00 pm-2:00 pm

2 stops27h 00m

$1,620

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Wed 12/17

1:25 am-1:44 pm

2 stops28h 19m

Portland

Thu 12/25

4:26 pm-1:05 pm

2 stops28h 39m

$1,780

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 typical price of a round-trip flight between Singapore and Portland?

What is the cheapest month to fly to Portland?

The cheapest month to fly to Portland from Singapore is in February. Flight prices, which tend to average around $965, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in February, 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 44% on your flight if you consider stops on a Singapore to Portland flight.

How have Singapore to Portland flight prices changed over time?

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 16h 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
The Dalles
Pacific City
Tigard
Manzanita
Tillamook

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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