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Cheap flights from Singapore to Portland from $846

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 1/6. 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

Enter your travel dates to find the best prices.
Delta Logo
1:35 am - 7:11 pmSIN-PDX
32h 36m2 stops
Delta Logo
5:30 am - 12:10 amPDX-SIN
27h 40m2 stops
$944Delta
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Tue, Mar 10 - Sun, Mar 15
Delta Logo
1:35 am - 7:11 pmSIN-PDX
32h 36m2 stops
Delta Logo
9:40 am - 12:10 amPDX-SIN
23h 30m2 stops
$945Delta
Find Deal
Tue, Mar 10 - Sun, Mar 15
Multiple Airlines Logo
3:45 pm - 10:59 pmSIN-PDX
23h 14m2 stops
Multiple Airlines Logo
1:51 pm - 12:05 pmPDX-SIN
30h 14m2 stops
$963Multiple Airlines
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Tue, Dec 23 - Tue, Dec 30
Multiple Airlines Logo
3:45 pm - 12:09 amSIN-PDX
24h 24m2 stops
Multiple Airlines Logo
5:35 pm - 12:05 pmPDX-SIN
26h 30m2 stops
$965Multiple Airlines
Find Deal
Sun, Jan 18 - Fri, Jan 23
Multiple Airlines Logo
3:45 pm - 12:12 amSIN-PDX
24h 27m2 stops
Multiple Airlines Logo
5:50 pm - 12:05 pmPDX-SIN
26h 15m2 stops
$997Multiple Airlines
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Wed, Dec 24 - Wed, Dec 31
Air Canada Logo
8:50 am - 9:15 amSIN-PDX
16h 25m1 stop
Air Canada Logo
9:50 am - 7:00 amPDX-SIN
29h 10m1 stop
$998Air Canada
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Tue, Dec 23 - Tue, Dec 30
Multiple Airlines Logo
8:50 am - 2:40 pmSIN-PDX
20h 50m1 stop
Multiple Airlines Logo
11:59 pm - 7:05 amPDX-SIN
40h 06m2 stops
$1,015Multiple Airlines
Find Deal
Fri, Mar 20 - Mon, Mar 30
Air Canada Logo
9:00 pm - 9:15 amSIN-PDX
28h 15m2 stops
Air Canada Logo
9:50 am - 7:00 amPDX-SIN
29h 10m1 stop
$1,042Air Canada
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Wed, Dec 24 - Wed, Dec 31
China Airlines Logo
2:00 am - 6:18 amSIN-PDX
44h 18m2 stops
China Airlines Logo
5:50 pm - 1:05 pmPDX-SIN
27h 15m2 stops
$1,076China Airlines
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Mon, Dec 22 - Tue, Dec 30
Cathay Pacific Logo
1:25 am - 4:49 pmSIN-PDX
31h 24m2 stops
Cathay Pacific Logo
7:20 am - 5:40 amPDX-SIN
30h 20m2 stops
$1,256Cathay Pacific
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Sat, Jan 17 - Fri, Jan 23

Delta flights from Singapore to Portland

Our best Delta deals on Singapore to Portland flight tickets
Delta
Mar 10
SIN1:35 amSingapore Changi
32h 36m
2 stops
PDX7:11 pmPortland
Mar 15
PDX5:30 amPortland
27h 40m
2 stops
SIN12:10 amSingapore Changi
$944
Find similar
Delta
Mar 10
SIN1:35 amSingapore Changi
32h 36m
2 stops
PDX7:11 pmPortland
Mar 15
PDX9:40 amPortland
23h 30m
2 stops
SIN12:10 amSingapore Changi
$945
Find similar
Delta
Mar 20
SIN10:40 amSingapore Changi
25h 07m
2 stops
PDX8:47 pmPortland
Mar 29
PDX12:55 amPortland
31h 45m
2 stops
SIN11:40 pmSingapore Changi
$1,401
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Air Canada flights from Singapore to Portland

Our best Air Canada deals on Singapore to Portland flight tickets
Air Canada
Dec 23
SIN8:50 amSingapore Changi
16h 25m
1 stop
PDX9:15 amPortland
Dec 30
PDX9:50 amPortland
29h 10m
1 stop
SIN7:00 amSingapore Changi
$998
Find similar
Air Canada
Dec 24
SIN9:00 pmSingapore Changi
28h 15m
2 stops
PDX9:15 amPortland
Dec 31
PDX9:50 amPortland
29h 10m
1 stop
SIN7:00 amSingapore Changi
$1,042
Find similar
Air Canada
Jan 18
SIN8:50 amSingapore Changi
16h 25m
1 stop
PDX9:15 amPortland
Jan 23
PDX7:00 pmPortland
20h 00m
1 stop
SIN7:00 amSingapore Changi
$1,248
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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 10, 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

Tue 3/10

1:35 am-7:11 pm

2 stops32h 36m

Portland

Sun 3/15

5:30 am-12:10 am

2 stops27h 40m

$944

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Tue 3/10

1:35 am-7:11 pm

2 stops32h 36m

Portland

Sun 3/15

9:40 am-12:10 am

2 stops23h 30m

$945

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Tue 12/23

3:45 pm-10:59 pm

2 stops23h 14m

Portland

Tue 12/30

1:51 pm-12:05 pm

2 stops30h 14m

$963

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Sun 1/18

3:45 pm-12:09 am

2 stops24h 24m

Portland

Fri 1/23

5:35 pm-12:05 pm

2 stops26h 30m

$965

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Wed 12/24

3:45 pm-12:12 am

2 stops24h 27m

Portland

Wed 12/31

5:50 pm-12:05 pm

2 stops26h 15m

$997

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Tue 12/23

8:50 am-9:15 am

1 stop16h 25m

Portland

Tue 12/30

9:50 am-7:00 am

1 stop29h 10m

$998

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Fri 3/20

8:50 am-2:40 pm

1 stop20h 50m

Portland

Mon 3/30

11:59 pm-7:05 am

2 stops40h 06m

$1,015

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Wed 12/24

9:00 pm-9:15 am

2 stops28h 15m

Portland

Wed 12/31

9:50 am-7:00 am

1 stop29h 10m

$1,042

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Mon 12/22

2:00 am-6:18 am

2 stops44h 18m

Portland

Tue 12/30

5:50 pm-1:05 pm

2 stops27h 15m

$1,076

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Sat 1/17

1:25 am-4:49 pm

2 stops31h 24m

Portland

Fri 1/23

7:20 am-5:40 am

2 stops30h 20m

$1,256

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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