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Cheap flights from Singapore to Portland from $597

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 10/29. 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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0 bags

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Find the cheapest flights from Singapore to Portland

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
8:50 am - 9:26 am
SIN
-
PDX
16h 36m
1 stop
Air Canada Logo
7:10 pm - 4:55 am
PDX
-
SIN
41h 45m
2 stops
$980Air Canada
Thu, Nov 5 - Mon, Nov 9
Air Canada Logo
9:00 pm - 6:31 pm
SIN
-
PDX
37h 31m
2 stops
Air Canada Logo
7:10 pm - 4:55 am
PDX
-
SIN
41h 45m
2 stops
$982Air Canada
Thu, Nov 5 - Mon, Nov 9
Air Canada Logo
8:50 am - 6:31 pm
SIN
-
PDX
25h 41m
1 stop
Air Canada Logo
3:15 pm - 4:55 am
PDX
-
SIN
45h 40m
2 stops
$984Air Canada
Thu, Nov 5 - Mon, Nov 9
Air Canada Logo
8:50 am - 9:25 am
SIN
-
PDX
16h 35m
1 stop
Air Canada Logo
7:10 pm - 4:55 am
PDX
-
SIN
41h 45m
2 stops
$985Air Canada
Thu, Nov 5 - Mon, Nov 9
Air Canada Logo
8:50 am - 2:40 pm
SIN
-
PDX
21h 50m
1 stop
Air Canada Logo
7:10 pm - 4:55 am
PDX
-
SIN
41h 45m
2 stops
$987Air Canada
Thu, Nov 5 - Mon, Nov 9
Air Canada Logo
8:50 am - 12:54 am
SIN
-
PDX
32h 04m
2 stops
Air Canada Logo
3:15 pm - 4:55 am
PDX
-
SIN
45h 40m
2 stops
$990Air Canada
Thu, Nov 5 - Mon, Nov 9
Air Canada Logo
8:50 am - 12:54 am
SIN
-
PDX
32h 04m
2 stops
Air Canada Logo
7:10 pm - 4:55 am
PDX
-
SIN
41h 45m
2 stops
$991Air Canada
Thu, Nov 5 - Mon, Nov 9
Air Canada Logo
8:50 am - 12:54 am
SIN
-
PDX
32h 04m
2 stops
Air Canada Logo
3:15 pm - 4:55 am
PDX
-
SIN
45h 40m
2 stops
$992Air Canada
Thu, Nov 5 - Mon, Nov 9
Multiple Airlines Logo
9:30 am - 6:30 pm
SIN
-
PDX
25h 00m
2 stops
Multiple Airlines Logo
3:15 pm - 7:00 am
PDX
-
SIN
23h 45m
1 stop
$1,032Multiple Airlines
Wed, Nov 11 - Thu, Nov 26
Multiple Airlines Logo
2:25 pm - 9:31 am
SIN
-
PDX
35h 06m
2 stops
Multiple Airlines Logo
5:35 pm - 1:05 pm
PDX
-
SIN
27h 30m
2 stops
$1,036Multiple Airlines
Wed, Nov 11 - Thu, Nov 26

Air Canada flights from Singapore to Portland

Our best Air Canada deals on Singapore to Portland flight tickets
Air Canada
Nov 5
SIN8:50 amSingapore Changi
16h 36m
1 stop
PDX9:26 amPortland
Nov 9
PDX7:10 pmPortland
41h 45m
2 stops
SIN4:55 amSingapore Changi
$980
Air Canada
Nov 5
SIN9:00 pmSingapore Changi
37h 31m
2 stops
PDX6:31 pmPortland
Nov 9
PDX7:10 pmPortland
41h 45m
2 stops
SIN4:55 amSingapore Changi
$982
Air Canada
Nov 5
SIN8:50 amSingapore Changi
25h 41m
1 stop
PDX6:31 pmPortland
Nov 9
PDX3:15 pmPortland
45h 40m
2 stops
SIN4:55 amSingapore Changi
$984

United Airlines flights from Singapore to Portland

Our best United Airlines deals on Singapore to Portland flight tickets
United Airlines
Nov 5
SIN10:10 amSingapore Changi
30h 44m
1 stop
PDX12:54 amPortland
Nov 9
PDX5:35 amPortland
22h 40m
1 stop
SIN8:15 pmSingapore Changi
$1,403
United Airlines
Nov 5
SIN10:20 pmSingapore Changi
18h 34m
1 stop
PDX12:54 amPortland
Nov 9
PDX7:49 pmPortland
20h 11m
1 stop
SIN8:00 amSingapore Changi
$1,408
United Airlines
Nov 5
SIN10:20 pmSingapore Changi
18h 34m
1 stop
PDX12:54 amPortland
Nov 9
PDX7:49 pmPortland
20h 11m
1 stop
SIN8:00 amSingapore Changi
$1,410

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 May 16, 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 11/5

8:50 am-9:26 am

1 stop16h 36m

Portland

Mon 11/9

7:10 pm-4:55 am

2 stops41h 45m

$980

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 11/5

9:00 pm-6:31 pm

2 stops37h 31m

Portland

Mon 11/9

7:10 pm-4:55 am

2 stops41h 45m

$982

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 11/5

8:50 am-6:31 pm

1 stop25h 41m

Portland

Mon 11/9

3:15 pm-4:55 am

2 stops45h 40m

$984

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 11/5

8:50 am-9:25 am

1 stop16h 35m

Portland

Mon 11/9

7:10 pm-4:55 am

2 stops41h 45m

$985

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 11/5

8:50 am-2:40 pm

1 stop21h 50m

Portland

Mon 11/9

7:10 pm-4:55 am

2 stops41h 45m

$987

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 11/5

8:50 am-12:54 am

2 stops32h 04m

Portland

Mon 11/9

3:15 pm-4:55 am

2 stops45h 40m

$990

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 11/5

8:50 am-12:54 am

2 stops32h 04m

Portland

Mon 11/9

7:10 pm-4:55 am

2 stops41h 45m

$991

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 11/5

8:50 am-12:54 am

2 stops32h 04m

Portland

Mon 11/9

3:15 pm-4:55 am

2 stops45h 40m

$992
Quickest round-trip

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Wed 11/11

9:30 am-6:30 pm

2 stops25h 00m

Portland

Thu 11/26

3:15 pm-7:00 am

1 stop23h 45m

$1,032

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Wed 11/11

2:25 pm-9:31 am

2 stops35h 06m

Portland

Thu 11/26

5:35 pm-1:05 pm

2 stops27h 30m

$1,036

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 32% 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

25h 00m

Direct flights

None
The fastest flight from Singapore to Portland takes 25h 00m
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 25h 00m.

  • 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
Rockaway Beach
Beaverton
Depoe Bay
Hillsboro
Tigard
Longview
Hood River
Troutdale
Newberg
The Dalles
Gresham
McMinnville
Manzanita

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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