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Cheap flights from Singapore to Portland from $546

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 5/4. 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
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.
Multiple Airlines Logo
1:45 pm - 9:38 am
SIN
-
PDX
34h 53m
2 stops
Multiple Airlines Logo
5:40 pm - 12:35 pm
PDX
-
SIN
27h 55m
2 stops
$858Multiple Airlines
Mon, May 4 - Wed, Sep 2
Multiple Airlines Logo
3:20 pm - 1:50 pm
SIN
-
PDX
37h 30m
2 stops
Multiple Airlines Logo
7:27 pm - 11:55 am
PDX
-
SIN
25h 28m
2 stops
$976Multiple Airlines
Wed, Apr 1 - Wed, Apr 8
STARLUX Airlines Logo
2:00 pm - 9:35 pm
SIN
-
PDX
22h 35m
2 stops
STARLUX Airlines Logo
7:05 pm - 12:40 pm
PDX
-
SIN
26h 35m
2 stops
$987STARLUX Airlines
Thu, Jun 18 - Sun, Jul 5
Multiple Airlines Logo
1:10 pm - 10:39 pm
SIN
-
PDX
24h 29m
2 stops
Multiple Airlines Logo
9:30 pm - 11:55 am
PDX
-
SIN
23h 25m
2 stops
$1,004Multiple Airlines
Thu, Jun 25 - Mon, Aug 3
Multiple Airlines Logo
8:45 pm - 9:38 am
SIN
-
PDX
27h 53m
1 stop
Multiple Airlines Logo
5:40 pm - 7:50 am
PDX
-
SIN
23h 10m
1 stop
$1,076Multiple Airlines
Mon, May 4 - Wed, Sep 2
Multiple Airlines Logo
2:15 am - 9:30 am
SIN
-
PDX
46h 15m
2 stops
Multiple Airlines Logo
9:50 pm - 7:10 pm
PDX
-
SIN
30h 20m
1 stop
$1,088Multiple Airlines
Sun, May 3 - Wed, Sep 2
Multiple Airlines Logo
11:10 pm - 1:50 pm
SIN
-
PDX
29h 40m
2 stops
Multiple Airlines Logo
7:27 pm - 5:35 pm
PDX
-
SIN
31h 08m
1 stop
$1,164Multiple Airlines
Wed, Apr 1 - Wed, Apr 8
American Airlines Logo
1:55 am - 12:58 pm
SIN
-
PDX
26h 03m
2 stops
American Airlines Logo
6:00 am - 6:10 am
PDX
-
SIN
33h 10m
2 stops
$1,217American Airlines
Wed, Apr 15 - Mon, Apr 20
American Airlines Logo
1:55 am - 12:58 pm
SIN
-
PDX
26h 03m
2 stops
American Airlines Logo
6:00 am - 6:10 am
PDX
-
SIN
33h 10m
2 stops
$1,218American Airlines
Wed, Apr 15 - Mon, Apr 20
Cathay Pacific Logo
12:45 pm - 11:58 pm
SIN
-
PDX
26h 13m
2 stops
Cathay Pacific Logo
7:14 am - 12:45 am
PDX
-
SIN
26h 31m
2 stops
$1,221Cathay Pacific
Thu, Apr 16 - Mon, Apr 20

American Airlines flights from Singapore to Portland

Our best American Airlines deals on Singapore to Portland flight tickets
American Airlines
Apr 15
SIN1:55 amSingapore Changi
26h 03m
2 stops
PDX12:58 pmPortland
Apr 20
PDX6:00 amPortland
33h 10m
2 stops
SIN6:10 amSingapore Changi
$1,217
American Airlines
Apr 15
SIN1:55 amSingapore Changi
26h 03m
2 stops
PDX12:58 pmPortland
Apr 20
PDX6:00 amPortland
33h 10m
2 stops
SIN6:10 amSingapore Changi
$1,218

Cathay Pacific flights from Singapore to Portland

Our best Cathay Pacific deals on Singapore to Portland flight tickets
Cathay Pacific
Apr 16
SIN12:45 pmSingapore Changi
26h 13m
2 stops
PDX11:58 pmPortland
Apr 20
PDX7:14 amPortland
26h 31m
2 stops
SIN12:45 amSingapore Changi
$1,221
Cathay Pacific
Apr 16
SIN12:45 pmSingapore Changi
22h 54m
2 stops
PDX8:39 pmPortland
Apr 20
PDX7:14 amPortland
31h 16m
2 stops
SIN5:30 amSingapore Changi
$1,224

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 February 19, 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

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Mon 5/4

1:45 pm-9:38 am

2 stops34h 53m

Portland

Wed 9/2

5:40 pm-12:35 pm

2 stops27h 55m

$858

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Wed 4/1

3:20 pm-1:50 pm

2 stops37h 30m

Portland

Wed 4/8

7:27 pm-11:55 am

2 stops25h 28m

$976

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 6/18

2:00 pm-9:35 pm

2 stops22h 35m

Portland

Sun 7/5

7:05 pm-12:40 pm

2 stops26h 35m

$987

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 6/25

1:10 pm-10:39 pm

2 stops24h 29m

Portland

Mon 8/3

9:30 pm-11:55 am

2 stops23h 25m

$1,004

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Mon 5/4

8:45 pm-9:38 am

1 stop27h 53m

Portland

Wed 9/2

5:40 pm-7:50 am

1 stop23h 10m

$1,076

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Sun 5/3

2:15 am-9:30 am

2 stops46h 15m

Portland

Wed 9/2

9:50 pm-7:10 pm

1 stop30h 20m

$1,088

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Wed 4/1

11:10 pm-1:50 pm

2 stops29h 40m

Portland

Wed 4/8

7:27 pm-5:35 pm

1 stop31h 08m

$1,164

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Wed 4/15

1:55 am-12:58 pm

2 stops26h 03m

Portland

Mon 4/20

6:00 am-6:10 am

2 stops33h 10m

$1,217

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Wed 4/15

1:55 am-12:58 pm

2 stops26h 03m

Portland

Mon 4/20

6:00 am-6:10 am

2 stops33h 10m

$1,218

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 4/16

12:45 pm-11:58 pm

2 stops26h 13m

Portland

Mon 4/20

7:14 am-12:45 am

2 stops26h 31m

$1,221

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 28% 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

Fastest flight time

23h 54m

Direct flights

None
The fastest flight from Singapore to Portland takes 23h 54m
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 23h 54m.

  • 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
Depoe Bay
Beaverton
Hillsboro
Hood River
Tigard
Longview
McMinnville
Gresham
Pacific City
The Dalles
Manzanita
Newberg

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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