Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Singapore to Portland from $568

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 1/14. 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

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Singapore to Portland

Cheap round-trip flights

Enter your travel dates to find the best prices.
Korean Air Logo
10:30 pm - 12:44 pm
SIN
-
PDX
30h 14m2 stops
Korean Air Logo
6:25 am - 12:10 am
PDX
-
SIN
25h 45m2 stops
$952Korean Air
Wed, Jan 21 - Sun, Jan 25
Korean Air Logo
10:30 pm - 4:30 pm
SIN
-
PDX
34h 00m2 stops
Korean Air Logo
7:10 am - 12:10 am
PDX
-
SIN
25h 00m2 stops
$954Korean Air
Wed, Jan 21 - Sun, Jan 25
Multiple Airlines Logo
1:15 pm - 8:48 pm
SIN
-
PDX
23h 33m2 stops
Multiple Airlines Logo
5:35 pm - 12:05 pm
PDX
-
SIN
26h 30m2 stops
$970Multiple Airlines
Fri, Jan 16 - Fri, Jan 23
Multiple Airlines Logo
2:45 pm - 5:54 pm
SIN
-
PDX
19h 09m2 stops
Multiple Airlines Logo
9:30 pm - 5:45 pm
PDX
-
SIN
28h 15m1 stop
$1,114Multiple Airlines
Sat, Jan 17 - Sat, Jan 24
Air Canada Logo
6:35 am - 2:40 pm
SIN
-
PDX
24h 05m2 stops
Air Canada Logo
7:00 pm - 7:00 am
PDX
-
SIN
20h 00m1 stop
$1,129Air Canada
Wed, Jan 21 - Sun, Jan 25
Air Canada Logo
6:35 am - 2:40 pm
SIN
-
PDX
24h 05m2 stops
Air Canada Logo
7:00 pm - 7:00 am
PDX
-
SIN
20h 00m1 stop
$1,150Air Canada
Wed, Jan 21 - Sun, Jan 25
Air Canada Logo
6:35 am - 6:30 pm
SIN
-
PDX
27h 55m2 stops
Air Canada Logo
7:00 pm - 7:00 am
PDX
-
SIN
20h 00m1 stop
$1,260Air Canada
Fri, Jan 16 - Fri, Jan 23
United Airlines Logo
10:10 am - 12:33 pm
SIN
-
PDX
18h 23m1 stop
United Airlines Logo
7:51 pm - 8:15 pm
PDX
-
SIN
32h 24m1 stop
$1,282United Airlines
Wed, Jan 21 - Sun, Jan 25
Air Canada Logo
8:50 am - 6:30 pm
SIN
-
PDX
25h 40m1 stop
Air Canada Logo
3:15 pm - 7:00 am
PDX
-
SIN
23h 45m1 stop
$1,284Air Canada
Fri, Jan 16 - Fri, Jan 23
United Airlines Logo
10:10 am - 12:33 pm
SIN
-
PDX
18h 23m1 stop
United Airlines Logo
7:51 pm - 8:15 pm
PDX
-
SIN
32h 24m1 stop
$1,285United Airlines
Wed, Jan 21 - Sun, Jan 25

Korean Air flights from Singapore to Portland

Our best Korean Air deals on Singapore to Portland flight tickets
Korean Air
Jan 21
SIN10:30 pmSingapore Changi
30h 14m
2 stops
PDX12:44 pmPortland
Jan 25
PDX6:25 amPortland
25h 45m
2 stops
SIN12:10 amSingapore Changi
$952
Find similar
Korean Air
Jan 21
SIN10:30 pmSingapore Changi
34h 00m
2 stops
PDX4:30 pmPortland
Jan 25
PDX7:10 amPortland
25h 00m
2 stops
SIN12:10 amSingapore Changi
$954
Find similar

United Airlines flights from Singapore to Portland

Our best United Airlines deals on Singapore to Portland flight tickets
United Airlines
Jan 21
SIN10:10 amSingapore Changi
18h 23m
1 stop
PDX12:33 pmPortland
Jan 25
PDX7:51 pmPortland
32h 24m
1 stop
SIN8:15 pmSingapore Changi
$1,282
Find similar
United Airlines
Jan 21
SIN10:10 amSingapore Changi
18h 23m
1 stop
PDX12:33 pmPortland
Jan 25
PDX7:51 pmPortland
32h 24m
1 stop
SIN8:15 pmSingapore Changi
$1,285
Find similar
United Airlines
Jan 17
SIN10:20 pmSingapore Changi
30h 14m
1 stop
PDX12:34 pmPortland
Jan 24
PDX7:45 amPortland
20h 30m
1 stop
SIN8:15 pmSingapore Changi
$1,361
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 December 4, 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

Wed 1/21

10:30 pm-12:44 pm

2 stops30h 14m

Portland

Sun 1/25

6:25 am-12:10 am

2 stops25h 45m

$952

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Wed 1/21

10:30 pm-4:30 pm

2 stops34h 00m

Portland

Sun 1/25

7:10 am-12:10 am

2 stops25h 00m

$954

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Fri 1/16

1:15 pm-8:48 pm

2 stops23h 33m

Portland

Fri 1/23

5:35 pm-12:05 pm

2 stops26h 30m

$970

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Sat 1/17

2:45 pm-5:54 pm

2 stops19h 09m

Portland

Sat 1/24

9:30 pm-5:45 pm

1 stop28h 15m

$1,114

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Wed 1/21

6:35 am-2:40 pm

2 stops24h 05m

Portland

Sun 1/25

7:00 pm-7:00 am

1 stop20h 00m

$1,129

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Wed 1/21

6:35 am-2:40 pm

2 stops24h 05m

Portland

Sun 1/25

7:00 pm-7:00 am

1 stop20h 00m

$1,150

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Fri 1/16

6:35 am-6:30 pm

2 stops27h 55m

Portland

Fri 1/23

7:00 pm-7:00 am

1 stop20h 00m

$1,260

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Wed 1/21

10:10 am-12:33 pm

1 stop18h 23m

Portland

Sun 1/25

7:51 pm-8:15 pm

1 stop32h 24m

$1,282

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Fri 1/16

8:50 am-6:30 pm

1 stop25h 40m

Portland

Fri 1/23

3:15 pm-7:00 am

1 stop23h 45m

$1,284

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Wed 1/21

10:10 am-12:33 pm

1 stop18h 23m

Portland

Sun 1/25

7:51 pm-8:15 pm

1 stop32h 24m

$1,285

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 51% 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 33m

Direct flights

None
The fastest flight from Singapore to Portland takes 23h 33m
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 18h 23m.

  • 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
McMinnville
Gresham
Longview
Tigard
The Dalles
Pacific City
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.

An easier way to manage your Portland trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 1/3
Sat 1/10
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States