What is the cheapest airline that flies from Singapore Changi to Portland?

United Airlines is the most popular carrier operating from Singapore Changi to Portland

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.

$853 Cheap Flights from Singapore to Portland in 2025/26

1 adult

0 bags

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

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

Trusted and free

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

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Singapore to Portland

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:25 pm - 9:29 am

SIN

PDX

35h 04m2 stops

7:38 pm - 1:05 pm

PDX

SIN

25h 27m2 stops

$946Multiple Airlines

Sat, Jan 24 - Sat, Jan 31

1:35 am - 12:42 pm

SIN

PDX

27h 07m2 stops

7:10 am - 12:10 am

PDX

SIN

25h 00m2 stops

$952Korean Air

Wed, Feb 11 - Mon, Feb 16

1:35 am - 12:42 pm

SIN

PDX

27h 07m2 stops

6:25 am - 12:10 am

PDX

SIN

25h 45m2 stops

$954Korean Air

Wed, Feb 11 - Mon, Feb 16

3:45 pm - 10:46 pm

SIN

PDX

23h 01m2 stops

7:38 pm - 12:05 pm

PDX

SIN

24h 27m2 stops

$961Multiple Airlines

Sat, Jan 24 - Sat, Jan 31

8:50 am - 6:30 pm

SIN

PDX

25h 40m1 stop

9:50 am - 12:55 am

PDX

SIN

23h 05m2 stops

$1,038Air Canada

Thu, Feb 12 - Mon, Feb 16

8:50 am - 9:15 am

SIN

PDX

16h 25m1 stop

9:50 am - 12:55 am

PDX

SIN

23h 05m2 stops

$1,040Air Canada

Thu, Feb 12 - Mon, Feb 16

12:55 am - 1:41 pm

SIN

PDX

28h 46m2 stops

7:38 pm - 5:45 pm

PDX

SIN

30h 07m1 stop

$1,052Multiple Airlines

Fri, Jan 23 - Sat, Jan 31

12:55 am - 1:41 pm

SIN

PDX

28h 46m2 stops

7:38 pm - 5:45 pm

PDX

SIN

30h 07m1 stop

$1,057Multiple Airlines

Fri, Jan 23 - Sat, Jan 31

2:45 pm - 8:47 pm

SIN

PDX

22h 02m2 stops

9:50 am - 7:00 am

PDX

SIN

29h 10m1 stop

$1,135Multiple Airlines

Sun, Jan 25 - Sun, Feb 1

8:50 am - 6:30 pm

SIN

PDX

25h 40m1 stop

7:00 pm - 7:00 am

PDX

SIN

20h 00m1 stop

$1,156Air Canada

Sun, Jan 25 - Sun, Feb 1

Korean Air flights from Singapore to Portland

Our best Korean Air deals on Singapore to Portland flight tickets

Korean Air

Feb 11

SIN1:35 amSingapore Changi

27h 07m

2 stops

PDX12:42 pmPortland

Feb 16

PDX7:10 amPortland

25h 00m

2 stops

SIN12:10 amSingapore Changi

$952

Find similar

Korean Air

Feb 11

SIN1:35 amSingapore Changi

27h 07m

2 stops

PDX12:42 pmPortland

Feb 16

PDX6:25 amPortland

25h 45m

2 stops

SIN12:10 amSingapore Changi

$954

Find similar

Air Canada flights from Singapore to Portland

Our best Air Canada deals on Singapore to Portland flight tickets

Air Canada

Feb 12

SIN8:50 amSingapore Changi

25h 40m

1 stop

PDX6:30 pmPortland

Feb 16

PDX9:50 amPortland

23h 05m

2 stops

SIN12:55 amSingapore Changi

$1,038

Find similar

Air Canada

Feb 12

SIN8:50 amSingapore Changi

16h 25m

1 stop

PDX9:15 amPortland

Feb 16

PDX9:50 amPortland

23h 05m

2 stops

SIN12:55 amSingapore Changi

$1,040

Find similar

Air Canada

Jan 25

SIN8:50 amSingapore Changi

25h 40m

1 stop

PDX6:30 pmPortland

Feb 1

PDX7:00 pmPortland

20h 00m

1 stop

SIN7:00 amSingapore Changi

$1,156

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Sat 1/24

2:25 pm-9:29 am

2 stops35h 04m

Portland

Sat 1/31

7:38 pm-1:05 pm

2 stops25h 27m

$946

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Wed 2/11

1:35 am-12:42 pm

2 stops27h 07m

Portland

Mon 2/16

7:10 am-12:10 am

2 stops25h 00m

$952

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Wed 2/11

1:35 am-12:42 pm

2 stops27h 07m

Portland

Mon 2/16

6:25 am-12:10 am

2 stops25h 45m

$954

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Sat 1/24

3:45 pm-10:46 pm

2 stops23h 01m

Portland

Sat 1/31

7:38 pm-12:05 pm

2 stops24h 27m

$961

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 2/12

8:50 am-6:30 pm

1 stop25h 40m

Portland

Mon 2/16

9:50 am-12:55 am

2 stops23h 05m

$1,038

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 2/12

8:50 am-9:15 am

1 stop16h 25m

Portland

Mon 2/16

9:50 am-12:55 am

2 stops23h 05m

$1,040

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Fri 1/23

12:55 am-1:41 pm

2 stops28h 46m

Portland

Sat 1/31

7:38 pm-5:45 pm

1 stop30h 07m

$1,052

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Fri 1/23

12:55 am-1:41 pm

2 stops28h 46m

Portland

Sat 1/31

7:38 pm-5:45 pm

1 stop30h 07m

$1,057

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Sun 1/25

2:45 pm-8:47 pm

2 stops22h 02m

Portland

Sun 2/1

9:50 am-7:00 am

1 stop29h 10m

$1,135

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Sun 1/25

8:50 am-6:30 pm

1 stop25h 40m

Portland

Sun 2/1

7:00 pm-7:00 am

1 stop20h 00m

$1,156

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first

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

Prices

Airlines

What is the cheapest month to fly to Portland?

The cheapest month to fly to Portland from Singapore is in December. Flight prices, which tend to average around $177, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in December, then you should wait until February to fly from Singapore, when ticket prices are also cheap, with an average price of $965.

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 16% 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	25h 25m
Direct flights	None

The fastest flight from Singapore to Portland takes 25h 25m

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 25h 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.

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.