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.

$536 Cheap Flights from Singapore to Portland in 2026

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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.

1:45 pm - 10:39 pm

SIN

PDX

23h 54m

2 stops

5:36 pm - 12:35 pm

PDX

SIN

27h 59m

2 stops

$841Multiple Airlines

Thu, Jun 25 - Sat, Aug 1

2:25 pm - 10:56 am

SIN

PDX

36h 31m

2 stops

5:50 pm - 1:05 pm

PDX

SIN

27h 15m

2 stops

$866Multiple Airlines

Thu, Feb 26 - Thu, Mar 5

2:25 pm - 9:42 am

SIN

PDX

35h 17m

2 stops

2:47 pm - 1:05 pm

PDX

SIN

30h 18m

2 stops

$887Multiple Airlines

Wed, Feb 25 - Wed, Mar 4

2:00 am - 10:31 pm

SIN

PDX

35h 31m

2 stops

8:30 pm - 12:35 pm

PDX

SIN

25h 05m

2 stops

$923Multiple Airlines

Tue, Apr 14 - Thu, Apr 23

2:45 pm - 8:47 pm

SIN

PDX

22h 02m

2 stops

5:35 pm - 1:25 pm

PDX

SIN

27h 50m

2 stops

$972STARLUX Airlines

Fri, Jan 23 - Tue, Jan 27

2:45 pm - 8:47 pm

SIN

PDX

22h 02m

2 stops

5:35 pm - 1:25 pm

PDX

SIN

27h 50m

2 stops

$973STARLUX Airlines

Fri, Jan 23 - Tue, Jan 27

2:45 pm - 8:47 pm

SIN

PDX

22h 02m

2 stops

1:36 pm - 1:25 pm

PDX

SIN

31h 49m

2 stops

$974STARLUX Airlines

Wed, Feb 11 - Fri, Feb 27

1:10 am - 2:42 pm

SIN

PDX

29h 32m

2 stops

9:50 am - 6:25 am

PDX

SIN

28h 35m

3 stops

$991Multiple Airlines

Wed, Feb 25 - Thu, Mar 5

9:15 am - 8:32 pm

SIN

PDX

26h 17m

1 stop

7:00 am - 7:10 pm

PDX

SIN

21h 10m

1 stop

$1,015Multiple Airlines

Wed, Apr 15 - Thu, Apr 23

8:40 pm - 2:42 pm

SIN

PDX

34h 02m

3 stops

9:50 am - 6:25 am

PDX

SIN

28h 35m

3 stops

$1,016Multiple Airlines

Wed, Feb 25 - Wed, Mar 4

STARLUX Airlines flights from Singapore to Portland

Our best STARLUX Airlines deals on Singapore to Portland flight tickets

STARLUX Airlines

Jan 23

SIN2:45 pmSingapore Changi

22h 02m

2 stops

PDX8:47 pmPortland

Jan 27

PDX5:35 pmPortland

27h 50m

2 stops

SIN1:25 pmSingapore Changi

$972

STARLUX Airlines

Jan 23

SIN2:45 pmSingapore Changi

22h 02m

2 stops

PDX8:47 pmPortland

Jan 27

PDX5:35 pmPortland

27h 50m

2 stops

SIN1:25 pmSingapore Changi

$973

STARLUX Airlines

Feb 11

SIN2:45 pmSingapore Changi

22h 02m

2 stops

PDX8:47 pmPortland

Feb 27

PDX1:36 pmPortland

31h 49m

2 stops

SIN1:25 pmSingapore Changi

$974

United Airlines flights from Singapore to Portland

Our best United Airlines deals on Singapore to Portland flight tickets

United Airlines

Feb 26

SIN10:10 amSingapore Changi

20h 44m

1 stop

PDX2:54 pmPortland

Mar 5

PDX7:30 amPortland

20h 45m

1 stop

SIN8:15 pmSingapore Changi

$1,294

United Airlines

Jan 23

SIN10:20 pmSingapore Changi

18h 23m

1 stop

PDX12:43 amPortland

Jan 27

PDX5:35 amPortland

22h 40m

1 stop

SIN8:15 pmSingapore Changi

$1,333

United Airlines

Jun 25

SIN8:40 pmSingapore Changi

19h 13m

1 stop

PDX12:53 amPortland

Aug 1

PDX5:30 amPortland

22h 05m

1 stop

SIN6:35 pmSingapore Changi

$1,420

Fly from

Fly to

Route

Depart

Return

Price

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 6/25

1:45 pm-10:39 pm

2 stops23h 54m

Portland

Sat 8/1

5:36 pm-12:35 pm

2 stops27h 59m

$841

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 2/26

2:25 pm-10:56 am

2 stops36h 31m

Portland

Thu 3/5

5:50 pm-1:05 pm

2 stops27h 15m

$866

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Wed 2/25

2:25 pm-9:42 am

2 stops35h 17m

Portland

Wed 3/4

2:47 pm-1:05 pm

2 stops30h 18m

$887

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Tue 4/14

2:00 am-10:31 pm

2 stops35h 31m

Portland

Thu 4/23

8:30 pm-12:35 pm

2 stops25h 05m

$923

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Fri 1/23

2:45 pm-8:47 pm

2 stops22h 02m

Portland

Tue 1/27

5:35 pm-1:25 pm

2 stops27h 50m

$972

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Fri 1/23

2:45 pm-8:47 pm

2 stops22h 02m

Portland

Tue 1/27

5:35 pm-1:25 pm

2 stops27h 50m

$973

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Wed 2/11

2:45 pm-8:47 pm

2 stops22h 02m

Portland

Fri 2/27

1:36 pm-1:25 pm

2 stops31h 49m

$974

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Wed 2/25

1:10 am-2:42 pm

2 stops29h 32m

Portland

Thu 3/5

9:50 am-6:25 am

3 stops28h 35m

$991

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Wed 4/15

9:15 am-8:32 pm

1 stop26h 17m

Portland

Thu 4/23

7:00 am-7:10 pm

1 stop21h 10m

$1,015

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Wed 2/25

8:40 pm-2:42 pm

3 stops34h 02m

Portland

Wed 3/4

9:50 am-6:25 am

3 stops28h 35m

$1,016

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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

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.

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	22h 02m
Direct flights	None

The fastest flight from Singapore to Portland takes 22h 02m

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 22h 02m.
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

Longview

Gresham

Tigard

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.