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

Lufthansa and STARLUX Airlines are the most popular carriers 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.

$559 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.

2:00 am - 11:54 pm

SIN

PDX

36h 54m

2 stops

5:49 pm - 12:35 pm

PDX

SIN

27h 46m

2 stops

$1,078Multiple Airlines

Sun, Apr 5 - Fri, Apr 10

8:05 am - 9:35 pm

SIN

PDX

28h 30m

2 stops

6:00 am - 6:10 am

PDX

SIN

33h 10m

2 stops

$1,079Japan Airlines

Thu, Apr 16 - Mon, Apr 20

8:05 am - 4:30 pm

SIN

PDX

23h 25m

2 stops

6:00 am - 5:45 pm

PDX

SIN

44h 45m

2 stops

$1,083Japan Airlines

Thu, Apr 16 - Mon, Apr 20

2:00 pm - 9:38 pm

SIN

PDX

22h 38m

2 stops

7:27 pm - 12:40 pm

PDX

SIN

26h 13m

2 stops

$1,106STARLUX Airlines

Thu, Apr 16 - Mon, Apr 20

7:20 am - 9:38 pm

SIN

PDX

29h 18m

2 stops

6:00 am - 5:35 pm

PDX

SIN

20h 35m

1 stop

$1,154Multiple Airlines

Mon, Apr 6 - Fri, Apr 10

3:45 pm - 10:41 pm

SIN

PDX

21h 56m

2 stops

9:30 pm - 2:30 pm

PDX

SIN

26h 00m

2 stops

$1,163Multiple Airlines

Sat, Mar 14 - Sat, Mar 21

8:50 am - 9:15 am

SIN

PDX

39h 25m

1 stop

7:05 pm - 11:15 am

PDX

SIN

25h 10m

2 stops

$1,201Air Canada

Sun, Mar 15 - Sun, Mar 22

8:50 am - 9:15 am

SIN

PDX

39h 25m

1 stop

3:15 pm - 7:00 am

PDX

SIN

24h 45m

1 stop

$1,207Air Canada

Sun, Mar 15 - Sun, Mar 22

8:50 am - 6:30 pm

SIN

PDX

24h 40m

1 stop

7:05 pm - 12:25 am

PDX

SIN

38h 20m

2 stops

$1,297Multiple Airlines

Sat, Mar 14 - Sat, Mar 21

9:00 am - 2:31 pm

SIN

PDX

20h 31m

1 stop

12:50 pm - 6:45 am

PDX

SIN

26h 55m

2 stops

$1,310United Airlines

Thu, Apr 16 - Mon, Apr 20

Japan Airlines flights from Singapore to Portland

Our best Japan Airlines deals on Singapore to Portland flight tickets

Japan Airlines

Apr 16

SIN8:05 amSingapore Changi

28h 30m

2 stops

PDX9:35 pmPortland

Apr 20

PDX6:00 amPortland

33h 10m

2 stops

SIN6:10 amSingapore Changi

$1,079

Japan Airlines

Apr 16

SIN8:05 amSingapore Changi

23h 25m

2 stops

PDX4:30 pmPortland

Apr 20

PDX6:00 amPortland

44h 45m

2 stops

SIN5:45 pmSingapore Changi

$1,083

United Airlines flights from Singapore to Portland

Our best United Airlines deals on Singapore to Portland flight tickets

United Airlines

Apr 16

SIN9:00 amSingapore Changi

20h 31m

1 stop

PDX2:31 pmPortland

Apr 20

PDX12:50 pmPortland

26h 55m

2 stops

SIN6:45 amSingapore Changi

$1,310

United Airlines

Apr 16

SIN9:00 amSingapore Changi

23h 45m

2 stops

PDX5:45 pmPortland

Apr 20

PDX5:30 amPortland

22h 05m

1 stop

SIN6:35 pmSingapore Changi

$1,313

United Airlines

Apr 16

SIN9:00 amSingapore Changi

18h 26m

1 stop

PDX12:26 pmPortland

Apr 20

PDX5:30 amPortland

22h 05m

1 stop

SIN6:35 pmSingapore Changi

$1,317

Fly from

Fly to

Route

Depart

Return

Price

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Sun 4/5

2:00 am-11:54 pm

2 stops36h 54m

Portland

Fri 4/10

5:49 pm-12:35 pm

2 stops27h 46m

$1,078

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 4/16

8:05 am-9:35 pm

2 stops28h 30m

Portland

Mon 4/20

6:00 am-6:10 am

2 stops33h 10m

$1,079

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 4/16

8:05 am-4:30 pm

2 stops23h 25m

Portland

Mon 4/20

6:00 am-5:45 pm

2 stops44h 45m

$1,083

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 4/16

2:00 pm-9:38 pm

2 stops22h 38m

Portland

Mon 4/20

7:27 pm-12:40 pm

2 stops26h 13m

$1,106

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Mon 4/6

7:20 am-9:38 pm

2 stops29h 18m

Portland

Fri 4/10

6:00 am-5:35 pm

1 stop20h 35m

$1,154

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Sat 3/14

3:45 pm-10:41 pm

2 stops21h 56m

Portland

Sat 3/21

9:30 pm-2:30 pm

2 stops26h 00m

$1,163

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Sun 3/15

8:50 am-9:15 am

1 stop39h 25m

Portland

Sun 3/22

7:05 pm-11:15 am

2 stops25h 10m

$1,201

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Sun 3/15

8:50 am-9:15 am

1 stop39h 25m

Portland

Sun 3/22

3:15 pm-7:00 am

1 stop24h 45m

$1,207

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Sat 3/14

8:50 am-6:30 pm

1 stop24h 40m

Portland

Sat 3/21

7:05 pm-12:25 am

2 stops38h 20m

$1,297

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 4/16

9:00 am-2:31 pm

1 stop20h 31m

Portland

Mon 4/20

12:50 pm-6:45 am

2 stops26h 55m

$1,310

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

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.

Can stopping save me money on Singapore to Portland flights?

You could potentially save up to 29% 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	20h 36m
Direct flights	None

The fastest flight from Singapore to Portland takes 20h 36m

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 20h 36m.
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

Tigard

Longview

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.