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Cheap flights from Singapore to Portland from $573

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 6/1. 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
1 adult, Economy, 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 - 9:25 am
SIN
-
PDX
34h 40m
2 stops
Multiple Airlines Logo
5:40 pm - 12:35 pm
PDX
-
SIN
27h 55m
2 stops
$939Multiple Airlines
Fri, Sep 11 - Sat, Sep 26
Multiple Airlines Logo
1:45 pm - 10:25 am
SIN
-
PDX
35h 40m
2 stops
Multiple Airlines Logo
5:40 pm - 12:35 pm
PDX
-
SIN
27h 55m
2 stops
$940Multiple Airlines
Fri, Sep 11 - Sat, Sep 26
Multiple Airlines Logo
1:45 pm - 9:25 am
SIN
-
PDX
34h 40m
2 stops
Multiple Airlines Logo
5:40 pm - 12:35 pm
PDX
-
SIN
27h 55m
2 stops
$941Multiple Airlines
Fri, Sep 11 - Sat, Sep 26
Multiple Airlines Logo
1:45 pm - 9:25 am
SIN
-
PDX
34h 40m
2 stops
Multiple Airlines Logo
5:40 pm - 12:35 pm
PDX
-
SIN
27h 55m
2 stops
$951Multiple Airlines
Sat, Sep 19 - Sun, Oct 4
Multiple Airlines Logo
1:45 pm - 9:25 am
SIN
-
PDX
34h 40m
2 stops
Multiple Airlines Logo
5:40 pm - 12:35 pm
PDX
-
SIN
27h 55m
2 stops
$952Multiple Airlines
Fri, Sep 18 - Sat, Oct 3
Multiple Airlines Logo
3:20 pm - 8:50 pm
SIN
-
PDX
44h 30m
2 stops
Multiple Airlines Logo
9:59 pm - 1:55 pm
PDX
-
SIN
24h 56m
2 stops
$1,028Multiple Airlines
Fri, Aug 7 - Sat, Aug 22
Multiple Airlines Logo
3:20 pm - 8:50 pm
SIN
-
PDX
44h 30m
2 stops
Multiple Airlines Logo
8:59 pm - 11:55 am
PDX
-
SIN
23h 56m
2 stops
$1,030Multiple Airlines
Fri, Aug 7 - Sat, Aug 22
Multiple Airlines Logo
3:20 pm - 8:50 pm
SIN
-
PDX
44h 30m
2 stops
Multiple Airlines Logo
8:59 pm - 11:55 am
PDX
-
SIN
23h 56m
2 stops
$1,033Multiple Airlines
Fri, Aug 7 - Sat, Aug 22
Multiple Airlines Logo
9:15 am - 8:48 pm
SIN
-
PDX
26h 33m
1 stop
Multiple Airlines Logo
7:00 am - 7:10 pm
PDX
-
SIN
21h 10m
1 stop
$1,081Multiple Airlines
Sat, Sep 19 - Sun, Oct 4
Multiple Airlines Logo
9:15 am - 4:50 pm
SIN
-
PDX
22h 35m
1 stop
Multiple Airlines Logo
5:55 pm - 1:15 pm
PDX
-
SIN
28h 20m
2 stops
$1,094Multiple Airlines
Fri, Sep 18 - Sat, Oct 3

United Airlines flights from Singapore to Portland

Our best United Airlines deals on Singapore to Portland flight tickets
United Airlines
May 5
SIN9:00 amSingapore Changi
27h 09m
2 stops
PDX9:09 pmPortland
May 6
PDX12:46 pmPortland
26h 59m
2 stops
SIN6:45 amSingapore Changi
$1,301
United Airlines
May 24
SIN8:35 pmSingapore Changi
19h 15m
1 stop
PDX12:50 amPortland
Jun 3
PDX7:00 amPortland
20h 35m
1 stop
SIN6:35 pmSingapore Changi
$1,424
United Airlines
May 24
SIN8:35 pmSingapore Changi
31h 31m
2 stops
PDX1:06 pmPortland
Jun 3
PDX7:00 amPortland
20h 35m
1 stop
SIN6:35 pmSingapore Changi
$1,429

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 March 23, 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

Cheapest round-trip

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Fri 9/11

1:45 pm-9:25 am

2 stops34h 40m

Portland

Sat 9/26

5:40 pm-12:35 pm

2 stops27h 55m

$939

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Fri 9/11

1:45 pm-10:25 am

2 stops35h 40m

Portland

Sat 9/26

5:40 pm-12:35 pm

2 stops27h 55m

$940

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Fri 9/11

1:45 pm-9:25 am

2 stops34h 40m

Portland

Sat 9/26

5:40 pm-12:35 pm

2 stops27h 55m

$941

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Sat 9/19

1:45 pm-9:25 am

2 stops34h 40m

Portland

Sun 10/4

5:40 pm-12:35 pm

2 stops27h 55m

$951

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Fri 9/18

1:45 pm-9:25 am

2 stops34h 40m

Portland

Sat 10/3

5:40 pm-12:35 pm

2 stops27h 55m

$952

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Fri 8/7

3:20 pm-8:50 pm

2 stops44h 30m

Portland

Sat 8/22

9:59 pm-1:55 pm

2 stops24h 56m

$1,028

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Fri 8/7

3:20 pm-8:50 pm

2 stops44h 30m

Portland

Sat 8/22

8:59 pm-11:55 am

2 stops23h 56m

$1,030

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Fri 8/7

3:20 pm-8:50 pm

2 stops44h 30m

Portland

Sat 8/22

8:59 pm-11:55 am

2 stops23h 56m

$1,033
Quickest round-trip

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Sat 9/19

9:15 am-8:48 pm

1 stop26h 33m

Portland

Sun 10/4

7:00 am-7:10 pm

1 stop21h 10m

$1,081

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Fri 9/18

9:15 am-4:50 pm

1 stop22h 35m

Portland

Sat 10/3

5:55 pm-1:15 pm

2 stops28h 20m

$1,094

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 42% 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 28m

Direct flights

None
The fastest flight from Singapore to Portland takes 22h 28m
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 28m.

  • 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
Tigard
Hood River
Longview
Troutdale
Newberg
McMinnville
The Dalles
Manzanita
Pacific City

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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