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Cheap flights from Singapore to Portland from $589

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 5/11. 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

Find the cheapest flights from Singapore to Portland

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:30 am - 10:44 pm
SIN
-
PDX
30h 14m
2 stops
Multiple Airlines Logo
7:10 am - 12:10 am
PDX
-
SIN
25h 00m
2 stops
$1,047Multiple Airlines
Sun, Oct 18 - Mon, Nov 2
Japan Airlines Logo
9:50 pm - 9:15 pm
SIN
-
PDX
38h 25m
2 stops
Japan Airlines Logo
8:00 am - 5:45 pm
PDX
-
SIN
42h 45m
2 stops
$1,072Japan Airlines
Thu, Sep 10 - Mon, Sep 14
Japan Airlines Logo
9:50 pm - 9:15 pm
SIN
-
PDX
38h 25m
2 stops
Japan Airlines Logo
7:00 am - 5:45 pm
PDX
-
SIN
43h 45m
2 stops
$1,073Japan Airlines
Thu, Sep 10 - Mon, Sep 14
Japan Airlines Logo
1:55 am - 9:15 pm
SIN
-
PDX
34h 20m
2 stops
Japan Airlines Logo
8:00 am - 5:45 pm
PDX
-
SIN
42h 45m
2 stops
$1,074Japan Airlines
Wed, Sep 9 - Mon, Sep 14
Multiple Airlines Logo
1:45 pm - 9:25 am
SIN
-
PDX
34h 40m
2 stops
Multiple Airlines Logo
7:50 pm - 12:35 am
PDX
-
SIN
37h 45m
2 stops
$1,075Multiple 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
7:50 pm - 12:35 pm
PDX
-
SIN
25h 45m
2 stops
$1,076Multiple Airlines
Fri, Sep 11 - Sat, Sep 26
Japan Airlines Logo
8:05 am - 4:50 pm
SIN
-
PDX
23h 45m
2 stops
Japan Airlines Logo
10:45 am - 12:20 am
PDX
-
SIN
22h 35m
2 stops
$1,079Japan Airlines
Fri, Sep 11 - Sat, Sep 26
Multiple Airlines Logo
1:45 pm - 7:52 am
SIN
-
PDX
33h 07m
2 stops
Multiple Airlines Logo
5:40 pm - 1:05 pm
PDX
-
SIN
27h 25m
2 stops
$1,085Multiple Airlines
Sat, Oct 17 - Sun, Nov 1
Singapore Airlines Logo
9:15 am - 4:50 pm
SIN
-
PDX
22h 35m
1 stop
Singapore Airlines Logo
7:00 am - 7:10 pm
PDX
-
SIN
21h 10m
1 stop
$1,114Singapore Airlines
Fri, Sep 11 - Sat, Sep 26
Singapore Airlines Logo
9:15 am - 4:50 pm
SIN
-
PDX
22h 35m
1 stop
Singapore Airlines Logo
7:00 am - 7:10 pm
PDX
-
SIN
21h 10m
1 stop
$1,115Singapore Airlines
Fri, Sep 11 - Sat, Sep 26

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Japan Airlines flights from Singapore to Portland

Our best Japan Airlines deals on Singapore to Portland flight tickets
Japan Airlines
Sep 9
SIN1:55 amSingapore Changi
29h 55m
2 stops
PDX4:50 pmPortland
Sep 14
PDX7:00 amPortland
43h 45m
2 stops
SIN5:45 pmSingapore Changi
$1,072
Japan Airlines
Sep 10
SIN9:50 pmSingapore Changi
38h 25m
2 stops
PDX9:15 pmPortland
Sep 14
PDX7:00 amPortland
43h 45m
2 stops
SIN5:45 pmSingapore Changi
$1,073
Japan Airlines
Sep 9
SIN1:55 amSingapore Changi
34h 20m
2 stops
PDX9:15 pmPortland
Sep 14
PDX8:00 amPortland
42h 45m
2 stops
SIN5:45 pmSingapore Changi
$1,074

Singapore Airlines flights from Singapore to Portland

Our best Singapore Airlines deals on Singapore to Portland flight tickets
Singapore Airlines
Sep 11
SIN9:15 amSingapore Changi
22h 35m
1 stop
PDX4:50 pmPortland
Sep 26
PDX7:00 amPortland
21h 10m
1 stop
SIN7:10 pmSingapore Changi
$1,114
Singapore Airlines
Sep 11
SIN9:15 amSingapore Changi
22h 35m
1 stop
PDX4:50 pmPortland
Sep 26
PDX7:00 amPortland
21h 10m
1 stop
SIN7:10 pmSingapore Changi
$1,115
Singapore Airlines
Sep 11
SIN9:15 amSingapore Changi
19h 35m
1 stop
PDX1:50 pmPortland
Sep 26
PDX7:00 amPortland
21h 10m
1 stop
SIN7:10 pmSingapore Changi
$1,116

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 April 21, 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

Sun 10/18

7:30 am-10:44 pm

2 stops30h 14m

Portland

Mon 11/2

7:10 am-12:10 am

2 stops25h 00m

$1,047

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 9/10

9:50 pm-9:15 pm

2 stops38h 25m

Portland

Mon 9/14

8:00 am-5:45 pm

2 stops42h 45m

$1,072

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 9/10

9:50 pm-9:15 pm

2 stops38h 25m

Portland

Mon 9/14

7:00 am-5:45 pm

2 stops43h 45m

$1,073

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Wed 9/9

1:55 am-9:15 pm

2 stops34h 20m

Portland

Mon 9/14

8:00 am-5:45 pm

2 stops42h 45m

$1,074

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Fri 9/11

1:45 pm-9:25 am

2 stops34h 40m

Portland

Sat 9/26

7:50 pm-12:35 am

2 stops37h 45m

$1,075

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Fri 9/11

1:45 pm-9:25 am

2 stops34h 40m

Portland

Sat 9/26

7:50 pm-12:35 pm

2 stops25h 45m

$1,076

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Fri 9/11

8:05 am-4:50 pm

2 stops23h 45m

Portland

Sat 9/26

10:45 am-12:20 am

2 stops22h 35m

$1,079

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Sat 10/17

1:45 pm-7:52 am

2 stops33h 07m

Portland

Sun 11/1

5:40 pm-1:05 pm

2 stops27h 25m

$1,085
Quickest round-trip

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Fri 9/11

9:15 am-4:50 pm

1 stop22h 35m

Portland

Sat 9/26

7:00 am-7:10 pm

1 stop21h 10m

$1,114

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Fri 9/11

9:15 am-4:50 pm

1 stop22h 35m

Portland

Sat 9/26

7:00 am-7:10 pm

1 stop21h 10m

$1,115

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 47% on your flight if you consider stops on a Singapore to Portland flight.

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 25m

Direct flights

None
The fastest flight from Singapore to Portland takes 23h 25m
There are no direct flights from Singapore to Portland. There are no popular flight routes from Singapore to Portland.
Search flight deals

Frequently asked questions about flying from Singapore to Portland

  • 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 23h 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.

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
Beaverton
Depoe Bay
Hillsboro
Tigard
Hood River
Longview
Newberg
Troutdale
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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