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Cheap flights from Singapore to Portland from $590

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 6/7. 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 - 1:50 pm
SIN
-
PDX
21h 20m
2 stops
Multiple Airlines Logo
7:10 am - 8:25 pm
PDX
-
SIN
45h 15m
2 stops
$1,000Multiple Airlines
Sat, Oct 24 - Sun, Nov 8
Multiple Airlines Logo
9:15 am - 10:51 pm
SIN
-
PDX
28h 36m
1 stop
Multiple Airlines Logo
7:00 am - 7:10 pm
PDX
-
SIN
21h 10m
1 stop
$1,052Multiple Airlines
Mon, Sep 7 - Sun, Sep 20
American Airlines Logo
8:05 am - 11:13 pm
SIN
-
PDX
30h 08m
2 stops
American Airlines Logo
11:59 pm - 6:35 am
PDX
-
SIN
38h 36m
2 stops
$1,057American Airlines
Fri, Oct 23 - Sat, Nov 7
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
$1,067Japan Airlines
Thu, Sep 10 - Sun, Sep 13
Japan Airlines Logo
1:55 am - 4:50 pm
SIN
-
PDX
29h 55m
2 stops
Japan Airlines Logo
8:00 am - 5:45 pm
PDX
-
SIN
42h 45m
2 stops
$1,068Japan Airlines
Wed, Sep 9 - Sun, Sep 13
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
$1,069Japan Airlines
Wed, Sep 9 - Sun, Sep 13
Japan Airlines Logo
1:55 am - 9:15 pm
SIN
-
PDX
34h 20m
2 stops
Japan Airlines Logo
8:00 am - 6:10 am
PDX
-
SIN
31h 10m
2 stops
$1,070Japan 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 pm
PDX
-
SIN
25h 45m
2 stops
$1,071Multiple 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
10:30 am - 12:35 pm
PDX
-
SIN
35h 05m
2 stops
$1,074Multiple Airlines
Fri, Sep 11 - Sat, Sep 26
Multiple Airlines Logo
2:00 am - 9:30 am
SIN
-
PDX
46h 30m
2 stops
Multiple Airlines Logo
1:50 pm - 12:35 pm
PDX
-
SIN
31h 45m
2 stops
$1,075Multiple Airlines
Sun, Sep 6 - Sun, Sep 20

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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
19h 35m
1 stop
PDX1:50 pmPortland
Sep 26
PDX7:00 amPortland
21h 10m
1 stop
SIN7:10 pmSingapore Changi
$1,105
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
$1,107
Singapore Airlines
Sep 11
SIN9:25 amSingapore Changi
26h 11m
2 stops
PDX8:36 pmPortland
Sep 26
PDX7:00 amPortland
21h 10m
1 stop
SIN7:10 pmSingapore Changi
$1,428

EVA Air flights from Singapore to Portland

Our best EVA Air deals on Singapore to Portland flight tickets
EVA Air
May 5
SIN1:10 pmSingapore Changi
24h 03m
2 stops
PDX10:13 pmPortland
May 10
PDX7:00 amPortland
37h 55m
2 stops
SIN11:55 amSingapore Changi
$1,110
EVA Air
Aug 7
SIN3:20 pmSingapore Changi
40h 27m
2 stops
PDX4:47 pmPortland
Aug 22
PDX7:22 pmPortland
25h 33m
2 stops
SIN11:55 amSingapore Changi
$1,210
EVA Air
Aug 7
SIN3:20 pmSingapore Changi
31h 17m
2 stops
PDX7:37 amPortland
Aug 22
PDX9:29 pmPortland
25h 26m
2 stops
SIN1:55 pmSingapore Changi
$1,258

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 27, 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

Sat 10/24

7:30 am-1:50 pm

2 stops21h 20m

Portland

Sun 11/8

7:10 am-8:25 pm

2 stops45h 15m

$1,000
Quickest round-trip

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Mon 9/7

9:15 am-10:51 pm

1 stop28h 36m

Portland

Sun 9/20

7:00 am-7:10 pm

1 stop21h 10m

$1,052

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Fri 10/23

8:05 am-11:13 pm

2 stops30h 08m

Portland

Sat 11/7

11:59 pm-6:35 am

2 stops38h 36m

$1,057

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 9/10

9:50 pm-9:15 pm

2 stops38h 25m

Portland

Sun 9/13

8:00 am-5:45 pm

2 stops42h 45m

$1,067

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Wed 9/9

1:55 am-4:50 pm

2 stops29h 55m

Portland

Sun 9/13

8:00 am-5:45 pm

2 stops42h 45m

$1,068

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Wed 9/9

1:55 am-9:15 pm

2 stops34h 20m

Portland

Sun 9/13

8:00 am-5:45 pm

2 stops42h 45m

$1,069

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-6:10 am

2 stops31h 10m

$1,070

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

$1,071

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Fri 9/11

1:45 pm-9:25 am

2 stops34h 40m

Portland

Sat 9/26

10:30 am-12:35 pm

2 stops35h 05m

$1,074

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Sun 9/6

2:00 am-9:30 am

2 stops46h 30m

Portland

Sun 9/20

1:50 pm-12:35 pm

2 stops31h 45m

$1,075

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

21h 20m

Direct flights

None
The fastest flight from Singapore to Portland takes 21h 20m
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 21h 20m.

  • 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
Longview
Hood River
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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