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Cheap flights from Singapore to Oregon from $476

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 Oregon departing on 11/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Asiana Airlines Logo
11:10 pm - 2:46 pmSIN-PDX
55h 36m2 stops
Asiana Airlines Logo
7:30 pm - 9:30 pmPDX-SIN
35h 00m2 stops
$875Asiana Airlines
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Tue, Jan 13 - Mon, Apr 6
Asiana Airlines Logo
11:10 pm - 2:46 pmSIN-PDX
55h 36m2 stops
Asiana Airlines Logo
7:30 pm - 9:30 pmPDX-SIN
35h 00m2 stops
$876Asiana Airlines
Find Deal
Tue, Jan 13 - Tue, Apr 7
Asiana Airlines Logo
11:10 pm - 2:46 pmSIN-PDX
55h 36m2 stops
Asiana Airlines Logo
7:30 pm - 9:30 pmPDX-SIN
35h 00m2 stops
$878Asiana Airlines
Find Deal
Tue, Jan 13 - Tue, Apr 7
Multiple Airlines Logo
11:10 pm - 1:41 pmSIN-PDX
30h 31m2 stops
Multiple Airlines Logo
7:30 pm - 9:30 pmPDX-SIN
35h 00m2 stops
$884Multiple Airlines
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Wed, Jan 14 - Tue, Apr 7
Multiple Airlines Logo
2:25 pm - 11:37 pmSIN-BOI
24h 12m2 stops
Multiple Airlines Logo
3:45 pm - 1:05 pmBOI-SIN
30h 20m2 stops
$900Multiple Airlines
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Thu, Dec 18 - Tue, Dec 30
Asiana Airlines Logo
11:10 pm - 6:48 pmSIN-PDX
35h 38m2 stops
Asiana Airlines Logo
7:30 pm - 9:30 pmPDX-SIN
35h 00m2 stops
$937Asiana Airlines
Find Deal
Tue, Jan 13 - Thu, Apr 2
China Airlines Logo
2:00 am - 4:50 pmSIN-PDX
54h 50m2 stops
China Airlines Logo
2:45 pm - 12:35 pmPDX-SIN
30h 50m2 stops
$947China Airlines
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Wed, Jan 14 - Tue, Apr 7
EVA Air Logo
3:45 pm - 1:33 pmSIN-PDX
37h 48m2 stops
EVA Air Logo
9:45 pm - 1:50 pmPDX-SIN
25h 05m2 stops
$959EVA Air
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Wed, Jan 14 - Sun, Apr 5
STARLUX Airlines Logo
2:45 pm - 10:46 pmSIN-PDX
24h 01m2 stops
STARLUX Airlines Logo
9:45 pm - 12:40 pmPDX-SIN
23h 55m2 stops
$1,000STARLUX Airlines
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Thu, Jan 15 - Sat, Apr 4
STARLUX Airlines Logo
2:45 pm - 8:37 pmSIN-PDX
21h 52m2 stops
STARLUX Airlines Logo
5:30 pm - 1:25 pmPDX-SIN
27h 55m2 stops
$1,004STARLUX Airlines
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Fri, Nov 14 - Tue, Nov 18

STARLUX Airlines flights from Singapore to Oregon

Our best STARLUX Airlines deals on Singapore to Oregon flight tickets
STARLUX Airlines
Jan 15
SIN2:45 pmSingapore Changi
24h 01m
2 stops
PDX10:46 pmPortland
Apr 4
PDX9:45 pmPortland
23h 55m
2 stops
SIN12:40 pmSingapore Changi
$1,000
Find similar
STARLUX Airlines
Nov 14
SIN2:45 pmSingapore Changi
21h 52m
2 stops
PDX8:37 pmPortland
Nov 18
PDX5:30 pmPortland
27h 55m
2 stops
SIN1:25 pmSingapore Changi
$1,004
Find similar
STARLUX Airlines
Nov 5
SIN2:45 pmSingapore Changi
21h 52m
2 stops
PDX8:37 pmPortland
Nov 8
PDX5:30 pmPortland
27h 55m
2 stops
SIN1:25 pmSingapore Changi
$1,005
Find similar

United Airlines flights from Singapore to Oregon

Our best United Airlines deals on Singapore to Oregon flight tickets
United Airlines
Nov 6
SIN10:10 amSingapore Changi
28h 46m
2 stops
PDX10:56 pmPortland
Nov 9
PDX10:05 amPortland
42h 10m
1 stop
SIN8:15 pmSingapore Changi
$1,283
Find similar
United Airlines
Nov 5
SIN10:20 pmSingapore Changi
32h 26m
1 stop
PDX2:46 pmPortland
Nov 8
PDX4:02 pmPortland
36h 13m
2 stops
SIN8:15 pmSingapore Changi
$1,321
Find similar
United Airlines
Nov 4
SIN10:20 pmSingapore Changi
32h 26m
1 stop
PDX2:46 pmPortland
Nov 7
PDX7:30 amPortland
32h 30m
1 stop
SIN8:00 amSingapore Changi
$1,324
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momondo Fare Finder

 
Customize your flight search to find flights from Singapore to Oregon 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 October 23, 2025.
Use the filters below to find and compare flights from Singapore to Oregon that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Tue 1/13

11:10 pm-2:46 pm

2 stops55h 36m

Portland

Mon 4/6

7:30 pm-9:30 pm

2 stops35h 00m

$875

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Tue 1/13

11:10 pm-2:46 pm

2 stops55h 36m

Portland

Tue 4/7

7:30 pm-9:30 pm

2 stops35h 00m

$876

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Tue 1/13

11:10 pm-2:46 pm

2 stops55h 36m

Portland

Tue 4/7

7:30 pm-9:30 pm

2 stops35h 00m

$878

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Wed 1/14

11:10 pm-1:41 pm

2 stops30h 31m

Portland

Tue 4/7

7:30 pm-9:30 pm

2 stops35h 00m

$884

SingaporeBoise

SIN - BOI

SINBOI

Singapore Changi

Thu 12/18

2:25 pm-11:37 pm

2 stops24h 12m

Boise Air Term. Gowen Fld

Tue 12/30

3:45 pm-1:05 pm

2 stops30h 20m

$900

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Tue 1/13

11:10 pm-6:48 pm

2 stops35h 38m

Portland

Thu 4/2

7:30 pm-9:30 pm

2 stops35h 00m

$937

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Wed 1/14

2:00 am-4:50 pm

2 stops54h 50m

Portland

Tue 4/7

2:45 pm-12:35 pm

2 stops30h 50m

$947

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Wed 1/14

3:45 pm-1:33 pm

2 stops37h 48m

Portland

Sun 4/5

9:45 pm-1:50 pm

2 stops25h 05m

$959

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 1/15

2:45 pm-10:46 pm

2 stops24h 01m

Portland

Sat 4/4

9:45 pm-12:40 pm

2 stops23h 55m

$1,000

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Fri 11/14

2:45 pm-8:37 pm

2 stops21h 52m

Portland

Tue 11/18

5:30 pm-1:25 pm

2 stops27h 55m

$1,004

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 Oregon from

How to get the cheapest flight ticket from Singapore to Oregon

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 Oregon?

The month of February is, on average, the cheapest month to fly to Oregon from Singapore, with most prices found around $965. The month of August is another great option to travel to Oregon, with average flight prices from Singapore averaging around $1,026.

What is the cheapest day to depart on your flight to Oregon?

On average, the least expensive day to fly to Oregon from Singapore is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $1,013. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Oregon is Sunday, with ticket prices averaging around $1,415.

What is the cheapest time of day to depart on your flight to Oregon?

According to our data, the cheapest time of day to fly to Oregon is in the evening. momondo users have found flights departing from Singapore to Oregon in the evening for as low as $1,016. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Oregon are more costly in the morning, with an average ticket price of $1,277. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

Can stopping save me money on Singapore to Oregon flights?

You could potentially save up to 45% on your flight if you consider stops on a Singapore to Oregon flight.

Cheap Singapore to Oregon flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Singapore to Oregon

Direct flights

None
There are no direct flights from Singapore to Oregon. There are no popular flight routes from Singapore to Oregon.
Search flight deals

  • When did momondo last update prices for flights from Singapore Changi Airport to Oregon?

    Prices for flights from Singapore Changi Airport to Oregon were last updated today.

  • How old do you have to be to fly from Singapore Changi Airport to Oregon?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Singapore Changi Airport to Oregon.

  • What documentation or ID do you need to fly to Oregon?

    The travel and health documents required for your trip to Oregon can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Oregon. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

Why should I use momondo to find a flight deal from Singapore to Oregon?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Singapore to Oregon. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Singapore to Oregon with flexible booking policies on momondo?

Flights from Singapore to Oregon with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Singapore to Oregon?

momondo helps you find the best flight between Singapore and Oregon by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Singapore to Oregon right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Oregon, momondo offers a useful price alert feature which will track prices for flights to Oregon from Singapore and alert you when they change.

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Sat 11/22
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