Cheap flights from Oregon to Singapore from S$ 497

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18-2. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SIN
3 sept. — 10 sept.1
1 adult

Cheap flight deals from Oregon to Singapore

Keep the following information in mind while searching for Oregon to Singapore flight deals. Data was last updated 29 août 2025.

Round-trip from

S$ 922

One-way from

S$ 497

Popular in

December

Cheapest in

September

Average price

S$ 1,325
Air Canada
  • Air Canada
  • 16-9-30-9
  • 2 total stops
  • 53h 31m total
  • Oregon to Singapore
Air Canada
  • Air Canada
  • 18-2
  • 1 total stop
  • 23h 45m total
  • Oregon to Singapore
Highest demand for flights based on searches. 14% potential increase in price (S$ 286 potential increase over avg. return price).
Cheapest flight prices on average. 6% potential price decrease (S$ 101 potential savings vs. average return price).
Average for round-trip flights in August 2025

Find flight deals from Oregon to Singapore

Cheapest flights from Oregon to Singapore
Explore the most affordable flight options available from Oregon to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 août 2025.

dim. 7-915:25PDX - SIN
1 stop24h 40mAir Canada
mar. 23-909:10SIN - PDX
1 stop24h 36mAir Canada
Deal found 27-8S$ 920
mar. 16-915:25PDX - SIN
1 stop24h 40mAir Canada
mar. 30-909:10SIN - PDX
1 stop28h 51mAir Canada
Deal found 28-8S$ 922
jeu. 30-1019:00PDX - SIN
1 stop21h 00mAir Canada
mar. 11-1121:00SIN - PDX
2 stops28h 15mAir Canada
Deal found 28-8S$ 924
jeu. 4-906:15PDX - SIN
2 stops27h 30mAir Canada
jeu. 25-909:10SIN - PDX
1 stop24h 36mAir Canada
Deal found 28-8S$ 938
sam. 1-1119:38PDX - SIN
2 stops44h 22mAir Canada
dim. 16-1121:00SIN - PDX
2 stops37h 30mAir Canada
Deal found 28-8S$ 990
sam. 1-1123:59PDX - SIN
2 stops40h 01mMultiple Airlines
dim. 16-1121:00SIN - PDX
2 stops28h 15mMultiple Airlines
Deal found 27-8S$ 1,003
mer. 24-908:10BOI - SIN
2 stops26h 40mMultiple Airlines
mer. 1-1009:45SIN - BOI
2 stops27h 09mMultiple Airlines
Deal found 27-8S$ 1,231
lun. 15-919:09BOI - SIN
2 stops45h 56mAir Canada
jeu. 25-909:10SIN - BOI
2 stops62h 42mAir Canada
Deal found 27-8S$ 1,278
lun. 15-917:45BOI - SIN
2 stops40h 50mChina Airlines
jeu. 25-913:45SIN - BOI
2 stops24h 23mChina Airlines
Deal found 28-8S$ 1,358
lun. 15-919:09BOI - SIN
1 stop21h 06mUnited Airlines
jeu. 25-908:45SIN - BOI
1 stop22h 13mUnited Airlines
Deal found 29-8S$ 1,364
sam. 11-1019:05BOI - SIN
1 stop33h 20mUnited Airlines
sam. 18-1008:45SIN - BOI
1 stop24h 30mUnited Airlines
Deal found 27-8S$ 1,372
sam. 30-819:30EUG - SIN
2 stops25h 15mCathay Pacific
sam. 6-918:00SIN - EUG
2 stops31h 27mCathay Pacific
Deal found 28-8S$ 1,376

Cheapflights Fare Finder

 
Customise your flight search to find flights from Oregon to Singapore 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, Cheapflights users made 200,618 searches. Data last updated 29 août 2025.
Use the filters below to find and compare flights from Oregon to Singapore that are best for you.

Fly from

Oregon

Fly to

Singapore

Route

Depart

Return

Price

PortlandSingapore

PDX - SIN

PDXSIN

Portland

mar. 16-9

15:25-07:05

1 stop24h 40m

Singapore Changi

mar. 30-9

09:10-14:46

1 stop20h 36m

S$ 922

PortlandSingapore

PDX - SIN

PDXSIN

Portland

jeu. 30-10

19:00-07:00

1 stop21h 00m

Singapore Changi

mar. 11-11

08:50-14:45

1 stop21h 55m

S$ 922

PortlandSingapore

PDX - SIN

PDXSIN

Portland

lun. 16-2

19:00-11:15

2 stops24h 15m

Singapore Changi

dim. 1-3

21:00-18:30

2 stops37h 30m

S$ 926

PortlandSingapore

PDX - SIN

PDXSIN

Portland

jeu. 23-10

19:40-07:05

1 stop20h 25m

Singapore Changi

ven. 31-10

08:50-14:45

1 stop20h 55m

S$ 945

BoiseSingapore

BOI - SIN

BOISIN

Boise Air Term. Gowen Fld

mer. 18-2

19:00-07:55

1 stop21h 55m

Singapore Changi

mer. 25-2

09:15-21:35

1 stop27h 20m

S$ 1,226

BoiseSingapore

BOI - SIN

BOISIN

Boise Air Term. Gowen Fld

mer. 24-9

08:10-00:50

2 stops26h 40m

Singapore Changi

mer. 1-10

09:45-22:54

2 stops27h 09m

S$ 1,231

BoiseSingapore

BOI - SIN

BOISIN

Boise Air Term. Gowen Fld

lun. 15-9

19:09-07:05

2 stops45h 56m

Singapore Changi

jeu. 25-9

09:10-09:52

2 stops62h 42m

S$ 1,278

BoiseSingapore

BOI - SIN

BOISIN

Boise Air Term. Gowen Fld

lun. 15-9

17:45-00:35

2 stops40h 50m

Singapore Changi

jeu. 25-9

13:45-00:08

2 stops24h 23m

S$ 1,358

BoiseSingapore

BOI - SIN

BOISIN

Boise Air Term. Gowen Fld

sam. 27-9

19:05-06:15

1 stop21h 10m

Singapore Changi

mar. 30-9

08:45-19:15

1 stop24h 30m

S$ 1,364

BoiseSingapore

BOI - SIN

BOISIN

Boise Air Term. Gowen Fld

dim. 28-9

19:05-06:15

1 stop21h 10m

Singapore Changi

ven. 3-10

08:45-23:44

1 stop28h 59m

S$ 1,364

Flights are sorted by cheapest return flights first.

Deals found on 27-8

Showing 1-10 of 20 results
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Best time to book a flight from Oregon to Singapore

Have a flexible travel schedule? Discover the best time to fly to Singapore from Oregon with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Oregon to Singapore
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Oregon to Singapore. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to Singapore from Oregon?

    Located just 16.9 km from the city centre, Singapore Changi (SIN) is the airport most travelers will use when flying to Singapore from Oregon.

  • How long is the flight from Oregon to Singapore?

    For as low as S$ 1,444, Air Canada can have you in Singapore from Oregon in 20h 28m. The distance between Oregon and Singapore is about 13124 km. Both multi-stop and direct flights can be found to your destination and back.

  • What are the most popular routes from Oregon to Singapore?

  • Can I find deals for flights from Oregon to Singapore that include hotel bookings?

    Yes. In addition to deals on Oregon to Singapore flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Oregon to Singapore?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Oregon to Singapore.

  • Can I find deals for business class flights from Oregon to Singapore?

    Yes. Cheapflights offers flight deals from Oregon to Singapore by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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