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Cheap flights from Oregon to Singapore from S$ 512

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 23-2. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SIN
16 Oct — 23 Oct1
1 adult
1 adult, Economy

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 16 September 2025.

Round-trip from

S$ 942

One-way from

S$ 512

Popular in

December

Cheapest in

September

Average price

S$ 965
Air Canada
  • Air Canada
  • 30-10-6-11
  • 2 total stops
  • 50h 25m total
  • Oregon to Singapore
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Air Canada
  • Air Canada
  • 23-2
  • 2 total stops
  • 37h 55m total
  • Oregon to Singapore
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (S$ 284 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (S$ 102 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2025
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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 16 September 2025.

Thu 30-1015:15PDX - SIN
1 stop24h 45mAir Canada
Thu 6-1108:50SIN - PDX
1 stop25h 40mAir Canada
Deal found 14-9S$ 942
Wed 29-1019:00PDX - SIN
1 stop21h 00mAir Canada
Wed 5-1123:10SIN - PDX
2 stops31h 35mAir Canada
Deal found 13-9S$ 951
Tue 16-910:00PDX - SIN
1 stop30h 05mAir Canada
Tue 30-906:15SIN - PDX
2 stops27h 31mAir Canada
Deal found 14-9S$ 958
Thu 30-1015:54PDX - SIN
2 stops24h 06mMultiple Airlines
Thu 6-1108:50SIN - PDX
1 stop16h 25mMultiple Airlines
Deal found 14-9S$ 961
Wed 29-1015:54PDX - SIN
2 stops24h 06mMultiple Airlines
Wed 5-1123:10SIN - PDX
2 stops31h 35mMultiple Airlines
Deal found 13-9S$ 970
Tue 16-906:15PDX - SIN
2 stops27h 35mMultiple Airlines
Tue 30-906:15SIN - PDX
2 stops23h 31mMultiple Airlines
Deal found 14-9S$ 993
Sat 1-1123:20PDX - SIN
2 stops40h 40mMultiple Airlines
Sun 16-1121:00SIN - PDX
2 stops28h 15mMultiple Airlines
Deal found 14-9S$ 1,017
Fri 17-1019:40PDX - SIN
1 stop20h 25mAir Canada
Sat 25-1009:10SIN - PDX
1 stop28h 51mAir Canada
Deal found 15-9S$ 1,018
Fri 17-1009:55PDX - SIN
1 stop30h 10mMultiple Airlines
Sat 25-1009:10SIN - PDX
2 stops23h 11mMultiple Airlines
Deal found 15-9S$ 1,044
Fri 31-1006:28BOI - SIN
1 stop21h 17mMultiple Airlines
Fri 7-1109:15SIN - BOI
1 stop27h 53mMultiple Airlines
Deal found 15-9S$ 1,339
Mon 15-907:45BOI - SIN
1 stop20h 40mUnited Airlines
Thu 25-908:45SIN - BOI
1 stop24h 30mUnited Airlines
Deal found 15-9S$ 1,362
Tue 25-1110:40BOI - SIN
1 stop30h 20mUnited Airlines
Sun 18-110:45SIN - BOI
2 stops48h 06mUnited Airlines
Deal found 16-9S$ 1,366

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 16 September 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

Thu 30-10

15:15-07:00

1 stop24h 45m

Singapore Changi

Thu 6-11

08:50-18:30

1 stop25h 40m

S$ 942

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Mon 16-2

09:50-04:55

2 stops27h 05m

Singapore Changi

Sun 1-3

08:50-18:30

1 stop25h 40m

S$ 989

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Sat 1-11

19:00-00:25

2 stops38h 25m

Singapore Changi

Sun 16-11

08:50-18:30

1 stop25h 40m

S$ 1,053

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Sun 25-1

17:10-00:10

2 stops39h 00m

Singapore Changi

Tue 3-2

01:35-13:14

2 stops27h 39m

S$ 1,093

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Fri 5-12

07:15-00:10

2 stops24h 55m

Singapore Changi

Mon 15-12

10:40-18:58

2 stops24h 18m

S$ 1,117

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Mon 16-2

21:30-17:45

1 stop28h 15m

Singapore Changi

Sun 1-3

19:00-23:59

1 stop20h 59m

S$ 1,198

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Tue 4-11

07:30-20:25

2 stops44h 55m

Singapore Changi

Fri 14-11

01:35-16:22

2 stops30h 47m

S$ 1,232

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Mon 16-2

19:45-00:40

2 stops36h 55m

Singapore Changi

Sat 28-2

02:00-06:18

2 stops44h 18m

S$ 1,309

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Wed 8-10

07:30-18:25

1 stop19h 55m

Singapore Changi

Wed 22-10

08:45-21:06

2 stops27h 21m

S$ 1,318

BoiseSingapore

BOI - SIN

BOISIN

Boise Air Term. Gowen Fld

Fri 31-10

06:28-17:45

1 stop21h 17m

Singapore Changi

Fri 7-11

09:15-22:08

1 stop27h 53m

S$ 1,339

Flights are sorted by cheapest return flights first.

Deals found on 14-9

Showing 1-10 of 24 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

How much does it cost for a return flight from Oregon to Singapore?

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$ 1,362, Air Canada can have you in Singapore from Oregon in 20h 40m. The distance between Oregon and Singapore is about 13609 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?

    The most popular route from Oregon to Singapore is Portland - Singapore Changi. You may also consider Boise Air Term. Gowen Fld - Singapore Changi or Eugene - Singapore Changi.

  • 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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Why should you use Cheapflights to find cheap flight tickets from Oregon to Singapore?

Cheapflights helps you find that perfect flight to Singapore from Oregon by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Oregon to Singapore with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Oregon to Singapore flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Oregon to Singapore become cheaper?

Yes! Start tracking prices for Oregon to Singapore flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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