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Cheap flights from Oregon to Singapore from S$ 501

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 6-11. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SIN
19 Nov — 26 Nov1
1 adult
1 adult, Economy

Find flight deals from Oregon to Singapore

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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 20 October 2025.

Fri 7-1115:15PDX - SIN
2 stops28h 00mAir Canada
Sun 16-1121:00SIN - PDX
2 stops28h 15mAir Canada
Deal found 19-10S$ 994
Sat 1-1123:20PDX - SIN
2 stops40h 40mMultiple Airlines
Sun 16-1121:00SIN - PDX
2 stops28h 15mMultiple Airlines
Deal found 19-10S$ 1,028
Wed 3-1207:15PDX - SIN
2 stops24h 55mKorean Air
Tue 9-1201:35SIN - PDX
2 stops27h 38mKorean Air
Deal found 19-10S$ 1,116
Sat 1-1119:38PDX - SIN
2 stops44h 22mAir Canada
Sun 16-1108:50SIN - PDX
2 stops25h 46mAir Canada
Deal found 18-10S$ 1,161
Wed 3-1219:00PDX - SIN
1 stop20h 00mMultiple Airlines
Wed 10-1209:30SIN - PDX
2 stops25h 00mMultiple Airlines
Deal found 19-10S$ 1,169
Sat 15-1119:00PDX - SIN
2 stops27h 50mMultiple Airlines
Sat 29-1123:55SIN - PDX
2 stops49h 20mMultiple Airlines
Deal found 20-10S$ 1,248
Wed 3-1221:44PDX - SIN
1 stop28h 01mSingapore Airlines
Wed 10-1220:45SIN - PDX
1 stop28h 51mSingapore Airlines
Deal found 19-10S$ 1,256
Tue 4-1108:41BOI - SIN
1 stop43h 24mMultiple Airlines
Thu 13-1109:00SIN - BOI
1 stop21h 12mMultiple Airlines
Deal found 18-10S$ 1,297
Sat 25-1009:30BOI - SIN
2 stops31h 30mUnited Airlines
Wed 29-1010:10SIN - BOI
2 stops26h 35mUnited Airlines
Deal found 19-10S$ 1,365
Tue 25-1119:00BOI - SIN
1 stop22h 00mUnited Airlines
Sun 18-110:10SIN - BOI
1 stop28h 38mUnited Airlines
Deal found 18-10S$ 1,366
Sat 15-1119:00PDX - SIN
2 stops24h 15mAir Canada
Sat 29-1108:50SIN - PDX
1 stop16h 25mAir Canada
Deal found 20-10S$ 1,367
Tue 4-1116:57BOI - SIN
2 stops29h 28mSTARLUX Airlines
Thu 13-1114:45SIN - BOI
2 stops22h 35mSTARLUX Airlines
Deal found 18-10S$ 1,367

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 20 October 2025.

Round-trip from

S$ 994

One-way from

S$ 501

Popular in

December

Cheapest in

September

Average price

S$ 1,204
Air Canada
  • Air Canada
  • 7-11-16-11
  • 4 total stops
  • 56h 15m total
  • Oregon to Singapore
Search Deals
Air Canada
  • Air Canada
  • 6-11
  • 1 total stop
  • 23h 45m total
  • Oregon to Singapore
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (S$ 318 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (S$ 104 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 20 October 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

Mon 16-2

09:50-04:55

2 stops27h 05m

Singapore Changi

Sun 1-3

08:50-14:40

1 stop21h 50m

S$ 1,000

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Thu 15-1

07:10-00:10

2 stops25h 00m

Singapore Changi

Sun 15-2

22:30-16:29

2 stops33h 59m

S$ 1,121

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Sat 17-1

17:10-00:10

2 stops39h 00m

Singapore Changi

Sun 15-2

22:30-16:15

2 stops33h 45m

S$ 1,154

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Thu 15-1

06:30-00:10

2 stops25h 40m

Singapore Changi

Sat 14-2

22:30-13:14

2 stops30h 44m

S$ 1,154

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Tue 10-3

06:30-00:10

2 stops26h 40m

Singapore Changi

Thu 12-3

22:30-19:29

2 stops35h 59m

S$ 1,154

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Mon 12-1

07:10-00:10

2 stops25h 00m

Singapore Changi

Sat 14-2

01:35-16:29

2 stops30h 54m

S$ 1,154

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Thu 15-1

09:50-07:00

1 stop29h 10m

Singapore Changi

Sat 14-2

08:50-09:15

1 stop16h 25m

S$ 1,160

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Wed 14-1

19:00-07:00

1 stop20h 00m

Singapore Changi

Mon 16-2

23:55-18:30

2 stops34h 35m

S$ 1,169

EugeneSingapore

EUG - SIN

EUGSIN

Eugene

Mon 12-1

06:00-20:15

1 stop22h 15m

Singapore Changi

Wed 18-2

10:10-12:16

1 stop18h 06m

S$ 1,327

EugeneSingapore

EUG - SIN

EUGSIN

Eugene

Tue 13-1

06:00-20:15

1 stop22h 15m

Singapore Changi

Mon 16-2

10:10-12:16

1 stop18h 06m

S$ 1,327

Flights are sorted by cheapest return flights first.

Deals found on 20-10

Showing 1-10 of 31 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

What is the cheapest month to book a flight from Oregon to Singapore?

Currently, September is the cheapest month in which you can book a flight from Oregon to Singapore (average of S$ 897). Flying from Oregon to Singapore in December is currently the most expensive (average of S$ 1,157). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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$ 1,327, Air Canada can have you in Singapore from Oregon in 22h 15m. 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?

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

  • What is the cheapest month to book a flight from Oregon to Singapore?

    Currently, September is the cheapest month in which you can book a flight from Oregon to Singapore (average of S$ 897). Flying from Oregon to Singapore in December is currently the most expensive (average of S$ 1,157). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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

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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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