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Cheap flights from Oregon to Singapore from S$ 418

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 30-8. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SIN
21 Apr — 28 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Oregon to Singapore

Enter your travel dates to find the best prices.

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 22 March 2026.

Thu 15-1007:00
PDX
-
SIN
1 stop21h 10m
Singapore Airlines
Wed 21-1009:15
SIN
-
PDX
1 stop22h 35m
Singapore Airlines
Deal found 17-3S$ 1,088
Thu 1-1007:00
PDX
-
SIN
1 stop21h 10m
Singapore Airlines
Sat 10-1009:15
SIN
-
PDX
1 stop19h 35m
Singapore Airlines
Deal found 17-3S$ 1,143
Wed 22-417:51
PDX
-
SIN
2 stops59h 19m
Multiple Airlines
Sun 3-523:10
SIN
-
PDX
2 stops39h 34m
Multiple Airlines
Deal found 17-3S$ 1,159
Sat 15-807:00
PDX
-
SIN
1 stop21h 10m
Singapore Airlines
Mon 31-820:45
SIN
-
PDX
1 stop27h 40m
Singapore Airlines
Deal found 20-3S$ 1,193
Wed 2-907:00
PDX
-
SIN
1 stop21h 10m
Singapore Airlines
Fri 18-909:00
SIN
-
PDX
1 stop22h 37m
Singapore Airlines
Deal found 17-3S$ 1,213
Thu 3-907:00
PDX
-
SIN
1 stop21h 10m
Singapore Airlines
Fri 11-909:00
SIN
-
PDX
1 stop22h 37m
Singapore Airlines
Deal found 21-3S$ 1,227
Thu 15-1017:35
PDX
-
SIN
2 stops24h 30m
Multiple Airlines
Wed 21-1023:05
SIN
-
PDX
2 stops35h 01m
Multiple Airlines
Deal found 17-3S$ 1,228
Thu 3-906:54
PDX
-
SIN
2 stops25h 26m
ANA
Fri 11-906:15
SIN
-
PDX
2 stops23h 32m
ANA
Deal found 21-3S$ 1,247
Wed 2-1221:50
PDX
-
SIN
1 stop29h 15m
Multiple Airlines
Fri 18-1209:00
SIN
-
PDX
1 stop17h 50m
Multiple Airlines
Deal found 18-3S$ 1,263
Wed 22-405:30
PDX
-
SIN
2 stops26h 50m
ANA
Fri 1-500:50
SIN
-
PDX
2 stops29h 07m
ANA
Deal found 19-3S$ 1,268
Wed 2-1214:30
PDX
-
SIN
1 stop23h 15m
Singapore Airlines
Fri 18-1209:00
SIN
-
PDX
1 stop19h 22m
Singapore Airlines
Deal found 19-3S$ 1,279
Tue 18-818:51
BOI
-
SIN
1 stop22h 49m
Multiple Airlines
Fri 28-809:15
SIN
-
BOI
1 stop21h 49m
Multiple Airlines
Deal found 20-3S$ 1,337

Find flight deals from Oregon to Singapore

Keep the following information in mind while searching for Oregon to Singapore flight deals. Data was last updated 22 March 2026.

Round-trip from

S$ 1,159

One-way from

S$ 418

Popular in

December

Cheapest in

May

Average price

S$ 1,254
22-4-3-5
  • 22-4-3-5
  • 4 total stops
  • 98h 53m total
  • Oregon to Singapore
Search Deals
Philippine Airlines
  • Philippine Airlines
  • 6-8
  • 2 total stops
  • 24h 35m total
  • Oregon to Singapore
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (S$ 257 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (S$ 97 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
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 22 March 2026.
Use the filters below to find and compare flights from Oregon to Singapore that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Thu 30-4

09:50-05:15

1 stop28h 25m

Singapore Changi

Thu 7-5

07:00-09:30

1 stop17h 30m

S$ 1,360

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Sat 15-8

06:30-21:55

2 stops48h 25m

Singapore Changi

Mon 31-8

23:10-23:54

2 stops39h 44m

S$ 1,363

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Sat 22-8

14:30-12:35

2 stops31h 05m

Singapore Changi

Tue 1-9

13:45-09:46

2 stops35h 01m

S$ 1,386

BoiseSingapore

BOI - SIN

BOISIN

Boise Air Term. Gowen Fld

Sun 3-5

09:02-08:50

2 stops33h 48m

Singapore Changi

Sat 9-5

03:15-22:27

2 stops33h 12m

S$ 1,468

EugeneSingapore

EUG - SIN

EUGSIN

Eugene

Thu 17-9

06:00-08:50

2 stops35h 50m

Singapore Changi

Mon 21-9

19:40-00:23

2 stops43h 43m

S$ 1,495

BoiseSingapore

BOI - SIN

BOISIN

Boise Air Term. Gowen Fld

Fri 1-5

06:00-17:35

1 stop21h 35m

Singapore Changi

Fri 8-5

14:00-23:59

2 stops23h 59m

S$ 1,501

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Mon 18-5

19:45-14:30

2 stops27h 45m

Singapore Changi

Tue 9-6

07:00-19:05

1 stop27h 05m

S$ 1,504

BoiseSingapore

BOI - SIN

BOISIN

Boise Air Term. Gowen Fld

Fri 1-5

09:02-15:45

2 stops40h 43m

Singapore Changi

Fri 8-5

19:40-18:34

2 stops36h 54m

S$ 1,542

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Fri 8-5

13:37-06:45

1 stop26h 08m

Singapore Changi

Wed 20-5

09:00-12:35

1 stop18h 35m

S$ 1,543

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Mon 18-5

05:30-18:35

1 stop22h 05m

Singapore Changi

Tue 9-6

20:35-00:50

1 stop19h 15m

S$ 1,543

Flights are sorted by cheapest return flights first.

Deals found on 18-3

Showing 1-10 of 38 resultsSorted by cheapest first
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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$ 888). Flying from Oregon to Singapore in July is currently the most expensive (average of S$ 1,132). 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$ 1,543, Air Canada can have you in Singapore from Oregon in 26h 08m. The distance between Oregon and Singapore is about 13073 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.

  • 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$ 888). Flying from Oregon to Singapore in July is currently the most expensive (average of S$ 1,132). 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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Why should you use Cheapflights to find cheap flight tickets from Oregon to Singapore?

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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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