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Cheap flights from Oregon to Singapore from S$ 536

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 6-8. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SIN
6 Aug — 13 Aug1
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 7 July 2026.

Wed 26-807:03
PDX
-
SIN
1 stop21h 07m
Multiple Airlines
Wed 9-909:05
SIN
-
PDX
1 stop22h 45m
Multiple Airlines
Deal found 3-7S$ 1,260
Tue 3-1121:30
PDX
-
SIN
2 stops49h 25m
Qatar Airways
Mon 16-1103:15
SIN
-
PDX
2 stops28h 10m
Qatar Airways
Deal found 2-7S$ 1,299
Wed 26-817:41
PDX
-
SIN
2 stops24h 24m
Multiple Airlines
Tue 8-907:00
SIN
-
PDX
1 stop17h 31m
Multiple Airlines
Deal found 6-7S$ 1,333
Wed 26-807:03
PDX
-
SIN
1 stop21h 07m
Singapore Airlines
Tue 8-909:05
SIN
-
PDX
1 stop19h 45m
Singapore Airlines
Deal found 6-7S$ 1,337
Wed 26-807:03
PDX
-
SIN
1 stop21h 07m
Multiple Airlines
Sat 12-907:30
SIN
-
PDX
2 stops22h 00m
Multiple Airlines
Deal found 3-7S$ 1,340
Mon 16-1119:35
PDX
-
SIN
2 stops31h 15m
Multiple Airlines
Mon 30-1123:10
SIN
-
PDX
2 stops31h 31m
Multiple Airlines
Deal found 2-7S$ 1,342
Wed 26-807:03
PDX
-
SIN
1 stop21h 07m
Multiple Airlines
Fri 11-907:30
SIN
-
PDX
2 stops22h 00m
Multiple Airlines
Deal found 3-7S$ 1,353
Tue 3-1110:00
PDX
-
SIN
1 stop29h 00m
Air Canada
Tue 17-1108:40
SIN
-
PDX
2 stops31h 55m
Air Canada
Deal found 2-7S$ 1,356
Thu 20-810:14
BOI
-
SIN
2 stops39h 31m
Qatar Airways
Mon 31-819:40
SIN
-
BOI
2 stops40h 47m
Qatar Airways
Deal found 5-7S$ 1,402
Sat 12-910:14
BOI
-
SIN
2 stops39h 31m
Qatar Airways
Sun 20-919:40
SIN
-
BOI
2 stops40h 47m
Qatar Airways
Deal found 7-7S$ 1,472
Tue 27-1006:15
BOI
-
SIN
1 stop24h 00m
United Airlines
Thu 29-1010:10
SIN
-
BOI
1 stop20h 49m
United Airlines
Deal found 2-7S$ 1,494
Sat 12-919:05
BOI
-
SIN
1 stop33h 30m
United Airlines
Sun 20-908:45
SIN
-
BOI
1 stop24h 34m
United Airlines
Deal found 6-7S$ 1,502

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 7 July 2026.

Round-trip from

S$ 1,260

One-way from

S$ 536

Popular in

December

Cheapest in

January

Average price

S$ 1,515
26-8-9-9
  • 26-8-9-9
  • 2 total stops
  • 43h 52m 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. 9% potential increase in price (S$ 188 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (S$ 102 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 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 7 July 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

Wed 11-11

07:05-14:55

2 stops39h 50m

Singapore Changi

Sun 6-12

03:15-16:37

2 stops29h 22m

S$ 1,377

BoiseSingapore

BOI - SIN

BOISIN

Boise Air Term. Gowen Fld

Thu 20-8

10:14-15:45

2 stops39h 31m

Singapore Changi

Sun 30-8

03:15-22:27

2 stops33h 12m

S$ 1,474

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Sat 15-8

11:15-06:15

1 stop28h 00m

Singapore Changi

Mon 31-8

08:45-22:45

1 stop29h 00m

S$ 1,481
Fastest return journey

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Wed 11-11

06:53-20:15

1 stop21h 22m

Singapore Changi

Mon 7-12

22:20-00:54

1 stop18h 34m

S$ 1,481

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Mon 17-8

11:15-06:15

1 stop28h 00m

Singapore Changi

Tue 1-9

20:35-10:11

1 stop28h 36m

S$ 1,481

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Mon 26-10

05:30-20:15

1 stop23h 45m

Singapore Changi

Thu 29-10

10:10-21:02

1 stop25h 52m

S$ 1,481

BoiseSingapore

BOI - SIN

BOISIN

Boise Air Term. Gowen Fld

Thu 20-8

06:15-18:35

1 stop22h 20m

Singapore Changi

Mon 31-8

08:45-19:24

1 stop24h 39m

S$ 1,494

BoiseSingapore

BOI - SIN

BOISIN

Boise Air Term. Gowen Fld

Tue 27-10

06:15-20:15

1 stop24h 00m

Singapore Changi

Thu 29-10

10:10-16:59

1 stop20h 49m

S$ 1,494

BoiseSingapore

BOI - SIN

BOISIN

Boise Air Term. Gowen Fld

Sat 22-8

08:15-18:35

1 stop20h 20m

Singapore Changi

Wed 26-8

08:45-19:24

1 stop24h 39m

S$ 1,494

BoiseSingapore

BOI - SIN

BOISIN

Boise Air Term. Gowen Fld

Wed 2-9

19:05-06:15

1 stop21h 10m

Singapore Changi

Sun 13-9

08:45-19:19

1 stop24h 34m

S$ 1,494

Flights are sorted by cheapest return flights first.

Deals found on 4-7

Showing 1-10 of 23 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, August is the cheapest month in which you can book a flight from Oregon to Singapore (average of S$ 270). Flying from Oregon to Singapore in June is currently the most expensive (average of S$ 1,228). 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.

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

How far ahead should I book a flight from Oregon to Singapore?

The price you pay for your flight from Oregon to Singapore may vary depending on when you book. For the best chance of a lower fare, look to book 46 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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$ 1,481, Qatar Airways can have you in Singapore from Oregon in 28h. 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 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, August is the cheapest month in which you can book a flight from Oregon to Singapore (average of S$ 270). Flying from Oregon to Singapore in June is currently the most expensive (average of S$ 1,228). 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?

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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