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Cheap flights from Singapore to Oregon from S$ 646

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 28-11. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — PDX
27 Nov — 4 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Singapore to Oregon

Keep the following information in mind while searching for Singapore to Oregon flight deals. Data was last updated 28 October 2025.

Round-trip from

S$ 1,040

One-way from

S$ 646

Popular in

April

Cheapest in

February

Average price

S$ 1,866
Air Canada
  • Air Canada
  • 25-11-4-12
  • 2 total stops
  • 41h 50m total
  • Singapore to Oregon
Search Deals
Air Canada
  • Air Canada
  • 28-11
  • 1 total stop
  • 16h 25m total
  • Singapore to Oregon
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (S$ 364 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (S$ 52 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Find flight deals from Singapore to Oregon

Enter your travel dates to find the best prices.

Cheapest flights from Singapore to Oregon
Explore the most affordable flight options available from Singapore to Oregon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 October 2025.

Tue 25-1108:50SIN - PDX
1 stop21h 50mAir Canada
Thu 4-1219:00PDX - SIN
1 stop20h 00mAir Canada
Deal found 25-10S$ 1,040
Mon 10-1113:15SIN - PDX
2 stops33h 02mEVA Air
Wed 10-1220:44PDX - SIN
2 stops23h 21mEVA Air
Deal found 26-10S$ 1,236
Mon 10-1121:00SIN - PDX
2 stops28h 15mAir Canada
Wed 10-1219:00PDX - SIN
1 stop20h 00mAir Canada
Deal found 26-10S$ 1,246
Sun 9-1115:45SIN - PDX
2 stops24h 24mMultiple Airlines
Tue 9-1220:44PDX - SIN
2 stops23h 21mMultiple Airlines
Deal found 26-10S$ 1,254
Mon 10-1115:45SIN - PDX
2 stops23h 52mMultiple Airlines
Tue 9-1219:44PDX - SIN
2 stops24h 21mMultiple Airlines
Deal found 26-10S$ 1,259
Sun 9-1115:45SIN - PDX
2 stops24h 24mMultiple Airlines
Thu 11-1219:44PDX - SIN
2 stops24h 21mMultiple Airlines
Deal found 26-10S$ 1,293
Mon 10-1115:45SIN - PDX
2 stops23h 52mMultiple Airlines
Thu 11-1219:44PDX - SIN
2 stops24h 21mMultiple Airlines
Deal found 26-10S$ 1,298
Thu 13-1114:45SIN - BOI
2 stops22h 35mSTARLUX Airlines
Mon 17-1120:50BOI - SIN
2 stops25h 35mSTARLUX Airlines
Deal found 26-10S$ 1,314
Thu 13-1108:50SIN - PDX
2 stops31h 36mAir Canada
Tue 9-1209:50PDX - SIN
1 stop29h 10mAir Canada
Deal found 26-10S$ 1,338
Sat 8-1114:45SIN - PDX
2 stops21h 52mSTARLUX Airlines
Wed 10-1217:49PDX - SIN
2 stops27h 36mSTARLUX Airlines
Deal found 26-10S$ 1,346
Thu 13-1108:50SIN - PDX
2 stops31h 36mAir Canada
Mon 8-1215:15PDX - SIN
2 stops31h 35mAir Canada
Deal found 26-10S$ 1,350
Tue 11-1108:50SIN - PDX
1 stop21h 50mAir Canada
Tue 9-1209:50PDX - SIN
1 stop29h 10mAir Canada
Deal found 26-10S$ 1,355

Cheapflights Fare Finder

 
Customise your flight search to find flights from Singapore to Oregon 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 28 October 2025.
Use the filters below to find and compare flights from Singapore to Oregon that are best for you.

Fly from

Singapore

Fly to

Oregon

Route

Depart

Return

Price

SingaporeBoise

SIN - BOI

SINBOI

Singapore Changi

Thu 13-11

14:45-22:20

2 stops22h 35m

Boise Air Term. Gowen Fld

Mon 17-11

20:50-13:25

2 stops25h 35m

S$ 1,314

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Sat 8-11

14:45-20:37

2 stops21h 52m

Portland

Wed 10-12

17:49-13:25

2 stops27h 36m

S$ 1,346

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Sun 9-11

14:45-20:37

2 stops21h 52m

Portland

Mon 8-12

16:38-13:25

2 stops28h 47m

S$ 1,346

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Sat 8-11

14:45-20:37

2 stops21h 52m

Portland

Sun 7-12

17:49-13:25

2 stops27h 36m

S$ 1,346

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Sat 17-1

14:45-20:47

2 stops22h 02m

Portland

Wed 8-4

17:30-12:40

2 stops28h 10m

S$ 1,346

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Fri 14-11

14:45-20:37

2 stops21h 52m

Portland

Tue 18-11

17:30-13:25

2 stops27h 55m

S$ 1,360

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Mon 10-11

14:45-18:49

2 stops20h 04m

Portland

Thu 13-11

17:30-13:25

2 stops27h 55m

S$ 1,367

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Sat 8-11

14:45-20:37

2 stops21h 52m

Portland

Thu 11-12

17:49-13:25

2 stops27h 36m

S$ 1,371

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Fri 7-11

14:45-20:37

2 stops21h 52m

Portland

Sun 7-12

16:38-13:25

2 stops28h 47m

S$ 1,379

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 13-11

01:25-20:50

2 stops35h 25m

Portland

Tue 18-11

14:50-11:55

2 stops29h 05m

S$ 1,556

Flights are sorted by cheapest return flights first.

Deals found on 26-10

Showing 1-10 of 27 results
1
2
3

Best time to book a flight from Singapore to Oregon

Have a flexible travel schedule? Discover the best time to fly to Oregon from Singapore 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 Singapore to Oregon

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

Currently, December is the cheapest month in which you can book a flight from Singapore to Oregon (average of S$ 847). Flying from Singapore to Oregon in October is currently the most expensive (average of S$ 1,694). 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.

Reviews of airlines servicing Oregon

Get insights into the airlines that provide service to Oregon. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Oregon. Reviews last updated 28 October 2025.
Read reviews from past customers who have flown with Singapore Airlines and Air Canada from Singapore to Oregon. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very Good
1,388 reviews
Check prices

Entertainment

8.0

Food

7.7

Comfort

8.0

Boarding

8.3

Overall

8.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Singapore Airlines
8.1
Very Good
1,388 reviews
Singapore Airlines
8.1
Very Good
1,388 reviews
Check prices

Entertainment

8.0

Food

7.7

Comfort

8.0

Boarding

8.3

Overall

8.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Air Canada
7.1
Good
10,370 reviews
Singapore Airlines
8.1
Very Good
1,388 reviews
Check prices

Entertainment

8.0

Food

7.7

Comfort

8.0

Boarding

8.3

Overall

8.1

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.

Related info for your journey

Find useful and relevant information for your journey from Singapore to Oregon. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Singapore to Oregon?

    Departing from Singapore to Oregon will take you 22h 35m. Singapore and Oregon are separated by a distance of 13609 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines to fly from Singapore to Oregon one-way?

    To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at S$ 646. STARLUX Airlines flights start at S$ 831 while deals on China Airlines start at S$ 872 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Singapore to Oregon 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 Singapore to Oregon?

    Currently, December is the cheapest month in which you can book a flight from Singapore to Oregon (average of S$ 847). Flying from Singapore to Oregon in October is currently the most expensive (average of S$ 1,694). 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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Alternative routes for Singapore to Oregon

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Singapore to Oregon

Discover the top 2 airlines that operate flights from Singapore to Oregon. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 200,618 searches. Data last updated 28 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestS$ 1,215AverageS$ 1,409FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Singapore AirlinesCheapestS$ 1,264AverageS$ 1,866FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Singapore to Oregon?

Deals for Singapore to Oregon flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Oregon from Singapore.

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

Yes, we can. To see specific flights from Singapore to Oregon with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes! Start tracking prices for Singapore to Oregon 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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