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Cheap flights from Oregon to Singapore from S$ 541

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 4-2. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SIN
27 Jan — 3 Feb1
1 adult

Cheap flight deals from Oregon to Singapore

Discover tips and strategies to find the most affordable flight options for your journey from Oregon (USOR) to Singapore (SIN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 22 January 2025.

Round-trip from

S$ 1,013

One-way from

S$ 541
United Airlines
  • United Airlines
  • 28-4-23-5
  • 2 total stops
  • 47h 17m total
  • Oregon to Singapore
Search Deals
United Airlines
  • United Airlines
  • 4-2
  • 2 total stops
  • 35h 00m total
  • Oregon to Singapore
Search Deals

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 22 January 2025.

Mon 28-419:30PDX - SIN
1 stop20h 15mUnited Airlines
Fri 23-508:45SIN - PDX
1 stop27h 02mUnited Airlines
Deal found 21-1S$ 1,013
Mon 17-207:10PDX - SIN
2 stops25h 00mDelta
Sun 9-301:30SIN - PDX
2 stops37h 29mDelta
Deal found 21-1S$ 1,085
Thu 20-205:45BOI - SIN
2 stops27h 25mDelta
Wed 5-301:30SIN - BOI
2 stops33h 45mDelta
Deal found 21-1S$ 1,085
Fri 24-106:00PDX - SIN
2 stops26h 50mJapan Airlines
Sun 26-122:25SIN - PDX
2 stops32h 40mJapan Airlines
Deal found 21-1S$ 1,154
Mon 15-913:41BOI - SIN
2 stops50h 34mMultiple Airlines
Wed 24-901:50SIN - BOI
2 stops33h 24mMultiple Airlines
Deal found 22-1S$ 1,171
Wed 26-206:00PDX - SIN
2 stops26h 10mKorean Air
Mon 31-301:10SIN - PDX
2 stops27h 15mKorean Air
Deal found 21-1S$ 1,263
Mon 15-911:00BOI - SIN
2 stops28h 00mKorean Air
Thu 25-907:30SIN - BOI
2 stops23h 00mKorean Air
Deal found 22-1S$ 1,263
Thu 20-211:05BOI - SIN
1 stop29h 55mUnited Airlines
Thu 6-310:10SIN - BOI
2 stops26h 19mUnited Airlines
Deal found 21-1S$ 1,274
Thu 1-507:40PDX - SIN
1 stop20h 30mSingapore Airlines
Tue 20-509:15SIN - PDX
1 stop19h 21mSingapore Airlines
Deal found 21-1S$ 1,328
Thu 6-306:00PDX - SIN
2 stops26h 55mMultiple Airlines
Wed 12-301:25SIN - PDX
3 stops28h 19mMultiple Airlines
Deal found 21-1S$ 1,344
Sat 25-108:38EUG - SIN
2 stops30h 17mMultiple Airlines
Mon 27-122:20SIN - EUG
2 stops34h 26mMultiple Airlines
Deal found 21-1S$ 1,599
Tue 29-407:54PDX - SIN
2 stops25h 51mANA
Sun 18-522:10SIN - PDX
2 stops35h 07mANA
Deal found 21-1S$ 1,636

Find flights from Oregon to Singapore within your budget

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 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Mon 28-4

19:30-06:45

1 stop20h 15m

Singapore Changi

Fri 23-5

08:45-20:47

1 stop27h 02m

S$ 1,013

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Mon 17-2

05:15-05:00

2 stops31h 45m

Singapore Changi

Fri 7-3

01:30-16:33

2 stops31h 03m

S$ 1,085

BoiseSingapore

BOI - SIN

BOISIN

Boise Air Term. Gowen Fld

Thu 20-2

05:45-00:10

2 stops27h 25m

Singapore Changi

Wed 5-3

01:30-20:15

2 stops33h 45m

S$ 1,085

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Tue 18-2

15:05-19:05

1 stop36h 00m

Singapore Changi

Tue 11-3

09:15-13:01

1 stop18h 46m

S$ 1,154

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Wed 26-2

06:00-00:10

2 stops26h 10m

Singapore Changi

Mon 31-3

01:10-13:25

2 stops27h 15m

S$ 1,263

BoiseSingapore

BOI - SIN

BOISIN

Boise Air Term. Gowen Fld

Thu 20-2

11:05-08:00

1 stop29h 55m

Singapore Changi

Thu 6-3

10:10-21:29

2 stops26h 19m

S$ 1,274

BoiseSingapore

BOI - SIN

BOISIN

Boise Air Term. Gowen Fld

Thu 13-3

09:15-05:00

2 stops29h 45m

Singapore Changi

Thu 20-3

22:30-16:00

2 stops31h 30m

S$ 1,295

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Thu 6-3

06:00-00:55

2 stops26h 55m

Singapore Changi

Wed 12-3

01:25-14:44

3 stops28h 19m

S$ 1,344

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Tue 29-4

07:40-00:20

2 stops25h 40m

Singapore Changi

Mon 19-5

08:05-16:50

2 stops23h 45m

S$ 1,594

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Tue 29-4

07:54-00:45

2 stops25h 51m

Singapore Changi

Sun 18-5

22:10-18:17

2 stops35h 07m

S$ 1,636

Flights are sorted by cheapest return flights first.

Deals found on 21-1

Showing 1-10 of 29 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.

Travel insights for flights from Oregon to Singapore

Get recent, data-driven insights about flights from Oregon to Singapore including ideal travel times, pricing trends, and more.

Rainfall in Singapore by month

Plan your trip to Singapore by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Singapore ranges from 150.0 - 269.0 inches per month. December is typically the wettest month, when rainfall can reach 269.0 mm. July is typically the driest time to visit Singapore when rainfall is around 150.0 mm.

Temperature in Singapore by month

Plan your trip to Singapore by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Singapore, use this chart to help with planning. For those seeking warmer temperatures, March is the ideal time of year to visit, when temperatures reach an average of 28.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 26.0 C).

Reviews of airlines servicing Singapore

Get insights into the airlines that provide service to Singapore. 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 Singapore. Reviews last updated 22 January 2025.
Get a feel of what it's like to fly with United Airlines, Korean Air and Japan Airlines from Oregon to Singapore by reading reviews from past customers. 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.
Korean Air
8.5
Very Good
1,039 reviews
Check prices

Food

8.1

Entertainment

8.2

Comfort

8.3

Overall

8.5

Boarding

8.5

Crew

8.7

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Korean Air
8.5
Very Good
1,039 reviews
Korean Air
8.5
Very Good
1,039 reviews
Check prices

Food

8.1

Entertainment

8.2

Comfort

8.3

Overall

8.5

Boarding

8.5

Crew

8.7

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

ANA
8.4
Very Good
852 reviews
Korean Air
8.5
Very Good
1,039 reviews
Check prices

Food

8.1

Entertainment

8.2

Comfort

8.3

Overall

8.5

Boarding

8.5

Crew

8.7

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Japan Airlines
8.3
Very Good
1,447 reviews
Korean Air
8.5
Very Good
1,039 reviews
Check prices

Food

8.1

Entertainment

8.2

Comfort

8.3

Overall

8.5

Boarding

8.5

Crew

8.7

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Asiana Airlines
8.3
Very Good
466 reviews
Korean Air
8.5
Very Good
1,039 reviews
Check prices

Food

8.1

Entertainment

8.2

Comfort

8.3

Overall

8.5

Boarding

8.5

Crew

8.7

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Singapore Airlines
8.1
Very Good
1,328 reviews
Korean Air
8.5
Very Good
1,039 reviews
Check prices

Food

8.1

Entertainment

8.2

Comfort

8.3

Overall

8.5

Boarding

8.5

Crew

8.7

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

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.

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

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as S$ 541. Users have also found prices from S$ 551 and S$ 621 on Japan Airlines and Delta, respectively.

  • 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.

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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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