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Cheap flights from Oregon to Singapore from S$ 573

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 16-7. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SIN
18 Jun — 25 Jun1
1 adult

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 13 June 2025.

Round-trip from

S$ 888

One-way from

S$ 573

Popular in

December

Cheapest in

September

Average price

S$ 1,397
Air Canada
  • Air Canada
  • 16-9-30-9
  • 2 total stops
  • 49h 16m total
  • Oregon to Singapore
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16-7
  • 16-7
  • 2 total stops
  • 36h 35m total
  • Oregon to Singapore
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (S$ 195 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (S$ 58 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2025
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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 13 June 2025.

Tue 16-919:40PDX - SIN
1 stop20h 25mAir Canada
Tue 30-909:10SIN - PDX
1 stop28h 51mAir Canada
Deal found 13-6S$ 888
Wed 24-919:40PDX - SIN
2 stops36h 40mMultiple Airlines
Wed 22-1008:00SIN - PDX
2 stops25h 46mMultiple Airlines
Deal found 10-6S$ 952
Wed 15-1007:00PDX - SIN
1 stop21h 10mSingapore Airlines
Wed 29-1009:15SIN - PDX
1 stop19h 08mSingapore Airlines
Deal found 13-6S$ 1,016
Tue 7-1014:44BOI - SIN
2 stops26h 21mAir Canada
Tue 14-1009:10SIN - BOI
2 stops42h 38mAir Canada
Deal found 10-6S$ 1,187
Wed 27-812:43BOI - SIN
2 stops52h 32mMultiple Airlines
Wed 3-920:30SIN - BOI
2 stops37h 20mMultiple Airlines
Deal found 11-6S$ 1,224
Tue 16-917:36PDX - SIN
2 stops39h 59mChina Airlines
Mon 20-1002:00SIN - PDX
2 stops53h 50mChina Airlines
Deal found 10-6S$ 1,251
Sat 2-816:55PDX - SIN
2 stops45h 05mKorean Air
Fri 8-807:30SIN - PDX
2 stops22h 23mKorean Air
Deal found 13-6S$ 1,270
Tue 7-1006:30BOI - SIN
1 stop21h 05mSingapore Airlines
Tue 14-1009:00SIN - BOI
1 stop19h 35mSingapore Airlines
Deal found 10-6S$ 1,283
Mon 15-910:38BOI - SIN
2 stops28h 22mKorean Air
Wed 24-901:10SIN - BOI
2 stops31h 21mKorean Air
Deal found 12-6S$ 1,284
Wed 15-1007:00PDX - SIN
2 stops26h 20mJapan Airlines
Tue 28-1002:20SIN - PDX
2 stops29h 30mJapan Airlines
Deal found 11-6S$ 1,301
Wed 17-919:35PDX - SIN
1 stop19h 40mUnited Airlines
Tue 30-908:45SIN - PDX
1 stop20h 57mUnited Airlines
Deal found 13-6S$ 1,312
Fri 19-905:30PDX - SIN
2 stops27h 10mDelta
Wed 22-1007:30SIN - PDX
2 stops24h 36mDelta
Deal found 10-6S$ 1,315

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 13 June 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

Tue 16-9

19:40-07:05

1 stop20h 25m

Singapore Changi

Tue 30-9

09:10-23:01

1 stop28h 51m

S$ 888

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Wed 24-9

19:40-23:20

2 stops36h 40m

Singapore Changi

Wed 22-10

08:00-18:46

2 stops25h 46m

S$ 952

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Wed 15-10

07:00-19:10

1 stop21h 10m

Singapore Changi

Wed 29-10

09:15-13:23

1 stop19h 08m

S$ 1,016

BoiseSingapore

BOI - SIN

BOISIN

Boise Air Term. Gowen Fld

Tue 7-10

14:44-07:05

2 stops26h 21m

Singapore Changi

Tue 14-10

09:10-13:48

2 stops42h 38m

S$ 1,187

BoiseSingapore

BOI - SIN

BOISIN

Boise Air Term. Gowen Fld

Wed 27-8

12:43-07:15

2 stops52h 32m

Singapore Changi

Wed 3-9

20:30-19:50

2 stops37h 20m

S$ 1,224

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Tue 16-9

17:36-00:35

2 stops39h 59m

Singapore Changi

Mon 20-10

02:00-16:50

2 stops53h 50m

S$ 1,251

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Sat 2-8

16:55-05:00

2 stops45h 05m

Singapore Changi

Fri 8-8

07:30-14:53

2 stops22h 23m

S$ 1,270

BoiseSingapore

BOI - SIN

BOISIN

Boise Air Term. Gowen Fld

Tue 7-10

06:30-17:35

1 stop21h 05m

Singapore Changi

Tue 14-10

09:00-14:35

1 stop19h 35m

S$ 1,283

BoiseSingapore

BOI - SIN

BOISIN

Boise Air Term. Gowen Fld

Mon 15-9

10:38-05:00

2 stops28h 22m

Singapore Changi

Wed 24-9

01:10-18:31

2 stops31h 21m

S$ 1,284

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Wed 15-10

07:00-00:20

2 stops26h 20m

Singapore Changi

Tue 28-10

02:20-16:50

2 stops29h 30m

S$ 1,301

Flights are sorted by cheapest return flights first.

Deals found on 11-6

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

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 13 June 2025.
Get a feel of what it's like to fly with STARLUX Airlines, EVA Air and Korean Air 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.
STARLUX Airlines
9.1
Wonderful
Check prices

Crew

9.3

Overall

9.1

Boarding

9.0

Comfort

9.0

Food

8.8

Entertainment

8.9

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
STARLUX Airlines
9.1
Wonderful
STARLUX Airlines
9.1
Wonderful
Check prices

Crew

9.3

Overall

9.1

Boarding

9.0

Comfort

9.0

Food

8.8

Entertainment

8.9

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
EVA Air
8.4
Very Good
1,202 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Crew

9.3

Overall

9.1

Boarding

9.0

Comfort

9.0

Food

8.8

Entertainment

8.9

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
Korean Air
8.4
Very Good
1,091 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Crew

9.3

Overall

9.1

Boarding

9.0

Comfort

9.0

Food

8.8

Entertainment

8.9

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
Japan Airlines
8.3
Very Good
1,490 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Crew

9.3

Overall

9.1

Boarding

9.0

Comfort

9.0

Food

8.8

Entertainment

8.9

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
China Airlines
8.3
Very Good
738 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Crew

9.3

Overall

9.1

Boarding

9.0

Comfort

9.0

Food

8.8

Entertainment

8.9

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

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 Air Canada. According to our data, you can fly for as low as S$ 586. Users have also found prices from S$ 727 and S$ 1,606 on United 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.

See more FAQs

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