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$548+ Cheap flights from Oregon to Singapore (SIN)

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 8/7. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SIN
Feb 27 — Mar 61
Thu 2/27
Thu 3/6
1 adult, Economy
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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 February 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$757
(Justfly.com)

One-way from

$548
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$922
Provider with most accurate pricing for Portland-Singapore Changi flight deals.
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Provider most trusted by Cheapflights users for Portland-Singapore Changi flights.
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From Oregon to Singapore Changi
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One-way flight from Oregon to Singapore Changi
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Highest demand for flights based on searches. 10% potential increase in price ($134 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 22, 2025.

This Air Canada deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/47:40 pmPDX - SIN
1 stop20h 25mAir Canada
Thu 9/259:10 amSIN - PDX
1 stop28h 46mAir Canada
Deal found 2/21$706
This Air Canada deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/43:25 pmPDX - SIN
2 stops45h 30mMultiple Airlines
Tue 11/252:20 amSIN - PDX
2 stops23h 14mMultiple Airlines
Deal found 2/21$749
This Delta deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/45:15 amPDX - SIN
2 stops26h 55mDelta
Thu 3/61:30 amSIN - PDX
2 stops33h 24mDelta
Deal found 2/21$801
This Japan Airlines deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/151:41 pmBOI - SIN
2 stops50h 29mMultiple Airlines
Wed 9/241:55 amSIN - BOI
2 stops24h 39mMultiple Airlines
Deal found 2/21$864
This deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/157:30 pmPDX - SIN
1 stop20h 15mUnited Airlines
Tue 4/229:00 amSIN - PDX
1 stop18h 33mUnited Airlines
Deal found 2/20$870
This Justfly.com deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1511:00 amBOI - SIN
2 stops22h 40mKorean Air
Thu 9/257:30 amSIN - BOI
2 stops23h 00mKorean Air
Deal found 2/21$932
This United Airlines deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/72:00 pmBOI - SIN
1 stop26h 45mUnited Airlines
Mon 4/148:40 pmSIN - BOI
1 stop28h 44mUnited Airlines
Deal found 2/21$936
This Delta deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/77:55 amBOI - SIN
2 stops31h 05mDelta
Sun 4/131:10 amSIN - BOI
2 stops33h 22mDelta
Deal found 2/21$1,029
This Ovago deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2110:29 amPDX - SIN
2 stops27h 31mKorean Air
Tue 8/127:30 amSIN - PDX
2 stops23h 58mKorean Air
Deal found 2/21$1,054
This Ovago deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/176:05 amPDX - SIN
2 stops32h 20mChina Eastern
Tue 4/2912:55 amSIN - PDX
2 stops29h 58mChina Eastern
Deal found 2/21$1,103
This oojo deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/55:37 pmPDX - SIN
2 stops26h 18mCathay Pacific
Sat 3/152:05 pmSIN - PDX
3 stops33h 31mCathay Pacific
Deal found 2/21$1,141
This United Airlines deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/236:00 amEUG - SIN
1 stop23h 15mUnited Airlines
Sun 3/308:40 pmSIN - EUG
2 stops63h 53mUnited Airlines
Deal found 2/21$1,315

Find flights from Oregon to Singapore within your budget

Customize 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 2,558,603 searches. Data last updated February 22, 2025.

Fly from

Oregon

Fly to

Singapore

Route

Depart

Return

Price

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Wed 4/16

7:05 pm-2:30 pm

2 stops28h 25m

Singapore Changi

Thu 5/1

8:50 pm-2:40 pm

2 stops32h 50m

$757

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Tue 3/4

5:15 am-12:10 am

2 stops26h 55m

Singapore Changi

Thu 3/6

1:30 am-6:54 pm

2 stops33h 24m

$801

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Thu 4/17

6:00 am-7:05 am

1 stop34h 05m

Singapore Changi

Wed 4/30

4:00 pm-2:40 pm

2 stops37h 40m

$809

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Tue 4/15

7:30 pm-6:45 am

1 stop20h 15m

Singapore Changi

Tue 4/22

9:00 am-12:33 pm

1 stop18h 33m

$870

BoiseSingapore

BOI - SIN

BOISIN

Boise Air Term. Gowen Fld

Mon 4/7

2:00 pm-6:45 am

1 stop26h 45m

Singapore Changi

Mon 4/14

8:40 pm-11:24 am

1 stop28h 44m

$936

BoiseSingapore

BOI - SIN

BOISIN

Boise Air Term. Gowen Fld

Sun 3/23

7:15 am-12:10 am

2 stops26h 55m

Singapore Changi

Sun 3/30

10:30 pm-10:50 pm

2 stops38h 20m

$1,008

BoiseSingapore

BOI - SIN

BOISIN

Boise Air Term. Gowen Fld

Mon 4/7

7:55 am-5:00 am

2 stops31h 05m

Singapore Changi

Sun 4/13

1:10 am-8:32 pm

2 stops33h 22m

$1,029

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Mon 7/21

10:29 am-5:00 am

2 stops27h 31m

Singapore Changi

Tue 8/12

7:30 am-4:28 pm

2 stops23h 58m

$1,054

BoiseSingapore

BOI - SIN

BOISIN

Boise Air Term. Gowen Fld

Mon 4/7

6:00 am-5:30 am

3 stops33h 30m

Singapore Changi

Mon 4/14

4:05 pm-1:15 pm

2 stops35h 10m

$1,101

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Thu 4/17

6:05 am-5:25 am

2 stops32h 20m

Singapore Changi

Tue 4/29

12:55 am-3:53 pm

2 stops29h 58m

$1,103

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/21

Showing 1-10 of 36 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 round-trip 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.

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 $1,011). Flying from Oregon to Singapore in December is currently the most expensive (average of $1,684). 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.

What is the cheapest time of day to fly from OR to SIN?

Find hourly flight availability from Oregon to Singapore. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 22, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Oregon to Singapore as you normally would.

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 5.9 - 10.6 inches per month. December is typically the wettest month, when rainfall can reach 10.6 in. July is typically the driest time to visit Singapore when rainfall is around 5.9 in.

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 82.4 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 78.8 F).

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 February 22, 2025.
Read reviews from past customers who have flown STARLUX Airlines, Korean Air and ANA from Oregon to Singapore. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.1
Wonderful
140 reviews

Crew

9.3

Overall

9.1

Boarding

9.1

Comfort

9.0

Food

9.0

Entertainment

9.1

Reviews

1 / 5

10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

STARLUX Airlines
9.1
Wonderful
140 reviews
STARLUX Airlines
9.1
Wonderful
140 reviews

Crew

9.3

Overall

9.1

Boarding

9.1

Comfort

9.0

Food

9.0

Entertainment

9.1

Reviews

1 / 5

10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

Korean Air
8.4
Very good
1,037 reviews
STARLUX Airlines
9.1
Wonderful
140 reviews

Crew

9.3

Overall

9.1

Boarding

9.1

Comfort

9.0

Food

9.0

Entertainment

9.1

Reviews

1 / 5

10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

ANA
8.4
Very good
836 reviews
STARLUX Airlines
9.1
Wonderful
140 reviews

Crew

9.3

Overall

9.1

Boarding

9.1

Comfort

9.0

Food

9.0

Entertainment

9.1

Reviews

1 / 5

10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

Japan Airlines
8.3
Very good
1,440 reviews
STARLUX Airlines
9.1
Wonderful
140 reviews

Crew

9.3

Overall

9.1

Boarding

9.1

Comfort

9.0

Food

9.0

Entertainment

9.1

Reviews

1 / 5

10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

Emirates
8.1
Very good
3,276 reviews
STARLUX Airlines
9.1
Wonderful
140 reviews

Crew

9.3

Overall

9.1

Boarding

9.1

Comfort

9.0

Food

9.0

Entertainment

9.1

Reviews

1 / 5

10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

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 10.5 mi from the city center, 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?

    $577 is the cheapest one-way deal found within the past few days, from Alaska Airlines. You may also be able to find cheap deals on Cathay Pacific and Air Canada, with prices starting from $620 and $632, respectively.

  • What are the most popular routes from Oregon to Singapore?

    Most travelers choose Portland - Singapore Changi, Boise Air Term. Gowen Fld - Singapore Changi or Eugene - Singapore Changi when deciding on the best route from Oregon to Singapore.

  • 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 vacation 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 $1,011). Flying from Oregon to Singapore in December is currently the most expensive (average of $1,684). 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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Top 3 airlines flying from Oregon to Singapore

Discover the top 3 airlines that operate flights from Oregon to Singapore. 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 2,558,603 searches. Data last updated February 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$727Average$1,084FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$845Average$1,260FlexibilityNo cancel feeOn-time69%
Singapore AirlinesCheapest$1,023Average$1,285FlexibilityNo cancel feeOn-time81%
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