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$399+ 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 2/7. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SIN
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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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 January 21, 2025.

Round-trip from

$747
(United Airlines)

One-way from

$399
(United Airlines)
From Oregon to Singapore Changi
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One-way flight from Oregon to Singapore Changi
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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 January 21, 2025.

This Gotogate deal was found by Cheapflights users on 1/20. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/286:00 amPDX - SIN
2 stops32h 40mJapan Airlines
Wed 2/128:15 amSIN - PDX
2 stops27h 56mJapan Airlines
Deal found 1/20$753
This Travelocity deal was found by Cheapflights users on 1/20. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/138:00 amPDX - SIN
2 stops25h 20mMultiple Airlines
Mon 10/208:05 amSIN - PDX
2 stops23h 23mMultiple Airlines
Deal found 1/20$787
This Delta deal was found by Cheapflights users on 1/21. 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.
Wed 2/125:15 amPDX - SIN
2 stops26h 55mDelta
Wed 3/511:00 amSIN - PDX
2 stops28h 58mDelta
Deal found 1/21$800
This Delta deal was found by Cheapflights users on 1/21. 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.
Thu 2/207:55 amBOI - SIN
2 stops30h 05mDelta
Wed 3/51:30 amSIN - BOI
2 stops33h 45mDelta
Deal found 1/21$800
This United Airlines deal was found by Cheapflights users on 1/21. 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.
Wed 2/126:03 amPDX - SIN
1 stop22h 12mUnited Airlines
Tue 3/410:20 pmSIN - PDX
1 stop18h 15mUnited Airlines
Deal found 1/21$870
This Justfly.com deal was found by Cheapflights users on 1/19. 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.
Fri 2/146:00 amPDX - SIN
2 stops26h 10mKorean Air
Thu 2/201:30 amSIN - PDX
2 stops27h 26mKorean Air
Deal found 1/19$931
This Justfly.com deal was found by Cheapflights users on 1/21. 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.
Wed 11/267:15 amBOI - SIN
2 stops25h 55mKorean Air
Wed 12/311:00 amSIN - BOI
2 stops27h 16mKorean Air
Deal found 1/21$931
This United Airlines deal was found by Cheapflights users on 1/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/67:40 amBOI - SIN
1 stop21h 35mUnited Airlines
Thu 3/1310:20 pmSIN - BOI
1 stop27h 05mUnited Airlines
Deal found 1/20$935
This oojo deal was found by Cheapflights users on 1/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/206:46 pmBOI - SIN
3 stops30h 34mCathay Pacific
Tue 2/251:25 amSIN - BOI
2 stops36h 34mCathay Pacific
Deal found 1/20$1,061
This Air Canada deal was found by Cheapflights users on 1/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/2810:10 amPDX - SIN
1 stop29h 45mAir Canada
Tue 2/111:55 amSIN - PDX
2 stops28h 49mAir Canada
Deal found 1/20$1,064
This Mytrip deal was found by Cheapflights users on 1/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/61:31 pmBOI - SIN
3 stops31h 24mMultiple Airlines
Thu 3/133:15 pmSIN - BOI
3 stops35h 17mMultiple Airlines
Deal found 1/20$1,193
This oojo deal was found by Cheapflights users on 1/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/223:49 pmPDX - SIN
3 stops32h 31mCathay Pacific
Fri 3/76:40 amSIN - PDX
2 stops24h 09mCathay Pacific
Deal found 1/20$1,279

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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Wed 2/12

5:15 am-12:10 am

2 stops26h 55m

Singapore Changi

Wed 3/5

11:00 am-11:58 pm

2 stops28h 58m

$800

BoiseSingapore

BOI - SIN

BOISIN

Boise Air Term. Gowen Fld

Thu 2/20

7:55 am-5:00 am

2 stops30h 05m

Singapore Changi

Wed 3/5

1:30 am-8:15 pm

2 stops33h 45m

$800

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Tue 2/18

3:05 pm-7:05 pm

1 stop36h 00m

Singapore Changi

Tue 3/11

9:15 am-1:01 pm

1 stop18h 46m

$851

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Wed 2/12

6:03 am-8:15 pm

1 stop22h 12m

Singapore Changi

Mon 3/3

10:10 am-6:40 pm

1 stop24h 30m

$870

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Fri 2/14

6:00 am-12:10 am

2 stops26h 10m

Singapore Changi

Thu 2/20

1:30 am-12:56 pm

2 stops27h 26m

$931

BoiseSingapore

BOI - SIN

BOISIN

Boise Air Term. Gowen Fld

Thu 3/6

7:40 am-8:15 pm

1 stop21h 35m

Singapore Changi

Thu 3/13

10:20 pm-11:25 am

1 stop27h 05m

$935

BoiseSingapore

BOI - SIN

BOISIN

Boise Air Term. Gowen Fld

Thu 3/13

9:15 am-5:00 am

2 stops29h 45m

Singapore Changi

Thu 3/20

10:30 pm-4:00 pm

2 stops31h 30m

$955

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Wed 3/5

2:33 pm-1:05 pm

3 stops30h 32m

Singapore Changi

Wed 3/12

6:40 am-6:37 pm

3 stops26h 57m

$985

BoiseSingapore

BOI - SIN

BOISIN

Boise Air Term. Gowen Fld

Thu 2/20

6:46 pm-4:20 pm

3 stops30h 34m

Singapore Changi

Tue 2/25

1:25 am-10:59 pm

2 stops36h 34m

$1,061

PortlandSingapore

PDX - SIN

PDXSIN

Portland

Tue 2/18

10:10 am-7:55 am

1 stop29h 45m

Singapore Changi

Mon 2/24

1:55 am-2:44 pm

2 stops28h 49m

$1,064

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 26 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 January 21, 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 January 21, 2025.
Read reviews from past customers who have flown United Airlines, Korean Air and Cathay Pacific 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.
Korean Air
8.5
Very good
1,039 reviews

Comfort

8.3

Crew

8.7

Food

8.1

Boarding

8.5

Entertainment

8.2

Overall

8.5

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

Comfort

8.3

Crew

8.7

Food

8.1

Boarding

8.5

Entertainment

8.2

Overall

8.5

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

Comfort

8.3

Crew

8.7

Food

8.1

Boarding

8.5

Entertainment

8.2

Overall

8.5

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
1,449 reviews
Korean Air
8.5
Very good
1,039 reviews

Comfort

8.3

Crew

8.7

Food

8.1

Boarding

8.5

Entertainment

8.2

Overall

8.5

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

Comfort

8.3

Crew

8.7

Food

8.1

Boarding

8.5

Entertainment

8.2

Overall

8.5

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.

Alaska Airlines
8.0
Very good
9,706 reviews
Korean Air
8.5
Very good
1,039 reviews

Comfort

8.3

Crew

8.7

Food

8.1

Boarding

8.5

Entertainment

8.2

Overall

8.5

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 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?

    $399 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Japan Airlines and Delta, with prices starting from $406 and $458, 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.

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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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$784Average$1,270FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$845Average$1,266FlexibilityNo cancel feeOn-time69%
Singapore AirlinesCheapest$1,023Average$1,258FlexibilityNo cancel feeOn-time81%
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