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$472+ Cheap flights from Singapore (SIN) to Oregon

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 9/27. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — PDX
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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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 September 15, 2025.

Round-trip from

$871
(CheapTickets)

One-way from

$472
(Kiwi.com)

Popular in

April

Cheapest in

August

Average price

$1,127
From Singapore Changi to Oregon
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One-way flight from Singapore Changi to Oregon
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Highest demand for flights based on searches. 13% potential increase in price ($201 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 September 2025
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Find flight deals from Singapore to Oregon

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 September 15, 2025.

This CheapTickets deal was found by Cheapflights users on 9/13. 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 CheapTickets is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/281:45 pmSIN - PDX
2 stops34h 40mMultiple Airlines
Thu 10/231:25 pmPDX - SIN
2 stops32h 10mMultiple Airlines
Deal found 9/13$871
This Gotogate deal was found by Cheapflights users on 9/13. 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.
Sun 9/2810:10 pmSIN - PDX
2 stops35h 36mAir Canada
Thu 10/237:40 pmPDX - SIN
1 stop20h 25mAir Canada
Deal found 9/13$882
This SmartFares deal was found by Cheapflights users on 9/14. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/303:45 pmSIN - PDX
2 stops22h 52mMultiple Airlines
Thu 11/65:30 pmPDX - SIN
2 stops26h 35mMultiple Airlines
Deal found 9/14$947
This oojo deal was found by Cheapflights users on 9/14. 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 10/292:00 amSIN - PDX
2 stops46h 06mChina Airlines
Thu 11/65:41 pmPDX - SIN
2 stops27h 24mChina Airlines
Deal found 9/14$954
This Air Canada deal was found by Cheapflights users on 9/14. 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 10/308:50 amSIN - PDX
1 stop20h 55mAir Canada
Thu 11/63:15 pmPDX - SIN
1 stop23h 45mAir Canada
Deal found 9/14$1,018
This Expedia deal was found by Cheapflights users on 9/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/292:00 pmSIN - PDX
2 stops22h 25mSTARLUX Airlines
Fri 10/2410:00 pmPDX - SIN
2 stops24h 25mSTARLUX Airlines
Deal found 9/14$1,044
This Air Canada deal was found by Cheapflights users on 9/14. 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.
Mon 9/296:15 amSIN - PDX
2 stops23h 31mAir Canada
Fri 10/247:40 pmPDX - SIN
1 stop20h 25mAir Canada
Deal found 9/14$1,064
This EVA Air deal was found by Cheapflights users on 9/15. 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/103:45 pmSIN - BOI
2 stops23h 09mMultiple Airlines
Fri 11/214:45 pmBOI - SIN
2 stops28h 20mMultiple Airlines
Deal found 9/15$1,145
This Japan Airlines deal was found by Cheapflights users on 9/12. 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.
Thu 10/308:15 amSIN - BOI
2 stops29h 34mJapan Airlines
Mon 11/37:01 amBOI - SIN
2 stops26h 49mJapan Airlines
Deal found 9/12$1,155
This Delta deal was found by Cheapflights users on 9/13. 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.
Sun 11/91:35 amSIN - BOI
2 stops35h 32mDelta
Fri 11/215:17 amBOI - SIN
2 stops27h 53mDelta
Deal found 9/13$1,487
This United Airlines deal was found by Cheapflights users on 9/12. 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 10/3010:10 amSIN - BOI
1 stop27h 18mUnited Airlines
Mon 11/310:40 amBOI - SIN
1 stop30h 20mUnited Airlines
Deal found 9/12$1,577
This Korean Air deal was found by Cheapflights users on 9/14. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/291:35 amSIN - BOI
2 stops27h 30mKorean Air
Mon 11/39:00 amBOI - SIN
2 stops29h 00mKorean Air
Deal found 9/14$1,602

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated September 15, 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

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Sun 9/28

1:45 pm-9:25 am

2 stops34h 40m

Portland

Thu 10/23

1:25 pm-12:35 pm

2 stops32h 10m

$871

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Sun 9/28

10:10 pm-6:46 pm

2 stops35h 36m

Portland

Thu 10/23

7:40 pm-7:05 am

1 stop20h 25m

$882

SingaporeBoise

SIN - BOI

SINBOI

Singapore Changi

Mon 11/10

3:45 pm-11:54 pm

2 stops23h 09m

Boise Air Term. Gowen Fld

Fri 11/21

4:45 pm-12:05 pm

2 stops28h 20m

$1,145

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 10/30

6:40 am-9:15 am

3 stops41h 35m

Portland

Thu 11/6

7:00 pm-2:00 pm

2 stops27h 00m

$1,159

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 11/13

1:25 am-8:50 pm

2 stops35h 25m

Portland

Tue 11/18

5:55 pm-4:50 pm

2 stops30h 55m

$1,189

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Fri 11/14

10:10 am-2:46 pm

1 stop20h 36m

Portland

Tue 11/18

12:55 pm-8:00 am

2 stops27h 05m

$1,336

SingaporeBoise

SIN - BOI

SINBOI

Singapore Changi

Mon 11/10

10:40 am-6:54 pm

2 stops23h 14m

Boise Air Term. Gowen Fld

Fri 11/21

5:17 am-12:10 am

2 stops27h 53m

$1,487

SingaporeBoise

SIN - BOI

SINBOI

Singapore Changi

Thu 10/30

10:10 am-11:28 pm

1 stop27h 18m

Boise Air Term. Gowen Fld

Mon 11/3

10:40 am-8:00 am

1 stop30h 20m

$1,577

SingaporeBoise

SIN - BOI

SINBOI

Singapore Changi

Wed 10/29

1:35 am-3:05 pm

2 stops27h 30m

Boise Air Term. Gowen Fld

Mon 11/3

9:00 am-5:00 am

2 stops29h 00m

$1,602

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Sat 9/27

3:15 am-12:15 am

2 stops36h 00m

$472

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 15 results
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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 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.

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, November is the cheapest month in which you can book a flight from Singapore to Oregon (average of $277). Flying from Singapore to Oregon in March is currently the most expensive (average of $368). 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.

How much does it cost to fly round-trip from Singapore to Oregon?

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.

  • What airport do you fly from for flights from Singapore to Oregon?

    If you book a flight to Oregon from Singapore, you will be flying from Changi, which is the city’s only airport. Singapore Changi (SIN) is located 10.5 mi from the center of Singapore.

  • How long is the flight from Singapore to Oregon?

    A quick flight from Singapore to Oregon can take about 23h 14m. Air Canada provides one of the quickest options available for as low as $1,487. The distance from Singapore to Oregon is about 8456 mi. This flight may include one or multiple stops.

  • 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 vacation 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, November is the cheapest month in which you can book a flight from Singapore to Oregon (average of $277). Flying from Singapore to Oregon in March is currently the most expensive (average of $368). 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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