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Oregon

$494+ Cheap flights from Singapore 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 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — PDX
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Singapore to Oregon

Best flights from Singapore to Oregon
Discover carefully curated flight deals from Singapore to Oregon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

This Air Canada deal was found by Cheapflights users on 12/15. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/128:50 amSIN - PDX
1 stop16h 25mAir Canada
Mon 2/169:50 amPDX - SIN
2 stops33h 25mAir Canada
Deal found 12/15$933
This Trip.com deal was found by Cheapflights users on 12/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/301:15 pmSIN - PDX
2 stops36h 08mMultiple Airlines
Fri 2/64:51 pmPDX - SIN
2 stops29h 39mMultiple Airlines
Deal found 12/16$947
This Korean Air deal was found by Cheapflights users on 12/15. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/111:35 amSIN - PDX
2 stops27h 07mKorean Air
Mon 2/167:10 amPDX - SIN
2 stops25h 00mKorean Air
Deal found 12/15$957
This oojo deal was found by Cheapflights users on 12/16. 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.
Fri 1/303:45 pmSIN - BOI
2 stops22h 16mEVA Air
Fri 2/68:10 amBOI - SIN
2 stops39h 20mEVA Air
Deal found 12/16$984
This STARLUX Airlines deal was found by Cheapflights users on 12/15. 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 STARLUX Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/292:45 pmSIN - BOI
2 stops23h 16mSTARLUX Airlines
Mon 2/25:55 pmBOI - SIN
2 stops28h 30mSTARLUX Airlines
Deal found 12/15$1,040
This United Airlines deal was found by Cheapflights users on 12/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1210:20 pmSIN - PDX
1 stop18h 14mUnited Airlines
Mon 2/167:30 amPDX - SIN
1 stop20h 45mUnited Airlines
Deal found 12/15$1,289
This CheapTickets deal was found by Cheapflights users on 12/16. 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.
Thu 1/291:35 amSIN - BOI
2 stops28h 35mMultiple Airlines
Fri 2/66:23 amBOI - SIN
2 stops47h 02mMultiple Airlines
Deal found 12/16$957
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Fri 1/3010:00 amSIN - PDX
1 stop18h 33mUnited Airlines
Fri 2/67:51 pmPDX - SIN
1 stop32h 24mUnited Airlines
Deal found 12/16$1,367
This United Airlines deal was found by Cheapflights users on 12/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/2910:00 amSIN - BOI
1 stop21h 10mUnited Airlines
Mon 2/210:15 amBOI - SIN
2 stops47h 40mUnited Airlines
Deal found 12/15$1,520

Find flight deals from Singapore to Oregon

Keep the following information in mind while searching for Singapore to Oregon flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$933
(Air Canada)

One-way from

$494
(Kiwi.com)

Popular in

April

Cheapest in

December

Average price

$177
Provider with most accurate pricing for Singapore Changi-Portland flight deals.
Search Deals
Provider most trusted by Cheapflights users for Singapore Changi-Portland flights.
Search Deals
From Singapore to Oregon
Search Deals
One-way flight from Singapore to Oregon
Search Deals
Highest demand for flights based on searches. 25% potential increase in price ($404 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($67 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 18, 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

Thu 2/12

8:50 am-9:15 am

1 stop16h 25m

Portland

Mon 2/16

9:50 am-11:15 am

2 stops33h 25m

$933

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Fri 1/30

1:15 pm-9:23 am

2 stops36h 08m

Portland

Fri 2/6

4:51 pm-2:30 pm

2 stops29h 39m

$947

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Wed 2/11

1:35 am-12:42 pm

2 stops27h 07m

Portland

Mon 2/16

7:10 am-12:10 am

2 stops25h 00m

$957

SingaporeBoise

SIN - BOI

SINBOI

Singapore Changi

Thu 1/29

1:35 am-3:10 pm

2 stops28h 35m

Boise Air Term. Gowen Fld

Fri 2/6

6:23 am-8:25 pm

2 stops47h 02m

$957

SingaporeBoise

SIN - BOI

SINBOI

Singapore Changi

Fri 1/30

3:45 pm-11:01 pm

2 stops22h 16m

Boise Air Term. Gowen Fld

Fri 2/6

8:10 am-2:30 pm

2 stops39h 20m

$984

SingaporeBoise

SIN - BOI

SINBOI

Singapore Changi

Thu 1/29

2:45 pm-11:01 pm

2 stops23h 16m

Boise Air Term. Gowen Fld

Mon 2/2

5:55 pm-1:25 pm

2 stops28h 30m

$1,040

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 2/12

10:20 pm-12:34 am

1 stop18h 14m

Portland

Mon 2/16

7:30 am-8:15 pm

1 stop20h 45m

$1,289

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Fri 1/30

10:00 am-12:33 pm

1 stop18h 33m

Portland

Fri 2/6

7:51 pm-8:15 pm

1 stop32h 24m

$1,367

SingaporeBoise

SIN - BOI

SINBOI

Singapore Changi

Thu 1/29

10:00 am-4:10 pm

1 stop21h 10m

Boise Air Term. Gowen Fld

Mon 2/2

10:15 am-12:55 am

2 stops47h 40m

$1,520

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Sun 2/1

12:40 am-8:27 pm

2 stops35h 47m

$494

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 19 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, December is the cheapest month in which you can book a flight from Singapore to Oregon (average of $177). Flying from Singapore to Oregon in April is currently the most expensive (average of $1,883). 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.

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.

  • How long is the flight from Singapore to Oregon?

    A quick flight from Singapore to Oregon can take about 16h 25m. Air Canada provides one of the quickest options available for as low as $933. The distance from Singapore to Oregon is about 8123 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, December is the cheapest month in which you can book a flight from Singapore to Oregon (average of $177). Flying from Singapore to Oregon in April is currently the most expensive (average of $1,883). 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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