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$502+ 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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — PDX
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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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 October 30, 2025.

This STARLUX Airlines deal was found by Cheapflights users on 10/27. 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 11/132:45 pmSIN - BOI
2 stops22h 35mSTARLUX Airlines
Mon 11/176:05 pmBOI - SIN
2 stops28h 20mSTARLUX Airlines
Deal found 10/27$1,014
This STARLUX Airlines deal was found by Cheapflights users on 10/27. 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.
Fri 11/142:45 pmSIN - PDX
2 stops21h 52mSTARLUX Airlines
Tue 11/185:30 pmPDX - SIN
2 stops27h 55mSTARLUX Airlines
Deal found 10/27$1,074
This Cathay Pacific deal was found by Cheapflights users on 10/27. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/131:25 amSIN - PDX
2 stops37h 09mCathay Pacific
Tue 11/182:50 pmPDX - SIN
2 stops29h 05mCathay Pacific
Deal found 10/27$1,201
This American Airlines deal was found by Cheapflights users on 10/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/122:20 amSIN - BOI
2 stops25h 15mAmerican Airlines
Mon 11/177:00 amBOI - SIN
2 stops32h 35mAmerican Airlines
Deal found 10/27$1,284
This United Airlines deal was found by Cheapflights users on 10/27. 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 11/1410:10 amSIN - PDX
1 stop24h 26mUnited Airlines
Tue 11/1812:55 pmPDX - SIN
2 stops27h 05mUnited Airlines
Deal found 10/27$1,321
This United Airlines deal was found by Cheapflights users on 10/28. 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 11/1210:10 amSIN - PDX
2 stops28h 46mUnited Airlines
Sat 11/158:30 amPDX - SIN
2 stops43h 45mUnited Airlines
Deal found 10/28$1,324
This United Airlines deal was found by Cheapflights users on 10/27. 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 11/1310:10 amSIN - BOI
2 stops26h 11mUnited Airlines
Mon 11/172:40 pmBOI - SIN
1 stop26h 20mUnited Airlines
Deal found 10/27$1,561
This United Airlines deal was found by Cheapflights users on 10/28. 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 11/1010:10 amSIN - BOI
1 stop20h 53mUnited Airlines
Fri 11/216:20 amBOI - SIN
1 stop22h 55mUnited Airlines
Deal found 10/28$1,600
This Jettzy deal was found by Cheapflights users on 10/28. 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 Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/102:45 pmSIN - BOI
2 stops22h 35mSTARLUX Airlines
Fri 11/216:00 pmBOI - SIN
2 stops28h 25mSTARLUX Airlines
Deal found 10/28$1,653
This Gurufare deal was found by Cheapflights users on 10/28. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/121:15 pmSIN - PDX
2 stops23h 35mMultiple Airlines
Fri 12/194:26 pmPDX - SIN
2 stops27h 39mMultiple Airlines
Deal found 10/28$1,777

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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$805
(Air Canada)

One-way from

$502
(Mytrip)

Popular in

April

Cheapest in

February

Average price

$1,439
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 Changi to Oregon
Search Deals
One-way flight from Singapore Changi to Oregon
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($217 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 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 October 30, 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

Fri 3/27

8:50 am-6:30 pm

1 stop24h 40m

Portland

Sat 3/28

7:00 pm-2:30 pm

2 stops28h 30m

$805

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Sat 3/28

8:50 am-2:40 pm

1 stop20h 50m

Portland

Sat 3/28

7:00 pm-2:30 pm

2 stops28h 30m

$957

SingaporeBoise

SIN - BOI

SINBOI

Singapore Changi

Thu 11/13

2:45 pm-10:20 pm

2 stops22h 35m

Boise Air Term. Gowen Fld

Mon 11/17

6:05 pm-1:25 pm

2 stops28h 20m

$1,014

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Fri 3/27

1:15 pm-10:57 pm

2 stops24h 42m

Portland

Sat 3/28

7:45 pm-12:00 pm

2 stops25h 15m

$1,069

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Fri 11/14

2:45 pm-8:37 pm

2 stops21h 52m

Portland

Tue 11/18

5:30 pm-1:25 pm

2 stops27h 55m

$1,074

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Wed 1/14

9:00 pm-2:40 pm

2 stops33h 40m

Portland

Sun 4/5

3:15 pm-7:05 am

1 stop24h 50m

$1,148

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Tue 1/13

1:35 am-12:44 pm

2 stops27h 09m

Portland

Sun 4/5

9:40 am-11:40 pm

2 stops23h 00m

$1,199

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 11/13

1:25 am-10:34 pm

2 stops37h 09m

Portland

Tue 11/18

2:50 pm-11:55 am

2 stops29h 05m

$1,201

SingaporeBoise

SIN - BOI

SINBOI

Singapore Changi

Wed 11/12

2:20 am-12:35 pm

2 stops25h 15m

Boise Air Term. Gowen Fld

Mon 11/17

7:00 am-6:35 am

2 stops32h 35m

$1,284

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Fri 11/14

10:10 am-6:36 pm

1 stop24h 26m

Portland

Tue 11/18

12:55 pm-8:00 am

2 stops27h 05m

$1,321

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 21 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 $653). Flying from Singapore to Oregon in October is currently the most expensive (average of $1,306). 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.

  • 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 22h 35m. Air Canada provides one of the quickest options available for as low as $1,014. 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, December is the cheapest month in which you can book a flight from Singapore to Oregon (average of $653). Flying from Singapore to Oregon in October is currently the most expensive (average of $1,306). 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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