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$507+ 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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — PDX
Apr 30 — May 71
Wed 4/30
Wed 5/7
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 April 25, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,037
(Trip.com)

One-way from

$507
(Expedia)

Popular in

May

Cheapest in

September

Average price

$1,320
Provider with most accurate pricing for Singapore Changi-Portland flight deals.
Search Deals
Provider most trusted by Cheapflights users for Singapore Changi-Portland flights.
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From Singapore Changi to Oregon
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One-way flight from Singapore Changi to Oregon
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($58 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 25, 2025.

This Jettzy deal was found by Cheapflights users on 4/25. 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 11/103:45 pmSIN - BOI
2 stops21h 35mMultiple Airlines
Fri 11/217:30 amBOI - SIN
2 stops40h 00mMultiple Airlines
Deal found 4/25$1,259
This Delta deal was found by Cheapflights users on 4/25. 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 11/91:30 amSIN - BOI
2 stops32h 01mDelta
Fri 11/217:30 amBOI - SIN
2 stops25h 40mDelta
Deal found 4/25$1,454
This Gotogate deal was found by Cheapflights users on 4/25. 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 6/82:15 amSIN - PDX
3 stops27h 30mMultiple Airlines
Mon 6/167:40 pmPDX - SIN
2 stops36h 40mMultiple Airlines
Deal found 4/25$1,463
This United Airlines deal was found by Cheapflights users on 4/25. 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
2 stops27h 12mUnited Airlines
Fri 11/216:48 amBOI - SIN
1 stop22h 27mUnited Airlines
Deal found 4/25$1,562
This British Airways deal was found by Cheapflights users on 4/25. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/911:20 pmSIN - PDX
2 stops36h 59mBritish Airways
Mon 6/167:25 pmPDX - SIN
1 stop31h 35mBritish Airways
Deal found 4/25$1,615
This United Airlines deal was found by Cheapflights users on 4/25. 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 6/98:45 amSIN - PDX
1 stop24h 50mUnited Airlines
Mon 6/167:40 amPDX - SIN
1 stop19h 45mUnited Airlines
Deal found 4/25$1,997
This KLM deal was found by Cheapflights users on 4/25. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/812:40 amSIN - PDX
1 stop25h 40mKLM
Mon 6/161:15 pmPDX - SIN
1 stop35h 15mKLM
Deal found 4/25$2,029
This Air Canada deal was found by Cheapflights users on 4/25. 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 5/159:10 amSIN - PDX
1 stop28h 45mAir Canada
Sat 5/317:40 pmPDX - SIN
2 stops42h 20mAir Canada
Deal found 4/25$5,139
This Finnair deal was found by Cheapflights users on 4/25. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/149:35 pmSIN - PDX
2 stops60h 06mFinnair
Sun 6/112:09 pmPDX - SIN
2 stops39h 16mFinnair
Deal found 4/25$5,148
This Qatar Airways deal was found by Cheapflights users on 4/25. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1910:30 amSIN - PDX
2 stops50h 50mQatar Airways
Thu 5/296:15 amPDX - SIN
2 stops35h 45mQatar Airways
Deal found 4/25$5,168
This SWISS deal was found by Cheapflights users on 4/25. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1911:30 pmSIN - PDX
2 stops34h 15mSWISS
Sat 5/318:30 amPDX - SIN
2 stops41h 35mSWISS
Deal found 4/25$5,567
This Lufthansa deal was found by Cheapflights users on 4/25. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1911:25 pmSIN - PDX
2 stops33h 03mLufthansa
Mon 6/210:55 amPDX - SIN
2 stops38h 45mLufthansa
Deal found 4/25$5,575

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 April 25, 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

SingaporeBoise

SIN - BOI

SINBOI

Singapore Changi

Fri 5/16

1:10 am-3:55 pm

2 stops28h 45m

Boise Air Term. Gowen Fld

Thu 5/22

7:45 am-11:40 pm

2 stops25h 55m

$1,305

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Mon 6/9

5:00 pm-12:52 pm

3 stops34h 52m

Portland

Mon 6/16

7:40 pm-12:25 pm

2 stops25h 45m

$1,404

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Mon 6/9

11:20 pm-9:19 pm

2 stops36h 59m

Portland

Mon 6/16

7:25 pm-6:00 pm

1 stop31h 35m

$1,615

SingaporeBoise

SIN - BOI

SINBOI

Singapore Changi

Sun 6/8

8:40 pm-9:44 pm

1 stop39h 04m

Boise Air Term. Gowen Fld

Sun 6/15

7:07 pm-6:25 pm

1 stop33h 18m

$1,768

SingaporeBoise

SIN - BOI

SINBOI

Singapore Changi

Sat 6/7

1:10 am-3:37 pm

2 stops28h 27m

Boise Air Term. Gowen Fld

Sun 6/15

7:40 am-5:00 am

2 stops31h 20m

$1,918

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Mon 6/9

8:45 am-6:35 pm

1 stop24h 50m

Portland

Mon 6/16

7:40 am-6:25 pm

1 stop19h 45m

$1,997

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Sun 6/8

12:40 am-11:20 am

1 stop25h 40m

Portland

Mon 6/16

1:15 pm-3:30 pm

1 stop35h 15m

$2,029

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 5/15

9:10 am-10:55 pm

1 stop28h 45m

Portland

Sat 5/31

7:40 pm-5:00 am

2 stops42h 20m

$5,139

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Wed 5/14

9:35 pm-6:41 pm

2 stops60h 06m

Portland

Sun 6/1

12:09 pm-6:25 pm

2 stops39h 16m

$5,148

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Mon 5/19

10:30 am-10:20 pm

2 stops50h 50m

Portland

Thu 5/29

6:15 am-9:00 am

2 stops35h 45m

$5,168

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/24

Showing 1-10 of 25 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 $369). 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.

Rainfall in Oregon by month

Plan your trip to Oregon by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Oregon ranges from 0.7 - 5.6 inches per month. November is typically the wettest month, when rainfall can reach 5.6 in. July is typically the driest time to visit Oregon when rainfall is around 0.7 in.

Temperature in Oregon by month

Plan your trip to Oregon by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Oregon, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Oregon

Get insights into the airlines that provide service to Oregon. 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 Oregon. Reviews last updated April 25, 2025.
Read through reviews of airlines operating flights from Singapore to Oregon, such as STARLUX Airlines, Korean Air and Japan Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.1
Wonderful
157 reviews

Comfort

9.0

Boarding

9.0

Crew

9.3

Overall

9.1

Entertainment

9.0

Food

8.9

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
STARLUX Airlines
9.1
Wonderful
157 reviews
STARLUX Airlines
9.1
Wonderful
157 reviews

Comfort

9.0

Boarding

9.0

Crew

9.3

Overall

9.1

Entertainment

9.0

Food

8.9

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
Korean Air
8.4
Very good
1,063 reviews
STARLUX Airlines
9.1
Wonderful
157 reviews

Comfort

9.0

Boarding

9.0

Crew

9.3

Overall

9.1

Entertainment

9.0

Food

8.9

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
Japan Airlines
8.3
Very good
1,456 reviews
STARLUX Airlines
9.1
Wonderful
157 reviews

Comfort

9.0

Boarding

9.0

Crew

9.3

Overall

9.1

Entertainment

9.0

Food

8.9

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
ANA
8.3
Very good
852 reviews
STARLUX Airlines
9.1
Wonderful
157 reviews

Comfort

9.0

Boarding

9.0

Crew

9.3

Overall

9.1

Entertainment

9.0

Food

8.9

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
Singapore Airlines
8.1
Very good
1,290 reviews
STARLUX Airlines
9.1
Wonderful
157 reviews

Comfort

9.0

Boarding

9.0

Crew

9.3

Overall

9.1

Entertainment

9.0

Food

8.9

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.

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.

  • What are the cheapest airlines to fly from Singapore to Oregon one-way?

    The cheapest airlines for a one-way flight from Singapore to Oregon are Air Canada ($507), STARLUX Airlines ($610), and Singapore Airlines ($1,056).

  • 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 $369). 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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Top 2 airlines flying from Singapore to Oregon

Discover the top 2 airlines that operate flights from Singapore to Oregon. 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 April 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
Japan AirlinesCheapest$1,005Average$1,074FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$1,248Average$1,416FlexibilityNo cancel feeOn-time69%

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