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

To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at S$ 506. China Airlines flights start at S$ 791 while deals on Singapore Airlines start at S$ 1,136 one-way. Find deals

In terms of precipitation, rainfall in Oregon ranges from 18.0 - 142.0 inches per month. November is typically the wettest month, when rainfall can reach 142.0 mm. July is typically the driest time to visit Oregon when rainfall is around 18.0 mm. Find deals

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 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C). Find deals

What is the cheapest month to fly from Singapore to Oregon?

Flights from Singapore to Oregon lean towards being more expensive in April. Prices are generally better when you fly from Singapore to Oregon in August, with the cheapest ticket starting at S$ 1,223. Find deals

What is the cheapest time of day to fly from SG to OR?

When flying from Singapore to Oregon, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 holiday 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.

S$ 506+ Flights from Singapore to Oregon

Cheap flight deals from Singapore to Oregon

Round-trip from	S$ 864
One-way from	S$ 506
Popular in	April
Cheapest in	August
Average price	S$ 1,537

Air Canada
9-10-19-11
2 total stops
49h 46m total
Singapore to Oregon

Search Deals

Air Canada
2-12
1 total stop
20h 45m total
Singapore to Oregon

Search Deals

Highest demand for flights based on searches. 11% potential increase in price (S$ 266 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (S$ 47 potential savings vs. average return price).

Search Deals

Average for round-trip flights in July 2025

Search Deals

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 30 July 2025.

Tue 7-1001:45SIN - PDX

2 stops32h 01mAir Canada

Tue 18-1109:50PDX - SIN

1 stop30h 05mAir Canada

Deal found 26-7S$ 809

Wed 8-1006:15SIN - PDX

2 stops23h 31mMultiple Airlines

Tue 18-1115:54PDX - SIN

2 stops24h 01mMultiple Airlines

Deal found 26-7S$ 812

Thu 11-901:10SIN - BOI

2 stops28h 44mMultiple Airlines

Fri 19-906:35BOI - SIN

2 stops32h 25mMultiple Airlines

Deal found 29-7S$ 1,257

Sun 7-913:10SIN - BOI

2 stops34h 18mEVA Air

Sun 14-917:45BOI - SIN

2 stops28h 15mEVA Air

Deal found 27-7S$ 1,271

Sat 6-902:00SIN - BOI

2 stops55h 50mChina Airlines

Sun 14-917:45BOI - SIN

2 stops28h 50mChina Airlines

Deal found 27-7S$ 1,280

Wed 17-901:55SIN - PDX

2 stops25h 50mAmerican Airlines

Thu 2-1014:56PDX - SIN

2 stops35h 34mAmerican Airlines

Deal found 28-7S$ 1,428

Wed 8-1008:45SIN - PDX

1 stop30h 43mUnited Airlines

Tue 18-1107:30PDX - SIN

1 stop20h 45mUnited Airlines

Deal found 26-7S$ 1,671

Sun 9-1101:30SIN - BOI

2 stops26h 42mKorean Air

Fri 21-1108:40BOI - SIN

2 stops24h 30mKorean Air

Deal found 27-7S$ 1,907

Sun 9-1101:30SIN - BOI

2 stops37h 29mDelta

Fri 21-1107:30BOI - SIN

2 stops25h 40mDelta

Deal found 29-7S$ 1,912

Mon 10-1110:10SIN - BOI

2 stops42h 20mUnited Airlines

Fri 21-1114:40BOI - SIN

1 stop38h 35mUnited Airlines

Deal found 28-7S$ 2,070

Mon 10-1109:20SIN - BOI

2 stops43h 10mSingapore Airlines

Fri 21-1114:11BOI - SIN

1 stop24h 19mSingapore Airlines

Deal found 27-7S$ 2,767

Best flights from Singapore to Oregon
Discover carefully curated flight deals from Singapore to Oregon that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 July 2025.

Thu 9-1009:10SIN - PDX

1 stop28h 51mAir Canada

Wed 19-1119:00PDX - SIN

1 stop20h 55mAir Canada

Deal found 27-7S$ 864

Thu 9-1001:45SIN - PDX

2 stops22h 35mMultiple Airlines

Thu 20-1113:00PDX - SIN

2 stops26h 00mMultiple Airlines

Deal found 28-7S$ 982

Sun 7-913:10SIN - BOI

2 stops34h 18mEVA Air

Sun 14-917:45BOI - SIN

2 stops28h 15mEVA Air

Deal found 27-7S$ 1,271

Sat 6-902:00SIN - BOI

2 stops55h 50mChina Airlines

Sun 14-917:45BOI - SIN

2 stops28h 50mChina Airlines

Deal found 27-7S$ 1,280

Sat 11-1014:00SIN - PDX

2 stops23h 45mSTARLUX Airlines

Fri 21-1120:38PDX - SIN

2 stops24h 47mSTARLUX Airlines

Deal found 29-7S$ 1,315

Wed 17-901:55SIN - PDX

2 stops25h 50mAmerican Airlines

Thu 2-1014:56PDX - SIN

2 stops35h 34mAmerican Airlines

Deal found 28-7S$ 1,428

Fri 12-920:40SIN - PDX

1 stop36h 52mUnited Airlines

Fri 19-917:40PDX - SIN

1 stop33h 45mUnited Airlines

Deal found 29-7S$ 1,766

Sun 9-1101:30SIN - BOI

2 stops26h 42mKorean Air

Fri 21-1108:40BOI - SIN

2 stops24h 30mKorean Air

Deal found 27-7S$ 1,907

Sun 9-1101:30SIN - BOI

2 stops37h 29mDelta

Fri 21-1107:30BOI - SIN

2 stops25h 40mDelta

Deal found 29-7S$ 1,912

Thu 11-901:10SIN - BOI

2 stops28h 44mMultiple Airlines

Fri 19-906:35BOI - SIN

2 stops32h 25mMultiple Airlines

Deal found 29-7S$ 1,257

Mon 10-1109:20SIN - BOI

2 stops43h 10mSingapore Airlines

Fri 21-1114:11BOI - SIN

1 stop24h 19mSingapore Airlines

Deal found 27-7S$ 2,767

Mon 10-1110:10SIN - BOI

2 stops42h 20mUnited Airlines

Fri 21-1114:40BOI - SIN

1 stop38h 35mUnited Airlines

Deal found 28-7S$ 2,070

One-way flights from Singapore to Oregon
Search for one-way flight options from Singapore to Oregon. Find affordable one-way fares based on user searches. Data last updated 30 July 2025.

Tue 2-1210:00SIN - PDX

1 stop20h 45mAir Canada

Deal found 27-7S$ 506

Fri 14-1101:10SIN - PDX

3 stops51h 05mMultiple Airlines

Deal found 29-7S$ 720

Fri 14-1102:00SIN - PDX

2 stops38h 09mChina Airlines

Deal found 29-7S$ 791

Wed 24-1209:15SIN - PDX

1 stop20h 32mSingapore Airlines

Deal found 29-7S$ 1,136

Sun 4-122:25SIN - PDX

2 stops32h 44mJapan Airlines

Deal found 26-7S$ 1,302

Mon 1-1222:20SIN - PDX

1 stop40h 32mUnited Airlines

Deal found 27-7S$ 1,419

Tue 23-1201:40SIN - PDX

1 stop25h 45mKLM

Deal found 29-7S$ 2,048

Mon 18-813:10SIN - PDX

2 stops46h 13mEVA Air

Deal found 29-7S$ 4,126

Fly from

Fly to

Route

Depart

Return

Price

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 9-10

09:10-23:01

1 stop28h 51m

Portland

Wed 19-11

19:00-07:55

1 stop20h 55m

S$ 864

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Thu 9-10

01:45-09:20

2 stops22h 35m

Portland

Thu 20-11

13:00-07:00

2 stops26h 00m

S$ 982

SingaporeBoise

SIN - BOI

SINBOI

Singapore Changi

Thu 11-9

01:10-15:54

2 stops28h 44m

Boise Air Term. Gowen Fld

Fri 19-9

06:35-05:00

2 stops32h 25m

S$ 1,257

SingaporeBoise

SIN - BOI

SINBOI

Singapore Changi

Sun 7-9

13:10-09:28

2 stops34h 18m

Boise Air Term. Gowen Fld

Sun 14-9

17:45-12:00

2 stops28h 15m

S$ 1,271

SingaporeBoise

SIN - BOI

SINBOI

Singapore Changi

Sat 6-9

02:00-19:50

2 stops55h 50m

Boise Air Term. Gowen Fld

Sun 14-9

17:45-12:35

2 stops28h 50m

S$ 1,280

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Sat 11-10

14:00-22:45

2 stops23h 45m

Portland

Fri 21-11

20:38-13:25

2 stops24h 47m

S$ 1,315

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Wed 17-9

01:55-12:45

2 stops25h 50m

Portland

Thu 2-10

14:56-17:30

2 stops35h 34m

S$ 1,428

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Fri 12-9

20:40-18:32

1 stop36h 52m

Portland

Fri 19-9

17:40-18:25

1 stop33h 45m

S$ 1,766

SingaporeBoise

SIN - BOI

SINBOI

Singapore Changi

Sun 9-11

01:30-13:12

2 stops26h 42m

Boise Air Term. Gowen Fld

Fri 21-11

08:40-00:10

2 stops24h 30m

S$ 1,907

SingaporeBoise

SIN - BOI

SINBOI

Singapore Changi

Sun 9-11

01:30-23:59

2 stops37h 29m

Boise Air Term. Gowen Fld

Fri 21-11

07:30-00:10

2 stops25h 40m

S$ 1,912

Flights are sorted by cheapest return flights first.

Deals found on 27-7

Showing 1-10 of 20 results

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 return 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

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Oregon

Read reviews from past customers who have flown with STARLUX Airlines, EVA Air, andKorean Air from Singapore to Oregon. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

STARLUX Airlines

9.0

Wonderful

Check prices

Reviews

1 / 7

10.0

Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

STARLUX Airlines

9.0

Wonderful

STARLUX Airlines

9.0

Wonderful

Check prices

Reviews

1 / 7

10.0

Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

EVA Air

8.4

Very Good

1,221 reviews

STARLUX Airlines

9.0

Wonderful

Check prices

Reviews

1 / 7

10.0

Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

Korean Air

8.4

Very Good

1,121 reviews

STARLUX Airlines

9.0

Wonderful

Check prices

Reviews

1 / 7

10.0

Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

Japan Airlines

8.3

Very Good

1,535 reviews

STARLUX Airlines

9.0

Wonderful

Check prices

Reviews

1 / 7

10.0

Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

China Airlines

8.3

Very Good

754 reviews

STARLUX Airlines

9.0

Wonderful

Check prices

Reviews

1 / 7

10.0

Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

Related info for your journey

What are the cheapest airlines to fly from Singapore to Oregon one-way?
To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at S$ 506. China Airlines flights start at S$ 791 while deals on Singapore Airlines start at S$ 1,136 one-way.
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 holiday 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Singapore to Oregon

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Top 4 airlines flying from Singapore to Oregon

Airline	Cheapest	Average	Flexibility	On-time
Japan Airlines	CheapestS$ 1,113	AverageS$ 1,485	FlexibilityNo cancel fee	On-time79%	Search Japan Airlines flights
Air Canada	CheapestS$ 1,206	AverageS$ 1,399	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Singapore Airlines	CheapestS$ 1,255	AverageS$ 1,852	FlexibilityNo cancel fee	On-time81%	Search Singapore Airlines flights
United Airlines	CheapestS$ 1,593	AverageS$ 1,691	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

Fly with Cheapflights

How does Cheapflights help users find flights from Singapore to Oregon?

Deals for Singapore to Oregon flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Singapore to Oregon?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Oregon from Singapore.

Can Cheapflights find flights from Singapore to Oregon with no change fees?

Yes, we can. To see specific flights from Singapore to Oregon with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Singapore to Oregon become cheaper?

Yes! Start tracking prices for Singapore to Oregon flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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Cheap flights from Singapore to Oregon from S$ 506

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 2-12. Fares are subject to change and may not be available on all flights or dates of travel.

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 30 July 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Singapore to Oregon

Cheapest flights from Singapore to OregonExplore 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 30 July 2025.

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 30 July 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Singapore to Oregon that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight from Singapore to Oregon

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 30 July 2025.

Read reviews from past customers who have flown with STARLUX Airlines, EVA Air, andKorean Air from Singapore to Oregon. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

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

Can I find deals for flights from Singapore to Oregon that include hotel bookings?

How can I find direct flights from Singapore to Oregon?

Can I find deals for business class flights from Singapore to Oregon?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Singapore to Oregon

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Singapore to Oregon

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Singapore to Oregon?

Why should you use Cheapflights to find cheap flight tickets from Singapore to Oregon?

Can Cheapflights find flights from Singapore to Oregon with no change fees?

Can Cheapflights notify me if prices for flights from Singapore to Oregon become cheaper?

100% Free

Book with Flexibility

Travel Smart

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 30 July 2025.