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$ 536. KLM flights start at S$ 2,041 while deals on Qatar Airways start at S$ 4,238 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 June, with the cheapest ticket starting at S$ 1,204. 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$ 536+ Flights from Singapore to Oregon

Cheap flight deals from Singapore to Oregon

Round-trip from	S$ 871
One-way from	S$ 536
Popular in	April
Cheapest in	June
Average price	S$ 1,528

Air Canada
22-9-2-11
4 total stops
93h 01m total
Singapore to Oregon

Search Deals

Air Canada
28-10
1 total stop
19h 45m total
Singapore to Oregon

Search Deals

Highest demand for flights based on searches. 10% potential increase in price (S$ 233 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (S$ 43 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 11 July 2025.

Mon 22-922:50SIN - PDX

2 stops39h 11mAir Canada

Sun 2-1115:15PDX - SIN

2 stops53h 50mAir Canada

Deal found 10-7S$ 871

Sun 21-922:50SIN - PDX

2 stops32h 14mMultiple Airlines

Sat 1-1119:38PDX - SIN

2 stops35h 17mMultiple Airlines

Deal found 9-7S$ 1,003

Thu 30-1010:00SIN - BOI

2 stops27h 28mAir Canada

Mon 3-1114:31BOI - SIN

2 stops50h 24mAir Canada

Deal found 8-7S$ 1,170

Fri 22-802:00SIN - PDX

2 stops46h 47mChina Airlines

Sat 30-816:46PDX - SIN

2 stops40h 49mChina Airlines

Deal found 9-7S$ 1,223

Sat 23-813:10SIN - PDX

2 stops32h 07mEVA Air

Sat 30-816:46PDX - SIN

2 stops30h 04mEVA Air

Deal found 9-7S$ 1,242

Fri 14-1108:15SIN - PDX

2 stops20h 14mJapan Airlines

Tue 18-1107:00PDX - SIN

2 stops31h 40mJapan Airlines

Deal found 9-7S$ 1,367

Mon 22-909:15SIN - PDX

1 stop39h 32mSingapore Airlines

Sun 2-1107:21PDX - SIN

1 stop32h 34mSingapore Airlines

Deal found 10-7S$ 1,571

Mon 10-1113:15SIN - BOI

2 stops23h 53mMultiple Airlines

Fri 21-1107:30BOI - SIN

2 stops40h 00mMultiple Airlines

Deal found 11-7S$ 1,616

Tue 2-920:40SIN - PDX

1 stop19h 05mUnited Airlines

Wed 17-917:40PDX - SIN

1 stop21h 35mUnited Airlines

Deal found 10-7S$ 1,661

Thu 30-1010:10SIN - BOI

1 stop19h 53mUnited Airlines

Mon 3-1114:11BOI - SIN

2 stops26h 49mUnited Airlines

Deal found 9-7S$ 1,807

Sun 9-1101:30SIN - BOI

2 stops33h 46mDelta

Fri 21-1107:30BOI - SIN

2 stops25h 40mDelta

Deal found 10-7S$ 1,905

Wed 29-1001:30SIN - BOI

2 stops28h 34mKorean Air

Mon 3-1107:15BOI - SIN

2 stops30h 45mKorean Air

Deal found 9-7S$ 2,052

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 11 July 2025.

Mon 22-922:50SIN - PDX

2 stops39h 11mAir Canada

Sun 2-1115:15PDX - SIN

2 stops53h 50mAir Canada

Deal found 10-7S$ 871

Sun 21-922:50SIN - PDX

2 stops32h 14mMultiple Airlines

Sat 1-1119:38PDX - SIN

2 stops35h 17mMultiple Airlines

Deal found 9-7S$ 1,003

Fri 22-802:00SIN - PDX

2 stops46h 47mChina Airlines

Sat 30-816:46PDX - SIN

2 stops40h 49mChina Airlines

Deal found 9-7S$ 1,223

Sat 23-813:10SIN - PDX

2 stops32h 07mEVA Air

Sat 30-816:46PDX - SIN

2 stops30h 04mEVA Air

Deal found 9-7S$ 1,242

Fri 14-1108:15SIN - PDX

2 stops20h 14mJapan Airlines

Tue 18-1107:00PDX - SIN

2 stops31h 40mJapan Airlines

Deal found 9-7S$ 1,367

Mon 22-909:15SIN - PDX

1 stop39h 32mSingapore Airlines

Sun 2-1107:21PDX - SIN

1 stop32h 34mSingapore Airlines

Deal found 10-7S$ 1,571

Tue 2-920:40SIN - PDX

1 stop19h 05mUnited Airlines

Wed 17-917:40PDX - SIN

1 stop21h 35mUnited Airlines

Deal found 10-7S$ 1,661

Sun 9-1101:30SIN - BOI

2 stops33h 46mDelta

Fri 21-1107:30BOI - SIN

2 stops25h 40mDelta

Deal found 10-7S$ 1,905

Wed 29-1001:30SIN - BOI

2 stops28h 34mKorean Air

Mon 3-1107:15BOI - SIN

2 stops30h 45mKorean Air

Deal found 9-7S$ 2,052

Thu 30-1010:00SIN - BOI

2 stops27h 28mAir Canada

Mon 3-1114:31BOI - SIN

2 stops50h 24mAir Canada

Deal found 8-7S$ 1,170

Mon 10-1113:15SIN - BOI

2 stops23h 53mMultiple Airlines

Fri 21-1107:30BOI - SIN

2 stops40h 00mMultiple Airlines

Deal found 11-7S$ 1,616

Thu 30-1010:10SIN - BOI

1 stop19h 53mUnited Airlines

Mon 3-1114:11BOI - SIN

2 stops26h 49mUnited Airlines

Deal found 9-7S$ 1,807

Last-minute flights from Singapore to Oregon
Discover last-minute flight deals from Singapore to Oregon. Data last updated 11 July 2025 and is based on user searches.

Tue 29-708:45SIN - PDX

1 stop18h 47mUnited Airlines

Wed 6-815:40PDX - SIN

1 stop23h 35mUnited Airlines

Deal found 8-7S$ 1,763

Mon 4-801:10SIN - PDX

2 stops30h 55mDelta

Wed 13-800:46PDX - SIN

2 stops37h 14mDelta

Deal found 10-7S$ 2,335

Mon 4-800:40SIN - PDX

2 stops30h 19mKLM

Wed 13-813:15PDX - SIN

1 stop35h 15mKLM

Deal found 8-7S$ 2,670

Tue 5-809:10SIN - PDX

1 stop28h 51mAir Canada

Wed 13-810:05PDX - SIN

2 stops46h 15mAir Canada

Deal found 8-7S$ 1,034

Tue 5-809:10SIN - PDX

1 stop20h 40mMultiple Airlines

Thu 14-806:15PDX - SIN

2 stops27h 35mMultiple Airlines

Deal found 10-7S$ 1,042

Fri 22-802:00SIN - PDX

2 stops46h 47mChina Airlines

Sat 30-816:46PDX - SIN

2 stops40h 49mChina Airlines

Deal found 9-7S$ 1,223

Sat 23-813:10SIN - PDX

2 stops32h 07mEVA Air

Sat 30-816:46PDX - SIN

2 stops30h 04mEVA Air

Deal found 9-7S$ 1,242

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 11 July 2025.

Tue 28-1010:00SIN - PDX

1 stop19h 45mAir Canada

Deal found 9-7S$ 536

Thu 30-1020:15SIN - PDX

3 stops55h 00mMultiple Airlines

Deal found 9-7S$ 724

Fri 24-1000:40SIN - PDX

1 stop25h 40mKLM

Deal found 9-7S$ 2,041

Mon 18-803:10SIN - PDX

2 stops30h 48mQatar Airways

Deal found 9-7S$ 4,238

Sun 17-802:00SIN - PDX

2 stops48h 31mChina Airlines

Deal found 10-7S$ 4,284

Mon 18-815:10SIN - PDX

2 stops22h 46mEVA Air

Deal found 10-7S$ 4,372

Mon 18-808:45SIN - PDX

1 stop18h 47mUnited Airlines

Deal found 10-7S$ 4,838

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Mon 22-9

22:50-23:01

2 stops39h 11m

Portland

Sun 2-11

15:15-13:05

2 stops53h 50m

S$ 871

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Sun 21-9

22:50-16:04

2 stops32h 14m

Portland

Sat 1-11

19:38-21:55

2 stops35h 17m

S$ 1,003

SingaporeBoise

SIN - BOI

SINBOI

Singapore Changi

Thu 30-10

10:00-23:28

2 stops27h 28m

Boise Air Term. Gowen Fld

Mon 3-11

14:31-07:55

2 stops50h 24m

S$ 1,170

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Fri 22-8

02:00-09:47

2 stops46h 47m

Portland

Sat 30-8

16:46-00:35

2 stops40h 49m

S$ 1,223

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Sat 23-8

13:10-06:17

2 stops32h 07m

Portland

Sat 30-8

16:46-13:50

2 stops30h 04m

S$ 1,242

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Fri 14-11

08:15-12:29

2 stops20h 14m

Portland

Tue 18-11

07:00-06:40

2 stops31h 40m

S$ 1,367

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Mon 22-9

09:15-09:47

1 stop39h 32m

Portland

Sun 2-11

07:21-07:55

1 stop32h 34m

S$ 1,571

SingaporeBoise

SIN - BOI

SINBOI

Singapore Changi

Mon 10-11

13:15-22:08

2 stops23h 53m

Boise Air Term. Gowen Fld

Fri 21-11

07:30-14:30

2 stops40h 00m

S$ 1,616

SingaporePortland

SIN - PDX

SINPDX

Singapore Changi

Tue 2-9

20:40-00:45

1 stop19h 05m

Portland

Wed 17-9

17:40-06:15

1 stop21h 35m

S$ 1,661

SingaporeBoise

SIN - BOI

SINBOI

Singapore Changi

Thu 30-10

10:10-16:03

1 stop19h 53m

Boise Air Term. Gowen Fld

Mon 3-11

14:11-08:00

2 stops26h 49m

S$ 1,807

Flights are sorted by cheapest return flights first.

Deals found on 9-7

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 EVA Air, Korean Air, andJapan Airlines 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.

EVA Air

8.4

Very Good

1,215 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

EVA Air

8.4

Very Good

1,215 reviews

EVA Air

8.4

Very Good

1,215 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Korean Air

8.4

Very Good

1,105 reviews

EVA Air

8.4

Very Good

1,215 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Japan Airlines

8.3

Very Good

1,512 reviews

EVA Air

8.4

Very Good

1,215 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

China Airlines

8.3

Very Good

744 reviews

EVA Air

8.4

Very Good

1,215 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Singapore Airlines

8.1

Very Good

1,324 reviews

EVA Air

8.4

Very Good

1,215 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

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$ 536. KLM flights start at S$ 2,041 while deals on Qatar Airways start at S$ 4,238 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 3 airlines flying from Singapore to Oregon

Airline	Cheapest	Average	Flexibility	On-time
Japan Airlines	CheapestS$ 1,106	AverageS$ 1,458	FlexibilityNo cancel fee	On-time79%	Search Japan Airlines flights
Air Canada	CheapestS$ 1,199	AverageS$ 1,396	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Singapore Airlines	CheapestS$ 1,247	AverageS$ 1,803	FlexibilityNo cancel fee	On-time81%	Search Singapore 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$ 536

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 28-10. 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 11 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 11 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 11 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 11 July 2025.

Read reviews from past customers who have flown with EVA Air, Korean Air, andJapan Airlines 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 3 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 11 July 2025.