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$387+ Cheap flights from Oregon to Singapore (SIN)

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 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SIN
ago. 5 — ago. 121
mar. 8/5
mar. 8/12
1 adult, Economy
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Cheap flight deals from Oregon to Singapore

Keep the following information in mind while searching for Oregon to Singapore flight deals. Data was last updated julio 31, 2025.

Round-trip from

$718
(Air Canada)

One-way from

$387
(Air Canada)

Popular in

December

Cheapest in

September

Average price

$1,120
From Oregon to Singapore Changi
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One-way flight from Oregon to Singapore Changi
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Highest demand for flights based on searches. 9% potential increase in price ($113 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($38 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Oregon to Singapore

Cheapest flights from Oregon to Singapore
Explore the most affordable flight options available from Oregon to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 31, 2025.

This Air Canada deal was found by Cheapflights users on 7/31. 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.
mar. 9/1610:00 amPDX - SIN
1 stop30h 05mAir Canada
mar. 9/309:10 amSIN - PDX
1 stop20h 36mAir Canada
Deal found 7/31$718
This Air Canada deal was found by Cheapflights users on 7/30. 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.
sáb. 11/17:38 pmPDX - SIN
2 stops44h 22mMultiple Airlines
dom. 11/169:00 pmSIN - PDX
2 stops28h 15mMultiple Airlines
Deal found 7/30$781
This FlightHub deal was found by Cheapflights users on 7/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/169:17 amPDX - SIN
2 stops28h 43mKorean Air
lun. 9/291:10 amSIN - PDX
2 stops31h 00mKorean Air
Deal found 7/30$807
This FlightHub deal was found by Cheapflights users on 7/31. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/217:00 amBOI - SIN
2 stops34h 05mAir Canada
sáb. 9/279:10 amSIN - BOI
2 stops42h 32mAir Canada
Deal found 7/31$967
This FlightHub deal was found by Cheapflights users on 7/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/317:45 amBOI - SIN
2 stops31h 15mKorean Air
mié. 11/51:30 amSIN - BOI
2 stops32h 21mKorean Air
Deal found 7/30$1,056
This oojo deal was found by Cheapflights users on 7/31. 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.
mié. 10/112:43 pmBOI - SIN
2 stops45h 52mChina Airlines
jue. 10/92:00 amSIN - BOI
2 stops46h 39mChina Airlines
Deal found 7/31$1,075
This Korean Air deal was found by Cheapflights users on 7/31. 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.
dom. 9/146:30 amEUG - SIN
2 stops46h 25mKorean Air
dom. 9/2110:30 pmSIN - EUG
2 stops31h 49mKorean Air
Deal found 7/31$1,077
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/2110:00 amBOI - SIN
2 stops24h 20mAlaska Airlines
dom. 9/288:05 amSIN - BOI
2 stops28h 45mAlaska Airlines
Deal found 7/31$1,084
This United Airlines deal was found by Cheapflights users on 7/31. 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.
dom. 9/146:31 pmEUG - SIN
1 stop32h 54mUnited Airlines
dom. 9/2111:05 amSIN - EUG
2 stops50h 45mUnited Airlines
Deal found 7/31$1,091
This oojo deal was found by Cheapflights users on 7/31. 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.
dom. 9/141:36 pmEUG - SIN
2 stops31h 59mChina Airlines
sáb. 9/202:00 amSIN - EUG
2 stops37h 25mChina Airlines
Deal found 7/31$1,094
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/206:35 amBOI - SIN
1 stop21h 00mMultiple Airlines
dom. 9/288:45 pmSIN - BOI
2 stops37h 46mMultiple Airlines
Deal found 7/31$1,094
This Delta deal was found by Cheapflights users on 7/31. 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.
vie. 9/195:45 amBOI - SIN
2 stops33h 15mDelta
lun. 9/221:10 amSIN - BOI
2 stops33h 10mDelta
Deal found 7/31$1,104

Cheapflights Fare Finder

 
Customize your flight search to find flights from Oregon to Singapore 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 julio 31, 2025.
Use the filters below to find and compare flights from Oregon to Singapore that are best for you.

Fly from

Oregon

Fly to

Singapore

Route

Depart

Return

Price

PortlandSingapore

PDX - SIN

PDXSIN

Portland

mar. 9/16

10:00 am-7:05 am

1 stop30h 05m

Singapore Changi

mar. 9/30

9:10 am-2:46 pm

1 stop20h 36m

$718

PortlandSingapore

PDX - SIN

PDXSIN

Portland

sáb. 11/1

7:38 pm-7:00 am

2 stops44h 22m

Singapore Changi

dom. 11/16

9:00 pm-9:15 am

2 stops28h 15m

$781

BoiseSingapore

BOI - SIN

BOISIN

Boise Air Term. Gowen Fld

dom. 9/21

7:00 am-7:05 am

2 stops34h 05m

Singapore Changi

sáb. 9/27

9:10 am-1:42 pm

2 stops42h 32m

$967

BoiseSingapore

BOI - SIN

BOISIN

Boise Air Term. Gowen Fld

vie. 10/31

7:45 am-5:00 am

2 stops31h 15m

Singapore Changi

mié. 11/5

1:30 am-6:51 pm

2 stops32h 21m

$1,056

BoiseSingapore

BOI - SIN

BOISIN

Boise Air Term. Gowen Fld

mié. 10/1

12:43 pm-12:35 am

2 stops45h 52m

Singapore Changi

jue. 10/9

2:00 am-10:39 am

2 stops46h 39m

$1,075

EugeneSingapore

EUG - SIN

EUGSIN

Eugene

dom. 9/14

6:30 am-7:55 pm

2 stops46h 25m

Singapore Changi

dom. 9/21

10:30 pm-3:19 pm

2 stops31h 49m

$1,077

BoiseSingapore

BOI - SIN

BOISIN

Boise Air Term. Gowen Fld

dom. 9/21

10:00 am-12:20 am

2 stops24h 20m

Singapore Changi

dom. 9/28

8:05 am-10:50 pm

2 stops28h 45m

$1,084

EugeneSingapore

EUG - SIN

EUGSIN

Eugene

dom. 9/14

6:31 pm-6:25 pm

1 stop32h 54m

Singapore Changi

dom. 9/21

11:05 am-10:50 pm

2 stops50h 45m

$1,091

EugeneSingapore

EUG - SIN

EUGSIN

Eugene

dom. 9/14

1:36 pm-12:35 pm

2 stops31h 59m

Singapore Changi

sáb. 9/20

2:00 am-12:25 am

2 stops37h 25m

$1,094

BoiseSingapore

BOI - SIN

BOISIN

Boise Air Term. Gowen Fld

sáb. 9/20

6:35 am-5:35 pm

1 stop21h 00m

Singapore Changi

dom. 9/28

8:45 pm-8:31 pm

2 stops37h 46m

$1,094

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 28 results
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Best time to book a flight from Oregon to Singapore

Have a flexible travel schedule? Discover the best time to fly to Singapore from Oregon 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 Oregon to Singapore

What is the cheapest month to book a flight from Oregon to Singapore?

Currently, October is the cheapest month in which you can book a flight from Oregon to Singapore (average of $995). Flying from Oregon to Singapore in December is currently the most expensive (average of $1,679). 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.

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

Find hourly flight availability from Oregon to Singapore. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated julio 31, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Oregon to Singapore as you normally would.

Reviews of airlines servicing Singapore

Get insights into the airlines that provide service to Singapore. 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 Singapore. Reviews last updated julio 31, 2025.
See what other customers who have flown with STARLUX Airlines, EVA Air, and Korean Air from Oregon to Singapore have to say. 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
199 reviews

Crew

9.3

Food

8.8

Boarding

9.0

Comfort

8.9

Entertainment

8.9

Overall

9.0

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
199 reviews
STARLUX Airlines
9.0
Wonderful
199 reviews

Crew

9.3

Food

8.8

Boarding

9.0

Comfort

8.9

Entertainment

8.9

Overall

9.0

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
1,220 reviews
STARLUX Airlines
9.0
Wonderful
199 reviews

Crew

9.3

Food

8.8

Boarding

9.0

Comfort

8.9

Entertainment

8.9

Overall

9.0

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
199 reviews

Crew

9.3

Food

8.8

Boarding

9.0

Comfort

8.9

Entertainment

8.9

Overall

9.0

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
199 reviews

Crew

9.3

Food

8.8

Boarding

9.0

Comfort

8.9

Entertainment

8.9

Overall

9.0

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.
Singapore Airlines
8.1
Very good
1,338 reviews
STARLUX Airlines
9.0
Wonderful
199 reviews

Crew

9.3

Food

8.8

Boarding

9.0

Comfort

8.9

Entertainment

8.9

Overall

9.0

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

Find useful and relevant information for your journey from Oregon to Singapore. 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 into for flights to Singapore from Oregon?

    Located just 10.5 mi from the city center, Singapore Changi (SIN) is the airport most travelers will use when flying to Singapore from Oregon.

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

    $387 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on Singapore Airlines and United Airlines, with prices starting from $442 and $568, respectively.

  • What are the most popular routes from Oregon to Singapore?

    Most travelers choose Portland - Singapore Changi, Boise Air Term. Gowen Fld - Singapore Changi or Eugene - Singapore Changi when deciding on the best route from Oregon to Singapore.

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

    Yes. In addition to deals on Oregon to Singapore flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Oregon to Singapore?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Oregon to Singapore.

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

    Yes. Cheapflights offers flight deals from Oregon to Singapore 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 Oregon to Singapore?

    Currently, October is the cheapest month in which you can book a flight from Oregon to Singapore (average of $995). Flying from Oregon to Singapore in December is currently the most expensive (average of $1,679). 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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Top 5 airlines flying from Oregon to Singapore

Discover the top 5 airlines that operate flights from Oregon to Singapore. 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 julio 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$694Average$844FlexibilityNo cancel feeOn-time67%
DeltaCheapest$800Average$921FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$800Average$1,149FlexibilityNo cancel feeOn-time69%
Korean AirCheapest$808Average$956FlexibilityNo cancel feeOn-time81%
Singapore AirlinesCheapest$927Average$1,284FlexibilityNo cancel feeOn-time81%

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