HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Singapore

$360+ Cheap flights from Riverside, CA 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 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SIN
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Riverside to Singapore with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Riverside to Singapore Changi are usually found in August or September, booked 44 days in advance, depart on a Monday or Tuesday and return on a Friday

Cheap flight deals from Riverside to Singapore

Keep the following information in mind while searching for Riverside to Singapore flight deals. Data was last updated September 11, 2025.

Round-trip from

$650
(Gurufare)

One-way from

$360
(Asiana Airlines)

Popular in

December

Cheapest in

August

Average price

$799
From Riverside to Singapore Changi
Search Deals
One-way flight from Riverside to Singapore Changi
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($166 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($53 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Riverside to Singapore

Cheapest flights from Riverside to Singapore
Explore the most affordable flight options available from Riverside to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Gurufare deal was found by Cheapflights users on 9/8. 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.
Thu 10/1612:50 pmLAX - SIN
1 stop19h 30mPhilippine Airlines
Thu 10/2310:25 amSIN - LAX
1 stop25h 15mPhilippine Airlines
Deal found 9/8$650
This oojo deal was found by Cheapflights users on 9/8. 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.
Sun 11/161:20 pmLAX - SIN
1 stop25h 30mAir China
Thu 11/2011:55 pmSIN - LAX
1 stop35h 05mAir China
Deal found 9/8$651
This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Sun 10/1211:55 pmLAX - SIN
1 stop22h 25mPhilippine Airlines
Mon 10/2010:25 amSIN - LAX
1 stop25h 15mPhilippine Airlines
Deal found 9/8$654
This Cheapflightsfares deal was found by Cheapflights users on 9/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1212:50 pmLAX - SIN
1 stop29h 35mPhilippine Airlines
Sun 9/212:35 pmSIN - LAX
1 stop21h 05mPhilippine Airlines
Deal found 9/11$655
This FlightHub deal was found by Cheapflights users on 9/10. 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.
Wed 9/1010:00 amLAX - SIN
1 stop20h 30mAsiana Airlines
Wed 9/2410:50 pmSIN - LAX
1 stop24h 10mAsiana Airlines
Deal found 9/10$659
This CrystalTravel deal was found by Cheapflights users on 9/9. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/710:00 amLAX - SIN
1 stop20h 30mAsiana Airlines
Wed 10/2911:10 pmSIN - LAX
1 stop23h 40mAsiana Airlines
Deal found 9/9$660
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Thu 11/610:10 pmLAX - SIN
1 stop22h 50mPhilippine Airlines
Mon 11/1712:40 amSIN - LAX
1 stop23h 20mPhilippine Airlines
Deal found 9/9$661
This CrystalTravel deal was found by Cheapflights users on 9/10. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1610:00 amLAX - SIN
1 stop20h 30mAsiana Airlines
Sat 10/2510:50 pmSIN - LAX
1 stop32h 10mAsiana Airlines
Deal found 9/10$663
This FlightHub deal was found by Cheapflights users on 9/9. 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.
Wed 9/1710:00 amLAX - SIN
1 stop20h 30mAsiana Airlines
Tue 9/3010:50 pmSIN - LAX
1 stop32h 10mAsiana Airlines
Deal found 9/9$664
This Philippine Airlines deal was found by Cheapflights users on 9/10. 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 Philippine Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1512:50 pmLAX - SIN
1 stop39h 05mPhilippine Airlines
Sun 9/2812:20 amSIN - LAX
1 stop24h 25mPhilippine Airlines
Deal found 9/10$665
This SmartFares deal was found by Cheapflights users on 9/10. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2512:50 pmLAX - SIN
1 stop19h 50mPhilippine Airlines
Sat 11/18:10 pmSIN - LAX
1 stop39h 00mPhilippine Airlines
Deal found 9/10$666

Cheapflights Fare Finder

 
Customize your flight search to find flights from Riverside 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 September 11, 2025.
Use the filters below to find and compare flights from Riverside to Singapore that are best for you.

Fly from

Riverside

Fly to

Singapore

Route

Depart

Return

Price

Los AngelesSingapore

LAX - SIN

LAXSIN

Los Angeles

Wed 1/28

8:30 am-12:10 am

2 stops23h 40m

Singapore Changi

Wed 3/18

10:40 am-2:40 pm

1 stop19h 00m

$666

Los AngelesSingapore

LAX - SIN

LAXSIN

Los Angeles

Wed 1/28

7:00 am-12:10 am

2 stops25h 10m

Singapore Changi

Wed 3/18

10:40 am-11:07 pm

2 stops27h 27m

$678

Los AngelesSingapore

LAX - SIN

LAXSIN

Los Angeles

Tue 2/24

11:00 am-6:55 am

2 stops27h 55m

Singapore Changi

Tue 3/3

10:10 am-5:13 pm

2 stops23h 03m

$678

Los AngelesSingapore

LAX - SIN

LAXSIN

Los Angeles

Sun 9/21

10:29 pm-6:25 pm

1 stop28h 56m

Singapore Changi

Mon 10/13

8:40 pm-9:20 am

2 stops27h 40m

$706

Los AngelesSingapore

LAX - SIN

LAXSIN

Los Angeles

Thu 3/5

10:50 am-8:25 pm

1 stop41h 35m

Singapore Changi

Wed 3/18

10:30 pm-9:30 am

1 stop26h 00m

$723

Los AngelesSingapore

LAX - SIN

LAXSIN

Los Angeles

Mon 3/9

8:30 am-12:10 am

2 stops24h 40m

Singapore Changi

Tue 3/31

7:30 am-2:50 pm

1 stop22h 20m

$728

Los AngelesSingapore

LAX - SIN

LAXSIN

Los Angeles

Wed 11/12

8:17 am-12:10 am

2 stops23h 53m

Singapore Changi

Wed 12/3

10:40 am-8:30 am

1 stop37h 50m

$728

Los AngelesSingapore

LAX - SIN

LAXSIN

Los Angeles

Tue 11/11

6:00 am-5:00 am

2 stops31h 00m

Singapore Changi

Wed 11/19

10:40 am-1:40 pm

1 stop19h 00m

$728

Los AngelesSingapore

LAX - SIN

LAXSIN

Los Angeles

Thu 11/13

8:17 am-5:00 am

2 stops28h 43m

Singapore Changi

Tue 12/9

10:40 am-1:40 pm

1 stop19h 00m

$728

Los AngelesSingapore

LAX - SIN

LAXSIN

Los Angeles

Thu 11/13

10:50 am-12:10 am

1 stop21h 20m

Singapore Changi

Sun 12/7

10:40 am-8:30 am

1 stop37h 50m

$732

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 18 results
1
2

Best time to book a flight from Riverside to Singapore

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

How far ahead should I book a flight from Riverside to Singapore?

Use this chart to determine the optimal time to book a round-trip flight from Riverside to Singapore. Price data was last updated on August 29, 2025.

The price you pay for your flight from Riverside to Singapore may vary depending on when you book. For the best chance of a lower fare, look to book 44 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, October is the cheapest month in which you can book a flight from Riverside to Singapore (average of $1,002). Flying from Riverside to Singapore in December is currently the most expensive (average of $1,665). 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 R1V to SIN?

Find hourly flight availability from Riverside 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 September 11, 2025.

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

What is the cheapest day to fly from Riverside to Singapore?

Use this chart to determine the cheapest time to fly round-trip from Riverside to Singapore. Price data was last updated on September 7, 2025.

Travelers seeking maximum savings on their Riverside to Singapore flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Riverside to Singapore

Explore weekly flight availability from Riverside to Singapore. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 11, 2025.

The most flights from R1V to SIN are scheduled on a Wednesday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

How much does it cost to fly round-trip from Riverside to Singapore?

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 September 11, 2025.
Get a feel of what it's like to fly with Korean Air, Singapore Airlines, and Cathay Pacific from Riverside to Singapore by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,139 reviews

Entertainment

8.2

Food

8.1

Boarding

8.5

Comfort

8.3

Overall

8.4

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Korean Air
8.4
Very good
1,139 reviews
Korean Air
8.4
Very good
1,139 reviews

Entertainment

8.2

Food

8.1

Boarding

8.5

Comfort

8.3

Overall

8.4

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Singapore Airlines
8.1
Very good
1,365 reviews
Korean Air
8.4
Very good
1,139 reviews

Entertainment

8.2

Food

8.1

Boarding

8.5

Comfort

8.3

Overall

8.4

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Cathay Pacific
7.6
Good
993 reviews
Korean Air
8.4
Very good
1,139 reviews

Entertainment

8.2

Food

8.1

Boarding

8.5

Comfort

8.3

Overall

8.4

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
United Airlines
7.4
Good
8,937 reviews
Korean Air
8.4
Very good
1,139 reviews

Entertainment

8.2

Food

8.1

Boarding

8.5

Comfort

8.3

Overall

8.4

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Air Canada
7.1
Good
10,000 reviews
Korean Air
8.4
Very good
1,139 reviews

Entertainment

8.2

Food

8.1

Boarding

8.5

Comfort

8.3

Overall

8.4

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Related info for your journey

Find useful and relevant information for your journey from Riverside 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 Riverside?

    Singapore Changi (SIN) is the airport you will fly into if you book a flight from Riverside to Singapore. You should not have trouble finding flights to Changi from Riverside; the airport handles an average of 2 inbound flights from Riverside per day. You should also have plenty of airline options to choose from since 17 airlines have flights to the Singapore airport from Riverside. It is only a 10.5 mi journey from Changi (SIN) to Singapore’s city center.

  • How popular is this Riverside to Singapore flight route?

    Flights from Riverside to Singapore Changi have been viewed 592 times in the past calendar month.

  • How long is the flight from Riverside to Singapore?

    A quick flight from Riverside to Singapore can take about 23h 40m. Korean Air provides one of the quickest options available for as low as $666. There are 8756 mi between Riverside and Singapore. This flight may include one or multiple stops.

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

    One-way options have recently been found by users for as low as $360 on Asiana Airlines. Other airlines that offer cheap prices include American Airlines from $365 and United Airlines from $370 one-way.

  • What are the cheapest flights from Riverside to Singapore?

    On average you can expect to pay $2,011 for a flight from Riverside to Singapore. The cheapest flight overall is $295 while the most popular route, (Los Angeles - Singapore Changi) is currently priced at $617.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Riverside to Singapore (average of $1,002). Flying from Riverside to Singapore in December is currently the most expensive (average of $1,665). 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

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.

Top 10 airlines flying from Riverside to Singapore

Discover the top 10 airlines that operate flights from Riverside 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$490Average$894FlexibilityNo cancel feeOn-time71%
China AirlinesCheapest$520Average$1,247FlexibilityNo cancel feeOn-time70%
China SouthernCheapest$550Average$626FlexibilityNo cancel feeOn-time69%
China EasternCheapest$582Average$835FlexibilityNo cancel feeOn-time62%
XiamenAirCheapest$598Average$744FlexibilityNo cancel feeOn-time49%
Singapore AirlinesCheapest$654Average$1,096FlexibilityNo cancel feeOn-time81%
Asiana AirlinesCheapest$654Average$700FlexibilityNo cancel feeOn-time76%
Philippine AirlinesCheapest$656Average$750FlexibilityNo cancel feeOn-time60%
Korean AirCheapest$686Average$838FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$706Average$1,083FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.