S$477 Cheap Flights from Ontario to Singapore

View S$477 flight on Wed, 20 Aug, 2025Opens in a new window

Popular airlines from Los Angeles - Ontario Intl. Airport (ONT) to Singapore Changi Airport (SIN)

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Cheap Flights from Ontario to Singapore (ONT-SIN)

Prices were available within the past 7 days and start at S$477 for one-way flights and S$930 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, 25 Aug - Mon, 1 Sep
ONT
Ontario
SIN
Singapore
S$930 Return, found 2 days ago
S$930
Return
found 2 days ago
Select Delta flight, departing Mon, 25 Aug from Ontario to Singapore, returning Mon, 1 Sep, priced at S$930 found 2 days ago
Korean Air
Mon, 25 Aug - Mon, 1 Sep
ONT
Ontario
SIN
Singapore
S$937 Return, found 2 days ago
S$937
Return
found 2 days ago
Select Korean Air flight, departing Mon, 25 Aug from Ontario to Singapore, returning Mon, 1 Sep, priced at S$937 found 2 days ago
United
Sat, 26 Jul - Wed, 20 Aug
ONT
Ontario
SIN
Singapore
S$991 Return, found 3 days ago
S$991
Return
found 3 days ago
Select United flight, departing Sat, 26 Jul from Ontario to Singapore, returning Wed, 20 Aug, priced at S$991 found 3 days ago
United
Mon, 25 Aug - Mon, 1 Sep
ONT
Ontario
SIN
Singapore
S$993 Return, found 2 days ago
S$993
Return
found 2 days ago
Select United flight, departing Mon, 25 Aug from Ontario to Singapore, returning Mon, 1 Sep, priced at S$993 found 2 days ago
United
Mon, 25 Aug - Mon, 1 Sep
ONT
Ontario
SIN
Singapore
S$1,006 Return, found 2 days ago
S$1,006
Return
found 2 days ago
Select United flight, departing Mon, 25 Aug from Ontario to Singapore, returning Mon, 1 Sep, priced at S$1,006 found 2 days ago
United
Mon, 25 Aug - Mon, 1 Sep
ONT
Ontario
SIN
Singapore
S$1,010 Return, found 2 days ago
S$1,010
Return
found 2 days ago
Select United flight, departing Mon, 25 Aug from Ontario to Singapore, returning Mon, 1 Sep, priced at S$1,010 found 2 days ago
United
Mon, 25 Aug - Mon, 1 Sep
ONT
Ontario
SIN
Singapore
S$1,020 Return, found 2 days ago
S$1,020
Return
found 2 days ago
Select United flight, departing Mon, 25 Aug from Ontario to Singapore, returning Mon, 1 Sep, priced at S$1,020 found 2 days ago
United
Mon, 25 Aug - Mon, 1 Sep
ONT
Ontario
SIN
Singapore
S$1,064 Return, found 2 days ago
S$1,064
Return
found 2 days ago
Select United flight, departing Mon, 25 Aug from Ontario to Singapore, returning Mon, 1 Sep, priced at S$1,064 found 2 days ago
STARLUX Airlines
Mon, 25 Aug - Mon, 1 Sep
ONT
Ontario
SIN
Singapore
S$1,255 Return, found 2 days ago
S$1,255
Return
found 2 days ago
Select STARLUX Airlines flight, departing Mon, 25 Aug from Ontario to Singapore, returning Mon, 1 Sep, priced at S$1,255 found 2 days ago
China Airlines
Sat, 29 Nov - Thu, 4 Dec
ONT
Ontario
SIN
Singapore
S$1,422 Return, found 3 days ago
S$1,422
Return
found 3 days ago
Select China Airlines flight, departing Sat, 29 Nov from Ontario to Singapore, returning Thu, 4 Dec, priced at S$1,422 found 3 days ago
Ontario to Singapore route information
Origin airport
Los Angeles - Ontario Intl.
Destination airport
Changi
Airlines serving
American Airlines, China Airlines, Delta, Japan Airlines, Korean Air, Qatar Airways, United
Return price
S$930
Distance
14074 km

Flights from Los Angeles to Singapore

There are several airlines that operate frequent flights from Ontario (ONT) to Singapore (SIN) including

  • United Airlines with 35 flights a week
  • Alaska Airlines with 3 flights a week

The earliest flight leaves Ontario Intl. Airport at 05:45 and arrives at Changi Airport at 06:15. The last flight of the day departs Ontario at 20:10 and arrives at Singapore at 19:05.

The flight distance from Ontario to Singapore is about 14240 km, the shortest flight is 19 hours 05 minutes with United Airlines.

Expedia lets you search across the largest number of airlines and Singapore flights, which means that you’ll be able to find a great flight deal at the perfect travel date and time. Our simple-to-use booking engine makes looking for terrific bargains easy and hassle-free; just enter your travel dates and departure city, and let Expedia do the rest! Adjust your travel dates and explore connecting flights to find an even better deal on your Los Angeles Singapore flight!

Browse through dozens of options and rest assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Los Angeles to Singapore trip. There’s simply no substitute for great prices suited to your travel needs and backed by excellent customer support.

Combine your Singapore flight with a hotel and/or car rental for a package deal designed to save you even more money! Discover additional savings by booking in advance or find a last minute deal. There are tons of ways to save on your flights from Los Angeles to Singapore with Expedia. Use us as your stop travel destination and have the confidence that you’re getting a bargain!

Frequently asked questions

How much is a flight from Los Angeles - Ontario Intl. Airport (ONT) to Changi Airport (SIN)?
The lowest price advertised for a round-trip flight between ONT and Changi Airport is S$930. But you better move fast. This price is taken from fares offered within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from ONT to Singapore Airport?
This can differ between airlines, as each has its own terms and conditions. Visit the Customer Service Portal, where you'll find simple instructions on how to cancel your flight online.
How do I find cheap flights from Los Angeles - Ontario Intl. Airport (ONT) to Singapore Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Ontario Airport to Changi Airport (SIN) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Los Angeles - Ontario Intl. Airport (ONT) to Singapore Airport?
With a flight distance of 14,200 kilometres between Ontario and Singapore, this is a long journey. Remember to keep well hydrated and move your feet and legs every now and then.
Which airlines fly direct from Ontario Airport to SIN?
At present, no airlines offer flights directly from ONT to SIN. You'll need to book a flight with one or more stops. To get the best price and connections, lock in your fare well in advance.
Are Ontario Airport to SIN flight tickets cheaper when they're purchased at the last minute?
Flight prices are always on the move, so there are no guarantees. While last-minute flight deals between Ontario Airport and Changi Airport (SIN) are of course possible, it's also a good idea to keep track of prices well before you fly. In fact, some airlines publish their prices up to a year before the departure date. Expedia is constantly updating the biggest bargains around, so check back often and be ready to lock in your seat when the price dips.

Explore a world of travel with Expedia

Ontario Airports

Los Angeles

Los Angeles Intl. to Singapore
S$864.10

Burbank

Hollywood Burbank to Singapore
S$928.90

Orange County

John Wayne to Singapore
S$988.80

Long Beach

Long Beach Municipal to Singapore
S$2,897.40
*Available to Expedia members.