$639 Cheap Flights from Surabaya (SUB) to Ontario (ONT)

View $639 flight on Sat, Jan 17, 2026Opens in a new window

Popular airlines from Surabaya (SUB-Juanda) to Los Angeles - Ontario Intl. Airport (ONT)

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Cheap Flights from Surabaya to Ontario (SUB-ONT)

Prices were available within the past 7 days and start at $639 for one-way flights and $998 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Singapore Airlines
Mon, Feb 16 - Mon, Feb 23
SUB
Surabaya
ONT
Ontario
$998 Roundtrip, found 5 days ago
$998
Roundtrip
found 5 days ago
Select Singapore Airlines flight, departing Mon, Feb 16 from Surabaya to Ontario, returning Mon, Feb 23, priced at $998 found 5 days ago
Singapore Airlines
Mon, Feb 16 - Mon, Feb 23
SUB
Surabaya
ONT
Ontario
$1,004 Roundtrip, found 5 days ago
$1,004
Roundtrip
found 5 days ago
Select Singapore Airlines flight, departing Mon, Feb 16 from Surabaya to Ontario, returning Mon, Feb 23, priced at $1,004 found 5 days ago
United
Mon, Feb 16 - Mon, Feb 23
SUB
Surabaya
ONT
Ontario
$1,010 Roundtrip, found 5 days ago
$1,010
Roundtrip
found 5 days ago
Select United flight, departing Mon, Feb 16 from Surabaya to Ontario, returning Mon, Feb 23, priced at $1,010 found 5 days ago
Singapore Airlines
Mon, Feb 16 - Mon, Feb 23
SUB
Surabaya
ONT
Ontario
$1,061 Roundtrip, found 5 days ago
$1,061
Roundtrip
found 5 days ago
Select Singapore Airlines flight, departing Mon, Feb 16 from Surabaya to Ontario, returning Mon, Feb 23, priced at $1,061 found 5 days ago
Garuda Indonesia
Tue, Mar 10 - Wed, Mar 11
SUB
Surabaya
ONT
Ontario
$1,063 Roundtrip, found 1 day ago
$1,063
Roundtrip
found 1 day ago
Select Garuda Indonesia flight, departing Tue, Mar 10 from Surabaya to Ontario, returning Wed, Mar 11, priced at $1,063 found 1 day ago
Singapore Airlines
Mon, Feb 16 - Mon, Feb 23
SUB
Surabaya
ONT
Ontario
$1,067 Roundtrip, found 5 days ago
$1,067
Roundtrip
found 5 days ago
Select Singapore Airlines flight, departing Mon, Feb 16 from Surabaya to Ontario, returning Mon, Feb 23, priced at $1,067 found 5 days ago
United
Mon, Feb 16 - Mon, Feb 23
SUB
Surabaya
ONT
Ontario
$1,073 Roundtrip, found 5 days ago
$1,073
Roundtrip
found 5 days ago
Select United flight, departing Mon, Feb 16 from Surabaya to Ontario, returning Mon, Feb 23, priced at $1,073 found 5 days ago
Cathay Pacific
Mon, Feb 16 - Mon, Feb 23
SUB
Surabaya
ONT
Ontario
$1,161 Roundtrip, found 5 days ago
$1,161
Roundtrip
found 5 days ago
Select Cathay Pacific flight, departing Mon, Feb 16 from Surabaya to Ontario, returning Mon, Feb 23, priced at $1,161 found 5 days ago
Singapore Airlines
Mon, Feb 16 - Mon, Feb 23
SUB
Surabaya
ONT
Ontario
$1,165 Roundtrip, found 5 days ago
$1,165
Roundtrip
found 5 days ago
Select Singapore Airlines flight, departing Mon, Feb 16 from Surabaya to Ontario, returning Mon, Feb 23, priced at $1,165 found 5 days ago
China Airlines
Mon, Dec 22 - Sun, Dec 28
SUB
Surabaya
ONT
Ontario
$1,178 Roundtrip, found 1 day ago
$1,178
Roundtrip
found 1 day ago
Select China Airlines flight, departing Mon, Dec 22 from Surabaya to Ontario, returning Sun, Dec 28, priced at $1,178 found 1 day ago

Alternative airports near Ontario

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Los Angeles - Ontario Intl. ONT. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $1,208
ONT
Los Angeles - Ontario Intl.
CheapestClosest
Average driving time to city center8 min
Flights from $1,208
Flights from Surabaya (SUB) to Ontario (ONT)
Origin airport
Juanda
Destination airport
Los Angeles - Ontario Intl.
Airlines serving
China Airlines
Roundtrip price
$997
Distance
8745 mi

Surabaya to Ontario Flights

The cheapest times to fly from Surabaya to Ontario

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Surabaya to Ontario are during the month of February. You can find some of the cheapest flights from Surabaya to Ontario with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Surabaya to Ontario

Sunday is one of the best days to book for cheap flights from Surabaya to Ontario: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Surabaya to Ontario

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Surabaya to Ontario in 2026. You can also book with separate airlines for your outbound and return journeys, from $639 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Surabaya to Ontario flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Surabaya to Ontario airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Juanda Airport (SUB) to Los Angeles - Ontario Intl. Airport (ONT) cost?
Lock in a cheap one-way flight from $639 or cheap return flight from $998 from Juanda Airport (SUB) to Los Angeles - Ontario Intl. Airport (ONT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Juanda Airport (SUB) to Los Angeles - Ontario Intl. Airport (ONT)?
February is the cheapest month to fly from SUB to ONT. Traveling during an off-peak travel window is often the key to scoring lower fares.
What is the cheapest airline that flies from Juanda Airport (SUB) to Los Angeles - Ontario Intl. Airport (ONT)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest SUB to ONT flight.
How many flights per day from Juanda Airport (SUB) to Los Angeles - Ontario Intl. Airport (ONT)?
Nonstop flights from Juanda Airport (SUB) to Los Angeles - Ontario Intl. Airport (ONT) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel details and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SUB to ONT?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can change based on a range of factors, including the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Juanda Airport (SUB) to Los Angeles - Ontario Intl. Airport (ONT)?
To avoid possible delays on the Juanda Airport (SUB) to Los Angeles - Ontario Intl. Airport (ONT) route, aim to fly before 3 PM. Departures after this time have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Juanda Airport (SUB) to Los Angeles - Ontario Intl. Airport (ONT) last-minute?
Last-minute bookings from SUB to ONT are typically more expensive. For the best rates, start searching for flights early. That said, if you're flexible with your travel dates, you may find a cheap fare right before your trip.
Is it cheaper to book a SUB to ONT flight and hotel package?
You'll typically save money by securing a SUB to ONT flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. After choosing your preferred flights and accommodations, consider adding extras including car rentals, activities and tours.
Can I cancel or change the date of my flight from Juanda Airport (SUB) to Los Angeles - Ontario Intl. Airport (ONT)?
If you reserved your SUB to ONT flight in the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for further details.

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*Available to One Key members.