$784 Cheap Flights from Ontario (ONT) to Ponce (PSE)

View $784 flight on Sun, Jun 14, 2026Opens in a new window

Popular airlines from Los Angeles - Ontario Intl. Airport (ONT) to Ponce (PSE-Mercedita)

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Cheap Flights from Ontario to Ponce (ONT-PSE)

Prices were available within the past 7 days and start at $784 for one-way flights and $1,199 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Thu, May 21 - Thu, May 28
ONT
Ontario
PSE
Ponce
$1,199 Roundtrip, found 4 days ago
$1,199
Roundtrip
found 4 days ago
Select JetBlue Airways flight, departing Thu, May 21 from Ontario to Ponce, returning Thu, May 28, priced at $1,199 found 4 days ago
JetBlue Airways
Thu, May 21 - Thu, May 28
ONT
Ontario
PSE
Ponce
$1,342 Roundtrip, found 4 days ago
$1,342
Roundtrip
found 4 days ago
Select JetBlue Airways flight, departing Thu, May 21 from Ontario to Ponce, returning Thu, May 28, priced at $1,342 found 4 days ago
JetBlue Airways
Sun, Jun 14 - Fri, Jun 19
ONT
Ontario
PSE
Ponce
$1,448 Roundtrip, found 3 days ago
$1,448
Roundtrip
found 3 days ago
Select JetBlue Airways flight, departing Sun, Jun 14 from Ontario to Ponce, returning Fri, Jun 19, priced at $1,448 found 3 days ago
JetBlue Airways
Thu, May 21 - Mon, May 25
ONT
Ontario
PSE
Ponce
$1,539 Roundtrip, found 5 days ago
$1,539
Roundtrip
found 5 days ago
Select JetBlue Airways flight, departing Thu, May 21 from Ontario to Ponce, returning Mon, May 25, priced at $1,539 found 5 days ago
JetBlue Airways
Sun, Jun 14 - Fri, Jun 19
ONT
Ontario
PSE
Ponce
$1,568 Roundtrip, found 3 days ago
$1,568
Roundtrip
found 3 days ago
Select JetBlue Airways flight, departing Sun, Jun 14 from Ontario to Ponce, returning Fri, Jun 19, priced at $1,568 found 3 days ago
JetBlue Airways
Thu, May 21 - Mon, May 25
ONT
Ontario
PSE
Ponce
$1,686 Roundtrip, found 5 days ago
$1,686
Roundtrip
found 5 days ago
Select JetBlue Airways flight, departing Thu, May 21 from Ontario to Ponce, returning Mon, May 25, priced at $1,686 found 5 days ago
JetBlue Airways
Sun, Jun 14 - Fri, Jun 19
ONT
Ontario
PSE
Ponce
$1,909 Roundtrip, found 3 days ago
$1,909
Roundtrip
found 3 days ago
Select JetBlue Airways flight, departing Sun, Jun 14 from Ontario to Ponce, returning Fri, Jun 19, priced at $1,909 found 3 days ago
JetBlue Airways
Sun, Jun 14 - Fri, Jun 19
ONT
Ontario
PSE
Ponce
$2,052 Roundtrip, found 3 days ago
$2,052
Roundtrip
found 3 days ago
Select JetBlue Airways flight, departing Sun, Jun 14 from Ontario to Ponce, returning Fri, Jun 19, priced at $2,052 found 3 days ago

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Frequently asked questions

How much does a flight from Los Angeles - Ontario Intl. Airport (ONT) to Mercedita Airport (PSE) cost?
Secure a cheap one-way flight from $784 or cheap return flight from $1,199 from Los Angeles - Ontario Intl. Airport (ONT) to Mercedita Airport (PSE) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Los Angeles - Ontario Intl. Airport (ONT) to Mercedita Airport (PSE)?
Planning your trip for May is a great way to save, as it's the cheapest month for flights between ONT and PSE. You'll often find the lowest prices during off-peak months.
What is the cheapest airline that flies from Los Angeles - Ontario Intl. Airport (ONT) to Mercedita Airport (PSE)?
To find the cheapest airline flying from ONT to PSE, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Los Angeles - Ontario Intl. Airport (ONT) to Mercedita Airport (PSE)?
You'll need to take a flight with a layover when traveling from Los Angeles - Ontario Intl. Airport (ONT) to Mercedita Airport (PSE). There are no daily direct flights on this route. However, simply filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from ONT to PSE?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Los Angeles - Ontario Intl. Airport (ONT) to Mercedita Airport (PSE)?
To reach Mercedita Airport (PSE) on schedule, opt for a flight that leaves from Los Angeles - Ontario Intl. Airport (ONT) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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 Los Angeles - Ontario Intl. Airport (ONT) to Mercedita Airport (PSE) last-minute?
Holding off until right before your break to book a ticket from ONT to PSE often results in higher prices. While you might find some last-minute offers, they aren't always guaranteed. Allow some flexibility in your schedule to boost your chances of landing a bargain.
Is it cheaper to book an ONT to PSE flight and hotel package?
You can save money by securing an ONT to PSE 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 ideal accommodations and flights, you can add extras like car rentals, activities and tours.
Can I cancel or change the date of my flight from Los Angeles - Ontario Intl. Airport (ONT) to Mercedita Airport (PSE)?
In most instances, you can cancel or reschedule your ONT to PSE flight. However, additional charges may apply, especially if your booking was made over 24 hours ago. Double-check your itinerary for the airline's guidelines and fees on flight changes, or if you'd like further details, visit our Customer Service portal.

Travel information

Origin airport
Los Angeles - Ontario Intl.
Destination airport
Mercedita
Roundtrip price
$1,198
Distance
3318 mi

Book with confidence

Ontario to Ponce Flights

The cheapest times to fly from Ontario to Ponce

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 Ontario to Ponce are during the month of May. You can find some of the cheapest flights from Ontario to Ponce with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Ontario to Ponce

Sunday is one of the best days to book for cheap flights from Ontario to Ponce: 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 Ontario to Ponce

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 Ontario to Ponce in 2026. You can also book with separate airlines for your outbound and return journeys, from $784 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 Ontario to Ponce 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 Ontario to Ponce 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.

 

Ontario to Ponce Flights

*Flight schedules are subject to change.

*Available to One Key members.