$261 Cheap Flights from Ontario (ONT) to Johnstown (JST)

View $261 flight on Sun, Dec 21, 2025Opens in a new window

Popular airlines from Los Angeles - Ontario Intl. Airport (ONT) to Johnstown, PA (JST-John Murtha Johnstown - Cambria County)

Cheap Flights from Ontario to Johnstown (ONT-JST)

Prices were available within the past 7 days and start at $261 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

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Flights from Ontario (ONT) to Johnstown (JST)
Origin airport
Los Angeles - Ontario Intl.
Destination airport
John Murtha Johnstown - Cambria County
Distance
2158 mi

Ontario to Johnstown Flights

The cheapest times to fly from Ontario to Johnstown

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

 

The best time to book a flight from Ontario to Johnstown

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

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 Johnstown in 2025. You can also book with separate airlines for your outbound and return journeys, from $261 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 Johnstown 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 Johnstown 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 Los Angeles - Ontario Intl. Airport (ONT) to John Murtha Johnstown - Cambria County Airport (JST) cost?
Lock in a cheap one-way flight from $261 or cheap return flight from Los Angeles - Ontario Intl. Airport (ONT) to John Murtha Johnstown - Cambria County Airport (JST) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Los Angeles - Ontario Intl. Airport (ONT) to John Murtha Johnstown - Cambria County Airport (JST)?
Flying in may help you find better deals, as it's the cheapest month for flights between ONT and JST. You'll often find the lowest prices during the off-season.
What is the cheapest airline that flies from Los Angeles - Ontario Intl. Airport (ONT) to John Murtha Johnstown - Cambria County Airport (JST)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest ONT to JST flight.
How many flights per day from Los Angeles - Ontario Intl. Airport (ONT) to John Murtha Johnstown - Cambria County Airport (JST)?
Nonstop flights from Los Angeles - Ontario Intl. Airport (ONT) to John Murtha Johnstown - Cambria County Airport (JST) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from ONT to JST?
Generally you'll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can vary depending on the season, airline and other factors.*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 John Murtha Johnstown - Cambria County Airport (JST)?
To avoid potential delays on the Los Angeles - Ontario Intl. Airport (ONT) to John Murtha Johnstown - Cambria County Airport (JST) route, aim to travel before 3 PM. Later departures are 22% more likely to be canceled.**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 John Murtha Johnstown - Cambria County Airport (JST) last-minute?
Booking your ticket from ONT to JST just before your journey is generally more expensive. However, if there's some wiggle room with your travel times and dates, you could grab a cheap last-minute fare.
Is it cheaper to book an ONT to JST flight and hotel package?
You can save money by securing an ONT to JST flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. Once you've chosen your preferred flights and accommodations, you can add extras such as tours, activities and car rentals.
Can I cancel or change the date of my flight from Los Angeles - Ontario Intl. Airport (ONT) to John Murtha Johnstown - Cambria County Airport (JST)?
If you reserved your ONT to JST 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 ticket you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you want more information.

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*Available to One Key members.