$68 Cheap Flights from New York (LGA) to Ontario (ONT)

Popular airlines from LaGuardia Airport (LGA) to Los Angeles - Ontario Intl. Airport (ONT)

Cheap Flights from New York to Ontario (LGA-ONT)

Prices were available within the past 7 days and start at $68 for one-way flights and $143 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Southwest Airlines
Southwest Airlines
Southwest Airlines
Southwest Airlines
Southwest Airlines
American Airlines
Frontier Airlines
United
Delta

Find the cheapest month to fly from New York (LGA) to Ontario (ONT)

October is typically the cheapest month to fly

From $158 - $515 per traveler.

Alternative airports near Ontario

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

Frequently asked questions

How much does a flight from LaGuardia Airport (LGA) to Los Angeles - Ontario Intl. Airport (ONT) cost?
Lock in a cheap one-way flight from $68 or cheap return flight from $143 from LaGuardia Airport (LGA) to Los Angeles - Ontario Intl. Airport (ONT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from LaGuardia Airport (LGA) to Los Angeles - Ontario Intl. Airport (ONT)?
January is the most affordable month to fly from LGA to ONT. Traveling during an off-peak travel window is often the key to finding better fares.
What is the cheapest airline that flies from LaGuardia Airport (LGA) to Los Angeles - Ontario Intl. Airport (ONT)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest LGA to ONT flight.
How many flights per day from LaGuardia Airport (LGA) to Los Angeles - Ontario Intl. Airport (ONT)?
You'll have to take a flight with a layover when traveling from LaGuardia Airport (LGA) to Los Angeles - Ontario Intl. Airport (ONT). Direct flights don't operate daily on this route. However, just 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 LGA to ONT?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can vary depending on various factors, such as 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 LaGuardia Airport (LGA) to Los Angeles - Ontario Intl. Airport (ONT)?
To avoid potential delays on the LaGuardia Airport (LGA) to Los Angeles - Ontario Intl. Airport (ONT) route, travel before 3 PM. Later flights have a 22% higher chance of being 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 LaGuardia Airport (LGA) to Los Angeles - Ontario Intl. Airport (ONT) last-minute?
Booking your ticket from LGA to ONT just before your journey is usually more expensive. However, if there's some wiggle room with your itinerary, you could score a cheap last-minute fare.
Is it cheaper to book a LGA to ONT flight and hotel package?
You'll typically save money by booking a LGA to ONT 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 everything in one place. Once you've selected your ideal flights and accommodations, consider adding extras like car rentals, activities and tours.
Can I cancel or change the date of my flight from LaGuardia Airport (LGA) to Los Angeles - Ontario Intl. Airport (ONT)?
Typically, you can cancel or reschedule your LGA to ONT flight. However, there may be additional fees, especially if you booked over 24 hours ago. Check your itinerary for the airline's rules and fees on flight changes, or if you'd like more information, head to our Customer Service portal.

Travel information

Origin airport
LaGuardia
Destination airport
Los Angeles - Ontario Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Roundtrip price
$143
Distance
2417 mi

Book with confidence

Explore a world of travel with Expedia

*Available to One Key members.