Flights from Los Angeles - Ontario Intl. (ONT) to Philadelphia Intl. (PHL) starting at $64

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

Find The Best Dates To Fly from Los Angeles - Ontario Intl. to Philadelphia Intl.

Amazing ONT to PHL Flight Deals

The cheapest flights to Philadelphia Intl. found within the past 7 days were $128 round trip and $64 one way. Prices and availability subject to change. Additional terms may apply.

Best Philadelphia Intl. Flight and Hotel Packages

Philadelphia Intl. flight + hotel packages - economy flights

The Maj Hotel
Cambria Hotel Philadelphia Downtown Center City
The Notary Hotel, Autograph Collection
DoubleTree by Hilton Philadelphia Center City
Philadelphia Airport Marriott
Don't see what you're looking for?
See all available trips from Los Angeles - Ontario Intl. to Philadelphia Intl.
View all trips

FAQs about flights from Los Angeles - Ontario Intl. Airport (ONT) to Philadelphia Intl. Airport (PHL)

Can I catch a flight from Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.) to Philadelphia, PA Airport (PHL-Philadelphia Intl.) right now?

Ensure you check out our Covid-19 Travel Advisor to find out if there are any present travel advice reports and quarantine requirements in effect in Philadelphia, PA Airport (PHL-Philadelphia Intl.) when jet-setting from Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.).

Are there direct flights from Ontario Airport to Philadelphia Intl. Airport (PHL)?

If you need to travel as quickly as possible from Ontario Airport to Philadelphia Intl. Airport (PHL), have a look at American Airlines, Delta and Frontier Airlines. No airlines advertise nonstop flights between the two locations, so you'll need to make at least one stopover.

If I am not able to travel due to COVID-19, can I change my booking to a later date?

For more info about changing your flight to PHL, please visit our Customer Service Portal.

How long is the flight from ONT to Philadelphia Airport?

It usually takes around 6 hours and 23 minutes to travel from ONT to Philadelphia Airport. You'll be in your seat for a while, so amuse yourself with a podcast or read your favorite novel.

What is the flight distance from Ontario Airport to Philadelphia, PA Airport (PHL-Philadelphia Intl.)?

The flight distance from Los Angeles - Ontario Intl. Airport (ONT) to Philadelphia Airport is 2,610 mi. Neck pillow? Check. Toothbrush for a mid-flight freshen up? Check. Pack all the long-haul survival tools for this lengthy flight.

What airlines fly from Ontario Airport to Philadelphia Airport?

No airlines currently offer a direct flight between Ontario Airport and PHL. Save time and avoid tedious layovers by searching for the quickest routes well in advance.

What airlines have practices regarding COVID-19 in place and use social distancing?

From the moment you enter the departure terminal to when you leave the arrivals terminal, if you're flying with American Airlines, Frontier Airlines or Delta you can be sure that COVID-19 measures and social distancing rules have been adhered to. Many airlines have introduced capped capacity flights and keeping the middle seat empty.

What is the best day to buy a plane ticket?

This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2020. Wednesday and Friday prices are also good, but you may want to prepare your budget if booking on a Sunday, as data shows the end of the week is when prices are generally at their highest.

What are the cheapest days to fly?

Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2020, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.

How far in advance can you book a flight?

Trying to figure out how early you should book your flight? It's possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2020 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 2 weeks to 2 months prior to their travel dates.

How can I save money on airline tickets?

We'll let you in on a secret...You can save big on flights if you mix and match your airlines and fare types. In fact, travelers who booked flights on Travelocity in 2020 saved nearly 40% when their return flights consisted of two different airlines or fare types.

*According to flight demand on Travelocity.com from January to December 2020. Savings are subject to change based on departure location, date and destination.

Los Angeles - Ontario Intl. to Philadelphia Intl. Flight FAQ

Traveling From Los Angeles - Ontario Intl.
Traveling To Philadelphia Intl.
Shortest Flight Time hours mins
Earliest Departure Time
Latest Departure Time
Lowest Flight Price $128

Route Info

Flight path for flights from LA/Ontario International Airport to Philadelphia International Airport.

Distance:
2,382.00 miles

Discover our best flights from Ontario ONT to Philadelphia PHL. 

With 20 airlines to choose from on Travelocity, you can easily find the best option for you. Use our filters to sort by price, compare airlines, and find the most convenient flight times. 

 

Find our best return flights from Ontario ONT to Philadelphia PHL at the right price  

Airfares to Philadelphia PHL from Ontario ONT currently cost between $128 and $158. It’s usually cheaper to book a round trip than two separate one-way flights. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way flights from Ontario ONT to Philadelphia PHL 

If you want to be flexible about when you return, or keep your travel options open ended, a one-way flight could be just the ticket! You’ll find one-way airfares from Ontario ONT to Philadelphia PHL on Travelocity starting at $64. Prices and availability subject to change. Additional terms may apply. 

 

Get to Philadelphia PHL from Ontario ONT quicker with direct flights. 

Get to Philadelphia faster, without the hassle of changing planes and moving baggage, by booking a direct flight. Expect your direct flight to PHL from ONT to take around hour(s) min(s).  

 

Find our cheapest airfares for flights from Ontario ONT to Philadelphia PHL

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to PHL from ONT. Our Price Match Promise means if you find a lower rate on Travelocity.com or on another US-based website within 24 hours of booking, we’ll credit or refund the difference.  

 

Get our best airfare deals for your flight from Ontario ONT to Philadelphia PHL today 

If you’re flexible about when you travel, September is usually the cheapest month to fly from Ontario ONT to Philadelphia PHL. If you need to be more specific, search by date and arrival and departure times.Then, compare prices across different airlines, and sort results by lowest price first. 

 

Book flexible airline tickets for flights to Philadelphia PHL from Ontario ONT 

Some airlines let you change your travel dates without charging a fee. Use our ‘no change fee’ filter to see which flights to PHL from ONT have this option.  

 

Travel with confidence when you book flights to Philadelphia PHL from Ontario ONT with Travelocity 

We’ve secured fantastic deals with all the main airline carriers and it’s easy to compare, choose, and book with Travelocity. With 24/7 customer service and our free 'App', we’ll always keep you moving. 

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.