$84 Cheap flights from Los Angeles - Ontario Intl. to Philadelphia Intl. (ONT to PHL)

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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 $168 round trip and $84 one way. Prices and availability subject to change. Additional terms may apply.

Frequently asked questions

Can I catch a flight from Ontario Airport to PHL right now?
For info on any current PHL quarantine requirements and travel advice, go to the Covid-19 Travel Advisor. Check before you arrange your flight, so you don’t get caught up.
Are there direct flights from Los Angeles - Ontario Intl. Airport (ONT) to Philadelphia Airport?
You won’t find a flight direct from ONT to PHL, but there’s no need to panic. American Airlines, Delta and United Airlines operate flights with only 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 Philadelphia Intl. Airport (PHL), please visit our Customer Service Portal.
How long is the flight from Los Angeles - Ontario Intl. Airport (ONT) to Philadelphia Intl. Airport (PHL)?
With the flight from Ontario to Philadelphia taking on average 6 hours and 15 minutes, you’ll have time to get a lot of things done in the air. Take advantage of the trip by bringing that book you’ve always wanted to read, exploring the in-flight entertainment or having a good snooze. You might even find you’re able to squeeze in all three before disembarking.
What is the flight distance from Ontario Airport to Philadelphia Airport?
You’ll have to journey about 2,400 mi from ONT to Philadelphia Airport before you can officially kick-start those adventures you have planned. Grab a coffee when the drink cart rolls by and catch up on one or two of your favorite movies. You’ll have loads of time!
What airlines fly from ONT to PHL?
When traveling from ONT to PHL, you’ll need to plan ahead — no direct flights are currently available. Booking well in advance should help you find the best possible price and route.
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, Delta or Frontier Airlines 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 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that 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 2021, 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 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

 

Traveling From
Los Angeles - Ontario Intl.
Traveling To
Philadelphia Intl.
Shortest Flight Time
hours mins
Earliest Departure Time
Latest Departure Time
Lowest Flight Price
$168

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 $168 and $198. 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 $84. 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, April 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.