$95 Cheap flights from Philadelphia Intl. to Los Angeles - Ontario Intl. (PHL to ONT)

Wander Wisely with exceptional service, 24/7 support

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 Philadelphia Intl. to Los Angeles - Ontario Intl.

Amazing PHL to ONT Flight Deals

The cheapest flights to Los Angeles - Ontario Intl. found within the past 7 days were $163 round trip and $95 one way. Prices and availability subject to change. Additional terms may apply.

Mon, Jun 10 - Mon, Jun 10
PHL
Philadelphia
ONT
Ontario
$163 Roundtrip, found 6 days ago
$163
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Mon, Jun 10 from Philadelphia to Ontario, returning Mon, Jun 10, priced at $163 found 6 days ago
Wed, Jun 12 - Thu, Jun 13
PHL
Philadelphia
ONT
Ontario
$190 Roundtrip, found 1 hour ago
$190
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Wed, Jun 12 from Philadelphia to Ontario, returning Thu, Jun 13, priced at $190 found 1 hour ago
Tue, Aug 20 - Tue, Sep 3
PHL
Philadelphia
ONT
Ontario
$193 Roundtrip, found 16 hours ago
$193
Roundtrip
found 16 hours ago
Select Frontier Airlines flight, departing Tue, Aug 20 from Philadelphia to Ontario, returning Tue, Sep 3, priced at $193 found 16 hours ago
Tue, Jun 4 - Tue, Jun 11
PHL
Philadelphia
ONT
Ontario
$195 Roundtrip, found 6 days ago
$195
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Tue, Jun 4 from Philadelphia to Ontario, returning Tue, Jun 11, priced at $195 found 6 days ago
Tue, Sep 3 - Sat, Sep 7
PHL
Philadelphia
ONT
Ontario
$196 Roundtrip, found 21 hours ago
$196
Roundtrip
found 21 hours ago
Select Frontier Airlines flight, departing Tue, Sep 3 from Philadelphia to Ontario, returning Sat, Sep 7, priced at $196 found 21 hours ago
Thu, Aug 22 - Sat, Sep 7
PHL
Philadelphia
ONT
Ontario
$198 Roundtrip, found 16 hours ago
$198
Roundtrip
found 16 hours ago
Select Frontier Airlines flight, departing Thu, Aug 22 from Philadelphia to Ontario, returning Sat, Sep 7, priced at $198 found 16 hours ago
Tue, Sep 3 - Sat, Sep 14
PHL
Philadelphia
ONT
Ontario
$200 Roundtrip, found 16 hours ago
$200
Roundtrip
found 16 hours ago
Select Frontier Airlines flight, departing Tue, Sep 3 from Philadelphia to Ontario, returning Sat, Sep 14, priced at $200 found 16 hours ago
Tue, Sep 3 - Tue, Sep 17
PHL
Philadelphia
ONT
Ontario
$201 Roundtrip, found 16 hours ago
$201
Roundtrip
found 16 hours ago
Select Frontier Airlines flight, departing Tue, Sep 3 from Philadelphia to Ontario, returning Tue, Sep 17, priced at $201 found 16 hours ago
Tue, Sep 10 - Sat, Sep 14
PHL
Philadelphia
ONT
Ontario
$204 Roundtrip, found 20 hours ago
$204
Roundtrip
found 20 hours ago
Select Frontier Airlines flight, departing Tue, Sep 10 from Philadelphia to Ontario, returning Sat, Sep 14, priced at $204 found 20 hours ago
Sat, Sep 14 - Sat, Sep 21
PHL
Philadelphia
ONT
Ontario
$205 Roundtrip, found 1 day ago
$205
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sat, Sep 14 from Philadelphia to Ontario, returning Sat, Sep 21, priced at $205 found 1 day ago

Best Los Angeles - Ontario Intl. Flight and Hotel Packages

Los Angeles - Ontario Intl. flight + hotel packages - economy flights

Price found within the past 48 hours. Click for updated prices.
Motel 6 Ontario, CA - Convention Center - Airport

Motel 6 Ontario, CA - Convention Center - Airport

2 out of 5
per person
Jul 18 - Jul 22
found 7 hours ago
Roundtrip non-stop flight included
Philadelphia (PHL) to Ontario (ONT)
DoubleTree by Hilton Hotel San Bernardino

DoubleTree by Hilton Hotel San Bernardino

4 out of 5
per person
Jul 18 - Jul 22
found 6 hours ago
Roundtrip non-stop flight included
Philadelphia (PHL) to Ontario (ONT)
Hotel Seville

Hotel Seville

2 out of 5
per person
Jul 18 - Jul 22
found 6 hours ago
Roundtrip non-stop flight included
Philadelphia (PHL) to Ontario (ONT)
Ontario Airport Hotel & Conference Center

Ontario Airport Hotel & Conference Center

3.5 out of 5
per person
Jul 18 - Jul 22
found 7 hours ago
Roundtrip non-stop flight included
Philadelphia (PHL) to Ontario (ONT)
La Quinta Inn & Suites by Wyndham Ontario Airport

La Quinta Inn & Suites by Wyndham Ontario Airport

3 out of 5
per person
Jul 11 - Jul 14
found 1 day ago
Roundtrip non-stop flight included
Philadelphia (PHL) to Ontario (ONT)
Don't see what you're looking for?
See all available trips from Philadelphia Intl. to Los Angeles - Ontario Intl.
View all trips

Frequently asked questions

Can I catch a flight from Philadelphia Intl. Airport (PHL) to ONT right now?
It’s always prudent to know about any travel advice reports and quarantine requirements in effect in your destination. Be sure to go to the Covid-19 Travel Advisor for up-to-date info on flying to ONT.
Are there direct flights from Philadelphia Airport to Los Angeles - Ontario Intl. Airport (ONT)?
Unfortunately, there are no direct flights from Philadelphia Intl. Airport (PHL) to Los Angeles - Ontario Intl. Airport (ONT). However, there are airlines that have flights with only one stopover. Check out the fares on offer from American Airlines, Delta and United Airlines.
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 ONT, please visit our Customer Service Portal.
How long is the flight from Philadelphia Intl. Airport (PHL) to ONT?
With the flight from Philadelphia to Ontario taking around 6 hours and 56 minutes, there’ll be time to get things done in the air. Make good use of your trip by bringing that book you’ve always wanted to read, checking out what’s on the in-flight entertainment or taking a nice long nap. You might even find you can squeeze in all three before arriving.
What is the flight distance from PHL to Ontario Airport?
Traveling 2,400 mi between Philadelphia Airport and Philadelphia Airport calls for a glass of red and some good movies. Kick back, get comfortable and simply enjoy the flight.
What airlines fly from Philadelphia Intl. Airport (PHL) to ONT?
With no direct flights on offer, it’s in your best interest to book in advance when you’re traveling between Philadelphia Airport and ONT. Find the simplest route with the fewest layovers and save yourself some time.
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 Southwest Airlines, American 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 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
Philadelphia Intl.
Traveling To
Los Angeles - Ontario Intl.
Shortest Flight Time
 hours mins
Earliest Departure Time
Latest Departure Time
Lowest Flight Price
$163

Route Info

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


Origin:
PHL - Philadelphia International Airport
Destination:
ONT - LA/Ontario International Airport
Distance:
2,408.00 miles


Airlines & Aircraft Used on PHL to ONT Flight Routes


Airline Carrier
Aircraft
American Airlines
De Havilland Canada DHC-6 Twin Otter

Discover our best flights from Philadelphia PHL to Ontario ONT. 

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 Philadelphia PHL to Ontario ONT at the right price  

Airfares to Ontario ONT from Philadelphia PHL currently cost between $163 and $205. 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 Philadelphia PHL to Ontario ONT 

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 Philadelphia PHL to Ontario ONT on Travelocity starting at $95. Prices and availability subject to change. Additional terms may apply. 

 

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

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

 

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

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to ONT from PHL. 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 Philadelphia PHL to Ontario ONT today 

If you’re flexible about when you travel, June is usually the cheapest month to fly from Philadelphia PHL to Ontario ONT. 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 Ontario ONT from Philadelphia PHL 

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

 

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