Cheap Flight Tickets from Ontario (ONT) to Philadelphia (PHL), Starting at $393

Good to Know: Cheapest and Fastest ONT - PHL Flights

Useful information for finding best airline tickets from Ontario International to Philadelphia International on your next trip.

Cheapest Round Trip Flight

$393

WN Southwest Airlines • 1 stop • 15h

Oct 30 – Nov 02

The cheapest round trip flight from Ontario to Philadelphia (ONT-PHL-ONT) is currently $393

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Fastest Flight

12h 30m

The fastest nonstop flight from Ontario to Philadelphia (ONT-PHL) takes 12h 30m

Top Airlines Flying from Ontario to Philadelphia

Southwest Airlines-WN

Southwest Airlines

Delta Airline, DL

Delta Airlines

American Airlines, AA

American Airlines

Alaska Airlines -AS

Alaska Airlines

Latest Flight Deals from Ontario (ONT) to Philadelphia (PHL)

Compare and book low fare round-trip air tickets from Ontario to Philadelphia. Ideal for travelers with confirmed return itineraries.

Oct 30 - Nov 02, Economy
WN
Ontario → Philadelphia
15h
11:55 PM - 11:55 AM • 1 stop
WN
Ontario → Philadelphia
13h 55m
7:30 AM - 1:05 PM • 1 stop
$393
Southwest Airlines
Oct 30 - Nov 02, Economy
WN
Ontario → Philadelphia
17h
5:40 AM - 7:00 PM • 1 stop
WN
Ontario → Philadelphia
20h 5m
5:00 AM - 2:05 PM • 1 stop
$393
Southwest Airlines
Oct 30 - Nov 02, Economy
WN
Ontario → Philadelphia
12h 30m
5:40 AM - 4:30 PM • 1 stop
WN
Ontario → Philadelphia
22h 10m
12:10 PM - 10:40 PM • 1 stop
$393
Southwest Airlines
Oct 30 - Nov 02, Economy
WN
Ontario → Philadelphia
26h 40m
6:10 AM - 1:10 AM • 2 stops
WN
Ontario → Philadelphia
13h 55m
7:30 AM - 1:05 PM • 1 stop
$399
Southwest Airlines
Oct 30 - Nov 02, Economy
DL
Ontario → Philadelphia
14h 4m
6:00 PM - 5:44 AM • 1 stop
DL
Ontario → Philadelphia
13h 26m
6:00 AM - 11:06 AM • 1 stop
$508
Delta Airlines
Oct 30 - Nov 02, Economy
DL
Ontario → Philadelphia
13h 59m
6:00 AM - 5:39 PM • 1 stop
DL
Ontario → Philadelphia
13h 40m
2:10 PM - 7:30 PM • 1 stop
$508
Delta Airlines

Fly from Ontario to Philadelphia with the Best Airfare Deals on FareLeaders

Looking for a cheap last-minute deal or the best round-trip flight from Ontario to Philadelphia? Find the biggest savings on one-way and round-trip tickets right here.

FAQs on Ontario to Philadelphia Flights

What are the airports in Ontario?
ONT
What’s the most popular airline flying from ONT to PHL?
The most popular airline flying from Ontario to Philadelphia are
Can I fly from ONT to PHL non-stop?
NO
Which airlines fly nonstop between Ontario and Philadelphia?
The non-stop flights between Ontario and Philadelphia are .
What’s the earliest departure time from ONT to PHL Airport?
The earliest flight leaves ONT at 5:40 am and lands in PHL - Philadelphia International
What are the airports in Philadelphia?
PHL
Can I make changes to my Ontario to Philadelphia flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from ONT to PHL?
Read the fare rules of the Ontario to Philadelphia air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Ontario and Philadelphia?
operate flights between Ontario and Philadelphia
How long does a flight from Ontario to Philadelphia take?
It takes approximately 5 hour to fly non-stop from ONT to PHL, which is 2355.69 miles by air.
Which airlines provide the cheapest flights from Ontario (ONT) to Philadelphia (PHL) ?
In the past couple of days, the cheapest tickets to PHL from ONT were found on DL : USD 508
Do I need a passport to fly between ONT and PHL?
No
What’s the latest departure time from ONT to PHL ?
The last flight leaves ONT at 11:55 pm

Ontario (ONT) to Philadelphia (PHL): Airport Information

Origin Airport Ontario International , Ontario, US
Destination Airport Philadelphia International , Philadelphia, US
Distance 2356 miles

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