Cheap Flight Tickets from Ontario (ONT) to Philadelphia (PHL), Starting at $240

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

$267

DL Delta Airlines • 1 stop • 13h 59m

Oct 07 – Oct 14

The cheapest round trip flight from Ontario to Philadelphia (ONT-PHL-ONT) is currently $267

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Cheapest Direct Flight

$240

AA American Airlines • nonstop • 8h 34m

Oct 07

The cheapest nonstop flight from Ontario to Philadelphia (ONT-PHL) is currently $240

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Fastest Flight

8h 31m

The fastest nonstop flight from Ontario to Philadelphia (ONT-PHL) takes 8h 31m

Top Airlines Flying from Ontario to Philadelphia

Southwest Airlines-WN

Southwest Airlines

Delta Airline, DL

Delta Airlines

Alaska Airlines -AS

Alaska Airlines

United Airlines, UA

United Airlines

American Airlines, AA

American 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 07 - Oct 14, Economy
DL
Ontario → Philadelphia
13h 59m
6:00 AM - 5:39 PM • 1 stop
DL
Ontario → Philadelphia
14h 19m
2:26 PM - 8:25 PM • 1 stop
$267
Delta Airlines
Oct 07 - Oct 14, Economy
WN
Ontario → Philadelphia
16h 50m
8:25 AM - 9:35 PM • 2 stops
WN
Ontario → Philadelphia
12h 5m
1:20 PM - 5:45 PM • 1 stop
$576
Southwest Airlines
Oct 08 - Oct 15, Economy
F9
Ontario → Philadelphia
12h 23m
11:52 AM - 11:33 AM • 2 stops
F9
Ontario → Philadelphia
12h 19m
5:50 AM - 7:40 PM • 2 stops
$779
Frontier Airlines
Oct 08 - Oct 15, Economy
F9
Ontario → Philadelphia
12h 23m
6:15 AM - 11:43 PM • 2 stops
F9
Ontario → Philadelphia
12h 19m
5:50 AM - 7:40 PM • 2 stops
$805
Frontier Airlines
Oct 08 - Oct 15, Economy
DL
Ontario → Philadelphia
24h 9m
7:07 AM - 12:56 AM • 1 stop
DL
Ontario → Philadelphia
13h 36m
7:20 AM - 12:36 PM • 1 stop
$954
Delta Airlines
Oct 08 - Oct 15, Economy
AS
Ontario → Philadelphia
20h 28m
2:13 PM - 5:41 AM • 1 stop
AS
Ontario → Philadelphia
17h 17m
4:17 PM - 11:54 PM • 1 stop
$1283
Alaska 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?
Yes, you can fly ONT to PHL non-stop on
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 6:00 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 F9 : USD 779
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 11:59 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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