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Cheap flights from Philadelphia to Ontario from $82

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Ontario departing on 12/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Philadelphia to Los Angeles

Cheap round-trip flights

These are some of the best round-trip flight deals from Philadelphia to Los Angeles that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Philadelphia to Los Angeles.

Cheap last minute flights

Planning a quick getaway from Philadelphia to Los Angeles? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Los Angeles, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Philadelphia to Los Angeles

Find recent round-trip train or bus tickets from Philadelphia to Los Angeles.

All round-trip flight deals to Los Angeles

The cheapest plane tickets to Los Angeles found on KAYAK recently.
9:53 pm - 9:39 amPHL-ONT
14h 46m1 stop
6:45 am - 8:48 pmONT-PHL
11h 03m1 stop
$128Frontier
Find Deal
Thu, Jan 9 - Thu, Jan 16
9:53 pm - 9:39 amPHL-ONT
14h 46m1 stop
2:33 pm - 6:00 amONT-PHL
12h 27m1 stop
$148Frontier
Find Deal
Thu, Dec 12 - Wed, Dec 25
9:53 pm - 5:34 pmPHL-ONT
22h 41m1 stop
6:45 am - 8:41 pmONT-PHL
10h 56m1 stop
$149Frontier
Find Deal
Thu, Dec 5 - Thu, Dec 12
5:30 am - 10:52 amPHL-ONT
8h 22m1 stop
12:05 pm - 12:55 amONT-PHL
9h 50m1 stop
$346Delta
Find Deal
Sat, Dec 7 - Sat, Dec 14
10:45 am - 3:25 pmPHL-ONT
7h 40m1 stop
6:10 am - 4:03 pmONT-PHL
6h 53m1 stop
$347American Airlines
Find Deal
Sat, Dec 7 - Wed, Dec 11
7:05 am - 12:11 pmPHL-ONT
8h 06m1 stop
12:05 pm - 12:55 amONT-PHL
9h 50m1 stop
$356Delta
Find Deal
Thu, Nov 28 - Sat, Dec 7
1:35 pm - 6:25 pmPHL-ONT
7h 50m1 stop
6:10 am - 5:57 pmONT-PHL
8h 47m2 stops
$373American Airlines
Find Deal
Tue, Dec 31 - Tue, Jan 7
6:25 pm - 11:50 pmPHL-ONT
32h 25m1 stop
7:14 pm - 5:25 pmONT-PHL
19h 11m1 stop
$422Alaska Airlines
Find Deal
Sat, Mar 1 - Mon, Mar 3
6:50 pm - 6:49 pmPHL-ONT
26h 59m2 stops
7:00 am - 5:45 amONT-PHL
19h 45m2 stops
$448Alaska Airlines
Find Deal
Thu, Dec 12 - Sun, Dec 15
10:30 am - 11:58 pmPHL-ONT
16h 28m3 stops
6:28 pm - 9:40 amONT-PHL
12h 12m2 stops
$461United Airlines
Find Deal
Sat, Dec 7 - Tue, Dec 10
7:15 am - 12:29 pmPHL-ONT
8h 14m1 stop
$82Frontier
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Thu, Dec 19
5:40 am - 11:32 amPHL-ONT
8h 52m1 stop
$83Frontier
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Tue, Dec 17
7:00 am - 12:27 pmPHL-ONT
8h 27m1 stop
$173Delta
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Sat, Dec 14
5:30 am - 11:01 amPHL-ONT
8h 31m1 stop
$198Delta
Find Deal
Wed, Dec 18
6:32 pm - 10:38 amPHL-ONT
19h 06m1 stop
$217Alaska Airlines
Find Deal
Tue, Jan 28
6:20 pm - 11:58 pmPHL-ONT
8h 38m1 stop
$223United Airlines
Find Deal
Sat, Dec 14
12:44 pm - 8:51 pmPHL-ONT
11h 07m2 stops
$228United Airlines
Find Deal
Sat, Jan 11
6:32 pm - 6:13 pmPHL-ONT
26h 41m1 stop
$237Alaska Airlines
Find Deal
Fri, Feb 7
11:45 am - 7:40 pmPHL-ONT
10h 55m2 stops
$269Southwest
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Fri, Nov 22
5:00 pm - 12:15 amPHL-ONT
10h 15m2 stops
$373Southwest
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Sat, Dec 21
8:38 pm - 10:11 amPHL-ONT
16h 33m1 stop
2:19 pm - 5:31 amONT-PHL
12h 12m1 stop
$190Frontier
Find Deal
Mon, Nov 18 - Thu, Nov 21
8:45 pm - 7:36 amPHL-ONT
13h 51m1 stop
10:55 am - 5:30 amONT-PHL
15h 35m1 stop
$196Frontier
Find Deal
Sun, Nov 17 - Wed, Nov 20
8:28 pm - 7:31 amPHL-ONT
14h 03m1 stop
2:19 pm - 5:31 amONT-PHL
12h 12m1 stop
$263Frontier
Find Deal
Sat, Nov 16 - Thu, Nov 28
8:45 pm - 7:36 amPHL-ONT
13h 51m1 stop
1:40 pm - 5:41 amONT-PHL
13h 01m2 stops
Sun, Nov 17 - Tue, Nov 19
7:05 am - 12:11 pmPHL-ONT
8h 06m1 stop
7:10 am - 11:31 pmONT-PHL
13h 21m2 stops
$736Delta
Find Deal
Mon, Nov 18 - Mon, Nov 25
3:05 pm - 11:53 pmPHL-ONT
11h 48m2 stops
7:10 am - 11:31 pmONT-PHL
13h 21m2 stops
$741Delta
Find Deal
Mon, Nov 18 - Mon, Nov 25
7:30 am - 12:40 pmPHL-ONT
8h 10m1 stop
5:05 am - 7:13 pmONT-PHL
11h 08m2 stops
$786United Airlines
Find Deal
Mon, Nov 18 - Thu, Nov 21
2:50 pm - 10:02 pmPHL-ONT
10h 12m2 stops
5:05 am - 7:13 pmONT-PHL
11h 08m2 stops
$791United Airlines
Find Deal
Mon, Nov 18 - Thu, Nov 21
7:00 pm - 11:50 pmPHL-ONT
7h 50m1 stop
12:20 pm - 12:45 amONT-PHL
9h 25m2 stops
$812Southwest
Find Deal
Sun, Nov 17 - Sat, Nov 23
9:29 pm - 10:10 pmPHL-ONT
27h 41m2 stops
12:58 am - 1:47 pmONT-PHL
33h 49m3 stops
$1,408
Find Deal
Fri, Nov 15 - Sun, Nov 17

Frontier flights from Philadelphia to Ontario

Our best Frontier deals on Philadelphia to Ontario flight tickets
Frontier
Jan 9
PHL9:53 pmPhiladelphia
14h 46m
1 stop
ONT9:39 amOntario
Jan 16
ONT6:45 amOntario
11h 03m
1 stop
PHL8:48 pmPhiladelphia
Frontier
Dec 12
PHL9:53 pmPhiladelphia
14h 46m
1 stop
ONT9:39 amOntario
Dec 25
ONT2:33 pmOntario
12h 27m
1 stop
PHL6:00 amPhiladelphia
Frontier
Dec 5
PHL9:53 pmPhiladelphia
22h 41m
1 stop
ONT5:34 pmOntario
Dec 12
ONT6:45 amOntario
10h 56m
1 stop
PHL8:41 pmPhiladelphia

Delta flights from Philadelphia to Ontario

Our best Delta deals on Philadelphia to Ontario flight tickets
Delta
Dec 7
PHL5:30 amPhiladelphia
8h 22m
1 stop
ONT10:52 amOntario
Dec 14
ONT12:05 pmOntario
9h 50m
1 stop
PHL12:55 amPhiladelphia
Delta
Nov 28
PHL7:05 amPhiladelphia
8h 06m
1 stop
ONT12:11 pmOntario
Dec 7
ONT12:05 pmOntario
9h 50m
1 stop
PHL12:55 amPhiladelphia
Delta
Nov 28
PHL7:05 amPhiladelphia
8h 06m
1 stop
ONT12:11 pmOntario
Dec 7
ONT5:10 pmOntario
13h 01m
2 stops
PHL9:11 amPhiladelphia

How to get the cheapest flight ticket from Philadelphia to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly from Philadelphia to Ontario?

April. The cheapest time of year to fly to Ontario from Philadelphia is April. Most expensive is June

What is the cheapest day to depart Philadelphia for Ontario?

Wednesday. The cheapest day of the week is typically Wednesday. The most expensive is typically Tuesday

When is the cheapest time to fly from Philadelphia to Ontario?

In the evening. Philadelphia to Ontario flights are approximately 24% more expensive in the afternoon than in the evening

What is the cheapest airline that flies to Ontario from Philadelphia?

Frontier. Frontier, Spirit Airlines, and Delta are the most popular carriers operating from Philadelphia to Ontario

What is the cheapest Philadelphia to Ontario flight route?

Philadelphia - Ontario. Fly from Philadelphia to Ontario for the best Philadelphia - Ontario flight prices

How far in advance should you book Philadelphia to Ontario flights?

26 days before. The cheapest time to buy a flight from Philadelphia to Ontario is approximately 26 days to departure

Can stopping save me money on Philadelphia to Ontario flights?

You could potentially save up to 30% on your flight if you consider stops on a Philadelphia to Ontario flight.

How have Philadelphia to Ontario flight prices changed over time?

As of November 2024, prices for Philadelphia to Ontario flights are approximately 8% more expensive when compared to flights at the same time last year.

When to book flights from Philadelphia to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Philadelphia to Ontario according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Philadelphia to Ontario (PHL to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Ontario

Best Price Found

$82

Fastest flight time

7h 23m

Direct flights

None

Airports in Ontario

1 airport
The best one-way flight to Ontario from Philadelphia in the past 72 hours is $82. The best round-trip flight deal from Philadelphia to Ontario found on momondo in the last 72 hours is $128.
The fastest flight from Philadelphia to Ontario takes 7h 23m
There are no direct flights from Philadelphia to Ontario. Popular non-direct route for this connection is Philadelphia Airport - Ontario Airport.
There is 1 airport near Ontario: Ontario (ONT)

  • How far is Philadelphia to Ontario by plane?

    Ontario is 2355.5 mi away from Philadelphia. Flights usually cover this in 7h 23m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Philadelphia Airport to Ontario Airport?

    Prices for flights from Philadelphia Airport to Ontario Airport refresh daily.

  • How many operators does momondo search for flights from Philadelphia Airport to Ontario Airport?

  • How old do you have to be to fly from Philadelphia Airport to Ontario Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Philadelphia Airport to Ontario Airport.

  • What documentation or ID do you need to fly to Ontario Airport?

    The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Philadelphia to Ontario?


Best airlines flying from Philadelphia to Ontario

Compare and see reviews for airlines that fly from Philadelphia to Ontario with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $138Free CancellationRating
6.1
3,551 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $152Free CancellationRating
6.3
8,167 reviews
Search Spirit Airlines flights
DeltaPriceFrom $259Free CancellationRating
8.0
8,788 reviews
Search Delta flights
American AirlinesPriceFrom $269Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $280Free CancellationRating
7.4
9,194 reviews
Search United Airlines flights
SouthwestPriceFrom $298Free CancellationRating
8.1
5,045 reviews
Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Philadelphia to Ontario?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Philadelphia to Ontario for you.

Can I find flights from Philadelphia to Ontario with flexible booking policies on momondo?

All flight searches from Philadelphia to Ontario on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Philadelphia to Ontario?

momondo provides multiple filters to help you find the best flight to Ontario from Philadelphia. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Philadelphia to Ontario right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Ontario, momondo offers a useful price alert feature which will track prices for flights to Ontario from Philadelphia and alert you when they change.


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