Cheap flights from Philadelphia to Ontario (PHL - ONT)

PHL — ONT
Feb 1 — Feb 81

The best prices from Philadelphia to Ontario are usually found in January or February, booked 41 days in advance, depart on a Sunday or Thursday and return on a Friday

How to find the cheapest flight from Philadelphia (PHL) to Ontario (ONT)

All the information you need to plan the best PHL to ONT flight in 2023: compare Philadelphia to Ontario flight prices with the expected peak season, weather and rainfall in Ontario.

PHL - ONT

Price

$261 - $681

ONT

Temperature

53.6 - 78.8 °F

ONT

Rainfall

0.1 - 3.4 inches

Popular inMayHigh demand for flights, 29% potential price rise
Cheapest inJanuaryBest time to find cheap flights, 46% potential price drop
Round-trip from$261From Philadelphia to Ontario
One-way from$130One-way flight from Philadelphia to Ontario

What is the cheapest day to fly round-trip from Philadelphia to Ontario?

Flights from Philadelphia to Ontario are found to be more expensive on Monday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Ontario.

How far in advance should I book a flight from Philadelphia to Ontario?

Travelers have found it’s best to book a flight 30 days in advance to save up to 30% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 30 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Philadelphia to Ontario 1-2 weeks in advance for as low as $462, or $557 for flights within the next 24 hours.

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

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, February can be a great choice for travel to Ontario. Flights to Ontario from Philadelphia in February are about $419 on average during February, but can be found for as low as $126.

When is the cheapest time to fly from Philadelphia to Ontario (PHL - ONT)?

It’s typically best to fly out from Philadelphia to Ontario in the evening. Doing so could potentially save you 39% on the flight price compared to flying in the afternoon, which is usually more expensive.

Cheap flights from Philadelphia to Ontario in January, February 2023

The best prices found for PHL to ONT flights for January, February
Feb 11 - Feb 18
PHL

Philadelphia

ONT

Ontario

1 stop

21h 10m
ONT

Ontario

PHL

Philadelphia

1 stop

6h 59m
$160

Multiple Airlines

Pick Dates

Deal found 1/24

Feb 13 - Feb 15
PHL

Philadelphia

ONT

Ontario

1 stop

21h 10m
ONT

Ontario

PHL

Philadelphia

1 stop

20h 50m
$162

Multiple Airlines

Pick Dates

Deal found 1/25

Jan 29 - Jan 31
PHL

Philadelphia

ONT

Ontario

1 stop

23h 41m
ONT

Ontario

PHL

Philadelphia

1 stop

13h 38m
$166

Frontier

Pick Dates

Deal found 1/26

Philadelphia to Ontario 2023 flight deals

Cheap flights to Ontario from Philadelphia found for this year
Feb 11 - Feb 18
PHL

Philadelphia

ONT

Ontario

1 stop

21h 10m
ONT

Ontario

PHL

Philadelphia

1 stop

6h 59m
$160

Multiple Airlines

Pick Dates

Deal found 1/24

Feb 13 - Feb 15
PHL

Philadelphia

ONT

Ontario

1 stop

21h 10m
ONT

Ontario

PHL

Philadelphia

1 stop

20h 50m
$162

Multiple Airlines

Pick Dates

Deal found 1/25

Apr 27 - May 2
PHL

Philadelphia

ONT

Ontario

1 stop

8h 20m
ONT

Ontario

PHL

Philadelphia

1 stop

13h 10m
$166

Frontier

Pick Dates

Deal found 1/24

Cheap Frontier flights from Philadelphia to Ontario

Apr 27 - May 2
PHL

Philadelphia

ONT

Ontario

1 stop

8h 20m
ONT

Ontario

PHL

Philadelphia

1 stop

13h 10m
$166

Frontier

Pick Dates

Deal found 1/24

Feb 19 - Feb 23
PHL

Philadelphia

ONT

Ontario

1 stop

16h 56m
ONT

Ontario

PHL

Philadelphia

1 stop

6h 56m
$167

Frontier

Pick Dates

Deal found 1/26

Mar 2 - Mar 5
PHL

Philadelphia

ONT

Ontario

1 stop

19h 13m
ONT

Ontario

PHL

Philadelphia

1 stop

18h 45m
$169

Frontier

Pick Dates

Deal found 1/24

Cheap United Airlines flights from Philadelphia to Ontario

Feb 1 - Feb 9
PHL

Philadelphia

ONT

Ontario

2 stops

17h 05m
ONT

Ontario

PHL

Philadelphia

2 stops

24h 30m
$395

United Airlines

Pick Dates

Deal found 1/25

Feb 1 - Feb 9
PHL

Philadelphia

ONT

Ontario

2 stops

17h 05m
ONT

Ontario

PHL

Philadelphia

1 stop

17h 27m
$475

United Airlines

Pick Dates

Deal found 1/25

Feb 2 - Feb 7
PHL

Philadelphia

ONT

Ontario

2 stops

17h 05m
ONT

Ontario

PHL

Philadelphia

2 stops

16h 33m
$495

United Airlines

Pick Dates

Deal found 1/26

Last minute flights from Philadelphia to Ontario

Late deals on return flights to Ontario from Philadelphia, departing today and this week
Feb 3 - Feb 5
PHL

Philadelphia

ONT

Ontario

1 stop

14h 01m
ONT

Ontario

PHL

Philadelphia

1 stop

18h 13m
$166

Frontier

Pick Dates

Deal found 1/24

Jan 31 - Feb 11
PHL

Philadelphia

ONT

Ontario

1 stop

13h 47m
ONT

Ontario

PHL

Philadelphia

1 stop

8h 33m
$167

Frontier

Pick Dates

Deal found 1/26

Feb 2 - Feb 5
PHL

Philadelphia

ONT

Ontario

1 stop

12h 55m
ONT

Ontario

PHL

Philadelphia

1 stop

18h 13m
$169

Frontier

Pick Dates

Deal found 1/24

One-way flights to Ontario from Philadelphia

The cheapest one-way flights from Philadelphia to Ontario
Feb 8
PHL

Philadelphia

ONT

Ontario

1 stop

20h 39m
$65

Frontier

Pick Dates

Deal found 1/26

Feb 8
PHL

Philadelphia

ONT

Ontario

2 stops

21h 13m
$74

Frontier

Pick Dates

Deal found 1/26

Feb 26
PHL

Philadelphia

ONT

Ontario

1 stop

8h 04m
$81

Frontier

Pick Dates

Deal found 1/24

Reviews of Airlines Servicing Ontario

Delta
7.9
Good
1,999 reviews

Entertainment

7.8

Food

7.2

Crew

8.5

Boarding

8.0

Comfort

7.9

Overall

7.9

Reviews

1 / 10

Why don’t you ask military veterans, along with active duty military to board at the same time?

Delta
7.9
Good
1,999 reviews
Delta
7.9
Good
1,999 reviews

Entertainment

7.8

Food

7.2

Crew

8.5

Boarding

8.0

Comfort

7.9

Overall

7.9

Reviews

1 / 10

Why don’t you ask military veterans, along with active duty military to board at the same time?

American Airlines
7.4
Good
1,666 reviews
Delta
7.9
Good
1,999 reviews

Entertainment

7.8

Food

7.2

Crew

8.5

Boarding

8.0

Comfort

7.9

Overall

7.9

Reviews

1 / 10

Why don’t you ask military veterans, along with active duty military to board at the same time?

Frontier
6.1
Okay
536 reviews
Delta
7.9
Good
1,999 reviews

Entertainment

7.8

Food

7.2

Crew

8.5

Boarding

8.0

Comfort

7.9

Overall

7.9

Reviews

1 / 10

Why don’t you ask military veterans, along with active duty military to board at the same time?

Related info for your journey

Useful info, stats and facts about Philadelphia to Ontario flights.

Which airlines flying from Philadelphia to Ontario have flexible cancellations due to COVID-19?

Some of our airline partners flying from Philadelphia to Ontario have new flexible policies in place due to COVID-19. American Airlines, Frontier, and Delta are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like American Airlines with this kind of flexibility.

Can I find flights from Philadelphia to Ontario for under $200 on Cheapflights?

Yes, there are multiple flights from Philadelphia to Ontario for under $200. The cheapest flight booked recently is on Multiple Airlines for just $160, but on average you can expect to pay $185.

Are there last-minute flights available from Philadelphia to Ontario for under $200?

There are currently 20+ open flights from Philadelphia to Ontario within the next 7 days for less than $200.

How popular is this Philadelphia to Ontario flight route?

Within the past month, 29 users have taken a look at flights from Philadelphia to Ontario.

What is the cheapest airline to fly from Philadelphia to Ontario round-trip?

Our cheapest airline available from Philadelphia to Ontario is Frontier. Our recent data shows that you can find tickets from as low as $166 on this airline. Users have found that Frontier is 65% cheaper than the other options available to this destination.

What are the most popular airlines that fly from Philadelphia to Ontario?

Consider American Airlines, Alaska Airlines or Delta when booking your flight. These represent the most popular airlines when flying from Philadelphia to Ontario.

What are the cheapest flights from Philadelphia to Ontario?

The cheapest flight price from Philadelphia to Ontario is $81. On average you can expect to pay $1,137. The most popular route, (Philadelphia - Ontario), can usually be booked for $162.

Alternative routes for Philadelphia to Ontario

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Philadelphia to Ontario

The chart below displays the airlines Cheapflights users traveling from Philadelphia to Ontario choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Juneyao AirlinesCheapest$16Average$19FlexibilityNo cancel feeOn-time66%COVID-19 safety
Search Juneyao Airlines flights
FrontierCheapest$154Average$298FlexibilityNo cancel feeOn-time62%COVID-19 safety
Search Frontier flights
DeltaCheapest$357Average$599FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights
American AirlinesCheapest$376Average$616FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights
United AirlinesCheapest$407Average$888FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights
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