Cheap flights from Ontario to Philadelphia (ONT - PHL)

ONT — PHL
Aug 16 — Aug 231

The best prices from Ontario to Philadelphia are usually found in February or January, booked 57 days in advance, depart on a Thursday or Wednesday and return on a Monday

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

All the information you need to plan the best ONT to PHL flight in 2022: compare Ontario to Philadelphia flight prices with the expected peak season, weather and rainfall in Philadelphia.

ONT - PHL

Price

$228 - $589

PHL

Temperature

33.8 - 78.8 °F

PHL

Rainfall

2.7 - 4.4 inches

Popular inAprilHigh demand for flights, 29% potential price rise
Cheapest inFebruaryBest time to find cheap flights, 45% potential price drop
Round-trip from$228From Ontario to Philadelphia
One-way from$136One-way flight from Ontario to Philadelphia

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

Wednesday is generally a great day to depart. Flying on this day could help you save up to 56%.

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

Users have found that booking a flight from Ontario to Philadelphia at least 61 days early can save you up to 26% on average compared to booking a flight this week. If booking 61 days before your flight isn’t an option for you, users have found flights from Ontario to Philadelphia for as little as $396 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $493 for flights departing within the next 3 days.

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

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, January can be a great choice for travel to Philadelphia. Flights to Philadelphia from Ontario in January are about $369 on average during January, but can be found for as low as $109.

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

Unlike in the morning, when flights are generally more expensive, you can save up to 35% on flights from Ontario to Philadelphia by exploring options for tickets in the afternoon.

Cheap flights from Ontario to Philadelphia in August, September 2022

The best prices found for ONT to PHL flights for August, September
Sep 9 - Sep 14
ONT

Ontario

PHL

Philadelphia

1 stop

8h 39m
PHL

Philadelphia

ONT

Ontario

1 stop

9h 10m
$158

Frontier

Pick Dates

Deal found 10/8/22

Sep 6 - Sep 15
ONT

Ontario

PHL

Philadelphia

1 stop

9h 02m
PHL

Philadelphia

ONT

Ontario

1 stop

10h 00m
$159

Frontier

Pick Dates

Deal found 8/8/22

Sep 12 - Sep 15
ONT

Ontario

PHL

Philadelphia

1 stop

7h 57m
PHL

Philadelphia

ONT

Ontario

1 stop

10h 00m
$160

Frontier

Pick Dates

Deal found 9/8/22

Ontario to Philadelphia 2022 flight deals

Cheap flights to Philadelphia from Ontario found for this year
Sep 9 - Sep 14
ONT

Ontario

PHL

Philadelphia

1 stop

8h 39m
PHL

Philadelphia

ONT

Ontario

1 stop

9h 10m
$158

Frontier

Pick Dates

Deal found 10/8/22

Sep 6 - Sep 15
ONT

Ontario

PHL

Philadelphia

1 stop

9h 02m
PHL

Philadelphia

ONT

Ontario

1 stop

10h 00m
$159

Frontier

Pick Dates

Deal found 8/8/22

Sep 12 - Sep 15
ONT

Ontario

PHL

Philadelphia

1 stop

7h 57m
PHL

Philadelphia

ONT

Ontario

1 stop

10h 00m
$160

Frontier

Pick Dates

Deal found 9/8/22

Cheap Frontier flights from Ontario to Philadelphia

Sep 9 - Sep 14
ONT

Ontario

PHL

Philadelphia

1 stop

8h 39m
PHL

Philadelphia

ONT

Ontario

1 stop

9h 10m
$158

Frontier

Pick Dates

Deal found 10/8/22

Sep 6 - Sep 15
ONT

Ontario

PHL

Philadelphia

1 stop

9h 02m
PHL

Philadelphia

ONT

Ontario

1 stop

10h 00m
$159

Frontier

Pick Dates

Deal found 8/8/22

Sep 12 - Sep 15
ONT

Ontario

PHL

Philadelphia

1 stop

7h 57m
PHL

Philadelphia

ONT

Ontario

1 stop

10h 00m
$160

Frontier

Pick Dates

Deal found 9/8/22

Cheap United Airlines flights from Ontario to Philadelphia

Aug 18 - Aug 25
ONT

Ontario

PHL

Philadelphia

2 stops

14h 25m
PHL

Philadelphia

ONT

Ontario

2 stops

18h 10m
$444

United Airlines

Pick Dates

Deal found 10/8/22

Aug 20 - Aug 27
ONT

Ontario

PHL

Philadelphia

2 stops

15h 49m
PHL

Philadelphia

ONT

Ontario

2 stops

17h 24m
$573

United Airlines

Pick Dates

Deal found 9/8/22

Aug 20 - Aug 25
ONT

Ontario

PHL

Philadelphia

2 stops

14h 15m
PHL

Philadelphia

ONT

Ontario

2 stops

18h 10m
$589

United Airlines

Pick Dates

Deal found 9/8/22

Last minute flights from Ontario to Philadelphia

Late deals on return flights to Philadelphia from Ontario, departing today and this week
Aug 16 - Aug 19
ONT

Ontario

PHL

Philadelphia

1 stop

11h 04m
PHL

Philadelphia

ONT

Ontario

1 stop

23h 29m
$228

Frontier

Pick Dates

Deal found 10/8/22

Aug 21 - Aug 26
ONT

Ontario

PHL

Philadelphia

2 stops

20h 05m
PHL

Philadelphia

ONT

Ontario

1 stop

12h 01m
$255

Frontier

Pick Dates

Deal found 8/8/22

Aug 19 - Sep 2
ONT

Ontario

PHL

Philadelphia

2 stops

13h 50m
PHL

Philadelphia

ONT

Ontario

1 stop

12h 01m
$267

Frontier

Pick Dates

Deal found 9/8/22

One-way flights to Philadelphia from Ontario

The cheapest one-way flights from Ontario to Philadelphia
Sep 30
ONT

Ontario

PHL

Philadelphia

1 stop

8h 01m
$79

Frontier

Pick Dates

Deal found 9/8/22

Sep 12
ONT

Ontario

PHL

Philadelphia

1 stop

9h 24m
$80

Frontier

Pick Dates

Deal found 9/8/22

Oct 7
ONT

Ontario

PHL

Philadelphia

1 stop

8h 26m
$81

Frontier

Pick Dates

Deal found 10/8/22

Related info for your journey

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

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

Due to the rapidly changing circumstances due to COVID-19, airlines like American Airlines, Frontier, and Delta flying from Ontario to Philadelphia have implemented new flexible cancellation policies.

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

Yes, there are multiple flights from Ontario to Philadelphia for under $200. The cheapest flight booked recently is on Frontier for just $158, but on average you can expect to pay $170.

Are there last-minute flights available from Ontario to Philadelphia for under $300?

There are currently 20+ open flights from Ontario to Philadelphia within the next 7 days for less than $300.

How popular is this Ontario to Philadelphia flight route?

The Ontario to Philadelphia flight path was viewed by 34 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

Cheapflights users have booked flights from Ontario to Philadelphia round-trip from $158. Frontier is 62% cheaper than the average price of flights available within the next 90 days to this destination.

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

Before booking your flight from Ontario to Philadelphia check out the most popular airlines for this route: Undisclosed Carrier, American Airlines or Alaska Airlines.

What are the cheapest flights from Ontario to Philadelphia?

While on average a flight from Ontario to Philadelphia is generally $929, our data shows the cheapest flight currently is $16. When looking at the most popular route, (Ontario - Philadelphia), you can expect to pay $164 for that flight.

Alternative routes for Ontario to Philadelphia

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

Top 6 airlines flying from Ontario to Philadelphia

The chart below displays the airlines Cheapflights users traveling from Ontario to Philadelphia choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Juneyao AirlinesCheapest$16Average$22FlexibilityNo cancel feeOn-time66%COVID-19 safety
Search Juneyao Airlines flights
FrontierCheapest$100Average$341FlexibilityNo cancel feeOn-time62%COVID-19 safety
Search Frontier flights
United AirlinesCheapest$179Average$723FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights
Spirit AirlinesCheapest$187Average$333FlexibilityNo cancel feeOn-time65%COVID-19 safety
Search Spirit Airlines flights
American AirlinesCheapest$273Average$587FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights
DeltaCheapest$281Average$556FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights