How long is the flight from Region of Ontario to Philadelphia?

There are many flights that can get you from Region of Ontario to Philadelphia in 4h 21m. Fly via Air Canada, United Airlines, or Delta to get the fastest option. There are 632 km between Region of Ontario and Philadelphia. This flight may include one or multiple stops.

What are the cheapest airlines to fly from Region of Ontario to Philadelphia one-way?

C$ 268 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on American Airlines and Porter Airlines, with prices starting from C$ 302 and C$ 316, respectively.

In terms of precipitation, rainfall in Philadelphia ranges from 69.0 - 112.0 mm per month. July is typically the wettest month, when rainfall can reach 112.0 mm. February is typically the driest time to visit Philadelphia when rainfall is around 69.0 mm.

If weather is an important factor for your trip to Philadelphia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 26.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 1.0 C).

What are the most popular routes from Region of Ontario to Philadelphia?

The most popular route from Region of Ontario to Philadelphia is Toronto Pearson Intl - Philadelphia. You may also consider Montreal Pierre Elliott Trudeau Intl - Philadelphia or Toronto Island - Philadelphia.

What are the cheapest flights from Region of Ontario to Philadelphia?

Looking at all options, your cheapest flight can be booked for C$ 229. While the most popular route (Toronto Pearson Intl - Philadelphia) can be booked for C$ 401 on average, our data indicates C$ 813 when flying from Region of Ontario to Philadelphia.

What are the most reliable airlines from Region of Ontario to Philadelphia?

The top 3 most reliable airlines when flying from Region of Ontario to Philadelphia are Piedmont Airlines (89%), American Airlines (78%) and PSA Airlines (76%).

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

Consider Air Canada, American Airlines or Porter Airlines when booking your flight. These represent the most popular airlines when flying from Region of Ontario to Philadelphia.

What airport do you fly into for flights to Philadelphia from Ontario?

Most people fly into Philadelphia (PHL) if they book a flight to Philadelphia from Ontario. Philadelphia is conveniently located just 11.2 km from Philadelphia’s city centre.

Can I find deals for flights from Ontario to Philadelphia that include hotel bookings?

Yes. In addition to deals on Ontario to Philadelphia flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Ontario to Philadelphia?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Philadelphia.

Can I find deals for business class flights from Ontario to Philadelphia?

Yes. Cheapflights offers flight deals from Ontario to Philadelphia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

C$ 254+ Cheap Flights from Ontario to Philadelphia

Cheap flight deals from Ontario to Philadelphia

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest flights from Ontario to Philadelphia
Explore the most affordable flight options available from Ontario to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 September 2026.

Mon 26/104:15 p.m. -

Nonstop1h 44m

Mon 26/109:02 p.m. -

1 stop14h 42m

Deal found 14/9C$ 408

Wed 23/91:10 p.m. -

Nonstop1h 37m

Mon 28/910:05 a.m. -

Nonstop1h 40m

Deal found 9/9C$ 481

Thu 24/91:10 p.m. -

Nonstop1h 37m

Sun 27/910:05 a.m. -

Nonstop1h 40m

Deal found 10/9C$ 491

Thu 22/106:30 a.m. -

1 stop17h 13m

Wed 28/107:50 a.m. -

1 stop16h 05m

Deal found 12/9C$ 495

Wed 14/108:20 a.m. -

2 stops6h 27m

Wed 21/1010:05 a.m. -

2 stops8h 15m

Deal found 9/9C$ 495

Sat 24/101:10 p.m. -

Nonstop1h 37m

Sat 31/103:20 p.m. -

Nonstop1h 35m

Deal found 9/9C$ 495

Sat 10/109:10 p.m. -

Nonstop1h 36m

Sat 17/107:00 a.m. -

Nonstop1h 33m

Deal found 9/9C$ 497

Tue 29/910:45 a.m. -

1 stop4h 02m

Thu 15/103:25 p.m. -

1 stop6h 05m

Deal found 10/9C$ 497

Thu 24/98:35 a.m. -

Nonstop1h 36m

Sun 27/97:00 a.m. -

Nonstop1h 33m

Deal found 9/9C$ 499

Thu 8/102:05 p.m. -

Nonstop1h 36m

Thu 15/104:20 p.m. -

Nonstop1h 33m

Deal found 10/9C$ 502

Thu 29/104:10 p.m. -

1 stop6h 46m

Sun 1/119:15 a.m. -

1 stop6h 10m

Deal found 9/9C$ 503

Thu 8/102:05 p.m. -

Nonstop1h 36m

Mon 12/107:00 a.m. -

Nonstop1h 33m

Deal found 9/9C$ 505

Best flights from Ontario to Philadelphia
Discover carefully curated flight deals from Ontario to Philadelphia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 14 September 2026.

Fri 22/16:10 p.m. -

1 stop4h 46m

Tue 2/23:20 p.m. -

Nonstop1h 35m

Deal found 9/9C$ 452

Wed 3/29:30 a.m. -

1 stop4h 21m

Mon 8/21:16 p.m. -

1 stop8h 01m

Deal found 13/9C$ 542

Sun 10/14:55 p.m. -

1 stop6h 07m

Wed 13/16:00 a.m. -

1 stop6h 15m

Deal found 12/9C$ 542

Sat 26/96:10 a.m. -

1 stop6h 15m

Sun 27/910:05 a.m. -

Nonstop1h 40m

Deal found 12/9C$ 565

Thu 29/106:15 a.m. -

Nonstop1h 49m

Thu 29/103:35 p.m. -

Nonstop1h 49m

Deal found 13/9C$ 651

Wed 14/108:20 a.m. -

2 stops6h 27m

Wed 21/1010:05 a.m. -

2 stops8h 15m

Deal found 9/9C$ 495

Sun 27/96:10 a.m. -

1 stop6h 15m

Mon 28/96:55 p.m. -

1 stop15h 45m

Deal found 13/9C$ 563

Wed 28/106:00 a.m. -

1 stop5h 47m

Fri 30/106:10 a.m. -

1 stop5h 47m

Deal found 12/9C$ 565

Fri 25/99:45 a.m. -

1 stop8h 09m

Sun 27/910:05 a.m. -

Nonstop1h 40m

Deal found 11/9C$ 567

Thu 22/102:20 p.m. -

1 stop9h 10m

Sun 25/1010:30 a.m. -

1 stop4h 46m

Deal found 13/9C$ 563

Wed 4/118:30 a.m. -

1 stop6h 14m

Wed 25/113:20 p.m. -

1 stop4h 36m

Deal found 12/9C$ 571

Tue 29/92:30 p.m. -

1 stop9h 00m

Wed 30/97:00 a.m. -

Nonstop1h 33m

Deal found 11/9C$ 580

Sat 7/114:45 p.m. -

1 stop6h 12m

Mon 9/1110:30 a.m. -

1 stop4h 46m

Deal found 13/9C$ 563

Mon 28/96:10 p.m. -

1 stop5h 02m

Thu 1/109:35 a.m. -

1 stop7h 45m

Deal found 13/9C$ 627

Thu 15/1010:45 a.m. -

1 stop4h 02m

Sat 31/103:20 p.m. -

1 stop6h 16m

Deal found 11/9C$ 571

Thu 12/116:00 a.m. -

1 stop6h 05m

Sun 15/116:15 a.m. -

1 stop15h 02m

Deal found 11/9C$ 565

Fri 11/128:30 a.m. -

1 stop6h 14m

Sun 13/123:20 p.m. -

1 stop6h 16m

Deal found 13/9C$ 574

Fri 16/109:45 a.m. -

1 stop9h 39m

Fri 23/1011:05 a.m. -

1 stop6h 25m

Deal found 9/9C$ 567

Thu 29/108:20 a.m. -

2 stops6h 24m

Thu 5/113:20 p.m. -

1 stop6h 16m

Deal found 14/9C$ 578

Wed 2/1210:00 a.m. -

1 stop4h 12m

Wed 2/125:00 p.m. -

1 stop6h 59m

Deal found 13/9C$ 578

Fri 25/97:00 a.m. -

1 stop11h 31m

Mon 28/95:15 a.m. -

2 stops14h 45m

Deal found 11/9C$ 778

Thu 29/108:35 a.m. -

1 stop5h 44m

Thu 29/104:59 p.m. -

1 stop7h 00m

Deal found 13/9C$ 578

Thu 26/119:45 a.m. -

1 stop4h 59m

Mon 30/113:20 p.m. -

1 stop6h 16m

Deal found 13/9C$ 648

Mon 26/103:35 p.m. -

1 stop6h 05m

Sat 31/107:40 p.m. -

1 stop4h 12m

Deal found 13/9C$ 585

Tue 29/912:45 p.m. -

1 stop5h 57m

Wed 30/96:10 a.m. -

1 stop5h 39m

Deal found 11/9C$ 588

Wed 30/97:43 p.m. -

1 stop3h 47m

Mon 12/106:15 a.m. -

1 stop3h 49m

Deal found 11/9C$ 588

Fri 25/97:43 p.m. -

1 stop3h 47m

Sun 27/96:10 a.m. -

1 stop5h 39m

Deal found 10/9C$ 589

Wed 30/911:00 a.m. -

1 stop6h 54m

Wed 7/107:10 p.m. -

1 stop4h 49m

Deal found 10/9C$ 589

Mon 9/118:00 a.m. -

2 stops35h 29m

Wed 11/1110:30 a.m. -

1 stop11h 35m

Deal found 13/9C$ 1,431

Thu 1/102:30 p.m. -

1 stop4h 12m

Thu 8/107:10 p.m. -

1 stop4h 49m

Deal found 11/9C$ 627

Find flight deals from Ontario to Philadelphia

Round-trip from	C$ 408
One-way from	C$ 254
Popular in	June
Cheapest in	April
Average price	C$ 563
Good round-trip deal	C$ 572 or less
Good one-way deal	C$ 369 or less

American Airlines
26/10-26/10
1 total stop
16h 26m total
Ontario to Philadelphia

Search Deals

Air Canada
8/3-31/12
Nonstop
1h 37m total
Ontario to Philadelphia

Search Deals

Highest demand for flights based on searches. 7% potential increase in price (C$ 68 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (C$ 11 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Price to beat on a round-trip flight from Ontario to Philadelphia.

Search Deals

Price to beat on a one-way flight from Ontario to Philadelphia.

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to Philadelphia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaPhiladelphia

YOW Ottawa - PHL Philadelphia

YOWPHL

Ottawa

Fri 30/10

5:35 a.m.-12:29 a.m.

2 stops18h 54m

Philadelphia

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 258

HamiltonPhiladelphia

YHM Hamilton - PHL Philadelphia

YHMPHL

Hamilton

Sun 25/10

6:25 a.m.-12:38 a.m.

2 stops42h 13m

Philadelphia

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 293

OttawaPhiladelphia

YOW Ottawa - PHL Philadelphia

YOWPHL

Ottawa

Sun 25/10

7:00 a.m.-7:21 a.m.

3 stops48h 21m

Philadelphia

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 294

MontrealPhiladelphia

YUL Montreal Pierre Elliott Trudeau Intl - PHL Philadelphia

YULPHL

Montreal Pierre Elliott Trudeau Intl

Sat 31/10

1:05 p.m.-2:44 p.m.

Nonstop1h 39m

Philadelphia

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 305

HamiltonPhiladelphia

YHM Hamilton - PHL Philadelphia

YHMPHL

Hamilton

Mon 12/10

7:00 a.m.-7:21 a.m.

3 stops48h 21m

Philadelphia

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 307

MontrealPhiladelphia

YUL Montreal Pierre Elliott Trudeau Intl - PHL Philadelphia

YULPHL

Montreal Pierre Elliott Trudeau Intl

Tue 6/10

5:10 p.m.-11:08 p.m.

1 stop5h 58m

Philadelphia

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 311

MontrealPhiladelphia

YUL Montreal Pierre Elliott Trudeau Intl - PHL Philadelphia

YULPHL

Montreal Pierre Elliott Trudeau Intl

Tue 9/3

4:55 p.m.-11:02 p.m.

1 stop6h 07m

Philadelphia

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 311

MontrealPhiladelphia

YUL Montreal Pierre Elliott Trudeau Intl - PHL Philadelphia

YULPHL

Montreal Pierre Elliott Trudeau Intl

Fri 19/2

4:45 p.m.-11:08 p.m.

1 stop6h 23m

Philadelphia

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 312

MontrealPhiladelphia

YUL Montreal Pierre Elliott Trudeau Intl - PHL Philadelphia

YULPHL

Montreal Pierre Elliott Trudeau Intl

Tue 9/3

9:30 a.m.-1:51 p.m.

1 stop4h 21m

Philadelphia

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 312

MontrealPhiladelphia

YUL Montreal Pierre Elliott Trudeau Intl - PHL Philadelphia

YULPHL

Montreal Pierre Elliott Trudeau Intl

Mon 8/3

4:55 p.m.-11:02 p.m.

1 stop6h 07m

Philadelphia

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 313

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 60 resultsSorted by cheapest first

...

Best time to book a flight from Ontario to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Ontario with our price prediction graph.

YUL-PHL

YYZ-PHL

YTZ-PHL

YOW-PHL

YHM-PHL

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Philadelphia

CAON-PHL

YUL-PHL

YYZ-PHL

YTZ-PHL

YOW-PHL

What is the cheapest month to book a flight from Region of Ontario to Philadelphia?

Currently, April is the cheapest month in which you can book a flight from Region of Ontario to Philadelphia (average of C$ 569). Flying from Region of Ontario to Philadelphia in July is currently the most expensive (average of C$ 706). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ON to PHL?

It’s optimal to fly from Region of Ontario to Philadelphia at noon. By choosing this option you can save up to 48% on the cost of your flight, compared to a flight in the afternoon.

Weekly flight availability from Region of Ontario to Philadelphia

The most flights from CAON to PHL are scheduled on a Saturday (19 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (16 on average).

How much does it cost to fly round-trip from Region of Ontario to Philadelphia?

Airfare is below average for this route at the moment.

Region of Ontario to Philadelphia flights typically cost between C$ 559 and C$ 717 in October.
The cheapest round-trip price found within the last 5 days was C$ 495 on Multiple Airlines (22 Oct-28 Oct).

How far ahead should I book a flight from Region of Ontario to Philadelphia?

To ensure you get the cheapest price possible for a flight from Region of Ontario to Philadelphia, you should look to book at least 68 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest day to fly from Region of Ontario to Philadelphia?

Travelers seeking maximum savings on their Region of Ontario to Philadelphia flight should consider departing on Friday evenings when fares are most often at their lowest. Wednesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

What airport do you fly into for flights to Philadelphia from Ontario?
Most people fly into Philadelphia (PHL) if they book a flight to Philadelphia from Ontario. Philadelphia is conveniently located just 11.2 km from Philadelphia’s city centre.
How long is the flight from Region of Ontario to Philadelphia?
There are many flights that can get you from Region of Ontario to Philadelphia in 4h 21m. Fly via Air Canada, United Airlines, or Delta to get the fastest option. There are 632 km between Region of Ontario and Philadelphia. This flight may include one or multiple stops.
What are the cheapest airlines to fly from Region of Ontario to Philadelphia one-way?
C$ 268 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on American Airlines and Porter Airlines, with prices starting from C$ 302 and C$ 316, respectively.
What are the most popular routes from Region of Ontario to Philadelphia?
The most popular route from Region of Ontario to Philadelphia is Toronto Pearson Intl - Philadelphia. You may also consider Montreal Pierre Elliott Trudeau Intl - Philadelphia or Toronto Island - Philadelphia.
What are the most reliable airlines from Region of Ontario to Philadelphia?
The top 3 most reliable airlines when flying from Region of Ontario to Philadelphia are Piedmont Airlines (89%), American Airlines (78%) and PSA Airlines (76%).
What are the cheapest flights from Region of Ontario to Philadelphia?
Looking at all options, your cheapest flight can be booked for C$ 229. While the most popular route (Toronto Pearson Intl - Philadelphia) can be booked for C$ 401 on average, our data indicates C$ 813 when flying from Region of Ontario to Philadelphia.
Can I find deals for flights from Ontario to Philadelphia that include hotel bookings?
Yes. In addition to deals on Ontario to Philadelphia flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Ontario to Philadelphia?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Philadelphia.
Can I find deals for business class flights from Ontario to Philadelphia?
Yes. Cheapflights offers flight deals from Ontario to Philadelphia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Region of Ontario to Philadelphia?
Currently, April is the cheapest month in which you can book a flight from Region of Ontario to Philadelphia (average of C$ 569). Flying from Region of Ontario to Philadelphia in July is currently the most expensive (average of C$ 706). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Voorhees

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King of Prussia

Wildwood

West Chester

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Alternative routes for Ontario to Philadelphia

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Pearson Intl to LaGuardia flights

Toronto Island to LaGuardia flights

Pierre Elliott Trudeau Intl to Newark flights

Toronto Island to John F Kennedy Intl flights

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Vancouver Intl to Newark flights

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Pearson Intl to Reagan-National flights

Vancouver Intl to John F Kennedy Intl flights

Pearson Intl to Dulles Intl flights

Vancouver Intl to LaGuardia flights

Toronto Island to Dulles Intl flights

Pearson Intl to Philadelphia flights

Québec City to Newark flights

Hamilton to John F Kennedy Intl flights

Calgary to Newark flights

Pierre Elliott Trudeau Intl to Reagan-National flights

Pierre Elliott Trudeau Intl to Dulles Intl flights

Calgary to John F Kennedy Intl flights

Halifax to Newark flights

Ottawa to Newark flights

Abbotsford to John F Kennedy Intl flights

Calgary to LaGuardia flights

Québec City to LaGuardia flights

Vancouver Intl to Dulles Intl flights

Ottawa to LaGuardia flights

Halifax to LaGuardia flights

Pierre Elliott Trudeau Intl to Philadelphia flights

Toronto Island to Reagan-National flights

Ottawa to Dulles Intl flights

Québec City to John F Kennedy Intl flights

Abbotsford to LaGuardia flights

Vancouver Intl to Reagan-National flights

Edmonton to John F Kennedy Intl flights

Ottawa to John F Kennedy Intl flights

Pierre Elliott Trudeau Intl to Pittsburgh flights

Ottawa to Reagan-National flights

Edmonton to LaGuardia flights

Edmonton to Newark flights

Pearson Intl to Pittsburgh flights

Region of Waterloo Intl to Newark flights

Winnipeg to Newark flights

Winnipeg to LaGuardia flights

Abbotsford to Newark flights

Halifax to John F Kennedy Intl flights

Calgary to Dulles Intl flights

Top 4 airlines flying from Ontario to Philadelphia

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	CheapestC$ 314	AverageC$ 674	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
American Airlines	CheapestC$ 346	AverageC$ 582	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
United Airlines	CheapestC$ 360	AverageC$ 807	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Porter Airlines	CheapestC$ 463	AverageC$ 730	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines flights

Fly with Cheapflights

How does Cheapflights help users find flights from Ontario to Philadelphia?

When you search for this flight from Ontario to Philadelphia, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Ontario to Philadelphia?

Cheapflights helps you find that perfect flight to Philadelphia from Ontario by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Ontario to Philadelphia with no change fees?

Certainly. Search results for flights to Philadelphia from Ontario shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Ontario to Philadelphia become cheaper?

Yes, Cheapflights offers price alerts on Ontario to Philadelphia flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Cheap flights from Ontario to Philadelphia from C$ 254

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/3. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Ontario to Philadelphia

Cheapest flights from Ontario to PhiladelphiaExplore the most affordable flight options available from Ontario to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 September 2026.

Explore the most affordable flight options available from Ontario to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 September 2026.

Best flights from Ontario to PhiladelphiaDiscover carefully curated flight deals from Ontario to Philadelphia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 14 September 2026.

Discover carefully curated flight deals from Ontario to Philadelphia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 14 September 2026.

Direct flights from Ontario to PhiladelphiaExplore direct flight options from Ontario to Philadelphia based on user searches, and compare prices and availability for your desired travel dates. Data last updated 14 September 2026.

Explore direct flight options from Ontario to Philadelphia based on user searches, and compare prices and availability for your desired travel dates. Data last updated 14 September 2026.

Last-minute flights from Ontario to PhiladelphiaDiscover last-minute flight deals from Ontario to Philadelphia. Data last updated 14 September 2026 and is based on user searches.

Discover last-minute flight deals from Ontario to Philadelphia. Data last updated 14 September 2026 and is based on user searches.

One-way flights from Ontario to PhiladelphiaSearch for one-way flight options from Ontario to Philadelphia. Find affordable one-way fares based on user searches. Data last updated 14 September 2026.

Search for one-way flight options from Ontario to Philadelphia. Find affordable one-way fares based on user searches. Data last updated 14 September 2026.

Find flight deals from Ontario to Philadelphia

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to Philadelphia that are best for you.

Best time to book a flight from Ontario to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Ontario with our price prediction graph.

Cheapflights Insights

What is the cheapest month to book a flight from Region of Ontario to Philadelphia?

What is the cheapest time of day to fly from ON to PHL?

Find hourly flight availability from Ontario to Philadelphia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 14 September 2026.

It’s optimal to fly from Region of Ontario to Philadelphia at noon. By choosing this option you can save up to 48% on the cost of your flight, compared to a flight in the afternoon.

Weekly flight availability from Region of Ontario to Philadelphia

The most flights from CAON to PHL are scheduled on a Saturday (19 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (16 on average).

How much does it cost to fly round-trip from Region of Ontario to Philadelphia?

Airfare is below average for this route at the moment.

Region of Ontario to Philadelphia flights typically cost between C$ 559 and C$ 717 in October.The cheapest round-trip price found within the last 5 days was C$ 495 on Multiple Airlines (22 Oct-28 Oct).

How far ahead should I book a flight from Region of Ontario to Philadelphia?

To ensure you get the cheapest price possible for a flight from Region of Ontario to Philadelphia, you should look to book at least 68 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest day to fly from Region of Ontario to Philadelphia?

Use this chart to determine the cheapest time to fly round-trip from Ontario to Philadelphia. Price data was last updated on 12 September 2026.

Travelers seeking maximum savings on their Region of Ontario to Philadelphia flight should consider departing on Friday evenings when fares are most often at their lowest. Wednesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

What airport do you fly into for flights to Philadelphia from Ontario?

How long is the flight from Region of Ontario to Philadelphia?

What are the cheapest airlines to fly from Region of Ontario to Philadelphia one-way?

What are the most popular routes from Region of Ontario to Philadelphia?

What are the most reliable airlines from Region of Ontario to Philadelphia?

What are the cheapest flights from Region of Ontario to Philadelphia?

Can I find deals for flights from Ontario to Philadelphia that include hotel bookings?

How can I find direct flights from Ontario to Philadelphia?

Can I find deals for business class flights from Ontario to Philadelphia?

What is the cheapest month to book a flight from Region of Ontario to Philadelphia?

Travelling to a place near Philadelphia?

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Alternative routes for Ontario to Philadelphia

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Complete your trip

Complete your trip to Philadelphia by adding a car rental and/or hotel reservation to your travel itinerary.

Direct flights to Pennsylvania

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Ontario and Philadelphia flights

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Ontario to Philadelphia flights

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Cheapest flights from Ontario to Philadelphia
Explore the most affordable flight options available from Ontario to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 September 2026.

Best flights from Ontario to Philadelphia
Discover carefully curated flight deals from Ontario to Philadelphia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 14 September 2026.

Direct flights from Ontario to Philadelphia
Explore direct flight options from Ontario to Philadelphia based on user searches, and compare prices and availability for your desired travel dates. Data last updated 14 September 2026.

Last-minute flights from Ontario to Philadelphia
Discover last-minute flight deals from Ontario to Philadelphia. Data last updated 14 September 2026 and is based on user searches.

One-way flights from Ontario to Philadelphia
Search for one-way flight options from Ontario to Philadelphia. Find affordable one-way fares based on user searches. Data last updated 14 September 2026.

Region of Ontario to Philadelphia flights typically cost between C$ 559 and C$ 717 in October.
The cheapest round-trip price found within the last 5 days was C$ 495 on Multiple Airlines (22 Oct-28 Oct).