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 5h 05m. Fly via United Airlines, Air Canada, or WestJet 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$ 266 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$ 300 and C$ 314, 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$ 248. While the most popular route (Toronto Pearson Intl - Philadelphia) can be booked for C$ 434 on average, our data indicates C$ 2,308 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 (74%) and Porter Airlines (71%).

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$ 249+ 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 24 August 2026.

Mon 26/104:15 p.m. -

Nonstop1h 44m

Mon 26/109:02 p.m. -

1 stop14h 42m

Deal found 22/8C$ 432

Sat 31/105:34 p.m. -

1 stop23h 37m

Sun 1/117:35 p.m. -

Nonstop1h 51m

Deal found 21/8C$ 460

Mon 14/94:45 p.m. -

1 stop8h 22m

Mon 21/91:32 p.m. -

1 stop8h 23m

Deal found 22/8C$ 465

Mon 14/94:45 p.m. -

1 stop8h 22m

Fri 25/96:00 a.m. -

1 stop8h 55m

Deal found 21/8C$ 471

Fri 11/98:10 a.m. -

1 stop11h 15m

Sat 19/92:50 p.m. -

1 stop23h 15m

Deal found 23/8C$ 474

Thu 1/109:30 a.m. -

1 stop14h 12m

Mon 5/106:00 a.m. -

1 stop8h 55m

Deal found 23/8C$ 475

Thu 10/91:30 p.m. -

1 stop10h 12m

Mon 14/97:50 a.m. -

1 stop13h 05m

Deal found 23/8C$ 476

Sat 3/107:00 a.m. -

1 stop9h 39m

Mon 5/105:45 p.m. -

1 stop23h 00m

Deal found 19/8C$ 482

Mon 14/94:45 p.m. -

1 stop8h 22m

Tue 29/95:32 p.m. -

2 stops23h 23m

Deal found 23/8C$ 483

Fri 16/108:10 a.m. -

1 stop11h 14m

Mon 19/105:45 p.m. -

1 stop20h 45m

Deal found 23/8C$ 486

Thu 10/91:30 p.m. -

1 stop10h 12m

Sun 13/95:45 p.m. -

2 stops28h 10m

Deal found 23/8C$ 489

Thu 1/106:04 p.m. -

Nonstop1h 50m

Thu 1/1010:20 p.m. -

1 stop12h 39m

Deal found 20/8C$ 490

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 24 August 2026.

Sat 17/107:00 a.m. -

1 stop15h 12m

Mon 19/105:15 a.m. -

1 stop18h 33m

Deal found 22/8C$ 553

Sat 26/99:15 a.m. -

1 stop5h 05m

Tue 29/910:40 a.m. -

1 stop4h 00m

Deal found 19/8C$ 570

Tue 24/118:20 a.m. -

2 stops6h 24m

Sat 28/113:20 p.m. -

1 stop6h 16m

Deal found 19/8C$ 584

Mon 21/96:15 a.m. -

Nonstop1h 43m

Mon 28/97:47 p.m. -

Nonstop1h 56m

Deal found 23/8C$ 654

Wed 3/25:30 a.m. -

2 stops17h 32m

Mon 8/29:42 a.m. -

2 stops15h 02m

Deal found 23/8C$ 900

Sun 4/108:00 a.m. -

2 stops11h 54m

Wed 7/108:34 a.m. -

1 stop6h 21m

Deal found 19/8C$ 936

Fri 16/107:00 a.m. -

1 stop14h 46m

Mon 19/1010:37 a.m. -

1 stop13h 11m

Deal found 21/8C$ 558

Wed 21/109:45 a.m. -

1 stop11h 44m

Wed 28/1010:30 a.m. -

1 stop4h 46m

Deal found 20/8C$ 571

Fri 13/1110:45 a.m. -

1 stop3h 59m

Mon 16/113:20 p.m. -

1 stop4h 36m

Deal found 19/8C$ 625

Thu 3/94:55 p.m. -

1 stop8h 04m

Sat 5/93:05 p.m. -

1 stop4h 40m

Deal found 19/8C$ 580

Fri 25/99:45 a.m. -

1 stop9h 39m

Mon 28/93:25 p.m. -

Nonstop1h 40m

Deal found 19/8C$ 591

Sat 5/910:45 a.m. -

1 stop4h 04m

Sun 6/93:25 p.m. -

1 stop6h 06m

Deal found 19/8C$ 625

Wed 11/112:13 p.m. -

1 stop9h 18m

Sun 15/116:00 a.m. -

1 stop9h 16m

Deal found 19/8C$ 591

Fri 4/92:20 p.m. -

1 stop4h 33m

Sun 6/910:05 a.m. -

Nonstop1h 44m

Deal found 19/8C$ 591

Fri 11/128:30 a.m. -

1 stop6h 14m

Sun 13/123:20 p.m. -

1 stop6h 16m

Deal found 20/8C$ 626

Thu 24/99:15 a.m. -

1 stop5h 05m

Mon 28/910:40 a.m. -

1 stop4h 00m

Deal found 19/8C$ 591

Fri 18/97:00 a.m. -

2 stops40h 18m

Fri 25/95:15 a.m. -

1 stop9h 18m

Deal found 21/8C$ 609

Tue 15/98:20 a.m. -

2 stops6h 27m

Mon 21/93:25 p.m. -

1 stop6h 05m

Deal found 21/8C$ 629

Sat 3/101:00 p.m. -

1 stop6h 24m

Sat 10/106:55 p.m. -

1 stop14h 59m

Deal found 19/8C$ 593

Thu 17/98:30 a.m. -

1 stop6h 17m

Sat 19/93:25 p.m. -

1 stop6h 05m

Deal found 21/8C$ 629

Sat 19/98:50 a.m. -

1 stop10h 41m

Sun 20/97:00 a.m. -

Nonstop1h 33m

Deal found 22/8C$ 633

Sat 17/1011:00 a.m. -

1 stop6h 54m

Sat 24/106:10 a.m. -

1 stop7h 32m

Deal found 19/8C$ 593

Wed 9/98:30 a.m. -

1 stop6h 17m

Fri 11/93:25 p.m. -

1 stop6h 05m

Deal found 21/8C$ 629

Sat 14/115:55 p.m. -

1 stop5h 02m

Sun 15/119:15 a.m. -

Nonstop1h 35m

Deal found 22/8C$ 633

Sat 19/99:45 a.m. -

1 stop9h 46m

Sat 26/96:10 a.m. -

1 stop15h 16m

Deal found 22/8C$ 595

Sun 13/97:00 a.m. -

1 stop5h 23m

Sun 20/910:50 a.m. -

Nonstop1h 30m

Deal found 20/8C$ 637

Thu 3/128:30 a.m. -

1 stop6h 14m

Mon 7/123:20 p.m. -

1 stop4h 36m

Deal found 23/8C$ 650

Tue 8/96:10 a.m. -

1 stop6h 05m

Sun 18/1010:40 a.m. -

1 stop4h 00m

Deal found 23/8C$ 595

Sat 12/96:10 a.m. -

1 stop11h 44m

Wed 14/1011:05 a.m. -

1 stop6h 25m

Deal found 23/8C$ 595

Wed 16/912:15 p.m. -

1 stop7h 16m

Tue 22/910:30 a.m. -

1 stop8h 21m

Deal found 20/8C$ 687

Find flight deals from Ontario to Philadelphia

Round-trip from	C$ 432
One-way from	C$ 249
Popular in	June
Cheapest in	December
Average price	C$ 636
Good round-trip deal	C$ 538 or less
Good one-way deal	C$ 359 or less

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

Search Deals

3/10
1 total stop
13h 30m total
Ontario to Philadelphia

Search Deals

Highest demand for flights based on searches. 8% potential increase in price (C$ 77 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 August 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

Sat 17/10

7:00 a.m.-10:12 p.m.

1 stop15h 12m

Philadelphia

Mon 19/10

5:15 a.m.-11:48 p.m.

1 stop18h 33m

C$ 553

OttawaPhiladelphia

YOW Ottawa - PHL Philadelphia

YOWPHL

Ottawa

Fri 16/10

7:00 a.m.-9:46 p.m.

1 stop14h 46m

Philadelphia

Mon 19/10

10:37 a.m.-11:48 p.m.

1 stop13h 11m

C$ 558

MontrealPhiladelphia

YUL Montreal Pierre Elliott Trudeau Intl - PHL Philadelphia

YULPHL

Montreal Pierre Elliott Trudeau Intl

Sat 26/9

9:15 a.m.-2:20 p.m.

1 stop5h 05m

Philadelphia

Tue 29/9

10:40 a.m.-2:40 p.m.

1 stop4h 00m

C$ 570

MontrealPhiladelphia

YUL Montreal Pierre Elliott Trudeau Intl - PHL Philadelphia

YULPHL

Montreal Pierre Elliott Trudeau Intl

Wed 21/10

9:45 a.m.-9:29 p.m.

1 stop11h 44m

Philadelphia

Wed 28/10

10:30 a.m.-3:16 p.m.

1 stop4h 46m

C$ 571

MontrealPhiladelphia

YUL Montreal Pierre Elliott Trudeau Intl - PHL Philadelphia

YULPHL

Montreal Pierre Elliott Trudeau Intl

Thu 3/9

4:55 p.m.-12:59 a.m.

1 stop8h 04m

Philadelphia

Sat 5/9

3:05 p.m.-7:45 p.m.

1 stop4h 40m

C$ 580

TorontoPhiladelphia

YTZ Toronto Island - PHL Philadelphia

YTZPHL

Toronto Island

Tue 24/11

8:20 a.m.-2:44 p.m.

2 stops6h 24m

Philadelphia

Sat 28/11

3:20 p.m.-9:36 p.m.

1 stop6h 16m

C$ 584

MontrealPhiladelphia

YUL Montreal Pierre Elliott Trudeau Intl - PHL Philadelphia

YULPHL

Montreal Pierre Elliott Trudeau Intl

Fri 25/9

9:45 a.m.-7:24 p.m.

1 stop9h 39m

Philadelphia

Mon 28/9

3:25 p.m.-5:05 p.m.

Nonstop1h 40m

C$ 591

MontrealPhiladelphia

YUL Montreal Pierre Elliott Trudeau Intl - PHL Philadelphia

YULPHL

Montreal Pierre Elliott Trudeau Intl

Wed 11/11

2:13 p.m.-11:31 p.m.

1 stop9h 18m

Philadelphia

Sun 15/11

6:00 a.m.-3:16 p.m.

1 stop9h 16m

C$ 591

MontrealPhiladelphia

YUL Montreal Pierre Elliott Trudeau Intl - PHL Philadelphia

YULPHL

Montreal Pierre Elliott Trudeau Intl

Fri 4/9

2:20 p.m.-6:53 p.m.

1 stop4h 33m

Philadelphia

Sun 6/9

10:05 a.m.-11:49 a.m.

Nonstop1h 44m

C$ 591

MontrealPhiladelphia

YUL Montreal Pierre Elliott Trudeau Intl - PHL Philadelphia

YULPHL

Montreal Pierre Elliott Trudeau Intl

Thu 24/9

9:15 a.m.-2:20 p.m.

1 stop5h 05m

Philadelphia

Mon 28/9

10:40 a.m.-2:40 p.m.

1 stop4h 00m

C$ 591

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/8

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

YOW-PHL

YTZ-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

YOW-PHL

YTZ-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$ 564). Flying from Region of Ontario to Philadelphia in July is currently the most expensive (average of C$ 701). 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 47% 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 (21 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (18 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$ 520 and C$ 700 in September.
The cheapest round-trip price found within the last 5 days was C$ 465 on Multiple Airlines (14 Sep-21 Sep).

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. Saturday evenings 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 5h 05m. Fly via United Airlines, Air Canada, or WestJet 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$ 266 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$ 300 and C$ 314, 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 (74%) and Porter Airlines (71%).
What are the cheapest flights from Region of Ontario to Philadelphia?
Looking at all options, your cheapest flight can be booked for C$ 248. While the most popular route (Toronto Pearson Intl - Philadelphia) can be booked for C$ 434 on average, our data indicates C$ 2,308 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$ 564). Flying from Region of Ontario to Philadelphia in July is currently the most expensive (average of C$ 701). 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

Reading

King of Prussia

Wildwood

West Chester

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Direct flights to Pennsylvania

Flights by cabin class

Other flight options

Philadelphia flight routes

Popular flights

Top destinations

Alternative routes for Ontario to Philadelphia

Toronto Island to Newark flights

Pearson Intl to Newark flights

Pearson Intl to John F Kennedy Intl flights

Pearson Intl to LaGuardia flights

Toronto Island to LaGuardia flights

Pierre Elliott Trudeau Intl to Newark flights

Pierre Elliott Trudeau Intl to LaGuardia flights

Toronto Island to John F Kennedy Intl flights

Vancouver Intl to Newark flights

Pierre Elliott Trudeau Intl to John F Kennedy Intl flights

Hamilton to Newark flights

Vancouver Intl to John F Kennedy Intl flights

Pearson Intl to Reagan-National flights

Vancouver Intl to LaGuardia flights

Pearson Intl to Dulles Intl flights

Pearson Intl to Philadelphia flights

Hamilton to John F Kennedy Intl flights

Calgary to Newark flights

Ottawa to Newark flights

Calgary to John F Kennedy Intl flights

Toronto Island to Dulles Intl flights

Toronto Island to Reagan-National flights

Pierre Elliott Trudeau Intl to Reagan-National flights

Québec City to Newark flights

Abbotsford to John F Kennedy Intl flights

Halifax to Newark flights

Pierre Elliott Trudeau Intl to Dulles Intl flights

Ottawa to LaGuardia flights

Calgary to LaGuardia flights

Abbotsford to Newark flights

Vancouver Intl to Dulles Intl flights

Ottawa to John F Kennedy Intl flights

Pierre Elliott Trudeau Intl to Philadelphia flights

Halifax to LaGuardia flights

Québec City to LaGuardia flights

Abbotsford to LaGuardia flights

Vancouver Intl to Reagan-National flights

Region of Waterloo Intl to John F Kennedy Intl flights

Edmonton to John F Kennedy Intl flights

Pierre Elliott Trudeau Intl to Pittsburgh flights

Hamilton to LaGuardia flights

Calgary to Dulles Intl flights

Ottawa to Dulles Intl flights

Winnipeg to LaGuardia flights

Winnipeg to Newark flights

Halifax to John F Kennedy Intl flights

Edmonton to Newark flights

Edmonton to LaGuardia flights

Winnipeg to John F Kennedy Intl flights

Toronto Island to Philadelphia flights

Top 4 airlines flying from Ontario to Philadelphia

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	CheapestC$ 319	AverageC$ 665	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
American Airlines	CheapestC$ 343	AverageC$ 568	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
United Airlines	CheapestC$ 357	AverageC$ 769	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Porter Airlines	CheapestC$ 460	AverageC$ 727	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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Ontario to Philadelphia from C$ 249

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/10. 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 24 August 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 24 August 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 24 August 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 24 August 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 24 August 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 24 August 2026.

Last-minute flights from Ontario to PhiladelphiaDiscover last-minute flight deals from Ontario to Philadelphia. Data last updated 24 August 2026 and is based on user searches.

Discover last-minute flight deals from Ontario to Philadelphia. Data last updated 24 August 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 24 August 2026.

Search for one-way flight options from Ontario to Philadelphia. Find affordable one-way fares based on user searches. Data last updated 24 August 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 24 August 2026.

It’s optimal to fly from Region of Ontario to Philadelphia at noon. By choosing this option you can save up to 47% on the cost of your flight, compared to a flight in the afternoon.

Weekly flight availability from Region of Ontario to Philadelphia

Explore weekly flight availability from Ontario to Philadelphia. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 24 August 2026.

The most flights from CAON to PHL are scheduled on a Saturday (21 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (18 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$ 520 and C$ 700 in September.The cheapest round-trip price found within the last 5 days was C$ 465 on Multiple Airlines (14 Sep-21 Sep).

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 22 August 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. Saturday evenings 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?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Philadelphia

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

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

Book a non-stop flight to one of these other cities located in Pennsylvania.

Search flights from Ontario to Philadelphia by cabin class

Find flights from Ontario to Philadelphia, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Ontario and Philadelphia flights

Browse other Ontario and Philadelphia flight options. Last updated on 24 August 2026.

Other flights to Philadelphia

Explore flights to Philadelphia departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 24 August 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Ontario to Philadelphia flights

Consider these flights travelling from Ontario to Philadelphia.

Top 4 airlines flying from Ontario to Philadelphia

Fly with Cheapflights

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

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

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

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

100% Free

Book with Flexibility

Travel Smart

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 24 August 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 24 August 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 24 August 2026.

Last-minute flights from Ontario to Philadelphia
Discover last-minute flight deals from Ontario to Philadelphia. Data last updated 24 August 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 24 August 2026.

Region of Ontario to Philadelphia flights typically cost between C$ 520 and C$ 700 in September.
The cheapest round-trip price found within the last 5 days was C$ 465 on Multiple Airlines (14 Sep-21 Sep).