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Cheap flights from Ontario to Philadelphia from C$ 267

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 7/12. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — PHL
29 Jul — 5 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Philadelphia

Enter your travel dates to find the best prices.

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 29 June 2026.

Sat 12/95:34 p.m.
YUL
-
PHL
1 stop6h 38m
American Airlines
Sun 13/910:30 a.m.
PHL
-
YUL
Nonstop1h 56m
American Airlines
Deal found 26/6C$ 419
Thu 13/87:55 p.m.
YUL
-
PHL
Nonstop1h 39m
Air Canada
Thu 20/810:05 a.m.
PHL
-
YUL
Nonstop1h 44m
Air Canada
Deal found 29/6C$ 451
Sat 11/73:14 p.m.
YYZ
-
PHL
1 stop5h 11m
American Airlines
Sun 12/71:53 p.m.
PHL
-
YYZ
Nonstop1h 50m
American Airlines
Deal found 27/6C$ 456
Thu 1/106:15 a.m.
YYZ
-
PHL
Nonstop1h 43m
American Airlines
Thu 1/1012:39 p.m.
PHL
-
YYZ
1 stop5h 05m
American Airlines
Deal found 24/6C$ 463
Thu 20/81:15 p.m.
YYZ
-
PHL
1 stop10h 44m
American Airlines
Fri 21/88:30 a.m.
PHL
-
YYZ
Nonstop1h 47m
American Airlines
Deal found 24/6C$ 464
Sat 12/97:55 p.m.
YUL
-
PHL
Nonstop1h 37m
Air Canada
Sun 13/910:05 a.m.
PHL
-
YUL
Nonstop1h 40m
Air Canada
Deal found 26/6C$ 464
Fri 4/91:10 p.m.
YUL
-
PHL
Nonstop1h 39m
Air Canada
Tue 8/93:25 p.m.
PHL
-
YUL
Nonstop1h 40m
Air Canada
Deal found 25/6C$ 466
Sat 8/81:07 p.m.
YUL
-
PHL
Nonstop1h 43m
American Airlines
Sun 9/85:43 a.m.
PHL
-
YUL
1 stop6h 00m
American Airlines
Deal found 25/6C$ 471
Thu 9/71:10 p.m.
YUL
-
PHL
Nonstop1h 39m
Air Canada
Sun 12/710:05 a.m.
PHL
-
YUL
Nonstop1h 44m
Air Canada
Deal found 25/6C$ 473
Wed 2/91:10 p.m.
YUL
-
PHL
Nonstop1h 39m
Air Canada
Wed 9/910:05 a.m.
PHL
-
YUL
Nonstop1h 40m
Air Canada
Deal found 25/6C$ 475
Tue 18/81:10 p.m.
YUL
-
PHL
Nonstop1h 39m
Air Canada
Fri 21/83:25 p.m.
PHL
-
YUL
Nonstop1h 44m
Air Canada
Deal found 26/6C$ 478
Fri 2/105:34 p.m.
YUL
-
PHL
1 stop25h 49m
American Airlines
Sun 4/1010:30 a.m.
PHL
-
YUL
Nonstop1h 56m
American Airlines
Deal found 25/6C$ 480

Find flight deals from Ontario to Philadelphia

Keep the following information in mind while searching for Ontario to Philadelphia flight deals. Data was last updated 29 June 2026.

Round-trip from

C$ 419

One-way from

C$ 267

Popular in

June

Cheapest in

April

Average price

C$ 718

Good round-trip deal

C$ 574 or less

Good one-way deal

C$ 328 or less
American Airlines
  • American Airlines
  • 12/9-13/9
  • 1 total stop
  • 8h 34m total
  • Ontario to Philadelphia
Search Deals
Air Canada
  • Air Canada
  • 7/12
  • Nonstop
  • 1h 39m total
  • Ontario to Philadelphia
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 61 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 June 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

 
Customize your flight search to find flights from Ontario to Philadelphia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 29 June 2026.
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
Quickest round-trip

MontrealPhiladelphia

YUL - PHL

YULPHL

Montreal Pierre Elliott Trudeau Intl

Fri 9/10

6:00 a.m.-10:09 a.m.

1 stop4h 09m

Philadelphia

Sun 11/10

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

Nonstop1h 40m

C$ 483

MontrealPhiladelphia

YUL - PHL

YULPHL

Montreal Pierre Elliott Trudeau Intl

Fri 2/10

9:45 a.m.-5:54 p.m.

1 stop8h 09m

Philadelphia

Mon 5/10

10:05 a.m.-11:45 a.m.

Nonstop1h 40m

C$ 500

MontrealPhiladelphia

YUL - PHL

YULPHL

Montreal Pierre Elliott Trudeau Intl

Wed 23/9

6:10 a.m.-12:23 p.m.

1 stop6h 13m

Philadelphia

Mon 28/9

11:20 a.m.-5:30 p.m.

1 stop6h 10m

C$ 502

MontrealPhiladelphia

YUL - PHL

YULPHL

Montreal Pierre Elliott Trudeau Intl

Thu 24/9

6:10 a.m.-2:43 p.m.

1 stop8h 33m

Philadelphia

Mon 28/9

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

Nonstop1h 40m

C$ 502

MontrealPhiladelphia

YUL - PHL

YULPHL

Montreal Pierre Elliott Trudeau Intl

Wed 2/9

6:00 a.m.-11:51 a.m.

1 stop5h 51m

Philadelphia

Tue 8/9

6:15 a.m.-11:58 a.m.

1 stop5h 43m

C$ 511

MontrealPhiladelphia

YUL - PHL

YULPHL

Montreal Pierre Elliott Trudeau Intl

Tue 14/7

9:15 a.m.-2:10 p.m.

1 stop4h 55m

Philadelphia

Sat 18/7

7:00 p.m.-10:40 a.m.

1 stop15h 40m

C$ 519

MontrealPhiladelphia

YUL - PHL

YULPHL

Montreal Pierre Elliott Trudeau Intl

Fri 7/8

9:15 a.m.-2:10 p.m.

1 stop4h 55m

Philadelphia

Sun 9/8

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

Nonstop1h 44m

C$ 519

MontrealPhiladelphia

YUL - PHL

YULPHL

Montreal Pierre Elliott Trudeau Intl

Thu 9/7

9:45 a.m.-5:52 p.m.

1 stop8h 07m

Philadelphia

Sun 12/7

10:39 a.m.-2:40 p.m.

1 stop4h 01m

C$ 519

MontrealPhiladelphia

YUL - PHL

YULPHL

Montreal Pierre Elliott Trudeau Intl

Mon 3/8

4:55 p.m.-12:57 a.m.

1 stop8h 02m

Philadelphia

Sat 15/8

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

Nonstop1h 44m

C$ 519

MontrealPhiladelphia

YUL - PHL

YULPHL

Montreal Pierre Elliott Trudeau Intl

Mon 3/8

4:55 p.m.-12:57 a.m.

1 stop8h 02m

Philadelphia

Sat 15/8

10:34 a.m.-5:30 p.m.

1 stop6h 56m

C$ 519

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/6

Showing 1-10 of 60 resultsSorted by cheapest first
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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.
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

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

Currently, September is the cheapest month in which you can book a flight from Region of Ontario to Philadelphia (average of C$ 190). Flying from Region of Ontario to Philadelphia in May is currently the most expensive (average of C$ 343). 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?

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 29 June 2026.

It’s optimal to fly from Region of Ontario to Philadelphia in the evening. By choosing this option you can save up to 42% 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 29 June 2026.

The most flights from CAON to PHL are scheduled on a Monday (18 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (4 on average).

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

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 49 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 27 June 2026.

Travelers seeking maximum savings on their Region of Ontario to Philadelphia flight should consider departing on Thursday 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

Find useful and relevant information for your journey from Ontario to Philadelphia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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 09m. 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$ 274 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$ 309 and C$ 323, 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 Toronto Island - Philadelphia or Montreal Pierre Elliott Trudeau Intl - 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 (91%), American Airlines (87%) and Porter Airlines (86%).

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

    Looking at all options, your cheapest flight can be booked for C$ 254. While the most popular route (Toronto Pearson Intl - Philadelphia) can be booked for C$ 511 on average, our data indicates C$ 1,544 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, September is the cheapest month in which you can book a flight from Region of Ontario to Philadelphia (average of C$ 190). Flying from Region of Ontario to Philadelphia in May is currently the most expensive (average of C$ 343). 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

Travelling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Reading
King of Prussia
Wildwood

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Alternative routes for Ontario to Philadelphia

See prices for flight routes from nearby airports that may be better suited for you.
Toronto Island to Newark flights
Pearson Intl to Newark flights
Pearson Intl to LaGuardia flights
Vancouver Intl to Newark flights
Toronto Island to LaGuardia flights
Pearson Intl to John F Kennedy Intl flights
Pierre Elliott Trudeau Intl to LaGuardia flights
Toronto Island to John F Kennedy Intl flights
Pierre Elliott Trudeau Intl to Newark flights
Vancouver Intl to John F Kennedy Intl flights
Vancouver Intl to LaGuardia flights
Hamilton to Newark flights
Pierre Elliott Trudeau Intl to John F Kennedy Intl flights
Pearson Intl to Reagan-National flights
Pearson Intl to Dulles Intl flights
Pearson Intl to Philadelphia flights
Toronto Island to Dulles Intl flights
Vancouver Intl to Dulles Intl flights
Calgary to Newark flights
Calgary to John F Kennedy Intl flights
Ottawa to Newark flights
Abbotsford to John F Kennedy Intl flights
Pierre Elliott Trudeau Intl to Dulles Intl flights
Hamilton to John F Kennedy Intl flights
Abbotsford to Newark flights
Halifax to Newark flights
Vancouver Intl to Reagan-National flights
Calgary to LaGuardia flights
Pierre Elliott Trudeau Intl to Reagan-National flights
Abbotsford to LaGuardia flights
Vancouver Intl to Philadelphia flights
Edmonton to John F Kennedy Intl flights
Hamilton to LaGuardia flights
Toronto Island to Philadelphia flights
Ottawa to LaGuardia flights
Edmonton to Newark flights
Region of Waterloo Intl to John F Kennedy Intl flights
Edmonton to LaGuardia flights
Pierre Elliott Trudeau Intl to Philadelphia flights
Ottawa to John F Kennedy Intl flights
Québec City to Newark flights
Victoria to LaGuardia flights
Victoria to Newark flights
Halifax to John F Kennedy Intl flights
Toronto Island to Reagan-National flights
Ottawa to Dulles Intl flights
Halifax to LaGuardia flights
Region of Waterloo Intl to Newark flights
Calgary to Dulles Intl flights
Winnipeg to Newark flights

Top 4 airlines flying from Ontario to Philadelphia

Discover the top 4 airlines that operate flights from Ontario to Philadelphia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 29 June 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 280AverageC$ 594FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapestC$ 320AverageC$ 692FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 368AverageC$ 811FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Porter AirlinesCheapestC$ 472AverageC$ 795FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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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