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Cheap flights from Ontario to Philadelphia from C$ 236

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 14/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — PHL
3 Sep — 10 Sep1
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 4 August 2026.

Sat 7/114:06 p.m.
YUL
-
PHL
Nonstop1h 49m
American Airlines
Sat 7/119:44 p.m.
PHL
-
YUL
1 stop13h 46m
American Airlines
Deal found 30/7C$ 399
Mon 26/105:34 p.m.
YUL
-
PHL
1 stop16h 16m
American Airlines
Tue 27/107:37 p.m.
PHL
-
YUL
Nonstop1h 53m
American Airlines
Deal found 1/8C$ 425
Sat 5/95:35 p.m.
YUL
-
PHL
1 stop16h 19m
American Airlines
Sun 6/97:34 p.m.
PHL
-
YUL
Nonstop2h 10m
American Airlines
Deal found 30/7C$ 427
Thu 10/91:30 p.m.
YYZ
-
PHL
1 stop10h 12m
Multiple Airlines
Sun 13/97:50 a.m.
PHL
-
YYZ
2 stops38h 14m
Multiple Airlines
Deal found 30/7C$ 448
Tue 20/109:50 a.m.
YYZ
-
PHL
1 stop14h 30m
Multiple Airlines
Tue 27/107:45 a.m.
PHL
-
YYZ
1 stop7h 38m
Multiple Airlines
Deal found 1/8C$ 451
Mon 14/91:50 p.m.
YYZ
-
PHL
2 stops19h 40m
Multiple Airlines
Mon 21/97:15 a.m.
PHL
-
YYZ
1 stop12h 50m
Multiple Airlines
Deal found 3/8C$ 453
Thu 17/99:50 a.m.
YYZ
-
PHL
2 stops21h 26m
Multiple Airlines
Thu 24/97:50 a.m.
PHL
-
YYZ
1 stop13h 05m
Multiple Airlines
Deal found 3/8C$ 460
Wed 16/99:30 a.m.
YYZ
-
PHL
1 stop31h 09m
Multiple Airlines
Mon 21/97:15 a.m.
PHL
-
YYZ
1 stop12h 50m
Multiple Airlines
Deal found 2/8C$ 465
Sun 18/108:10 a.m.
YYZ
-
PHL
1 stop16h 28m
Multiple Airlines
Sun 25/105:38 p.m.
PHL
-
YYZ
2 stops30h 32m
Multiple Airlines
Deal found 3/8C$ 467
Thu 24/99:50 a.m.
YYZ
-
PHL
1 stop23h 15m
Multiple Airlines
Mon 28/95:15 a.m.
PHL
-
YYZ
1 stop14h 50m
Multiple Airlines
Deal found 31/7C$ 469
Sun 20/96:30 a.m.
YYZ
-
PHL
1 stop17h 12m
Multiple Airlines
Sun 27/97:41 p.m.
PHL
-
YYZ
1 stop26h 14m
Multiple Airlines
Deal found 3/8C$ 474
Fri 16/105:34 p.m.
YUL
-
PHL
1 stop22h 59m
American Airlines
Sun 18/1010:23 a.m.
PHL
-
YUL
Nonstop1h 58m
American Airlines
Deal found 31/7C$ 474

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 4 August 2026.

Round-trip from

C$ 399

One-way from

C$ 236

Popular in

June

Cheapest in

April

Average price

C$ 706

Good round-trip deal

C$ 568 or less

Good one-way deal

C$ 392 or less
American Airlines
  • American Airlines
  • 7/11-7/11
  • 1 total stop
  • 15h 35m total
  • Ontario to Philadelphia
Search Deals
14/9
  • 14/9
  • 2 total stops
  • 21h 45m total
  • Ontario to Philadelphia
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 58 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 10 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

 
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 4 August 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

MontrealPhiladelphia

YUL - PHL

YULPHL

Montreal Pierre Elliott Trudeau Intl

Tue 18/8

1:10 p.m.-2:49 p.m.

Nonstop1h 39m

Philadelphia

Thu 20/8

3:25 p.m.-5:09 p.m.

Nonstop1h 44m

C$ 493

MontrealPhiladelphia

YUL - PHL

YULPHL

Montreal Pierre Elliott Trudeau Intl

Thu 20/8

1:10 p.m.-2:49 p.m.

Nonstop1h 39m

Philadelphia

Thu 27/8

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

Nonstop1h 44m

C$ 504
Quickest round-trip

TorontoPhiladelphia

YYZ - PHL

YYZPHL

Toronto Pearson Intl

Wed 19/8

8:35 a.m.-10:09 a.m.

Nonstop1h 34m

Philadelphia

Tue 1/9

10:50 a.m.-12:16 p.m.

Nonstop1h 26m

C$ 505

MontrealPhiladelphia

YUL - PHL

YULPHL

Montreal Pierre Elliott Trudeau Intl

Wed 21/10

7:55 p.m.-9:32 p.m.

Nonstop1h 37m

Philadelphia

Sun 25/10

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

1 stop4h 46m

C$ 511

MontrealPhiladelphia

YUL - PHL

YULPHL

Montreal Pierre Elliott Trudeau Intl

Sun 30/8

1:10 p.m.-2:49 p.m.

Nonstop1h 39m

Philadelphia

Sun 6/9

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

1 stop4h 40m

C$ 514

MontrealPhiladelphia

YUL - PHL

YULPHL

Montreal Pierre Elliott Trudeau Intl

Wed 16/9

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

1 stop5h 05m

Philadelphia

Wed 16/9

4:20 p.m.-9:50 p.m.

1 stop5h 30m

C$ 518

MontrealPhiladelphia

YUL - PHL

YULPHL

Montreal Pierre Elliott Trudeau Intl

Sat 29/8

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

1 stop8h 09m

Philadelphia

Sat 5/9

10:30 a.m.-5:27 p.m.

1 stop6h 57m

C$ 519

MontrealPhiladelphia

YUL - PHL

YULPHL

Montreal Pierre Elliott Trudeau Intl

Sat 7/11

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

Nonstop1h 39m

Philadelphia

Mon 9/11

3:20 p.m.-4:55 p.m.

Nonstop1h 35m

C$ 521

MontrealPhiladelphia

YUL - PHL

YULPHL

Montreal Pierre Elliott Trudeau Intl

Wed 26/8

7:55 p.m.-9:34 p.m.

Nonstop1h 39m

Philadelphia

Sun 6/9

3:25 p.m.-5:09 p.m.

Nonstop1h 44m

C$ 521

MontrealPhiladelphia

YUL - PHL

YULPHL

Montreal Pierre Elliott Trudeau Intl

Mon 14/12

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

Nonstop1h 39m

Philadelphia

Tue 15/12

10:10 a.m.-5:07 p.m.

1 stop6h 57m

C$ 521

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/8

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, April is the cheapest month in which you can book a flight from Region of Ontario to Philadelphia (average of C$ 577). Flying from Region of Ontario to Philadelphia in July is currently the most expensive (average of C$ 717). 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 4 August 2026.

It’s optimal to fly from Region of Ontario to Philadelphia at noon. By choosing this option you can save up to 45% 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 4 August 2026.

The most flights from CAON to PHL are scheduled on a Monday (20 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (8 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$ 549 and C$ 876 in September.
The cheapest round-trip price found within the last 5 days was C$ 448 on Multiple Airlines (10 Sep-13 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 47 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 1 August 2026.

Travelers seeking maximum savings on their Region of Ontario to Philadelphia flight should consider departing on Tuesday at noon 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 1h 39m. Fly via United Airlines or Air Canada 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$ 272 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$ 305 and C$ 320, 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 Qatar Airways (100%), Piedmont Airlines (86%) and American Airlines (80%).

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

    Looking at all options, your cheapest flight can be booked for C$ 273. While the most popular route (Toronto Pearson Intl - Philadelphia) can be booked for C$ 508 on average, our data indicates C$ 2,418 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$ 577). Flying from Region of Ontario to Philadelphia in July is currently the most expensive (average of C$ 717). 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
Voorhees
Reading
King of Prussia
Wildwood
West Chester

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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 John F Kennedy Intl flights
Pearson Intl to LaGuardia flights
Pierre Elliott Trudeau Intl to LaGuardia flights
Toronto Island to John F Kennedy Intl flights
Toronto Island to LaGuardia flights
Pierre Elliott Trudeau Intl to Newark flights
Hamilton to Newark flights
Vancouver Intl to John F Kennedy Intl flights
Vancouver Intl to Newark flights
Pierre Elliott Trudeau Intl to John F Kennedy Intl flights
Vancouver Intl to LaGuardia flights
Pearson Intl to Reagan-National flights
Pearson Intl to Dulles Intl flights
Calgary to Newark flights
Calgary to John F Kennedy Intl flights
Ottawa to Newark flights
Toronto Island to Dulles Intl flights
Calgary to LaGuardia flights
Pearson Intl to Philadelphia flights
Vancouver Intl to Dulles Intl flights
Abbotsford to John F Kennedy Intl flights
Pierre Elliott Trudeau Intl to Reagan-National flights
Halifax to Newark flights
Québec City to Newark flights
Hamilton to John F Kennedy Intl flights
Pierre Elliott Trudeau Intl to Dulles Intl flights
Ottawa to LaGuardia flights
Halifax to LaGuardia flights
Vancouver Intl to Reagan-National flights
Ottawa to John F Kennedy Intl flights
Pierre Elliott Trudeau Intl to Philadelphia flights
Abbotsford to LaGuardia flights
Halifax to John F Kennedy Intl flights
Québec City to LaGuardia flights
Abbotsford to Newark flights
Toronto Island to Reagan-National flights
Region of Waterloo Intl to John F Kennedy Intl flights
Edmonton to John F Kennedy Intl flights
Winnipeg to Newark flights
Pierre Elliott Trudeau Intl to Pittsburgh flights
Pearson Intl to Pittsburgh flights
Ottawa to Dulles Intl flights
Ottawa to Reagan-National flights
Edmonton to LaGuardia flights
Edmonton to Newark flights
Winnipeg to LaGuardia flights
Region of Waterloo Intl to Newark flights
Winnipeg to John F Kennedy Intl 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 4 August 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 277AverageC$ 574FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapestC$ 325AverageC$ 687FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 364AverageC$ 819FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Porter AirlinesCheapestC$ 467AverageC$ 754FlexibilityNo 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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