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Cheap flights from Ontario to Philadelphia from C$ 251

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 15/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — PHL
8 Jul — 15 Jul1
1 adult

Cheap flight deals from Ontario to Philadelphia

Keep the following information in mind while searching for Ontario to Philadelphia flight deals. Data was last updated 3 July 2025.

Round-trip from

C$ 365

One-way from

C$ 251

Popular in

January

Cheapest in

March

Average price

C$ 555

Good round-trip deal

C$ 427 or less

Good one-way deal

C$ 436 or less
American Airlines
  • American Airlines
  • 2/10-4/10
  • 1 total stop
  • 25h 11m total
  • Ontario to Philadelphia
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Air Canada
  • Air Canada
  • 15/9
  • Nonstop
  • 1h 38m total
  • Ontario to Philadelphia
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Highest demand for flights based on searches. 12% potential increase in price (C$ 113 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 22 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Ontario to Philadelphia.
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Price to beat on a one-way flight from Ontario to Philadelphia.
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Find flight deals from Ontario to Philadelphia

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 3 July 2025.

Thu 2/105:15 p.m.YUL - PHL
1 stop23h 12mAmerican Airlines
Sat 4/1010:25 a.m.PHL - YUL
Nonstop1h 59mAmerican Airlines
Deal found 1/7C$ 365
Fri 15/811:00 a.m.YYZ - PHL
1 stop11h 40mMultiple Airlines
Mon 18/85:25 a.m.PHL - YYZ
1 stop9h 04mMultiple Airlines
Deal found 3/7C$ 372
Fri 25/75:55 p.m.YYZ - PHL
Nonstop1h 35mAmerican Airlines
Sat 26/76:25 a.m.PHL - YYZ
1 stop10h 09mAmerican Airlines
Deal found 1/7C$ 398
Fri 19/91:00 p.m.YUL - PHL
Nonstop1h 38mAir Canada
Tue 23/93:25 p.m.PHL - YUL
Nonstop1h 35mAir Canada
Deal found 1/7C$ 428
Fri 11/77:55 a.m.YTZ - PHL
1 stop13h 50mMultiple Airlines
Sun 13/78:39 p.m.PHL - YTZ
1 stop15h 41mMultiple Airlines
Deal found 2/7C$ 463
Fri 19/97:00 a.m.YUL - PHL
2 stops12h 21mDelta
Tue 23/910:30 a.m.PHL - YUL
2 stops12h 59mDelta
Deal found 2/7C$ 466
Tue 15/76:45 a.m.YUL - PHL
1 stop16h 36mMultiple Airlines
Mon 25/810:47 a.m.PHL - YUL
2 stops11h 28mMultiple Airlines
Deal found 30/6C$ 489
Thu 24/78:20 a.m.YYZ - PHL
Nonstop1h 34mAir Canada
Sun 27/77:30 a.m.PHL - YYZ
Nonstop1h 35mAir Canada
Deal found 2/7C$ 493
Tue 15/76:15 a.m.YUL - PHL
1 stop8h 14mUnited Airlines
Mon 25/86:27 p.m.PHL - YUL
1 stop16h 13mUnited Airlines
Deal found 30/6C$ 502
Mon 8/910:25 a.m.YTZ - PHL
1 stop4h 13mAir Canada
Mon 15/93:25 p.m.PHL - YTZ
1 stop6h 09mAir Canada
Deal found 1/7C$ 512
Tue 5/84:25 p.m.YOW - PHL
1 stop7h 34mMultiple Airlines
Fri 8/86:13 a.m.PHL - YOW
1 stop10h 53mMultiple Airlines
Deal found 3/7C$ 538
Fri 15/88:15 a.m.YHM - PHL
2 stops13h 52mMultiple Airlines
Fri 22/83:51 p.m.PHL - YHM
3 stops32h 50mMultiple Airlines
Deal found 1/7C$ 662

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 3 July 2025.
Use the filters below to find and compare flights from Ontario to Philadelphia that are best for you.

Fly from

Ontario

Fly to

Philadelphia

Route

Depart

Return

Price

MontrealPhiladelphia

YUL - PHL

YULPHL

Montreal Pierre Elliott Trudeau Intl

Thu 2/10

5:15 p.m.-4:27 p.m.

1 stop23h 12m

Philadelphia

Sat 4/10

10:25 a.m.-12:24 p.m.

Nonstop1h 59m

C$ 365

TorontoPhiladelphia

YYZ - PHL

YYZPHL

Toronto Pearson Intl

Fri 15/8

11:00 a.m.-10:40 p.m.

1 stop11h 40m

Philadelphia

Mon 18/8

5:25 a.m.-2:29 p.m.

1 stop9h 04m

C$ 372

TorontoPhiladelphia

YYZ - PHL

YYZPHL

Toronto Pearson Intl

Fri 25/7

5:55 p.m.-7:30 p.m.

Nonstop1h 35m

Philadelphia

Sat 26/7

6:25 a.m.-4:34 p.m.

1 stop10h 09m

C$ 398

TorontoPhiladelphia

YTZ - PHL

YTZPHL

Toronto Island

Fri 1/8

3:35 p.m.-9:45 p.m.

1 stop6h 10m

Philadelphia

Mon 4/8

10:38 p.m.-12:20 p.m.

1 stop13h 42m

C$ 424

MontrealPhiladelphia

YUL - PHL

YULPHL

Montreal Pierre Elliott Trudeau Intl

Fri 19/9

1:00 p.m.-2:38 p.m.

Nonstop1h 38m

Philadelphia

Tue 23/9

3:25 p.m.-5:00 p.m.

Nonstop1h 35m

C$ 428

MontrealPhiladelphia

YUL - PHL

YULPHL

Montreal Pierre Elliott Trudeau Intl

Fri 19/9

11:00 a.m.-11:19 p.m.

2 stops12h 19m

Philadelphia

Tue 23/9

12:47 p.m.-9:57 p.m.

2 stops9h 10m

C$ 466

MontrealPhiladelphia

YUL - PHL

YULPHL

Montreal Pierre Elliott Trudeau Intl

Tue 15/7

6:45 a.m.-11:21 p.m.

1 stop16h 36m

Philadelphia

Mon 25/8

10:47 a.m.-10:15 p.m.

2 stops11h 28m

C$ 489

TorontoPhiladelphia

YYZ - PHL

YYZPHL

Toronto Pearson Intl

Thu 24/7

8:20 a.m.-9:54 a.m.

Nonstop1h 34m

Philadelphia

Sun 27/7

7:30 a.m.-9:05 a.m.

Nonstop1h 35m

C$ 493

MontrealPhiladelphia

YUL - PHL

YULPHL

Montreal Pierre Elliott Trudeau Intl

Tue 15/7

6:15 a.m.-2:29 p.m.

1 stop8h 14m

Philadelphia

Mon 25/8

6:27 p.m.-10:40 a.m.

1 stop16h 13m

C$ 502

TorontoPhiladelphia

YTZ - PHL

YTZPHL

Toronto Island

Mon 8/9

10:25 a.m.-2:38 p.m.

1 stop4h 13m

Philadelphia

Mon 15/9

3:25 p.m.-9:34 p.m.

1 stop6h 09m

C$ 512

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/7

Showing 1-10 of 30 results
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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, January is the cheapest month in which you can book a flight from Region of Ontario to Philadelphia (average of C$ 388). Flying from Region of Ontario to Philadelphia in May is currently the most expensive (average of C$ 419). 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 3 July 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to Philadelphia as you normally would.

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 3 July 2025.

The most flights from CAON to PHL are scheduled on a Wednesday (14 on average). You will have fewer flight options on Saturday, 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?

Reviews of airlines servicing Philadelphia

Get insights into the airlines that provide service to Philadelphia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Philadelphia. Reviews last updated 3 July 2025.
Read through reviews of airlines operating flights from Ontario to Philadelphia, such as Delta,United Airlines, andAmerican Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,970 reviews
Check prices

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,970 reviews
Delta
8.0
Very good
7,970 reviews
Check prices

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,845 reviews
Delta
8.0
Very good
7,970 reviews
Check prices

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,970 reviews
Check prices

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
WestJet
7.2
Good
2,917 reviews
Delta
8.0
Very good
7,970 reviews
Check prices

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
9,678 reviews
Delta
8.0
Very good
7,970 reviews
Check prices

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

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

    C$ 251 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 Delta, with prices starting from C$ 253 and C$ 274, respectively.

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

    The most popular route from Region of Ontario to Philadelphia is Montreal Pierre Elliott Trudeau Intl - Philadelphia. You may also consider Toronto Pearson 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 PSA Airlines (77%), Qatar Airways (68%) and Piedmont Airlines (66%).

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

    Looking at all options, your cheapest flight can be booked for C$ 231. While the most popular route (Montreal Pierre Elliott Trudeau Intl - Philadelphia) can be booked for C$ 431 on average our data indicates C$ 1,115 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, January is the cheapest month in which you can book a flight from Region of Ontario to Philadelphia (average of C$ 388). Flying from Region of Ontario to Philadelphia in May is currently the most expensive (average of C$ 419). 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 Ontario?

Book flights to Ontario if you plan to visit one of these locations
King of Prussia
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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.
Pearson Intl to Newark flights
Pearson Intl to LaGuardia flights
Toronto Island to Newark flights
Pearson Intl to John F Kennedy Intl flights
Pierre Elliott Trudeau Intl to John F Kennedy Intl flights
Pierre Elliott Trudeau Intl to LaGuardia flights
Pierre Elliott Trudeau Intl to Newark flights
Vancouver Intl to John F Kennedy Intl flights
Vancouver Intl to Newark flights
Pearson Intl to Dulles Intl flights
Pearson Intl to Reagan-National flights
Vancouver Intl to LaGuardia flights
Pierre Elliott Trudeau Intl to Philadelphia flights
Toronto Island to Dulles Intl flights
Ottawa to Newark flights
Calgary to Newark flights
Pierre Elliott Trudeau Intl to Dulles Intl flights
Vancouver Intl to Dulles Intl flights
Pearson Intl to Philadelphia flights
Pierre Elliott Trudeau Intl to Reagan-National flights
Calgary to John F Kennedy Intl flights
Toronto Island to LaGuardia flights
Ottawa to LaGuardia flights
Ottawa to John F Kennedy Intl flights
Calgary to LaGuardia flights
Toronto Island to John F Kennedy Intl flights
Edmonton to Newark flights
Abbotsford to John F Kennedy Intl flights
Halifax to Newark flights
Halifax to LaGuardia flights
Québec City to Newark flights
Edmonton to John F Kennedy Intl flights
Edmonton to LaGuardia flights
Toronto Island to Philadelphia flights
Winnipeg to Newark flights
Ottawa to Dulles Intl flights
Calgary to Dulles Intl flights
Québec City to John F Kennedy Intl flights
Halifax to John F Kennedy Intl flights
Vancouver Intl to Philadelphia flights
Saskatoon to John F Kennedy Intl flights
Québec City to LaGuardia flights
Pearson Intl to Pittsburgh flights
Vancouver Intl to Reagan-National flights
Region of Waterloo Intl to John F Kennedy Intl flights
Regina to LaGuardia flights
Saskatoon to Newark flights
Winnipeg to John F Kennedy Intl flights
Winnipeg to LaGuardia flights
Abbotsford to Newark flights

Top 3 airlines flying from Ontario to Philadelphia

Discover the top 3 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 3 July 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 299AverageC$ 553FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapestC$ 411AverageC$ 663FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 462AverageC$ 815FlexibilityNo cancel feeOn-time69%
Search United 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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