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$128+ Cheap flights from Ontario to Philadelphia (PHL)

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 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — PHL
Apr 6 — Apr 131
Sun 4/6
Sun 4/13
1 adult, Economy
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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 April 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$270
(Kiwi.com)

One-way from

$128
(Kiwi.com)

Popular in

January

Cheapest in

March

Average price

$418

Good round-trip deal

$310 or less

Good one-way deal

$208 or less
Provider with most accurate pricing for Toronto (YTO)-Philadelphia flight deals.
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Provider most trusted by Cheapflights users for Toronto (YTO)-Philadelphia flights.
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From Ontario to Philadelphia
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One-way flight from Ontario to Philadelphia
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($53 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 1, 2025.

This Kiwi.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1410:15 amYYZ - PHL
1 stop7h 53mMultiple Airlines
Thu 4/174:24 pmPHL - YYZ
1 stop7h 35mMultiple Airlines
Deal found 3/31$270
This American Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1112:55 pmYYZ - PHL
1 stop4h 12mAmerican Airlines
Sat 4/128:35 amPHL - YYZ
Nonstop1h 45mAmerican Airlines
Deal found 3/31$272
This Mytrip deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2910:45 amYUL - PHL
3 stops34h 27mMultiple Airlines
Tue 5/67:00 amPHL - YUL
2 stops17h 37mMultiple Airlines
Deal found 3/30$288
This Mytrip deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1312:00 pmYTZ - PHL
2 stops19h 48mMultiple Airlines
Tue 5/205:45 amPHL - YTZ
2 stops13h 42mMultiple Airlines
Deal found 3/31$305
This Mytrip deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/198:25 amYTZ - PHL
1 stop6h 22mAir Canada
Sun 4/203:30 pmPHL - YTZ
1 stop4h 20mAir Canada
Deal found 4/1$327
This Air Canada deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/168:45 amYYZ - PHL
Nonstop1h 30mAir Canada
Sun 5/1811:00 amPHL - YYZ
Nonstop1h 40mAir Canada
Deal found 3/31$336
This American Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/185:30 pmYUL - PHL
1 stop23h 37mAmerican Airlines
Sun 4/2010:35 amPHL - YUL
Nonstop1h 45mAmerican Airlines
Deal found 3/31$383
This United Airlines deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/32:20 pmYYZ - PHL
1 stop10h 10mUnited Airlines
Sat 8/912:38 pmPHL - YYZ
1 stop6h 07mUnited Airlines
Deal found 4/1$399
This Kiwi.com deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/154:25 pmYOW - PHL
1 stop15h 11mMultiple Airlines
Thu 5/225:15 amPHL - YOW
1 stop11h 51mMultiple Airlines
Deal found 3/30$422
This United Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/38:30 pmYUL - PHL
Nonstop1h 36mUnited Airlines
Tue 5/69:45 amPHL - YUL
Nonstop1h 42mUnited Airlines
Deal found 3/30$427
This Gotogate deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/171:05 pmYUL - PHL
Nonstop1h 42mAir Canada
Sun 4/209:00 amPHL - YUL
2 stops6h 31mAir Canada
Deal found 3/31$428
This Delta deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/166:10 amYUL - PHL
1 stop7h 43mDelta
Sun 4/205:20 amPHL - YUL
1 stop6h 13mDelta
Deal found 3/31$449

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 2,558,603 searches. Data last updated April 1, 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

TorontoPhiladelphia

YYZ - PHL

YYZPHL

Toronto Pearson Intl

Mon 4/14

10:15 am-6:08 pm

1 stop7h 53m

Philadelphia

Thu 4/17

4:24 pm-11:59 pm

1 stop7h 35m

$270

TorontoPhiladelphia

YYZ - PHL

YYZPHL

Toronto Pearson Intl

Fri 4/11

12:55 pm-5:07 pm

1 stop4h 12m

Philadelphia

Sat 4/12

8:35 am-10:20 am

Nonstop1h 45m

$272

MontrealPhiladelphia

YUL - PHL

YULPHL

Montreal Pierre Elliott Trudeau Intl

Tue 4/29

10:45 am-9:12 pm

3 stops34h 27m

Philadelphia

Tue 5/6

7:00 am-12:37 am

2 stops17h 37m

$288

TorontoPhiladelphia

YTZ - PHL

YTZPHL

Toronto Island

Tue 5/13

12:00 pm-7:48 am

2 stops19h 48m

Philadelphia

Tue 5/20

5:45 am-7:27 pm

2 stops13h 42m

$305

TorontoPhiladelphia

YTZ - PHL

YTZPHL

Toronto Island

Sat 4/19

8:25 am-2:47 pm

1 stop6h 22m

Philadelphia

Sun 4/20

3:30 pm-7:50 pm

1 stop4h 20m

$327

TorontoPhiladelphia

YYZ - PHL

YYZPHL

Toronto Pearson Intl

Fri 5/16

8:45 am-10:15 am

Nonstop1h 30m

Philadelphia

Sun 5/18

11:00 am-12:40 pm

Nonstop1h 40m

$336

MontrealPhiladelphia

YUL - PHL

YULPHL

Montreal Pierre Elliott Trudeau Intl

Fri 4/18

5:30 pm-5:07 pm

1 stop23h 37m

Philadelphia

Sun 4/20

10:35 am-12:20 pm

Nonstop1h 45m

$383

TorontoPhiladelphia

YYZ - PHL

YYZPHL

Toronto Pearson Intl

Fri 4/25

6:15 am-9:50 am

1 stop3h 35m

Philadelphia

Sun 4/27

10:43 am-2:19 pm

1 stop3h 36m

$400

OttawaPhiladelphia

YOW - PHL

YOWPHL

Ottawa

Thu 5/15

4:25 pm-7:36 am

1 stop15h 11m

Philadelphia

Thu 5/22

5:15 am-5:06 pm

1 stop11h 51m

$422

MontrealPhiladelphia

YUL - PHL

YULPHL

Montreal Pierre Elliott Trudeau Intl

Thu 4/17

1:05 pm-2:47 pm

Nonstop1h 42m

Philadelphia

Sun 4/20

3:30 pm-5:05 pm

Nonstop1h 35m

$426

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 33 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, August is the cheapest month in which you can book a flight from Region of Ontario to Philadelphia (average of $236). Flying from Region of Ontario to Philadelphia in March is currently the most expensive (average of $295). 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 April 1, 2025.

When flying from Region of Ontario to Philadelphia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 April 1, 2025.

The most flights from CAON to PHL are scheduled on a Monday (12 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (4 on average).

Rainfall in Philadelphia by month

Plan your trip to Philadelphia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Philadelphia ranges from 2.7 - 4.4 inches per month. July is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Philadelphia when rainfall is around 2.7 in.

Temperature in Philadelphia by month

Plan your trip to Philadelphia by taking into account the average temperature totals by month.

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 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

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 April 1, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta and United Airlines from Ontario to Philadelphia to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,823 reviews

Entertainment

7.1

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,823 reviews
Alaska Airlines
8.0
Very good
9,823 reviews

Entertainment

7.1

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,899 reviews
Alaska Airlines
8.0
Very good
9,823 reviews

Entertainment

7.1

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,615 reviews
Alaska Airlines
8.0
Very good
9,823 reviews

Entertainment

7.1

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,823 reviews

Entertainment

7.1

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
WestJet
7.2
Good
2,789 reviews
Alaska Airlines
8.0
Very good
9,823 reviews

Entertainment

7.1

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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?

    Located just 7.0 mi from the city center, Philadelphia (PHL) is the airport most travelers will use when flying to Philadelphia from Ontario.

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

    The cheapest airlines for a one-way flight from Region of Ontario to Philadelphia are Air Canada ($185), American Airlines ($193), and United Airlines ($222).

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

    Most travelers choose Toronto Pearson Intl - Philadelphia, Montreal Pierre Elliott Trudeau Intl - Philadelphia or Toronto Island - Philadelphia when deciding on the best route 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 Qatar Airways (71%), PSA Airlines (71%) and American Airlines (70%).

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

    The cheapest flight price from Region of Ontario to Philadelphia is $146. On average you can expect to pay $304. The most popular route, (Toronto Pearson Intl - Philadelphia), can usually be booked for $254.

  • 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, August is the cheapest month in which you can book a flight from Region of Ontario to Philadelphia (average of $236). Flying from Region of Ontario to Philadelphia in March is currently the most expensive (average of $295). 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

Traveling to a place near Ontario?

Book flights to Ontario if you plan to visit one of these locations
King of Prussia
Vineland
Pottstown
Wildwood
Reading
Cherry Hill
Exton
Ocean City
Essington
Chester
Newark
Middletown
Willow Grove
Millville
Ephrata
Camden
Dewey Beach
West Chester
Malvern
Dover

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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 John F Kennedy Intl flights
Pierre Elliott Trudeau Intl to Newark flights
Toronto Island to Newark flights
Pearson Intl to LaGuardia flights
Pierre Elliott Trudeau Intl to LaGuardia flights
Pierre Elliott Trudeau Intl to John F Kennedy Intl flights
Vancouver Intl to John F Kennedy Intl flights
Vancouver Intl to Newark flights
Pearson Intl to Dulles Intl flights
Vancouver Intl to LaGuardia flights
Pearson Intl to Reagan-National flights
Pierre Elliott Trudeau Intl to Dulles Intl flights
Pearson Intl to Philadelphia flights
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Toronto Island to Dulles Intl flights
Toronto Island to John F Kennedy Intl flights
Calgary to Newark flights
Québec City to Newark flights
Vancouver Intl to Dulles Intl flights
Halifax to Newark flights
Calgary to John F Kennedy Intl flights
Pierre Elliott Trudeau Intl to Reagan-National flights
Calgary to Dulles Intl flights
Ottawa to LaGuardia flights
Ottawa to John F Kennedy Intl flights
Québec City to John F Kennedy Intl flights
Pierre Elliott Trudeau Intl to Philadelphia flights
Vancouver Intl to Philadelphia flights
Calgary to LaGuardia flights
Pearson Intl to Pittsburgh flights
Calgary to Reagan-National flights
Vancouver Intl to Reagan-National flights
Halifax to LaGuardia flights
Edmonton to John F Kennedy Intl flights
Ottawa to Dulles Intl flights
Québec City to LaGuardia flights
Edmonton to LaGuardia flights
Abbotsford to John F Kennedy Intl flights
Halifax to John F Kennedy Intl flights
Edmonton to Newark flights
Toronto Island to Philadelphia flights
Ottawa to Reagan-National flights
Winnipeg to John F Kennedy Intl flights
Toronto Island to LaGuardia flights
Winnipeg to Newark flights
Winnipeg to LaGuardia flights
Edmonton to Dulles Intl flights
Toronto Island to Reagan-National flights
Region of Waterloo Intl 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 2,558,603 searches. Data last updated April 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$314Average$412FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$315Average$496FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$356Average$430FlexibilityNo cancel feeOn-time69%

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