HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$73+ Cheap flights from Philadelphia (PHL) to Ontario

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 1/18. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — YYZ
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Philadelphia to Ontario with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Philadelphia to Ontario

Keep the following information in mind while searching for Philadelphia to Ontario flight deals. Data was last updated October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$251
(Kiwi.com)

One-way from

$73
(Kiwi.com)

Popular in

September

Cheapest in

March

Average price

$484

Good round-trip deal

$537 or less

Good one-way deal

$268 or less
Provider with most accurate pricing for Philadelphia-Toronto (YTO) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Philadelphia-Toronto (YTO) flights.
Search Deals
From Philadelphia to Ontario
Search Deals
One-way flight from Philadelphia to Ontario
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($45 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from Philadelphia to Ontario.
Search Deals
Price to beat on a one-way flight from Philadelphia to Ontario.
Search Deals

Find flight deals from Philadelphia to Ontario

Cheapest flights from Philadelphia to Ontario
Explore the most affordable flight options available from Philadelphia to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/29. 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 11/1712:26 pmPHL - YYZ
1 stop8h 41mMultiple Airlines
Fri 11/217:00 amYYZ - PHL
1 stop16h 42mMultiple Airlines
Deal found 10/29$255
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Sun 12/710:00 pmPHL - YYZ
1 stop26h 11mMultiple Airlines
Thu 12/112:20 pmYYZ - PHL
1 stop9h 42mMultiple Airlines
Deal found 10/29$257
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Sat 12/610:00 pmPHL - YYZ
1 stop16h 13mMultiple Airlines
Thu 12/112:20 pmYYZ - PHL
1 stop9h 42mMultiple Airlines
Deal found 10/29$263
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Tue 12/910:00 pmPHL - YYZ
1 stop26h 11mMultiple Airlines
Tue 12/168:30 pmYYZ - PHL
1 stop18h 14mMultiple Airlines
Deal found 10/29$267
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Sat 12/610:00 pmPHL - YYZ
1 stop16h 13mMultiple Airlines
Tue 12/911:15 amYYZ - PHL
1 stop11h 21mMultiple Airlines
Deal found 10/29$270
This Kiwi.com deal was found by Cheapflights users on 10/30. 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.
Mon 12/84:34 pmPHL - YYZ
1 stop7h 37mMultiple Airlines
Mon 1/123:40 pmYYZ - PHL
1 stop8h 51mMultiple Airlines
Deal found 10/30$273
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 12/82:06 pmPHL - YYZ
1 stop10h 05mMultiple Airlines
Thu 12/112:20 pmYYZ - PHL
1 stop9h 42mMultiple Airlines
Deal found 10/29$274
This Mytrip deal was found by Cheapflights users on 10/30. 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.
Wed 12/38:54 pmPHL - YYZ
1 stop17h 46mMultiple Airlines
Sun 1/113:40 pmYYZ - PHL
1 stop8h 52mMultiple Airlines
Deal found 10/30$276
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 11/175:05 amPHL - YYZ
2 stops16h 02mMultiple Airlines
Thu 11/207:00 amYYZ - PHL
1 stop16h 25mMultiple Airlines
Deal found 10/28$277
This Mytrip deal was found by Cheapflights users on 10/30. 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.
Fri 12/56:00 amPHL - YOW
2 stops18h 25mMultiple Airlines
Sun 12/74:20 pmYOW - PHL
3 stops30h 56mMultiple Airlines
Deal found 10/30$277
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 12/48:00 amPHL - YYZ
1 stop31h 17mMultiple Airlines
Sun 12/78:30 pmYYZ - PHL
1 stop12h 47mMultiple Airlines
Deal found 10/30$278
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 12/82:06 pmPHL - YYZ
1 stop10h 05mMultiple Airlines
Tue 12/911:15 amYYZ - PHL
1 stop11h 21mMultiple Airlines
Deal found 10/29$281

Cheapflights Fare Finder

 
Customize your flight search to find flights from Philadelphia to Ontario 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 October 30, 2025.
Use the filters below to find and compare flights from Philadelphia to Ontario that are best for you.

Fly from

Philadelphia

Fly to

Ontario

Route

Depart

Return

Price

PhiladelphiaOttawa

PHL - YOW

PHLYOW

Philadelphia

Fri 12/5

6:00 am-12:25 am

2 stops18h 25m

Ottawa

Sun 12/7

4:20 pm-11:16 pm

3 stops30h 56m

$277

PhiladelphiaHamilton

PHL - YHM

PHLYHM

Philadelphia

Thu 1/29

5:15 am-3:00 pm

1 stop9h 45m

Hamilton

Sun 2/1

7:25 am-12:32 am

1 stop17h 07m

$324

PhiladelphiaToronto

PHL - YTZ

PHLYTZ

Philadelphia

Mon 11/17

1:19 pm-6:57 pm

1 stop5h 38m

Toronto Island

Thu 11/20

9:15 am-4:06 pm

2 stops30h 51m

$337

PhiladelphiaOttawa

PHL - YOW

PHLYOW

Philadelphia

Fri 12/12

6:58 pm-12:25 am

1 stop29h 27m

Ottawa

Fri 12/19

4:20 pm-10:31 am

1 stop18h 11m

$341

PhiladelphiaMontreal

PHL - YUL

PHLYUL

Philadelphia

Sun 11/16

1:57 pm-12:30 am

1 stop10h 33m

Montreal Pierre Elliott Trudeau Intl

Tue 11/18

6:45 am-11:26 pm

1 stop16h 41m

$360

PhiladelphiaMontreal

PHL - YUL

PHLYUL

Philadelphia

Sun 12/7

4:34 pm-12:30 am

1 stop7h 56m

Montreal Pierre Elliott Trudeau Intl

Thu 12/11

6:45 am-11:16 pm

1 stop16h 31m

$360

PhiladelphiaMontreal

PHL - YUL

PHLYUL

Philadelphia

Sun 12/7

4:34 pm-12:30 am

1 stop7h 56m

Montreal Pierre Elliott Trudeau Intl

Wed 12/10

6:45 am-10:36 pm

1 stop15h 51m

$360

PhiladelphiaToronto

PHL - YTZ

PHLYTZ

Philadelphia

Thu 11/27

5:25 am-10:03 pm

2 stops16h 38m

Toronto Island

Thu 12/4

10:30 am-9:17 am

2 stops22h 47m

$382

PhiladelphiaToronto

PHL - YTZ

PHLYTZ

Philadelphia

Fri 11/28

9:48 am-4:43 pm

3 stops30h 55m

Toronto Island

Mon 12/1

2:05 pm-9:20 am

2 stops19h 15m

$386

PhiladelphiaOttawa

PHL - YOW

PHLYOW

Philadelphia

Thu 1/15

10:00 pm-5:13 pm

1 stop19h 13m

Ottawa

Mon 1/19

4:20 pm-10:31 am

1 stop18h 11m

$387

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Philadelphia to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Philadelphia 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 Philadelphia to Ontario

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

Currently, May is the cheapest month in which you can book a flight from Philadelphia to Region of Ontario (average of $84). Flying from Philadelphia to Region of Ontario in December is currently the most expensive (average of $129). 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 PHL to ON?

Find hourly flight availability from Philadelphia to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

A simple way to save on the total cost of your ticket is to fly from Philadelphia to Region of Ontario at noon. If you’re flexible enough to do this you can expect to save up to 9% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from Philadelphia to Region of Ontario?

Use this chart to determine the cheapest time to fly round-trip from Philadelphia to Ontario. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Philadelphia to Region of Ontario flight should consider departing on Wednesday mornings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated October 30, 2025.
Get a feel of what it's like to fly with United Airlines, American Airlines, and Air Canada from Philadelphia to Ontario by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,998 reviews

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Food

6.6

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
8,998 reviews
United Airlines
7.4
Good
8,998 reviews

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Food

6.6

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
American Airlines
7.2
Good
11,030 reviews
United Airlines
7.4
Good
8,998 reviews

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Food

6.6

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Air Canada
7.1
Good
10,376 reviews
United Airlines
7.4
Good
8,998 reviews

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Food

6.6

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

Find useful and relevant information for your journey from Philadelphia to Ontario. 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 from for flights from Philadelphia to Ontario?

    For a flight from Philadelphia to Ontario, you will be flying from Philadelphia. Philadelphia (PHL) is just 7.0 mi from the center of the city.

  • How long is the flight from Philadelphia to Region of Ontario?

    For as low as $433, Air Canada can have you in Region of Ontario from Philadelphia in 6h 14m. The distance from Philadelphia to Region of Ontario is about 346 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    While some choose either Philadelphia - Montreal Pierre Elliott Trudeau Intl or Philadelphia - Toronto Island, Philadelphia - Toronto Pearson Intl is the most popular route from Philadelphia to Region of Ontario.

  • What are the most reliable airlines from Philadelphia to Region of Ontario?

    Before booking your flight to Region of Ontario from Philadelphia, check out the most reliable airlines to get you to your destination on time: Republic Airways (88%), Porter Airlines (85%), Air Canada( 85%).

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

    Looking for the cheapest flight from Philadelphia to Region of Ontario? While on average our users pay $857, our data indicates the cheapest price to be $188. The most popular route (Philadelphia - Toronto Pearson Intl), is priced around $243.

  • Can I find deals for flights from Philadelphia to Ontario that include hotel bookings?

    Yes. In addition to deals on Philadelphia to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Philadelphia to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Philadelphia to Ontario.

  • Can I find deals for business class flights from Philadelphia to Ontario?

    Yes. Cheapflights offers flight deals from Philadelphia to Ontario 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 Philadelphia to Region of Ontario?

    Currently, May is the cheapest month in which you can book a flight from Philadelphia to Region of Ontario (average of $84). Flying from Philadelphia to Region of Ontario in December is currently the most expensive (average of $129). 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

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 Philadelphia to Ontario

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

Top 3 airlines flying from Philadelphia to Ontario

Discover the top 3 airlines that operate flights from Philadelphia to Ontario. 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$191Average$766FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$214Average$489FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$427Average$554FlexibilityNo cancel feeOn-time71%

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.