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.
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 |
Find flight deals from Ontario to Philadelphia
Cheapest flights from Ontario to PhiladelphiaExplore 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.
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.
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
Fly to
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
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
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
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
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
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
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
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
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
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
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.
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.
Crew
Food
Entertainment
Comfort
Boarding
Overall
Reviews
Kim,May 2025
PIH - SLC
Crew
Food
Entertainment
Comfort
Boarding
Overall
Reviews
Kim,May 2025
PIH - SLC
Crew
Food
Entertainment
Comfort
Boarding
Overall
Reviews
Kim,May 2025
PIH - SLC
Crew
Food
Entertainment
Comfort
Boarding
Overall
Reviews
Kim,May 2025
PIH - SLC
Crew
Food
Entertainment
Comfort
Boarding
Overall
Reviews
Kim,May 2025
PIH - SLC
Crew
Food
Entertainment
Comfort
Boarding
Overall
Reviews
Kim,May 2025
PIH - SLC
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.
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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.
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.
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.