$899+ Cheap flights from Philadelphia (PHL) to Sudbury, ON (YSB)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — YSB
Jan 11 — Jan 181
1 adult, Economy
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Find cheap flights from Philadelphia to Sudbury 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 Sudbury
Best flights from Philadelphia to SudburyDiscover carefully curated flight deals from Philadelphia to Sudbury that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.
Discover carefully curated flight deals from Philadelphia to Sudbury that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.
This Air Canada deal was found by Cheapflights users on 12/11. 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.
Thu 1/157:50 amPHL - YSB
1 stop25h 19mAir Canada
Mon 1/194:15 pmYSB - PHL
2 stops22h 32mAir Canada
Deal found 12/11![Air Canada logo]()
$899
This United Airlines deal was found by Cheapflights users on 12/9. 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.
Thu 1/1510:30 amPHL - YSB
2 stops11h 09mUnited Airlines
Mon 1/199:45 amYSB - PHL
2 stops23h 53mUnited Airlines
Deal found 12/9![United Airlines logo]()
$909
Find flight deals from Philadelphia to Sudbury
Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Sudbury (YSB). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 12, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $899 (Air Canada) |
Cheapflights Fare Finder
Customize your flight search to find flights from Philadelphia to Sudbury 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 December 12, 2025.
Use the filters below to find and compare flights from Philadelphia to Sudbury that are best for you.
Fly from
Philadelphia
Fly to
Sudbury
Route
Depart
Return
Price
PhiladelphiaSudbury
PHL - YSB
PHLYSB
Philadelphia
Thu 1/15
7:50 am-9:09 am
1 stop25h 19m
Sudbury
Mon 1/19
4:15 pm-2:47 pm
2 stops22h 32m
$899
PhiladelphiaSudbury
PHL - YSB
PHLYSB
Philadelphia
Thu 1/15
10:30 am-9:39 pm
2 stops11h 09m
Sudbury
Mon 1/19
9:45 am-9:38 am
2 stops23h 53m
$909
Compare providers for flights from Philadelphia to Sudbury
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Philadelphia to Sudbury in December.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Philadelphia-Sudbury, Ontario flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Philadelphia-Sudbury, Ontario flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Philadelphia-Sudbury, Ontario flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Philadelphia-Sudbury, Ontario flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Philadelphia-Sudbury, Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Philadelphia to Sudbury
Have a flexible travel schedule? Discover the best time to fly to Sudbury 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.