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St John

$665+ Cheap flights from Philadelphia (PHL) to Saint John (YSJ)

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 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — YSJ
May 3 — May 101
Sun 5/3
Sun 5/10
1 adult, Economy
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Cheap flight deals from Philadelphia to St John

Cheapest flights from Philadelphia to St John
Explore the most affordable flight options available from Philadelphia to St John. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 3, 2026.

This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2710:05 am
PHL
-
YSJ
1 stop4h 35m
Air Canada
Sat 5/304:30 pm
YSJ
-
PHL
1 stop6h 03m
Air Canada
Deal found 3/30$665
This Air Canada deal was found by Cheapflights users on 3/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/216:00 am
PHL
-
YSJ
1 stop4h 55m
Air Canada
Mon 5/255:35 am
YSJ
-
PHL
1 stop5h 13m
Air Canada
Deal found 3/29$675
This United Airlines deal was found by Cheapflights users on 3/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/216:00 am
PHL
-
YSJ
1 stop4h 55m
United Airlines
Mon 5/2512:50 pm
YSJ
-
PHL
2 stops12h 55m
United Airlines
Deal found 3/29$787

Find flight deals from Philadelphia to St John

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to St John (YSJ). 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 April 3, 2026.

Round-trip from

$665
(Air Canada)
From Philadelphia to Saint John
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Philadelphia to St John 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 3, 2026.
Use the filters below to find and compare flights from Philadelphia to Saint John that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaSaint John

PHL - YSJ

PHLYSJ

Philadelphia

Wed 5/27

10:05 am-3:40 pm

1 stop4h 35m

Saint John

Sat 5/30

4:30 pm-9:33 pm

1 stop6h 03m

$665
Quickest round-trip

PhiladelphiaSaint John

PHL - YSJ

PHLYSJ

Philadelphia

Thu 5/21

6:00 am-11:55 am

1 stop4h 55m

Saint John

Mon 5/25

5:35 am-9:48 am

1 stop5h 13m

$675

PhiladelphiaSaint John

PHL - YSJ

PHLYSJ

Philadelphia

Thu 5/28

6:00 am-3:40 pm

2 stops8h 40m

Saint John

Wed 6/3

4:30 pm-10:43 pm

2 stops7h 13m

$692

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Sorted by cheapest first

Best time to book a flight from Philadelphia to St John

Have a flexible travel schedule? Discover the best time to fly to St John 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.

Related info for your journey

Find useful and relevant information for your journey from Philadelphia to St John. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Philadelphia to Saint John?

    For as low as $665, Air Canada can have you in Saint John from Philadelphia in 4h 35m. The distance between Philadelphia and Saint John is about 605 mi.

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

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

  • How can I find direct flights from Philadelphia to St John?

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

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

    Yes. Cheapflights offers flight deals from Philadelphia to St John by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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