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St John

$664+ 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 5/22. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — YSJ
Mar 19 — Mar 261
Thu 3/19
Thu 3/26
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 February 17, 2026.

This Air Canada deal was found by Cheapflights users on 2/16. 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.
Mon 8/3110:05 am
PHL
-
YSJ
1 stop4h 45m
Air Canada
Thu 9/34:30 pm
YSJ
-
PHL
1 stop6h 04m
Air Canada
Deal found 2/16$664
This Air Canada deal was found by Cheapflights users on 2/16. 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 4/24:25 pm
PHL
-
YSJ
1 stop6h 27m
Air Canada
Thu 4/911:55 am
YSJ
-
PHL
2 stops11h 48m
Air Canada
Deal found 2/16$682
This Air Canada deal was found by Cheapflights users on 2/17. 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.
Mon 3/234:35 pm
PHL
-
YSJ
1 stop5h 59m
Air Canada
Thu 3/265:40 am
YSJ
-
PHL
1 stop11h 09m
Air Canada
Deal found 2/17$698
This Air Canada deal was found by Cheapflights users on 2/15. 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.
Sun 3/294:25 pm
PHL
-
YSJ
2 stops17h 45m
Air Canada
Fri 4/35:35 am
YSJ
-
PHL
1 stop11h 09m
Air Canada
Deal found 2/15$732
This United Airlines deal was found by Cheapflights users on 2/16. 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 4/24:25 pm
PHL
-
YSJ
1 stop6h 27m
United Airlines
Thu 4/95:35 am
YSJ
-
PHL
1 stop11h 09m
United Airlines
Deal found 2/16$785

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 February 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$664
(Air Canada)
Provider with most accurate pricing for Philadelphia-Saint John flight deals.
Search Deals
Provider most trusted by Cheapflights users for Philadelphia-Saint John flights.
Search Deals
From Philadelphia to Saint John
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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 February 17, 2026.
Use the filters below to find and compare flights from Philadelphia to Saint John that are best for you.

Fly from

Philadelphia

Fly to

St John

Route

Depart

Return

Price

PhiladelphiaSaint John

PHL - YSJ

PHLYSJ

Philadelphia

Fri 5/22

10:05 am-3:40 pm

1 stop4h 35m

Saint John

Sun 5/31

4:30 pm-9:33 pm

1 stop6h 03m

$664

PhiladelphiaSaint John

PHL - YSJ

PHLYSJ

Philadelphia

Thu 4/2

4:25 pm-11:52 pm

1 stop6h 27m

Saint John

Thu 4/9

11:55 am-10:43 pm

2 stops11h 48m

$682

PhiladelphiaSaint John

PHL - YSJ

PHLYSJ

Philadelphia

Mon 3/23

4:35 pm-11:34 pm

1 stop5h 59m

Saint John

Thu 3/26

5:40 am-3:49 pm

1 stop11h 09m

$698

PhiladelphiaSaint John

PHL - YSJ

PHLYSJ

Philadelphia

Sun 3/29

4:25 pm-11:10 am

2 stops17h 45m

Saint John

Fri 4/3

5:35 am-3:44 pm

1 stop11h 09m

$732

PhiladelphiaSaint John

PHL - YSJ

PHLYSJ

Philadelphia

Thu 4/2

4:25 pm-11:52 pm

1 stop6h 27m

Saint John

Thu 4/9

5:35 am-3:44 pm

1 stop11h 09m

$785

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/15

  • Most accurate provider: When it comes to deals on Philadelphia-Saint John flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Philadelphia-Saint John flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Philadelphia-Saint John flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Philadelphia-Saint John flights, Cheapflights users trust FlightHub the most. FlightHub 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-Saint John 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 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 $664, 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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