HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
St John

$673+ 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 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — YSJ
Sep 15 — Sep 221
Tue 9/15
Tue 9/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Philadelphia to St John 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 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 August 16, 2026.

This Air Canada deal was found by Cheapflights users on 8/13. 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.
Tue 10/1310:05 am -
1 stop4h 54m
Thu 10/224:40 pm -
1 stop5h 52m
Deal found 8/13$673
This Air Canada deal was found by Cheapflights users on 8/12. 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.
Sat 9/2610:05 am -
1 stop4h 54m
Sat 10/34:40 pm -
1 stop5h 52m
Deal found 8/12$742
This Air Canada deal was found by Cheapflights users on 8/13. 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 9/2710:05 am -
1 stop4h 54m
Sun 10/44:40 pm -
1 stop5h 52m
Deal found 8/13$751
This Air Canada deal was found by Cheapflights users on 8/12. 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 10/2210:05 am -
1 stop4h 54m
Sat 10/245:40 am -
2 stops10h 07m
Deal found 8/12$755
This Air Canada deal was found by Cheapflights users on 8/11. 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 9/1010:05 am -
1 stop4h 54m
Thu 9/174:40 pm -
1 stop5h 52m
Deal found 8/11$759
This Air Canada deal was found by Cheapflights users on 8/12. 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 10/2210:05 am -
1 stop4h 54m
Sun 10/2511:05 am -
1 stop4h 39m
Deal found 8/12$766

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 August 16, 2026.

Round-trip from

$673
(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 August 16, 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 Philadelphia - YSJ Saint John

PHLYSJ

Philadelphia

Thu 10/22

10:05 am-3:59 pm

1 stop4h 54m

Saint John

Sat 10/24

4:40 pm-9:32 pm

1 stop5h 52m

$742

PhiladelphiaSaint John

PHL Philadelphia - YSJ Saint John

PHLYSJ

Philadelphia

Sun 9/27

10:05 am-3:59 pm

1 stop4h 54m

Saint John

Sun 10/4

4:40 pm-9:32 pm

1 stop5h 52m

$751

PhiladelphiaSaint John

PHL Philadelphia - YSJ Saint John

PHLYSJ

Philadelphia

Thu 9/10

10:05 am-3:59 pm

1 stop4h 54m

Saint John

Thu 9/17

4:40 pm-9:32 pm

1 stop5h 52m

$759
Quickest round-trip

PhiladelphiaSaint John

PHL Philadelphia - YSJ Saint John

PHLYSJ

Philadelphia

Thu 10/22

10:05 am-3:59 pm

1 stop4h 54m

Saint John

Sun 10/25

11:05 am-2:44 pm

1 stop4h 39m

$766

PhiladelphiaSaint John

PHL Philadelphia - YSJ Saint John

PHLYSJ

Philadelphia

Sun 12/13

5:05 pm-11:24 pm

1 stop5h 19m

Saint John

Tue 12/15

6:00 pm-10:56 pm

1 stop5h 56m

$866

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

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 $742, Air Canada can have you in Saint John from Philadelphia in 4h 54m. 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

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 St John

See prices for flight routes from nearby airports that may be better suited for you.
Newark to Fredericton flights
Dulles Intl to Moncton flights
Dulles Intl to St John flights

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.