In terms of precipitation, rainfall in Saint John ranges from 3.2 - 5.3 inches per month. November is typically the wettest month, when rainfall can reach 5.3 in. August is typically the driest time to visit Saint John when rainfall is around 3.2 in.

If weather is an important factor for your trip to Saint John, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 17.6 F).

What is the cheapest time of day to fly from PHL to YSJ?

When flying from Philadelphia to Saint John, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

$262+ Flights from Philadelphia to Saint John

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Cheap flight deals from Philadelphia to St John

Round-trip from	$939 (Air Canada)
One-way from	$262 (Kiwi.com)

From Philadelphia to Saint John

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One-way flight from Philadelphia to Saint John

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Find 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 18, 2025.

Fri 9/124:50 pmPHL - YSJ

1 stop6h 21mAir Canada

Fri 9/195:55 amYSJ - PHL

2 stops9h 43mAir Canada

Deal found 8/15

$939

Fri 9/126:27 pmPHL - YSJ

2 stops28h 44mUnited Airlines

Fri 9/195:55 amYSJ - PHL

2 stops31h 01mUnited Airlines

Deal found 8/15

$987

Best flights from Philadelphia to St John
Discover carefully curated flight deals from Philadelphia to St John that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 18, 2025.

Fri 9/124:50 pmPHL - YSJ

1 stop6h 21mAir Canada

Fri 9/195:55 amYSJ - PHL

2 stops9h 43mAir Canada

Deal found 8/15

$939

Fri 9/126:27 pmPHL - YSJ

2 stops28h 44mUnited Airlines

Fri 9/195:55 amYSJ - PHL

2 stops31h 01mUnited Airlines

Deal found 8/15

$987

Last-minute flights from Philadelphia to St John
Discover last-minute flight deals from Philadelphia to St John. Data last updated August 18, 2025 and is based on user searches.

Fri 9/124:50 pmPHL - YSJ

1 stop6h 21mAir Canada

Fri 9/195:55 amYSJ - PHL

2 stops9h 43mAir Canada

Deal found 8/15

$939

Fri 9/126:27 pmPHL - YSJ

2 stops28h 44mUnited Airlines

Fri 9/195:55 amYSJ - PHL

2 stops31h 01mUnited Airlines

Deal found 8/15

$987

One-way flights from Philadelphia to St John
Search for one-way flight options from Philadelphia to St John. Find affordable one-way fares based on user searches. Data last updated August 18, 2025.

Tue 9/308:00 amPHL - YSJ

3 stops30h 45mMultiple Airlines

Deal found 8/17

$262

Sun 8/319:47 amPHL - YSJ

2 stops23h 13mMultiple Airlines

Deal found 8/17

$376

Tue 9/3010:05 amPHL - YSJ

2 stops13h 06mUnited Airlines

Deal found 8/17

$437

Tue 9/303:25 pmPHL - YSJ

1 stop18h 24mAir Canada

Deal found 8/17

$459

Cheapflights Fare Finder

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

PhiladelphiaSaint John

PHL - YSJ

PHLYSJ

Philadelphia

Fri 9/12

4:50 pm-12:11 am

1 stop6h 21m

Saint John

Fri 9/19

5:55 am-2:38 pm

2 stops9h 43m

$939

PhiladelphiaSaint John

PHL - YSJ

PHLYSJ

Philadelphia

Fri 9/12

6:27 pm-12:11 am

2 stops28h 44m

Saint John

Fri 9/19

5:55 am-11:56 am

2 stops31h 01m

$987

PhiladelphiaSaint John

PHL - YSJ

PHLYSJ

Philadelphia

Tue 9/30

8:00 am-3:45 pm

3 stops30h 45m

$262

PhiladelphiaSaint John

PHL - YSJ

PHLYSJ

Philadelphia

Sun 8/31

9:47 am-10:00 am

2 stops23h 13m

$376

PhiladelphiaSaint John

PHL - YSJ

PHLYSJ

Philadelphia

Tue 9/30

10:05 am-12:11 am

2 stops13h 06m

$437

PhiladelphiaSaint John

PHL - YSJ

PHLYSJ

Philadelphia

Tue 9/30

3:25 pm-10:49 am

1 stop18h 24m

$459

PhiladelphiaSaint John

PHL - YSJ

PHLYSJ

Philadelphia

Sun 8/31

7:30 am-1:00 am

1 stop16h 30m

$518

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/17

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

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.

Browse thousands of different options on Cheapflights for your next trip

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$262+ Cheap flights from Philadelphia (PHL) to Saint John (YSJ)

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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Philadelphia to St John with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Philadelphia to St John

Round-trip from

One-way from

Find flight deals from Philadelphia to St John

Cheapest flights from Philadelphia to St JohnExplore 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 18, 2025.

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 18, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Philadelphia to Saint John that are best for you.

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.

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.

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

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

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

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

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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 18, 2025.