$821+ 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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — YSJ
Apr 2 — Apr 91
1 adult, Economy
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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
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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
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 March 28, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $821 (United Airlines) |
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 March 28, 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 March 28, 2025.
This United Airlines deal was found by Cheapflights users on 3/25. 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.
Sat 5/104:50 pmPHL - YSJ
1 stop5h 59mUnited Airlines
Sat 5/1711:35 amYSJ - PHL
1 stop4h 01mUnited Airlines
Deal found 3/25![United Airlines logo]()
$821
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 March 28, 2025.
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
Sat 5/10
4:50 pm-11:49 pm
1 stop5h 59m
Saint John
Sat 5/17
11:35 am-2:36 pm
1 stop4h 01m
$821
- 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.
Cheapflights Insights
Everything you need to know about your flight from Philadelphia to Saint John
Rainfall in St John by month
Plan your trip to St John by taking into account the average rainfall totals by month.
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.
Temperature in St John by month
Plan your trip to St John by taking into account the average temperature totals by month.
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).
Reviews of airlines servicing St John
Get insights into the airlines that provide service to St John. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St John. Reviews last updated March 28, 2025.
Overall
7.4
Boarding
7.7
Entertainment
7.0
Comfort
7.3
Crew
8.1
Food
6.6
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Overall
7.4
Boarding
7.7
Entertainment
7.0
Comfort
7.3
Crew
8.1
Food
6.6
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE