$48 Find Cheap Frontier Flights from Boston to Philadelphia

When to Book Flights with Frontier from Boston to Philadelphia

• How far in advance should I book tickets for a flight with Frontier from Boston to Philadelphia?

  Generally, when trying to get a below average price for your ticket, try to book around 7 days before departure. For the cheapest possible price, our data suggests booking 61 days before departure.

• Is Frontier the cheapest airline to fly with from Boston to Philadelphia?

  Yes, based on our data, Frontier is the cheapest airline to fly the route with an average price of $77 return. The next cheapest options are JetBlue and Delta, with return flights costing on average $184 and $199 respectively.

• What is the cheapest Frontier flight from Boston to Philadelphia?

  In the last 3 days, the lowest price for a flight with Frontier from Boston to Philadelphia was $108 for a return flight and $80 for a one-way flight.

• Does Frontier fly direct to Philadelphia from Boston?

  No, Frontier does not fly the route directly.

• What’s the cheapest day of the week to fly from Boston to Philadelphia with Frontier?

  On average, the cheapest day of the week to fly from Boston to Philadelphia with Frontier is Tuesday, when prices are around $17. The most expensive day is generally Saturday, where the average price is around $28.

• What’s the cheapest month to fly from Boston to Philadelphia with Frontier?

  The cheapest month for Frontier flights to Philadelphia from Boston is generally May, where plane tickets cost $44 on average. If possible, try to avoid the most expensive months of December and January, where tickets cost $89 and $99 respectively.