Cheapest one-way flights from Philadelphia to Boston in March from $34

Best time to book flights for Philadelphia (PHL) to Boston (BOS) flights at AirHint

AirHint found the following cheapest one-way flights from Philadelphia (PHL) to Boston (BOS) in March 2025 (see full year).

One-Way flights

02 Mar Frontier Airlines direct
24 Mar Frontier Airlines direct
27 Mar Frontier Airlines direct
06 Mar Frontier Airlines direct
14 Mar Frontier Airlines direct
08 Mar Frontier Airlines direct
20 Mar Frontier Airlines direct
17 Mar Frontier Airlines direct
13 Mar Frontier Airlines direct
07 Mar Frontier Airlines direct

Also check the deals for return flights from Philadelphia to Boston in March.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

Book a cheap hotel in Boston

Cheap car rent in Boston