Cheapest return flights from Philadelphia to Boston in March from $60

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

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

Return flights

20 Mar - 22 Mar Frontier Airlines direct
29 Mar - 31 Mar Frontier Airlines direct
27 Mar - 31 Mar Frontier Airlines direct
20 Mar - 20 Mar Frontier Airlines direct
22 Mar - 28 Mar Frontier Airlines direct
22 Mar - 24 Mar Frontier Airlines direct
28 Mar - 31 Mar Frontier Airlines direct
22 Mar - 27 Mar Frontier Airlines direct
21 Mar - 29 Mar Frontier Airlines direct
25 Mar - 02 Apr jetBlue direct
21 Mar - 22 Mar Frontier Airlines direct

Also check the deals for one-way 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