Cheapest return flights from Philadelphia to Boston in April from $155

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 April 2025 (see full year).

Return flights

14 Apr - 21 Apr Frontier Airlines direct
03 Apr - 07 Apr jetBlue direct
04 Apr - 07 Apr jetBlue direct
19 Apr - 22 Apr Frontier Airlines direct
20 Apr - 21 Apr jetBlue direct
19 Apr - 21 Apr Frontier Airlines direct
10 Apr - 21 Apr Frontier Airlines direct
11 Apr - 14 Apr Frontier Airlines direct
12 Apr - 14 Apr Frontier Airlines direct
01 Apr - 04 Apr Frontier Airlines

Also check the deals for one-way flights from Philadelphia to Boston in April.

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