Cheapest return flights from Philadelphia to Boston in April from $56

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

02 Apr - 05 Apr Frontier Airlines direct
02 Apr - 09 Apr Frontier Airlines direct
07 Apr - 09 Apr Frontier Airlines direct
09 Apr - 16 Apr Frontier Airlines direct
10 Apr - 10 Apr Frontier Airlines direct
03 Apr - 07 Apr Frontier Airlines direct
08 Apr - 16 Apr Spirit Airlines
08 Apr - 10 Apr Spirit Airlines
06 Apr - 08 Apr Frontier Airlines
04 Apr - 06 Apr Frontier Airlines direct
19 Apr - 10 May Frontier Airlines direct
30 Apr - 02 May Spirit Airlines
30 Apr - 04 May Spirit Airlines
30 Apr - 03 May Spirit Airlines
30 Apr - 03 May jetBlue direct
28 Apr - 10 May jetBlue direct
30 Apr - 04 May American Airlines direct
30 Apr - 02 May jetBlue direct
25 Apr - 02 May Delta direct
27 Apr - 03 May Spirit Airlines

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

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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.

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