Cheapest return flights from Philadelphia to Boston in April from $35

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

03 Apr - 07 Apr Frontier Airlines direct
05 Apr - 07 Apr Frontier Airlines direct
12 Apr - 13 Apr Frontier Airlines direct
04 Apr - 10 Apr Frontier Airlines direct
02 Apr - 13 Apr Frontier Airlines direct
04 Apr - 07 Apr Frontier Airlines direct
03 Apr - 06 Apr Frontier Airlines direct
17 Apr - 20 Apr Frontier Airlines direct
10 Apr - 13 Apr Frontier Airlines direct
11 Apr - 14 Apr Frontier Airlines direct
09 Apr - 03 May Frontier Airlines
17 Apr - 15 May Frontier Airlines
17 Apr - 15 May Frontier Airlines direct
15 Apr - 06 May Spirit Airlines
16 Apr - 07 May Frontier Airlines direct
23 Apr - 14 May Spirit Airlines
22 Apr - 13 May Spirit Airlines
22 Apr - 04 May Frontier Airlines
22 Apr - 15 May Frontier Airlines
23 Apr - 04 May Frontier 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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