Cheapest return flights from Boston to Philadelphia in July from 137€

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

Return flights

24 Jul - 27 Jul Frontier Airlines direct
25 Jul - 08 Aug Spirit Airlines
24 Jul - 29 Jul Frontier Airlines direct
25 Jul - 06 Aug Spirit Airlines
25 Jul - 14 Aug Spirit Airlines
25 Jul - 04 Aug Spirit Airlines
25 Jul - 05 Aug Spirit Airlines
31 Jul - 03 Aug Frontier Airlines direct
27 Jul - 29 Jul Frontier Airlines direct
25 Jul - 27 Jul Spirit Airlines
25 Jul - 15 Aug Spirit Airlines
25 Jul - 11 Aug Spirit Airlines
25 Jul - 10 Aug Spirit Airlines
25 Jul - 02 Aug Spirit Airlines
24 Jul - 31 Jul Frontier Airlines direct
30 Jul - 31 Jul Frontier Airlines
25 Jul - 29 Jul Spirit Airlines
23 Jul - 27 Jul Spirit Airlines
21 Jul - 29 Jul Frontier Airlines
28 Jul - 29 Jul Frontier Airlines

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

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.

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