Cheapest return flights from Philadelphia to Boston in October from $98

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

Return flights

16 Oct - 19 Oct Frontier Airlines direct
01 Oct - 09 Oct jetBlue direct
08 Oct - 14 Oct jetBlue direct
03 Oct - 05 Oct Spirit Airlines
03 Oct - 05 Oct jetBlue direct
17 Oct - 19 Oct Spirit Airlines
01 Oct - 14 Oct Spirit Airlines
01 Oct - 03 Oct Spirit Airlines
01 Oct - 21 Oct Spirit Airlines
01 Oct - 06 Oct Spirit Airlines
26 Oct - 04 Nov Spirit Airlines
27 Oct - 04 Nov Spirit Airlines

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

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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