Cheapest return flights from Philadelphia to Boston in October from $109

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

Return flights

02 Oct - 04 Oct Frontier Airlines direct
02 Oct - 06 Oct Frontier Airlines direct
14 Oct - 16 Oct jetBlue direct
30 Oct - 02 Nov Frontier Airlines direct
09 Oct - 14 Oct Frontier Airlines direct
23 Oct - 26 Oct Frontier Airlines
19 Oct - 26 Oct Frontier Airlines
23 Oct - 26 Oct Frontier Airlines direct
19 Oct - 26 Oct Frontier Airlines direct
04 Oct - 06 Oct American Airlines direct
03 Oct - 06 Oct American Airlines direct
31 Oct - 01 Nov American Airlines direct
30 Oct - 03 Nov Frontier Airlines
15 Oct - 01 Nov Spirit Airlines
17 Oct - 01 Nov Spirit Airlines
27 Oct - 12 Nov Spirit Airlines
27 Oct - 01 Nov Spirit Airlines
20 Oct - 01 Nov Spirit Airlines
31 Oct - 12 Nov Spirit Airlines
24 Oct - 12 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.

Book a cheap hotel in Boston

Cheap car rent in Boston

Feel free to contact us with any feedback or request another flight research.