Cheapest return flights from Boston to Philadelphia in October from 136€

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

Return flights

17 Oct - 18 Oct Delta direct
09 Oct - 12 Oct Frontier Airlines direct
17 Oct - 23 Oct Spirit Airlines
19 Oct - 23 Oct Spirit Airlines
22 Oct - 23 Oct Spirit Airlines
17 Oct - 04 Nov Spirit Airlines
19 Oct - 04 Nov Spirit Airlines
22 Oct - 04 Nov Spirit Airlines
23 Oct - 04 Nov Spirit Airlines
24 Oct - 04 Nov Spirit Airlines
23 Oct - 13 Nov Spirit Airlines
24 Oct - 13 Nov Spirit Airlines
09 Oct - 18 Oct Spirit Airlines
09 Oct - 23 Oct Spirit Airlines
06 Oct - 18 Oct Spirit Airlines
06 Oct - 23 Oct Spirit Airlines
06 Oct - 12 Oct Spirit Airlines

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

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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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