Cheapest return flights from Boston to Philadelphia in October from 67€

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

Return flights

23 Oct - 26 Oct Frontier Airlines direct
27 Oct - 30 Oct Frontier Airlines
28 Oct - 31 Oct Delta direct
26 Oct - 30 Oct Frontier Airlines direct
30 Oct - 02 Nov Frontier Airlines direct
30 Oct - 31 Oct Spirit Airlines
28 Oct - 01 Nov Delta direct
29 Oct - 01 Nov Delta direct
30 Oct - 04 Nov Spirit Airlines
30 Oct - 05 Nov Spirit Airlines
29 Oct - 04 Nov Spirit Airlines
29 Oct - 05 Nov Spirit Airlines
27 Oct - 30 Oct Delta direct
30 Oct - 19 Nov Spirit Airlines
30 Oct - 12 Nov Spirit Airlines
29 Oct - 12 Nov Spirit Airlines
21 Oct - 28 Oct Delta direct
26 Oct - 27 Oct Frontier Airlines
16 Oct - 19 Oct Frontier Airlines direct
24 Oct - 26 Oct Frontier 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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