Cheapest one-way flights from Boston to Philadelphia in October from $49

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

One-Way flights

02 Oct Frontier Airlines direct
09 Oct Frontier Airlines direct
12 Oct Frontier Airlines direct
16 Oct Frontier Airlines direct
19 Oct Frontier Airlines direct
23 Oct Frontier Airlines direct
05 Oct Frontier Airlines direct
06 Oct Delta direct
08 Oct Delta direct
04 Oct jetBlue direct

Also check the deals for return flights from Boston to Philadelphia 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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