Cheapest one-way flights from Boston to Philadelphia in August from 89€

Best time to book flights for Boston (BOS) to Philadelphia (PHL) flights at AirHint

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

One-Way flights

12 Aug jetBlue direct
01 Aug Delta direct
02 Aug Delta direct
03 Aug Delta direct
04 Aug Delta direct
05 Aug Delta direct
06 Aug Delta direct
07 Aug Delta direct
08 Aug Delta direct
09 Aug Delta direct

Also check the deals for return flights from Boston to Philadelphia in August.

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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