Cheapest one-way flights from Philadelphia to Boston in March from $78

AirHint found the following cheapest one-way flights from Philadelphia (PHL) to Boston (BOS) in March 2026 (see full year).

One-Way flights

01 Mar jetBlue direct
17 Mar American Airlines direct
21 Mar Spirit Airlines
12 Mar Spirit Airlines
13 Mar Spirit Airlines
22 Mar Spirit Airlines

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

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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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