Cheapest one-way flights from Boston to Philadelphia in March from 42€

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 March 2025 (see full year).

One-Way flights

04 Mar Frontier Airlines direct
18 Mar Frontier Airlines direct
26 Mar Frontier Airlines direct
25 Mar Frontier Airlines direct
09 Mar Frontier Airlines direct
10 Mar Frontier Airlines direct
08 Mar Frontier Airlines direct
31 Mar Frontier Airlines direct
30 Mar Frontier Airlines direct
16 Mar Frontier Airlines direct

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

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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