AirHint found the following cheapest return flights from Marseille (MRS) to Boston (BOS) in August 2025 (see full year).

Return flights

17 Aug - 03 Sep	Lufthansa
06 Aug - 12 Aug	British Airways
05 Aug - 11 Aug	Ryanair
05 Aug - 10 Aug	Ryanair
06 Aug - 11 Aug	Ryanair
04 Aug - 10 Aug	Ryanair
04 Aug - 09 Aug	Ryanair
03 Aug - 16 Aug	Ryanair
02 Aug - 09 Aug	Ryanair
03 Aug - 09 Aug	Ryanair
02 Aug - 07 Aug	Ryanair

Also check the deals for one-way flights from Marseille to Boston in August.

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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Cheapest return flights from Marseille to Boston in August from 732€

Return flights