AirHint found the following cheapest return flights from Paris (CDG) to Boston (BOS) in May 2026 (see full year).

Return flights

01 May - 10 May	Scandinavian Airlines
06 May - 10 May	Scandinavian Airlines
11 May - 18 May	Condor
12 May - 17 May	Scandinavian Airlines
07 May - 11 May	Scandinavian Airlines
13 May - 17 May	Scandinavian Airlines
25 May - 31 May	Condor
26 May - 31 May	Condor
16 May - 21 May	Scandinavian Airlines
07 May - 12 May	Iberia
26 May - 08 Jun	British Airways
19 May - 02 Jun	British Airways
19 May - 02 Jun	Virgin Atlantic	direct

Also check the deals for one-way flights from Paris to Boston in May.

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 Paris to Boston in May from 524€

Return flights