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

Return flights

05 May - 15 May	Icelandair
06 May - 14 May	Icelandair
08 May - 10 May	Icelandair
07 May - 11 May	Icelandair
08 May - 15 May	Icelandair
03 May - 10 May	Icelandair
07 May - 13 May	Icelandair
01 May - 10 May	Aer Lingus
03 May - 13 May	Icelandair
01 May - 04 May	Icelandair
17 May - 06 Jun	Icelandair
24 May - 04 Jun	Icelandair
23 May - 01 Jun	Icelandair
30 May - 07 Jun	Icelandair
21 May - 07 Jun	Icelandair
24 May - 06 Jun	Icelandair
28 May - 04 Jun	Icelandair
26 May - 09 Jun	Icelandair
26 May - 03 Jun	Icelandair
26 May - 08 Jun	Icelandair

Also check the deals for one-way flights from Boston to Paris 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 Boston to Paris in May from 335€

Return flights