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

Return flights

07 May - 11 May	TAP
07 May - 13 May	TAP
06 May - 13 May	Transavia France
05 May - 25 May	TAP
09 May - 16 May	TAP
01 May - 05 May	Transavia France
19 May - 09 Jun	Vueling Airlines
13 May - 20 May	Vueling Airlines
15 May - 23 May	easyJet
11 May - 23 May	Transavia France
01 May - 14 May	Transavia France
05 May - 02 Jun	TAP
27 May - 03 Jun	TAP
25 May - 04 Jun	TAP

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 423€

Return flights