Cheapest return flights from Shannon to Boston in May from 452€

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

Return flights

28 May - 08 Jun KLM
24 May - 01 Jun Air France
21 May - 25 May British Airways
06 May - 10 May British Airways
17 May - 28 May British Airways
21 May - 25 May Aer Lingus direct
06 May - 10 May Aer Lingus direct
17 May - 28 May Aer Lingus direct
28 May - 08 Jun Aer Lingus direct
24 May - 01 Jun Aer Lingus direct

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

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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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