Cheapest return flights from Shannon to Boston in May from 429€

Best time to book flights for Shannon (SNN) to Boston (BOS) flights at AirHint

AirHint found the following cheapest return flights from Shannon (SNN) to Boston (BOS) in May 2025 (see full year).

Return flights

12 May - 19 May Aer Lingus direct
14 May - 19 May Ryanair
15 May - 19 May Ryanair
06 May - 11 May Aer Lingus direct
13 May - 19 May Aer Lingus direct
18 May - 25 May Ryanair
08 May - 15 May Aer Lingus direct
14 May - 19 May Aer Lingus direct
16 May - 01 Jun Aer Lingus direct
14 May - 18 May Ryanair
01 May - 05 May Ryanair
21 May - 03 Jun Aer Lingus
31 May - 14 Jun Aer Lingus
30 May - 06 Jun Ryanair
28 May - 06 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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