Cheapest return flights from Shannon to Boston in March from $455

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

Return flights

12 Mar - 19 Mar Aer Lingus
17 Mar - 22 Mar Aer Lingus
12 Mar - 16 Mar Aer Lingus
12 Mar - 22 Mar Aer Lingus
12 Mar - 21 Mar Aer Lingus
31 Mar - 05 Apr Aer Lingus
30 Mar - 05 Apr Aer Lingus
25 Mar - 04 Apr Aer Lingus
11 Mar - 15 Mar British Airways
08 Mar - 17 Mar British Airways
05 Mar - 09 Mar British Airways
07 Mar - 09 Mar Aer Lingus direct
08 Mar - 17 Mar Aer Lingus direct
30 Mar - 05 Apr Aer Lingus direct
31 Mar - 05 Apr Aer Lingus direct
25 Mar - 04 Apr Aer Lingus direct
03 Mar - 15 Apr British Airways
03 Mar - 14 Apr British Airways
03 Mar - 14 Apr Aer Lingus direct
04 Mar - 04 Apr Aer Lingus direct

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

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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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