Cheapest return flights from Shannon to Boston in March from $456

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

Return flights

05 Mar - 09 Mar Ryanair
01 Mar - 10 Mar Ryanair
02 Mar - 09 Mar Ryanair
09 Mar - 19 Mar Aer Lingus
12 Mar - 16 Mar Aer Lingus
04 Mar - 08 Mar British Airways
08 Mar - 15 Mar British Airways
05 Mar - 11 Mar British Airways
12 Mar - 15 Mar British Airways
05 Mar - 08 Mar British Airways
30 Mar - 08 Apr British Airways
30 Mar - 07 Apr British Airways
24 Mar - 01 Apr British Airways
26 Mar - 04 Apr Aer Lingus direct
27 Mar - 05 Apr Aer Lingus direct
27 Mar - 04 Apr Aer Lingus direct
25 Mar - 04 Apr Aer Lingus direct
23 Mar - 01 Apr British Airways
31 Mar - 09 Apr Ryanair
24 Mar - 02 Apr British Airways

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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