Cheapest return flights from Shannon to Boston in April from $528

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

Return flights

07 Apr - 21 Apr Ryanair
14 Apr - 21 Apr Ryanair
13 Apr - 22 Apr Ryanair
16 Apr - 23 Apr Ryanair
18 Apr - 21 Apr Ryanair
26 Apr - 03 May Ryanair
20 Apr - 27 Apr Aer Lingus
15 Apr - 23 Apr Aer Lingus
02 Apr - 06 Apr Aer Lingus
15 Apr - 06 May Aer Lingus
07 Apr - 12 Apr British Airways
06 Apr - 12 Apr United
26 Apr - 03 May Aer Lingus direct

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

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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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