Cheapest return flights from Shannon to Boston in October from $488

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

Return flights

08 Oct - 13 Oct Ryanair
13 Oct - 22 Oct Ryanair
07 Oct - 16 Oct Aer Lingus
22 Oct - 26 Oct British Airways
09 Oct - 12 Oct British Airways
22 Oct - 27 Oct British Airways
27 Oct - 03 Nov British Airways
01 Oct - 09 Oct Ryanair
22 Oct - 25 Oct Ryanair
23 Oct - 28 Oct British Airways
31 Oct - 07 Nov British Airways
07 Oct - 16 Oct Aer Lingus direct

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

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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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