Cheapest one-way flights from Shannon to Boston in October from $430

AirHint found the following cheapest one-way flights from Shannon (SNN) to Boston (BOS) in October 2025 (see full year).

One-Way flights

31 Oct Aer Lingus
31 Oct Aer Lingus direct
22 Oct Ryanair
21 Oct Ryanair
21 Oct Aer Lingus direct
22 Oct Aer Lingus direct

Also check the deals for return 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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