Cheapest return flights from Shannon to Boston in October from $506

Best time to book flights for Shannon (SNN) to Boston (BOS) flights at AirHint

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

Return flights

09 Oct - 14 Oct Ryanair
25 Oct - 01 Nov Aer Lingus direct
09 Oct - 13 Oct Ryanair
23 Oct - 06 Nov Aer Lingus direct
07 Oct - 22 Oct United
07 Oct - 22 Oct Aer Lingus direct
04 Oct - 11 Oct Aer Lingus
09 Oct - 14 Oct Aer Lingus direct
09 Oct - 13 Oct Aer Lingus direct
04 Oct - 11 Oct Aer Lingus direct

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

Skyscanner

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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