Cheapest return flights from Boston to Shannon in October from 289€

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

Return flights

29 Oct - 06 Nov Aer Lingus direct
29 Oct - 03 Nov Aer Lingus direct
23 Oct - 01 Nov Aer Lingus direct
26 Oct - 15 Nov Aer Lingus direct
25 Oct - 01 Nov Aer Lingus direct
25 Oct - 15 Nov Aer Lingus direct
23 Oct - 28 Oct Aer Lingus direct
11 Oct - 18 Oct Aer Lingus direct
15 Oct - 30 Oct Aer Lingus direct
08 Oct - 01 Nov Aer Lingus direct
06 Oct - 15 Oct United
07 Oct - 14 Oct United
01 Oct - 15 Oct American Airlines
21 Oct - 24 Oct United
21 Oct - 24 Oct Aer Lingus direct
22 Oct - 25 Oct Aer Lingus direct
09 Oct - 13 Oct Aer Lingus direct

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