Cheapest return flights from Boston to Shannon in October from 335€

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

Return flights

06 Oct - 15 Oct Aer Lingus direct
08 Oct - 13 Oct Aer Lingus direct
06 Oct - 12 Oct Aer Lingus direct
01 Oct - 05 Oct Iberia
09 Oct - 20 Oct British Airways
07 Oct - 14 Oct Aer Lingus direct
09 Oct - 18 Oct British Airways
09 Oct - 18 Oct Aer Lingus direct

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