Cheapest return flights from Shannon to Boston in October from $450

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

10 Oct - 17 Oct Aer Lingus direct
01 Oct - 10 Oct Aer Lingus direct
02 Oct - 07 Oct Aer Lingus direct
09 Oct - 13 Oct Aer Lingus direct
10 Oct - 20 Oct Aer Lingus direct
28 Oct - 11 Nov Aer Lingus direct
15 Oct - 22 Oct Aer Lingus direct
16 Oct - 20 Oct Aer Lingus direct
01 Oct - 22 Oct Aer Lingus direct
14 Oct - 21 Oct Aer Lingus direct
29 Oct - 05 Nov Aer Lingus direct
28 Oct - 04 Nov Aer Lingus direct
22 Oct - 29 Oct British Airways

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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