Cheapest return flights from Shannon to Boston in January from 400€

AirHint found the following cheapest return flights from Shannon (SNN) to Boston (BOS) in January 2026 (see full year).

Return flights

08 Jan - 15 Jan Aer Lingus direct
07 Jan - 14 Jan Aer Lingus direct
30 Jan - 02 Feb Aer Lingus direct
09 Jan - 16 Jan Aer Lingus direct
14 Jan - 19 Jan Aer Lingus direct
22 Jan - 26 Jan Aer Lingus direct
15 Jan - 18 Jan Aer Lingus direct
13 Jan - 18 Jan Aer Lingus direct
17 Jan - 24 Jan Aer Lingus direct
31 Jan - 07 Feb Aer Lingus direct
23 Jan - 01 Feb Aer Lingus direct
22 Jan - 01 Feb Aer Lingus direct
19 Jan - 24 Jan Aer Lingus direct
04 Jan - 09 Jan Ryanair

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

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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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