Cheapest return flights from Boston to Shannon in November from $336

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

Return flights

18 Nov - 27 Nov Aer Lingus direct
25 Nov - 02 Dec Aer Lingus direct
15 Nov - 24 Nov American Airlines
03 Nov - 13 Nov American Airlines
06 Nov - 13 Nov American Airlines
07 Nov - 14 Nov American Airlines
30 Nov - 07 Dec American Airlines
15 Nov - 24 Nov Aer Lingus direct
07 Nov - 14 Nov Aer Lingus direct
03 Nov - 01 Dec American Airlines
30 Nov - 07 Dec Aer Lingus direct
06 Nov - 13 Nov Aer Lingus direct
03 Nov - 13 Nov Aer Lingus direct
23 Nov - 30 Nov Aer Lingus direct
03 Nov - 01 Dec Aer Lingus direct

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

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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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