Cheapest return flights from Boston to Shannon in June from 690€

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

Return flights

08 Jun - 17 Jun Aer Lingus direct
11 Jun - 15 Jun Aer Lingus direct
05 Jun - 11 Jun Delta
11 Jun - 26 Jun Aer Lingus direct
19 Jun - 28 Jun KLM
03 Jun - 21 Jun KLM
19 Jun - 22 Jun KLM
09 Jun - 16 Jul KLM
23 Jun - 03 Jul KLM
19 Jun - 27 Jun KLM
30 Jun - 14 Jul KLM
25 Jun - 06 Jul Delta
21 Jun - 31 Jul KLM
23 Jun - 03 Jul Aer Lingus direct
30 Jun - 14 Jul Aer Lingus direct
09 Jun - 16 Jul Aer Lingus direct
18 Jun - 27 Jun Delta
18 Jun - 23 Jun Delta
20 Jun - 06 Jul Delta
20 Jun - 02 Jul Delta

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

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