Cheapest return BOS–SNN flights, July

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

Return flights

22 Jul - 27 Jul KLM
28 Jul - 11 Aug KLM
27 Jul - 13 Aug KLM
14 Jul - 21 Jul United
12 Jul - 18 Jul KLM
27 Jul - 13 Aug Aer Lingus direct
05 Jul - 10 Jul KLM
11 Jul - 16 Jul Delta
05 Jul - 10 Jul Aer Lingus direct
14 Jul - 21 Jul Aer Lingus direct

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

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