Cheapest return flights from Shannon to Boston in July from $578

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 July 2025 (see full year).

Return flights

16 Jul - 25 Jul Aer Lingus direct
10 Jul - 26 Jul Aer Lingus direct
24 Jul - 28 Jul Aer Lingus direct
14 Jul - 22 Jul Aer Lingus direct
08 Jul - 15 Jul Aer Lingus direct
14 Jul - 23 Jul Aer Lingus direct
15 Jul - 20 Jul Aer Lingus direct
29 Jul - 05 Aug Aer Lingus direct
16 Jul - 12 Aug United
17 Jul - 12 Aug United
01 Jul - 06 Jul Delta
22 Jul - 19 Aug Aer Lingus direct
26 Jul - 08 Aug British Airways
13 Jul - 13 Jul Aer Lingus

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

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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