Cheapest return flights from Shannon to Boston in July from $638

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

23 Jul - 30 Jul Delta
17 Jul - 23 Jul Air France
17 Jul - 22 Jul Air France
15 Jul - 25 Aug Delta
12 Jul - 26 Jul Aer Lingus direct
02 Jul - 09 Jul Aer Lingus direct
17 Jul - 23 Jul Aer Lingus direct
17 Jul - 22 Jul Aer Lingus direct
12 Jul - 19 Jul Aer Lingus direct
15 Jul - 25 Aug Aer Lingus direct
29 Jul - 05 Aug United
05 Jul - 26 Jul Delta
01 Jul - 04 Jul Ryanair
29 Jul - 05 Aug Aer Lingus direct
28 Jul - 02 Aug Ryanair
26 Jul - 07 Aug Aer Lingus direct
28 Jul - 02 Aug Aer Lingus direct

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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