Cheapest return flights from Shannon to Boston in July from $701

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

02 Jul - 09 Jul United
03 Jul - 17 Jul United
17 Jul - 24 Jul Air France
17 Jul - 21 Jul Air France
18 Jul - 21 Jul United
09 Jul - 14 Jul Delta
11 Jul - 18 Jul United
11 Jul - 19 Jul United
11 Jul - 20 Jul United
11 Jul - 21 Jul United
02 Jul - 08 Aug United
31 Jul - 05 Aug Air France
26 Jul - 05 Aug Air France
26 Jul - 05 Aug Aer Lingus direct
20 Jul - 06 Aug United
26 Jul - 15 Aug Air France

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

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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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