Cheapest return flights from Shannon to Boston in July from $694

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

Return flights

02 Jul - 08 Jul Lufthansa
01 Jul - 06 Jul United
01 Jul - 08 Jul United
20 Jul - 30 Jul United
03 Jul - 08 Jul United
01 Jul - 07 Jul United
03 Jul - 11 Jul United
04 Jul - 13 Jul United
27 Jul - 10 Aug United
03 Jul - 15 Jul United
01 Jul - 15 Jul United
24 Jul - 06 Aug United
24 Jul - 06 Aug Aer Lingus direct
27 Jul - 10 Aug Aer Lingus direct

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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