Cheapest return flights from Shannon to Boston in July from 617€

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

Return flights

10 Jul - 24 Jul Lufthansa
22 Jul - 29 Jul Lufthansa
04 Jul - 13 Jul United
13 Jul - 27 Jul United
27 Jul - 10 Aug United
12 Jul - 27 Jul Aer Lingus
01 Jul - 09 Jul Air France
13 Jul - 27 Jul Aer Lingus direct
22 Jul - 29 Jul Aer Lingus direct
04 Jul - 13 Jul Aer Lingus direct
27 Jul - 10 Aug Aer Lingus direct
19 Jul - 24 Jul Ryanair

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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