Cheapest return flights from Shannon to Boston in August from 670€

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

Return flights

07 Aug - 10 Aug United
10 Aug - 17 Aug Aer Lingus direct
07 Aug - 10 Aug Aer Lingus direct
03 Aug - 20 Aug United
03 Aug - 22 Aug Aer Lingus
13 Aug - 23 Aug Aer Lingus
15 Aug - 29 Aug Aer Lingus

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

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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