Cheapest return flights from Shannon to Boston in September from $428

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 September 2024 (see full year).

Return flights

27 Sep - 30 Sep Aer Lingus direct
04 Sep - 11 Sep Aer Lingus direct
20 Sep - 29 Sep Aer Lingus direct
16 Sep - 20 Sep Ryanair
05 Sep - 07 Sep Ryanair
08 Sep - 13 Sep Ryanair
01 Sep - 08 Sep Ryanair
05 Sep - 10 Sep Ryanair
01 Sep - 09 Sep Ryanair
05 Sep - 10 Sep Aer Lingus direct

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

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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