Cheapest return flights from Shannon to Boston in September from 452€

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

Return flights

10 Sep - 17 Sep Air France
10 Sep - 16 Sep Air France
11 Sep - 16 Sep Air France
17 Sep - 21 Sep British Airways
16 Sep - 20 Sep British Airways
10 Sep - 17 Sep Aer Lingus direct
17 Sep - 21 Sep Aer Lingus direct
10 Sep - 16 Sep Aer Lingus direct
11 Sep - 16 Sep Aer Lingus direct
16 Sep - 20 Sep Aer Lingus direct

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

Powered by

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.

Book a cheap hotel in Boston

Cheap car rent in Boston

Feel free to contact us with any feedback or request another flight research.