Cheapest return flights from Shannon to Boston in May from 470€

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

Return flights

29 May - 05 Jun Delta
28 May - 01 Jun KLM
28 May - 08 Jun KLM
27 May - 01 Jun Air France
30 May - 07 Jun Delta
24 May - 03 Jun Air France
07 May - 11 May British Airways
12 May - 19 May British Airways
21 May - 28 May British Airways
20 May - 03 Jun British Airways
21 May - 30 May Iberia
07 May - 11 May Iberia direct
21 May - 29 May Iberia direct
20 May - 01 Jun Iberia direct
20 May - 03 Jun Iberia direct
27 May - 01 Jun Iberia direct
21 May - 28 May Aer Lingus direct
21 May - 30 May Aer Lingus direct
04 May - 09 May Ryanair
13 May - 15 May Ryanair

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

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