AirHint found the following cheapest one-way flights from Boston (BOS) to Shannon (SNN) in July 2026 (see full year).
One-Way flights
| 18 Jul | SWISS | ||
| 24 Jul | United | ||
| 19 Jul | Icelandair | ||
| 13 Jul | United | ||
| 14 Jul | United | ||
| 02 Jul | Porter Airlines (Canada) Ltd | ||
| 01 Jul | Iberia | ||
| 14 Jul | Aer Lingus | direct | |
| 24 Jul | Aer Lingus | direct | |
| 18 Jul | Aer Lingus | direct |
Also check the deals for return flights from Boston to Shannon in July.
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