Boston to Shannon Flights on Aer Lingus from $341.27*
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Book Boston to Shannon flight deals*
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Book Boston to Shannon flight deals*
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From | To | Fare Type | Dates | Price |
|---|---|---|---|---|
| Boston (BOS) | Shannon (SNN) | Roundtrip* / Economy | Feb 11 2026 - Feb 24 2026 | From $341.27 Seen: 1 hour ago |
| Boston (BOS) | Shannon (SNN) | Roundtrip* / Economy | Feb 9 2026 - Feb 18 2026 | From $483.77 Seen: 18 hrs ago |
| Boston (BOS) | Shannon (SNN) | Roundtrip* / Economy | Mar 12 2026 - Mar 18 2026 | From $626.27 Seen: 21 hrs ago |
| Boston (BOS) | Shannon (SNN) | Roundtrip* / Economy | Apr 10 2026 - Apr 15 2026 | From $626.27 Seen: 46 minutes ago |
| Boston (BOS) | Shannon (SNN) | Roundtrip* / Economy | Apr 25 2026 - May 1 2026 | From $643.27 Seen: 10 hrs ago |
* Fares displayed include air transportation charges, taxes and fees. Fares displayed have been collected within the last 24 hours and may no longer be available at time of booking. Fares are economy class and may include connections with our partner airlines. Modifying this information may result in a different fare. Additional baggage fees and charges for optional products and services may apply.