Boston to Shannon Flights on Aer Lingus from $395.20*
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Book Boston to Shannon flight deals*
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Shannon, named after Ireland longest river, is the gateway to the Wild Atlantic Way, one of the most magnificent driving routes in the world. As the home of Irish traditional music and the Cliffs of Moher, Shannon offers visitors a unique cultural experience. Book your flight to Shannon with Aer Lingus and discover its small-town charm and stunning scenery.
Aer Lingus is the flag carrier of Ireland, known for its warm Irish welcome, attentive service and seamless connectivity between Ireland, the UK, Europe and North America, with the added convenience of US Preclearance when flying from Dublin and Shannon.
Take a tour of the Wild Atlantic Way and its hidden gems in 59 seconds
Explore the sights and sounds of the region in our video "59 seconds in Ireland's Wild Atlantic Way".
How long is the flight from Boston to Shannon?
The direct flight from Boston (BOS) to Shannon (SNN) takes around 7 hours. Flight times can vary slightly depending on conditions.
Can I check in online for my Boston to Shannon flight?
Yes, online check-in opens 48 hours before departure. It’s the quickest way to choose your seat, download your boarding pass, and save time at the airport.
What can I expect on board with Aer Lingus?
You can look forward to friendly service, tasty meals from our Bia menu, and a wide choice of in-flight entertainment.
How much luggage can I bring on my flight?
On transatlantic flights you can bring small personal item and a 10kg carry-on bag on board with you. Checked baggage allowance depends on your selected fare type. Read more about transatlantic checked baggage.
Do I need a passport or visa to travel from Boston to Shannon?
Yes, you’ll need a valid passport for international travel. US citizens don’t need a visa for short stays in Ireland, but we always recommend checking the latest requirements before you fly.
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Famous for it's culture, literary connections and it's lively atmosphere, Dublin makes a fantastic city break for anyone looking for something new and exciting.
7 of the best walks in Ireland
For a small island, Ireland isn’t short on walking options. All you need is a sturdy pair of shoes, a rain jacket and of course, some snacks.
Ireland’s hidden gems
Ireland is full of undiscovered beauty, craic, and culture. Here you’ll find some inspiration on how to skip the tourist trail and find something new on your visit.
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Other useful links
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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 | Sep 9 2026 - Sep 14 2026 | From $457.20 Seen: 18 minutes ago |
| Boston (BOS) | Shannon (SNN) | Roundtrip* / Economy | Sep 9 2026 - Sep 18 2026 | From $442.20 Seen: 10 hrs ago |
| Boston (BOS) | Shannon (SNN) | Roundtrip* / Economy | Sep 3 2026 - Sep 8 2026 | From $442.20 Seen: 6 hrs ago |
| Boston (BOS) | Shannon (SNN) | Roundtrip* / Economy | Aug 25 2026 - Sep 1 2026 | From $457.20 Seen: 21 hrs ago |
| Boston (BOS) | Shannon (SNN) | Roundtrip* / Economy | Sep 9 2026 - Sep 16 2026 | From $457.20 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.