Flights from Boston to Dublin
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From $492 · Prices update daily
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The quick answer
Compare Boston to Dublin flights across 800+ airlines for the lowest fare. Cheapest month: December; peak: October (about +32%). Visa-free for US passport holders (Ireland).
Price calendar — next 60 days
★ Cheapest: $492 on Tue, Dec 8 · FI
Recently observed fares · Final price confirmed at booking
Price calendar — Boston to Dublin
Month-by-month lowest fares. Green = cheapest dates.
Airlines flying Boston to Dublin
Aer LingusApproximate: $400–$800 economy
Direct · 6h 15m eastbound / 7h 30m westbound
Delta Air LinesApproximate: $480–$900 economy
Direct · 6h 30m–7h 45m
IcelandairApproximate: $350–$700
Direct · 11h–14h total
Flying to Dublin? Compare from other US cities
Sometimes a nearby airport is cheaper. See Dublin fares from other departure cities.
Ireland essentials
🟢 Visa-free for US passport holders · up to 90 days
Ireland is not in the Schengen Area; separate 90-day visa-free entry.
Full Dublin visa guide →🆘 Emergency
112 / 999
💱 Currency
Euro (€)
🕐 Time zone
UTC+0
🗣️ Language
English, Irish
🔌 Plugs
Type G · 230V
🚗 Driving
Left side
💡 Tipping
10–15%
📞 Dial code
+353
Entry rules can change — always confirm with official sources before booking.
Stay connected in Dublin
Skip roaming fees — get a local eSIM before you land. Works in 200+ countries and activates instantly, so you’re online the moment you touch down.
Travel insurance
Protect your Boston to Dublin trip against delays, cancellations, and medical emergencies. US travelers can compare plans from top insurers.
Airport transfer in Dublin
Pre-book your ride into Dublin. Fixed price, meet & greet, and a driver waiting at arrivals — no meter anxiety after a long flight.
Flight delayed or cancelled?
If your Boston to Dublin flight was delayed more than 3 hours or cancelled, you may be entitled to up to €600 in compensation under EU/UK rules — even if you flew a non-EU airline. Free to check, no win no fee.
More resources
Boston to Dublin — frequently asked
How much is a flight from Boston to Dublin?+
Fares start around $492 round-trip, ranging up to about $650 in peak periods. Prices update daily across 800+ airlines.
What is the cheapest month to fly Boston to Dublin?+
December typically has the lowest fares, while October is the most expensive (around +32%).
Do US citizens need a visa for Ireland?+
Visa-free for US passport holders for stays up to 90 days. Ireland is not in the Schengen Area; separate 90-day visa-free entry.
What currency is used in Ireland?+
The Euro (EUR, €). The emergency number is 112 / 999.
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