BOS → DUB · Ireland

Cheap flights from Boston to Dublin

Live fare found Oct 16 from $586. Typical low $390. Compare 100+ booking sites.

Live fare

$586

Oct 16 — Oct 20
1 stop

Updated September 3 at 3:07 AM· via Travelpayouts partner feed

BOS → DUB price trend · last 30 days · ↓ 6%

$205 low$302 high

Best months for the cheapest fares on this route: Jan–Mar.

Aer Lingus runs famously cheap BOS-DUB direct flights.

Book 6–8 weeks ahead for international routes; 3–4 weeks for short-haul.
Fly midweek (Tue/Wed) — weekend departures cost 15–25% more.
Compare across 100+ booking sites. Our partner feed surfaces vendors you’ve never heard of that often beat the majors.
Set a price alert below to be the first to know when the fare drops below $390.

Make it a trip