Boston → Dublin flights

BOS–DUB: Target $255–$290 and book well ahead

Key takeaways

• Median fare is $290 across 30 daily snapshots of the cheapest available fares on this route.
• Bottom 25% of fares cluster at $255 or below — a realistic target if you have flexibility and lead time.
• The top 25% of fares reach $312 or higher, and the single highest observation hit $474 — a 90% spread from low to high.
• A 90% spread between the $250 floor and $474 ceiling is wide, signaling that timing and booking horizon matter significantly on this route.
• $250–$255 represents the floor seen in this sample; fares that low are achievable but not guaranteed — treat $290 as a reliable benchmark.

30-day price trend

See full numbers and stats on the BOS → DUB price history page.

The full picture

Boston to Dublin is a transatlantic route with real price volatility. Across 30 daily fare snapshots, the cheapest available tickets ranged from $250 at the low end to $474 at the high — a 90% spread that is meaningfully wide. That kind of range tells you this isn't a route where prices sit flat; there are genuine windows of softness worth chasing. The interquartile range of $255–$312 is your practical target zone: fares in that band appear with enough regularity that a patient, early-planning traveler can reasonably expect to land there.

On transatlantic routes generally, fares tend to firm up as departure dates approach and cabin inventory tightens, particularly in peak travel periods. The $474 high in this dataset is a credible proxy for what last-minute or peak-season booking looks like. To stay in the bottom quartile — at or below $255 — you'll likely need meaningful lead time, typically several weeks to a few months out depending on the travel season. The $290 median is a sensible anchor: if you see fares at or below that level, the data suggests you're doing better than half the observed price points.

No dominant carrier signal was present in the data provided, so route-level carrier recommendations aren't supportable here. What the numbers do support is a straightforward strategy: set a fare alert targeting $270–$290, treat anything at $255 or below as a strong buy, and avoid assuming prices will drop further once you're inside a few weeks of departure. One honest caveat: 30 snapshots capture cheapest cached fares at a point in time — they reflect availability as it was observed, not a guaranteed repeatable pattern. Prices on any given search will depend on your specific travel dates, how far out you're booking, and real-time inventory.

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