Boston → Dublin flights

Boston–Dublin fares: target $268–$312 and book early

Key takeaways

• Median fare is $290, based on 30 daily snapshots of the cheapest available cached fares on this route.
• The bottom quartile tops out at $268 (p25), meaning roughly one-in-four snapshots showed fares at or below that level — a realistic target for patient shoppers.
• The upper quartile begins at $312 (p75); fares above that threshold should be treated as elevated, not normal.
• A high of $474 was recorded in the sample window — an 86% spread from low to high signals this route has meaningful price volatility, so timing your purchase matters.
• The $255 floor represents the absolute lowest snapshot captured, but fares that low should be treated as opportunistic rather than expected.

30-day price trend

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

The full picture

The Boston–Dublin route shows a wide price range — $255 at the low end, $474 at the high, and an 86% spread between them. That spread is large enough to matter: a traveler who books at the wrong moment could pay nearly twice what a well-timed purchase costs. The good news is that the interquartile range is relatively tight ($268–$312), which means the majority of observations cluster in a $44-wide band. If you can land anywhere in that band, you're doing better than half of all snapshots captured.

On a transatlantic leisure route like Boston–Dublin, fares tend to soften in two windows: well in advance (roughly three to six months out for peak summer travel), and in last-minute fill-up sales that are unpredictable and risky to count on. The data here can't pinpoint exactly when in the booking horizon the low-end fares appeared, but the $255–$268 territory suggests genuine sale pricing does reach this route. Setting a fare alert at or below $280 — slightly above p25 — gives you a credible target without chasing an outlier.

No dominant carrier signal is present in this dataset, so it would be speculative to call out a specific airline. What the data does support is that fares on this corridor are genuinely variable, not structurally fixed. One honest caveat: these figures reflect cached cheapest fares across a 30-day snapshot window, not a full seasonal dataset. Conditions shift with school holidays, transatlantic demand cycles, and capacity changes — so treat the $290 median as a current benchmark, not a permanent norm.

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  30-day daily price snapshots
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