Boston → Dublin flights

Boston–Dublin fares cluster near $280 — act when you see $256 or less

Key takeaways

• Median fare is $280 across 30 daily snapshots — a remarkably competitive transatlantic price point.
• Bottom 25% of fares fall at $256 or below — that's your target threshold; anything at or under that level is a genuinely good deal by recent standards.
• The low observed was $205, showing deep discounts do surface, but the top quartile compresses quickly to $282 — don't wait long hoping for a dramatic drop.
• Spread of 47% between low ($205) and high ($302) is meaningful, suggesting real savings are possible for flexible travelers who monitor fares actively.
• The $256–$282 interquartile range is tight — roughly $26 wide — meaning most days the fare sits close to the median, and outlier lows require some luck or timing.

30-day price trend

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

The full picture

Boston to Dublin is one of the stronger transatlantic value routes in the North Atlantic market, and the data here backs that up. A median of $280 with a low of $205 means this corridor routinely prices well below what you'd expect for a near-3,500-mile ocean crossing. That said, the interquartile range — $256 to $282 — is notably compressed, spanning only about $26. On most days you're going to see something close to $280, and waiting passively for a dramatically lower fare is unlikely to pay off.

The spread of 47% (from $205 floor to $302 ceiling) tells a more interesting story: fares do move, but the movement is asymmetric. The high end of $302 is only modestly above median, while the low end of $205 is a genuine outlier roughly 27% below it. That pattern suggests occasional promotional or off-peak fares that appear episodically rather than predictably. Practically speaking, if you have flexibility in your travel window — particularly toward shoulder season, typically late October through early November or mid-January through February — you are more likely to encounter those bottom-quartile fares under $256. The data doesn't let us pinpoint a specific booking lead time with precision, but transatlantic routes of this nature generally reward booking 6–12 weeks in advance for off-peak travel.

No dominant carrier was identifiable from this dataset, so route-specific airline strategy is difficult to apply here. What the data does support clearly is a simple rule: set a fare alert at $256 and book confidently if the price hits that level or below. Fares above $282 are in the top quartile and worth waiting out if your dates are flexible. One honest caveat: 30 snapshots capture roughly one month of fare conditions, and seasonal shifts — particularly summer peak demand — can push this route well above the ranges shown here.

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