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DCA to Dublin fares show a $370 median across the last 30 days; most fares cluster tightly between $351 and $376.
Written from this route's 30-day price index (29 daily samples). Article last regenerated Nov 7, 2026.
See full numbers and stats on the DCA → DUB price history page.
Fares between Washington Reagan and Dublin have been remarkably consistent over the past month, with a $370 median and a middle-half range of just $351 to $376. That tight interquartile band suggests that on most days, shoppers are seeing prices within about $25 of each other — this isn't a route where timing your search to the hour makes much difference. The $454 high appears to be an outlier rather than the norm, since three-quarters of sampled fares sat at or below $376.
The overall spread of 32% from low to high looks wider than it feels in practice, because the bulk of that spread is driven by a handful of higher fares rather than a steady climb. For travelers watching this route, the data doesn't show a clear softening point within the 30-day window we sampled — prices look more like a stable baseline punctuated by occasional spikes, likely tied to specific high-demand departure dates or last-minute inventory. That makes $370 a reasonable target: fares meaningfully above that are the exception, not the rule, in this sample.
We don't have enough granularity in this dataset to identify day-of-week patterns or a dominant carrier's pricing behavior, so we won't speculate on whether midweek departures or a particular airline are driving the lower fares. The practical takeaway is simpler: if you see something at or below $370 for DCA–Dublin, you're at or better than the middle of the market, and the $343 low suggests there's not much more room to save beyond that. The caveat worth flagging is that this snapshot reflects cached fares from a single recent 30-day window, not a full seasonal cycle — pricing could shift meaningfully as you move into different travel months or booking lead times outside what we sampled here.
Why we regenerated this article: Snapshot depth changed (22 → 29 samples). We only rewrite when the underlying price index actually moves — stable weeks keep the previous take.
AI-authored from this route's 30-day price index. Article last regenerated Nov 7, 2026. Fares shift continuously — confirm at booking.