Chicago → Dublin flights

Target $336–$361 for Chicago–Dublin — median sits at $352

Key takeaways

• Median fare is $352 across 30 daily snapshots — a reliable benchmark for this route.
• The interquartile range is tight: $336–$361, meaning most competitive fares cluster within a $25 band.
• The floor hit $281 in this window — roughly 20% below median — worth chasing if you have flexibility.
• The ceiling reached $549, a 56% premium over median; avoid booking during price spikes without checking alternatives.
• A 95% spread between low and high signals meaningful volatility — monitoring fares over several days is worthwhile before committing.

30-day price trend

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

The full picture

The Chicago O'Hare–Dublin route shows a median fare of $352 across 30 days of cached pricing data, with the middle 50% of observations landing between $336 and $361. That $25 interquartile range is notably narrow, suggesting that for much of the booking window this route sits in a stable, reasonably competitive band. In practical terms, if you find a fare at or below $361, you are already in the bottom half of what the market has offered — no need to hold out indefinitely hoping for a dramatic drop.

That said, the full spread tells a more volatile story. The low of $281 and the high of $549 represent a 95% spread, meaning fares can swing sharply depending on how far out you are booking, seasonal demand signals, or short-lived promotional windows. The $281 floor is real but opportunistic — likely a brief promotional or seat-sale fare rather than a repeatable baseline. Shoppers who check fares across several consecutive days, rather than booking on impulse from a single search, are better positioned to catch a dip toward the lower quartile without gambling on a sub-$300 outlier materializing on demand.

No dominant carrier signal is visible in this dataset, so routing and alliance preferences should factor into your choice rather than assuming one airline systematically undercuts the others on this transatlantic corridor. The honest caveat here: 30 snapshots capture a single rolling window and may not reflect seasonal peaks — holiday travel periods around Christmas, spring break, and peak summer can push fares well above this dataset's $549 high. Use the $336–$361 band as your value anchor for off-peak or shoulder-season travel, and treat anything approaching $281 as a strong buy signal worth acting on quickly.

Ready to look at fares?

• When to book
  Chicago → Dublin
  AI-authored booking-window guide
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• Price history
  Chicago → Dublin
  30-day daily price snapshots
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