Washington → Dublin flights

Target $441 or less on Washington–Dublin flights

Key takeaways

• Median fare is $441, based on 30 daily snapshots of the cheapest cached fares on this route.
• Bottom-quartile shoppers paid $416 or less — a realistic target if you have flexibility and time to monitor prices.
• The absolute low hit $346, but at roughly 22% below median, treat that as a best-case scenario rather than a planning figure.
• The price spread is 46% (from $346 to $505), which is wide enough to make timing matter — checking fares over several weeks is worth the effort.
• Top-quartile fares reached $492–$505, so if you're seeing prices in that range, waiting or adjusting travel dates may pay off.

30-day price trend

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

The full picture

Washington DCA to Dublin is a transatlantic route with a meaningful price range: a $159 gap separates the cheapest snapshot ($346) from the most expensive ($505). A 46% spread is substantial, and it tells you that fare timing genuinely moves the needle on this corridor. The median of $441 is a useful anchor — if you're shopping and see something at or below $416 (the 25th percentile), that's a credibly good deal by the standards of this dataset. Prices at $492 or above put you in the top quartile, and at that level it's worth checking whether a different departure window or a connecting itinerary brings costs down.

On transatlantic routes like DCA–DUB, fares from smaller origin airports often reflect limited nonstop inventory, which can cause prices to move sharply when seats fill. The wide spread here suggests the route oscillates between promotional windows and higher baseline pricing rather than holding a steady level. Practically speaking, that means checking fares repeatedly over a 4–8 week window — rather than booking the first price you see — is likely to capture a lower point in that cycle. If your travel dates are fixed, set a fare alert at or just below $441 and act when it triggers.

The data doesn't reveal a reliable day-of-week booking pattern, and claiming one without that evidence would be misleading. One honest caveat: these 30 snapshots reflect cheapest cached fares at the moment of capture, not guaranteed bookable prices. Fares on thin-inventory routes can change between the time a price is cached and when you complete a purchase. Use $441 as your benchmark, $416 as your target, and $346 as a windfall — not an expectation.

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