O'Hare International (ORD) to Dublin (DUB). Served by Aer Lingus, American, United.
| Departure | Return | Price |
|---|---|---|
| 07/06/2026 | 07/14/2026 | $708 |
| 07/06/2026 | 07/15/2026 | $708 |
| 07/08/2026 | 07/14/2026 | $708 |
| 07/08/2026 | 07/15/2026 | $708 |
| 07/08/2026 | 07/16/2026 | $708 |
| 07/09/2026 | 07/14/2026 | $708 |
| 07/09/2026 | 07/15/2026 | $708 |
| 07/09/2026 | 07/16/2026 | $708 |
| 07/10/2026 | 07/15/2026 | $708 |
| 07/10/2026 | 07/16/2026 | $708 |
Based on current fares, July is the cheapest month to fly from Chicago to Dublin, with average fares around $803 round trip (as low as $708).
See the full month-by-month and day-of-week price analysis
Best Time to Fly ORD → DUBDeparture date prices (economy, round trip). Green = cheap, red = expensive.
The cheapest month to fly from Chicago to Dublin is July, with average round-trip fares around $803. Fares in July start as low as $708. The most expensive month is June, averaging $929.
A nonstop flight from Chicago to Dublin takes approximately 7h 30m.
Aer Lingus, American, and United fly from ORD to DUB. That's 3 airlines serving this route.
The cheapest flight from Chicago to Dublin currently starts at $708 round trip in economy class.
The average round-trip flight price from Chicago to Dublin is $938 in economy class.
The distance is 3666 miles (5899 km). with a nonstop flight time of about 7h 30m. Airlines on this route include Aer Lingus, American, United. The lowest fare currently available is $708 departing in July. The average round-trip fare is $938.
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