$269 Find Cheap Flights from Chicago O'Hare Airport to Shannon - Compare and Save

When flying from Chicago O'Hare Airport to Shannon, you should consider leaving on a Wednesday and avoid Saturdays if you are looking for the best rates. For your return to Chicago O'Hare Airport, you’ll find the best rates on Fridays and the most expensive ones on Mondays.

The cheapest month for flights from Chicago O'Hare Intl Airport to Shannon is February, where tickets cost $0 (return) on average. On the other hand, the most expensive months are December and June, where the average cost of round-trip tickets is $1,330 and $1,041 respectively.

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 1 stop layover the cheapest option at $892 on average.

To get a below average price on the flight from Chicago O'Hare Intl Airport to Shannon, you should book around 2 weeks before departure, which saves you about 42% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 6 weeks before departure.

In the past 5 days, the cheapest round-trip tickets from Chicago O'Hare Airport to Shannon were found on British Airways ($536) and United Airlines ($758).

There are 2 airlines that fly nonstop from Chicago O'Hare Intl Airport to Shannon. They are Lufthansa and United Airlines. The cheapest airline for this route is United Airlines, with the best round-trip deal found costing $561. On average, the best prices for this route can be found at United Airlines.

Weekly flights between Chicago and Shannon historically see delays in approximately 34% of cases, with the average delay over the past year being 159 minutes.

Typically, flights leaving in the evening tend to face fewer delays, whereas flights at night have historically encountered delays more often.

Statistically, Thursday is the day of the week with the fewest delays on this flight route, while Wednesday has typically experienced more delays than other days.

Based on our data, United Airlines have experienced the fewest delays on this route in the past 12 months, with only about 35% of their flights encountering any delays.

London (LHR) is the top choice – 67% of KAYAK users who clicked on 1-stop flights from Chicago O'Hare Airport to Shannon picked an itinerary connecting there.

Flights via London (LHR) offer the most affordable fares, with an average round-trip price of $761.

Consider flying via Boston (BOS) for the shortest journey. The average one-way travel time for flights connecting there is 9h 28m.

If you prefer a quick connection, Boston (BOS) often has the shortest layovers from Chicago O'Hare Airport to Shannon, with an average of 1h 36m.

There is only one cabin class option available for the route, which is Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

There is a maximum of 1 nonstop flight a day that takes off from Chicago O'Hare Intl Airport and lands in Shannon, with an average flight time of 7h 25m. The most common departure time is 6:00 pm and most flights take off in the evening. Each week, there are 7 flights.