Cheap flights from Chicago O'Hare Intl Airport to Shannon from $300

In general, February is the cheapest month to fly from Chicago O'Hare Intl Airport to Shannon, Clare. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you are unable to visit Shannon, Clare during the month of February, then departing from Chicago O'Hare Intl Airport during the month April is also very affordable. Most momondo users find prices during this month for around $584.

The cheapest day to depart from Chicago O'Hare Intl Airport to Shannon, Clare is on a Wednesday when prices can be found for as low as $793. The most expensive day to fly to Shannon, Clare is Saturday, with ticket prices averaging around $1,030.

Fly from Chicago O'Hare Intl to Shannon for the best Chicago O'Hare Intl - Shannon flight prices

You are more likely to see cheaper flights to Shannon, Clare from Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Shannon, Clare for around $817 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Shannon, Clare from Chicago O'Hare Intl Airport for as low as $683 on momondo.

There is only 1 cabin class available to choose from on Chicago O'Hare Intl Airport to Shannon, Clare flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 20% on your flight if you consider stops on a Chicago O'Hare Intl Airport to Shannon, Clare flight.

Aer Lingus is the most popular carrier operating from Chicago O'Hare Intl to Shannon

United Airlines, American Airlines and Lufthansa are the top three most popular airlines that fly to Shannon, Clare from Chicago O'Hare Intl Airport according to our data. United Airlines is the first choice among our users, with 70% of people opting to fly with this airline when traveling to Shannon, Clare. Keep in mind that there are 3 different airlines that fly to Shannon, Clare on a routine basis, so you have a few additional options to choose from.

Historically, on average around 35% of flights between Chicago and Shannon have experienced a delay on any given week. The average delay length over the past 12 months has been 170 minutes.

Generally, flights departing in the evening tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

Monday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, United Airlines have had the least number of delays on this route over the last 12 months; with about 35% of their flights experiencing any sort of delay.

Newark (EWR) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

Flights via Newark (EWR) offer the lowest average round-trip price of $584.

Flights connecting via London (LHR) have the shortest average one-way travel time: 11h 00m.

London (LHR) has the shortest average layover time for this route: 1h 45m.

As of September 2026, 3 flights take off from Chicago O'Hare Intl Airport and land in Shannon, Clare each day. The most common flight departure time for this route is 6:00PM, with 100% of daily flights taking off in the evening.

21 flights are operational weekly from Chicago O'Hare Intl Airport to Shannon, Clare as of September 2026. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.