$396 Find Cheap Flights from Ireland to Chicago - Compare and Save

A flight to Chicago costs $721 on average. The cheapest price found on KAYAK in the last 2 weeks cost $425 and departed from Dublin. The most popular routes on KAYAK are Dublin to Chicago which costs $878 on average, and Shannon to Chicago, which costs $708 on average.

Based on KAYAK data, the cheapest day to fly to Chicago is Thursday where round-trip tickets can be as cheap as $745. On the other hand, the most expensive day to fly is Monday, where round-trip prices are $959 on average.

The cheapest month for flights to Chicago is November, where tickets cost $541 on average for return flights. On the other hand, the most expensive months are July and August, where the average cost of tickets from Ireland is $836 and $828 respectively. For one-way flights, the best month to travel is February with an average price of $489.

The cheapest time of day to fly to Chicago is generally in the evening, when round-trip flights cost $780 on average. The most expensive time of day to fly to Chicago is generally in the morning, which is peak travel time and where the average cost of a ticket is $815.

If you’re looking for cheap airfare to Chicago, 25% of our users found tickets to Chicago for the following prices or less: From Dublin $679 round-trip.

To get a below average price, you should book around 3 weeks before departure, which saves you about 28% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 16 weeks before departure.

The most popular airline among KAYAK users flying to Chicago is Aer Lingus, followed by United Airlines.

Of the 2 airlines that fly to Chicago, Aer Lingus offers the most flights, with around 14 per week, followed by United Airlines with 7 flights per week.

There are 3 airports in Chicago: Chicago O'Hare Airport (ORD), Chicago Midway Airport (MDW) and Chicago Greater Rockford Airport (RFD). The busiest airport is Chicago O'Hare Airport (ORD), with 94% of all flights arriving there.

The duration of your flight to Chicago depends on your departure and arrival airports. Obviously, any flights that include a layover will also be longer. The most popular routes to Chicago on KAYAK are from Dublin, which takes 8h 30m, Shannon, which takes 13h 30m, Milltown (Kerry), which takes 13h 40m, and Cork, which takes 13h 50m.

There are around 6,351 direct flights from within Ireland to Chicago every day. Most flights depart in the morning, with 50% of flights departing in the morning.

Each week there are around 44,453 direct flights from within Ireland to Chicago. The most common day for departures is Sunday, with 17% of flights taking off on this day.

There are not any medium-haul (3-6 hour flight duration) or short-haul (up to 3 hour flight duration) flights to Chicago. Instead, there are 177 long-haul flights (6-12 hour flight duration), with the most arriving from Dublin.

From Ireland, there are direct flights to Chicago from 1 city. This city is Dublin and there are 177 direct flights each week.