€184 Find Cheap Flights from Illinois to Ireland

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1 adult, Economy

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Low seasonJanuary
Cheapest flight€184
Best time to beat the crowds (13% less expensive on average)
Most popular time to fly and prices are also 0% lower on average.
Flight from Chicago O'Hare Airport to Dublin

FAQs for booking flights from Illinois to Ireland

  • How does KAYAK find such low prices on flights from Illinois to Ireland?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Ireland.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Ireland?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Illinois to Ireland is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Illinois to Ireland?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly from Illinois to Ireland with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Ireland?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Illinois to Ireland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • Which airlines fly most frequently to Ireland?

    American Airlines connects Illinois to Ireland with 21 flights per week. British Airways also offers 21 flights per week, while Aer Lingus follows with 21 flights per week.

  • How many airports are there in Ireland?

    There are 6 airports in Ireland. The busiest airport is Dublin Airport (DUB), with 85% of all flights arriving there.

  • What is the cheapest day to fly to Ireland?

    Based on KAYAK data, the cheapest day to fly to Ireland is Thursday when return tickets can be as cheap as €602. On the other hand, the most expensive day to fly is Tuesday, when return prices are €750 on average.

  • What is the cheapest time of day to fly to Ireland?

    The cheapest time of day to fly to Ireland is generally at night, when retur flights cost €730 on average. Morning departures are around 100% cheaper than evening flights, on average. The most expensive time of day to fly to Ireland is generally in the afternoon, which is peak travel time and where the average cost of a ticket is €910.

  • What is the cheapest flight to Ireland?

    The cheapest ticket to Ireland from Illinois found in the last 72 hours was to Dublin, at €353 return. The most popular route is Chicago O'Hare Intl Airport (ORD) to Dublin (DUB) and the cheapest return airline ticket found on this route in the last 72 hours was €353.

  • What is the cheapest month to fly from Illinois to Ireland?

    The cheapest month for flights from Illinois to Ireland is January, when tickets cost €458 (return) on average. On the other hand, the most expensive months are June and July, when the average cost of round-trip tickets is €800 and €708 respectively.

  • How far in advance should I book a flight from Illinois to Ireland?

    To get a below-average price on a flight from Illinois to Ireland, you should book around 4 weeks before departure, which saves you about 24% compared to booking last-minute. For the absolute cheapest price, our data suggests you should book 8 weeks before departure.

  • How many cities have direct flights to Ireland?

    From Illinois, there are direct flights to Ireland from one city. This city is Chicago and there are 141 direct flights each week.

  • How many direct flights to Ireland are there each day?

    There are around 21 direct flights from within Illinois to Ireland every day. Most flights (55%) depart in the evening.

  • How many direct flights to Ireland are there each week?

    Each week there are around 141 direct flights from within Illinois to Ireland. The most common day for departures is Monday, with 15% of flights taking off on this day.

  • How long is the flight to Ireland?

    An average direct flight from Illinois to Ireland takes 13h 34m, covering a distance of 9592 km. The shortest route is Chicago O'Hare Intl Airport (ORD) to Dublin (DUB) with an average flight time of 7h 15m.

  • How many long-haul flights are there to Ireland each week?

    There aren’t any medium-haul (3-6 hour flight duration) or short-haul (up to 3 hour flight duration) flights to Ireland. Instead, there are 141 long-haul flights (6-12 hour flight duration), with the most arriving from Chicago.

  • What are the most popular destinations in Ireland?

    Based on KAYAK flight searches, the most popular destination is Dublin (94% of total searches to Ireland). The next most popular destinations are Shannon (4%) and Cork (2%). Searches for flights to Milltown (Kerry) (0%), to Donegal (0%), and to Knock (0%) are also popular.

Everything you need to know for your flight to Ireland

Cabin class types available on flights to Illinois

Cabin classes available on flights to Illinois. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
First Class Flights to Ireland
Business Class Flights to Irelandfrom €3,407
Prem Econ Class Flights to Ireland
Economy class Flights to Irelandfrom €309

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