$194 Find Cheap Flights from Illinois to Ireland

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Useful Info

Good to know

Low seasonJanuary
Cheapest flight$194
Best time to beat the crowds with an average 16% drop in price.
Most popular time to fly with an average 14% increase in price.
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 travelers 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 round-trip 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?

    Illinois and Ireland are connected by different airlines. The airlines that fly that route the most regularly are Aer Lingus (27 flights per week), American Airlines (21 flights per week), and British Airways (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.

  • Which is the cheapest airport to fly into in Ireland?

    Prices will differ depending on the departure airport, but generally, the cheapest airport to fly to in Ireland is Shannon Airport (SNN), with an average flight price of $489.

  • What is the cheapest day to fly to Ireland?

    Based on KAYAK data, the cheapest day to fly to Ireland is Monday where round-trip tickets can be as cheap as $749. On the other hand, the most expensive day to fly is Friday, where round-trip prices are $822 on average.

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

    The cheapest time of day to fly to Ireland is generally in the morning, when round-trip flights cost $714 on average. Morning departures are around 9% cheaper than evening flights, on average. The most expensive time of day to fly to Ireland is generally in the evening, which is peak travel time and where the average cost of a ticket is $786.

  • What is the cheapest flight to Ireland?

    The cheapest ticket to Ireland from Illinois found in the last 72 hours was to Dublin, at $497 round-trip. The most popular route is Chicago O'Hare Intl Airport (ORD) to Dublin (DUB) and the cheapest round-trip airline ticket found on this route in the last 72 hours was $497.

  • 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 $523 (return) on average. On the other hand, the most expensive months are June and July, when the average cost of round-trip tickets is $918 and $807 respectively.

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

    To get a below average price on the flight from Illinois to Ireland, you should book around 4 weeks before departure, which saves you about 23% 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 1 city. This city is Chicago and there are 139 direct flights each week.

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

    There are around 20 direct flights from within Illinois to Ireland every day. Most flights (53%) depart in the evening.

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

    Each week there are around 139 direct flights from within Illinois to Ireland. The most common day for departures is Friday, with 15% of flights taking off on this day.

  • How long is the flight to Ireland?

    An average nonstop flight from Illinois to Ireland takes 14h 18m, covering a distance of 3720 miles. 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 are not any medium-haul (3-6 hour flight duration) or short-haul (up to 3 hour flight duration) flights to Ireland. Instead, there are 139 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 (96% of total searches to Ireland). The next most popular destinations are Shannon (2%) and Cork (1%). 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 Irelandfrom $4,345
Business Class flights to Irelandfrom $2,206
Prem Econ Class flights to Irelandfrom $1,743
Economy Class flights to Irelandfrom $497

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