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About Flights to Chicago

Summary info about Chicago flight prices, duration and airlines

Best One-Way Price


Best Return Price


Fastest flight time

8h 07m

Operated By

8 airlines
The best one-way flight price to Chicago from Ireland in the last 72 hours is €285 (Dublin to Chicago O'Hare Intl).
The best return flight price to Chicago from Ireland in the last 72 hours is €324 (Dublin to Chicago O'Hare Intl).
The fastest flight to Chicago from Ireland takes 8h 07m (Dublin to Chicago O'Hare Intl).
There are 8 airlines operating flights to Chicago, including American Airlines, British Airways and Lufthansa.

Chicago flights insights and trends

Explore insights for your Chicago flight to craft the best travel plan

What is the cheapest month to fly to Chicago?

The cheapest month to fly to Chicago from Ireland is in October. Flight prices, which tend to average around €398, are often lower during this time because this is during the off-season. If you don’t want to visit Chicago in October, then you should wait until January to fly from Ireland, when ticket prices are also cheap, with an average price of €414.

What is the absolute cheapest flight to Chicago?

In the past two weeks, users have booked deals to Chicago for €54/person, which is 95% cheaper than the average flight to Chicago. To find the cheapest price to Chicago from your area, use momondo’s Airport-to-Airport Pricing Tool.
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What is the cheapest day to depart on your flight to Chicago?

On average, the least expensive day to fly to Chicago from Ireland is on a Friday. momondo users have found tickets for Friday departures for as low as €529. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Thursday as prices are generally higher than usual. According to our data, the average ticket price to Chicago on Thursday is €665.

What is the cheapest time of day to depart on your flight to Chicago?

In the evening is the cheapest time of day to fly from Ireland to Chicago when you can find flight prices for as low as €490. Flying to Chicago in the evening is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying at midday when prices are €618 on average. Flights to Chicago from Ireland at midday are generally more expensive because this time of day is more convenient for travellers’ schedules.

How long does it take to fly to Chicago?

If you’re flying from a popular airport in Ireland, such as Dublin or Shannon, and flying into the most popular airport in Chicago (Chicago O'Hare Intl), then you can expect flight times to average 8h 07m and 24h 10m, respectively.

How far in advance should I book a flight to Chicago?

We recommend purchasing flights from Ireland to Chicago 60 days ahead of your departure date because this is when momondo users tend to see the best flight rates. On average, our users have found flights to Chicago for €531.

Cheapest flights to Chicago airports

Find the cheapest flights to these Chicago airports from your nearest city or airport
Chicago O'Hare Intl Airport


Dublin (DUB) to Chicago (CHI)

Typically, flights to Chicago from Dublin are cheaper when flying from Dublin to Chicago, which has an average price of €531

CHEAPEST MONTH TO FLY TO CHICAGO FROM DUBLINOctober25% cheaperFlying from Dublin to Chicago costs on average just €398 in October
MOST EXPENSIVE MONTH TO FLY TO CHICAGO FROM DUBLINJuly49% more expensiveIt costs about €790 for flights to Chicago from Dublin in July
MOST POPULAR MONTH TO FLY TO CHICAGO FROM DUBLINJuly321% more users visitedMore momondo users searched in flights to Chicago from Dublin in July than any other month

Frequently asked questions about flying to Chicago

If you’re looking to do your hiking in warmer conditions, consider planning your flight to Chicago for September and October. Parks like Millennium Park are popular hot spots in those months.

The city of Chicago has many sights to see while visiting. Many tourists find it ideal to go sightseeing when the weather is warmer, but not blistering. Consider booking your flight to Chicago for May or June, when temperatures are a bit higher and the chance of rain is relatively low. Many travellers find it worthwhile to visit Magnificent Mile, Wrigley Field, and Millennium Park.

Finding an alternative and possibly cheaper destination airport near Chicago is possible. If you are planning a flight to Chicago, consider booking flights to Chicago O'Hare Intl Airport (26 km from Chicago city centre) or Chicago Greater Rockford Airport (126 km from Chicago city centre).

With an average price of €1,048 per person, Chicago Midway Airport is the cheapest airport to fly into when planning your trip to Chicago. This price can fluctuate based on where you are flying from. momondo’s Airport-to-Airport Pricing Tool can help users find the best prices.

Yes, you can get a flight ticket to Chicago Midway if you want to reach Lake View. It is the nearest Chicago airport (18.8 km away).

The closest airport to Loews Chicago Hotel is 15.5 km away - Chicago’s Chicago Midway airport.

Chicago flight deals found on momondo

Check out some of the best fares from airports in Ireland to Chicago found recently by users on momondo

Other cabin classes for Chicago flights

Explore alternative premium cabin options for your flight to Chicago

Which airlines fly to Chicago?

Here you can see a selection of the most popular and cheapest airlines for flights to Chicago

Which airlines fly to Chicago?

Based on our data, the most popular airlines that fly to Chicago from Ireland are Aer Lingus, American Airlines, British Airways and United Airlines. There may also be other airline options depending on where in Ireland you’re flying from.

Finnair Flights to Chicago

The most popular airline for flights to Chicago on momondo is Finnair, which operates 38 flights in this direction every week. Most depart out of London Heathrow, with the best deal for Finnair flights to Chicago being €436 (return, Dublin to Chicago, momondo searches within the last 72 hours). In 232 Finnair reviews, it is rated 7.7 by momondo users.

Air France Flights to Chicago

Air France flies to Chicago 37 times per week usually, making it a popular airline to fly with, particularly when heading to Chicago from Atlanta Hartsfield-Jackson. Air France (rating: 7.6, 248 reviews) varies in price depending on when and where you want to fly to Chicago from. The best Air France ticket price found on momondo to Chicago was from Shannon (€674 return).

Airports near Chicago

Below you will find all the airports in Chicago along with their distance from the city centre

Popular routes to Chicago

Most frequently searched flights to Chicago along with the cheapest price and shortest flight duration
Dublin to Chicago Flights
Fastest flight time8h 07m
Cheapest price€324
New York to Chicago Flights
Fastest flight time2h 34m
Cheapest price€245
Shannon to Chicago Flights
Fastest flight time24h 10m
Cheapest price€491
London to Chicago Flights
Fastest flight time8h 40m
Cheapest price€747
Cork to Chicago Flights
Fastest flight time20h 00m
Cheapest price€473
Milltown (Kerry) to Chicago Flights
Fastest flight time14h 10m
Cheapest price€861

Start planning your trip to Chicago

Why use momondo?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights to Chicago. Millions of users trust and use momondo every year so you are in good company.

Yes. All flights to Chicago on momondo can be compared and filtered by various policies on offer, including flexible booking.

Once you have performed a search for flights to Chicago, momondo helps you find the right flight by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

Yes momondo offers price alerts on flights to Chicago. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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