Cheap Flights to Chicago

Compare Chicago flights across hundreds of providers

Find the cheapest month or even day of the year to fly to Chicago

Book the best Chicago fare with no extra fees

Flight deals to Chicago

Looking for a cheap last-minute deal or the best return flight to Chicago? Find the biggest savings on one-way and return tickets right here.

Find the cheapest time to fly to Chicago

Flexible on travel dates? Find the cheapest month – or even day – to fly to Chicago.

Airports in Chicago

Looking for the best route? There are 4 airports in and around Chicago.

Direct flights to Chicago

Frequently asked questions

The average flight time to Chicago is 8 hours and 18 minutes. We've calculated this based on journeys from Dublin.
There are 4 airports in Chicago: Chicago Midway, Chicago O'Hare International, Chicago Dupage County, and Chicago Rockford.
British Airways, Aer Lingus, American Airlines, United, Alaska Airlines, Finnair, Iberia and Air Canada all fly direct to Chicago.
The cheapest month to fly to Chicago is usually November.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Chicago but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
Yes – you can fly direct to Chicago O'Hare International Airport and the average flight time is 8 hours and 30 minutes.
The best price we found for a return flight to Chicago is 339 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
The cheapest airport near Chicago is Chicago O'Hare International – which is 25.4 km away from the centre of Chicago. We've found flights into this airport from 339 €.
After crunching the numbers on our flight calendar, we found that the cheapest date to fly to Chicago is Thursday, 21 November 2024.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Chicago is around 40 days in advance, so don’t leave your flight to the last minute.
The average temperature in Chicago in April is around 8°C. The warmest month in Chicago is typically July, which averages 26°C. The coolest month is January, with temperatures averaging -8°C. The rainiest month is August, and it usually rains the least in January.
Currently, Icelandair and Aer Lingus offer the cheapest flight tickets to Chicago.

Flying to Chicago

The things to know before you go.
Cheapest flight found339 €
Cheapest month to flyNovember
Average flight time8 hrs, 31 mins
Most popular airlineBritish Airways
Average flights per week89

Discover Chicago

How to find cheap flights to Chicago in 2024

Looking for cheap tickets to Chicago? Return tickets to Chicago start from 339 € and one-way flights to Chicago start from 241 €.

Here are a few tips on how to score the best price and make your journey as smooth as possible.

  • Simply hit 'search'. We've compared plane tickets from all major online travel agents and airlines flying to Chicago to find the cheapest flights. And with us there are no hidden fees - what you see is what you pay.
  • Depart from Ireland. Look out for flights from Ireland, this is the cheapest location to depart from when flying to Chicago.
  • Flex your dates to secure the best air ticket price for your Chicago flight. If your travel dates are flexible, use Skyscanner's 'Whole month' tool to find the cheapest time to fly to Chicago.
  • Set up a Price Alert. You can easily track the fare of your flights to Chicago by creating an alert. Whenever prices go down or up, you'll get a push notification or e-mail to help you get the best flight deal.
  • Compare flight deals to Chicago from over 1,000 providers. Then choose the cheapest or fastest plane tickets. Flight tickets to Chicago start from 241 € one-way.
  • Find the cheapest Business class flights to Chicago. We scour the internet for the best Business, Premium Economy and First Class flight fares to Chicago, too. Check the difference in price as you search – you might just chance upon a last-minute low fare.
  • Include nearby airports in your search. Widen your search for Chicago flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure point and your destination and could help you save next time you travel.
  • Look for direct flights. Only interested in direct flights to Chicago? Make sure to tick 'Direct flights only' when performing a search. If there are direct Chicago flights available, these will appear in the results.
  • Search for cheap flights regardless of where you are. To get the best flight booking experience when out and about, download the app and search for plane tickets to Chicago whenever you want.

Compare Chicago plane tickets with other destinations using the everywhere search

Not entirely set on flying to Chicago just yet? You can easily browse other destinations by searching flights to 'Everywhere' - this will allow you to find the cheapest place to travel to.

Combine your flight to Chicago with hotels and car hire

Once you've secured your cheap flight ticket to Chicago, discover the best prices and exclusive rates for hotels in Chicago or nearby. You can also compare hundreds of car hire companies in one go so that you get the best car hire price for your trip.


More travel options

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.