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United flights to Chicago

The best United flight deals to Chicago

Looking for a last minute deal or the best direct flight? Find the biggest savings on one-way and return trips to Chicago with United.
Chicago.505 € per passenger.Departing Mon, 2 Dec, returning Mon, 9 Dec.Return flight with United.Outbound indirect flight with United, departs from Dublin on Mon, 2 Dec, arriving in Chicago O'Hare International.Inbound indirect flight with United, departs from Chicago O'Hare International on Mon, 9 Dec, arriving in Dublin.Price includes taxes and charges.From 505 €, select.
Chicago.505 € per passenger.Departing Wed, 8 Jan, returning Wed, 15 Jan.Return flight with United.Outbound indirect flight with United, departs from Dublin on Wed, 8 Jan, arriving in Chicago O'Hare International.Inbound indirect flight with United, departs from Chicago O'Hare International on Wed, 15 Jan, arriving in Dublin.Price includes taxes and charges.From 505 €, select.
Chicago.505 € per passenger.Departing Fri, 1 Nov, returning Sun, 10 Nov.Return flight with United.Outbound indirect flight with United, departs from Dublin on Fri, 1 Nov, arriving in Chicago O'Hare International.Inbound indirect flight with United, departs from Chicago O'Hare International on Sun, 10 Nov, arriving in Dublin.Price includes taxes and charges.From 505 €, select.
Chicago.505 € per passenger.Departing Thu, 28 Nov, returning Mon, 9 Dec.Return flight with United.Outbound indirect flight with United, departs from Dublin on Thu, 28 Nov, arriving in Chicago O'Hare International.Inbound indirect flight with United, departs from Chicago O'Hare International on Mon, 9 Dec, arriving in Dublin.Price includes taxes and charges.From 505 €, select.
Chicago.506 € per passenger.Departing Mon, 3 Mar, returning Mon, 10 Mar.Return flight with United.Outbound indirect flight with United, departs from Dublin on Mon, 3 Mar, arriving in Chicago O'Hare International.Inbound indirect flight with United, departs from Chicago O'Hare International on Mon, 10 Mar, arriving in Dublin.Price includes taxes and charges.From 506 €, select.
Chicago.506 € per passenger.Departing Sat, 1 Feb, returning Mon, 3 Feb.Return flight with United.Outbound indirect flight with United, departs from Dublin on Sat, 1 Feb, arriving in Chicago O'Hare International.Inbound indirect flight with United, departs from Chicago O'Hare International on Mon, 3 Feb, arriving in Dublin.Price includes taxes and charges.From 506 €, select.
Chicago.506 € per passenger.Departing Fri, 13 Dec, returning Sat, 11 Jan.Return flight with United.Outbound indirect flight with United, departs from Dublin on Fri, 13 Dec, arriving in Chicago O'Hare International.Inbound indirect flight with United, departs from Chicago O'Hare International on Sat, 11 Jan, arriving in Dublin.Price includes taxes and charges.From 506 €, select.
Chicago.506 € per passenger.Departing Wed, 26 Feb, returning Tue, 4 Mar.Return flight with United.Outbound indirect flight with United, departs from Dublin on Wed, 26 Feb, arriving in Chicago O'Hare International.Inbound indirect flight with United, departs from Chicago O'Hare International on Tue, 4 Mar, arriving in Dublin.Price includes taxes and charges.From 506 €, select.

Find the cheapest time to fly to Chicago with United

Flexible on travel dates? Here's when fares are lowest.
May
from 3.384 €
Jun
from 601 €
Jul
from 654 €
Aug
from 654 €
Sep
from 604 €
Oct
from 604 €
Nov
from 505 €
Dec
from 505 €
Jan
from 505 €
Feb
from 506 €
Mar
from 506 €
Apr
from 601 €

Find which Chicago airports United flies to

We were able to find fares for the following Chicago airports. Find the one that works for you.

Flying to Chicago with United

The things to know before you go.
Cheapest flight found505 €
Cheapest month to flyDecember

Flying to Chicago with United: FAQs

The average United flight time from Ireland to Chicago is 8 hours and 21 minutes.
At the moment, Aer Lingus, American Airlines, British Airways, Alaska Airlines and United all fly to Chicago too.
United currently also flies to Chicago O'Hare International, Houston George Bush Intercntl. and New York Newark.
Although it's difficult to get an accurate idea of when United flights to Chicago are cheapest, the lowest fares are currently for departures in December.