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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.£470 per passenger.Departing Wed, 18 Sep, returning Wed, 9 Oct.Return flight with United.Outbound indirect flight with United, departs from London Heathrow on Wed, 18 Sep, arriving in Chicago O'Hare International.Inbound indirect flight with United, departs from Chicago O'Hare International on Wed, 9 Oct, arriving in London Heathrow.Price includes taxes and charges.From £470, select.
Chicago.£470 per passenger.Departing Tue, 10 Sep, returning Thu, 26 Sep.Return flight with United.Outbound indirect flight with United, departs from London Heathrow on Tue, 10 Sep, arriving in Chicago O'Hare International.Inbound indirect flight with United, departs from Chicago O'Hare International on Thu, 26 Sep, arriving in London Heathrow.Price includes taxes and charges.From £470, select.
Chicago.£474 per passenger.Departing Mon, 18 Nov, returning Mon, 2 Dec.Return flight with United.Outbound indirect flight with United, departs from London Heathrow on Mon, 18 Nov, arriving in Chicago O'Hare International.Inbound indirect flight with United, departs from Chicago O'Hare International on Mon, 2 Dec, arriving in London Heathrow.Price includes taxes and charges.From £474, select.
Chicago.£474 per passenger.Departing Mon, 28 Oct, returning Mon, 4 Nov.Return flight with United.Outbound indirect flight with United, departs from London Heathrow on Mon, 28 Oct, arriving in Chicago O'Hare International.Inbound indirect flight with United, departs from Chicago O'Hare International on Mon, 4 Nov, arriving in London Heathrow.Price includes taxes and charges.From £474, select.
Chicago.£474 per passenger.Departing Tue, 3 Dec, returning Wed, 11 Dec.Return flight with United.Outbound indirect flight with United, departs from London Heathrow on Tue, 3 Dec, arriving in Chicago O'Hare International.Inbound indirect flight with United, departs from Chicago O'Hare International on Wed, 11 Dec, arriving in London Heathrow.Price includes taxes and charges.From £474, select.
Chicago.£474 per passenger.Departing Mon, 11 Nov, returning Mon, 18 Nov.Return flight with United.Outbound indirect flight with United, departs from London Heathrow on Mon, 11 Nov, arriving in Chicago O'Hare International.Inbound indirect flight with United, departs from Chicago O'Hare International on Mon, 18 Nov, arriving in London Heathrow.Price includes taxes and charges.From £474, select.
Chicago.£484 per passenger.Departing Wed, 18 Sep, returning Wed, 25 Sep.Return flight with United.Outbound direct flight with United departs from London Heathrow on Wed, 18 Sep, arriving in Chicago O'Hare International.Inbound direct flight with United departs from Chicago O'Hare International on Wed, 25 Sep, arriving in London Heathrow.Price includes taxes and charges.From £484, select.
Chicago.£484 per passenger.Departing Wed, 18 Sep, returning Mon, 16 Dec.Return flight with United.Outbound direct flight with United departs from London Heathrow on Wed, 18 Sep, arriving in Chicago O'Hare International.Inbound direct flight with United departs from Chicago O'Hare International on Mon, 16 Dec, arriving in London Heathrow.Price includes taxes and charges.From £484, select.

Find the cheapest time to fly to Chicago with United

Flexible on travel dates? Here's when fares are lowest.
Jun
from £541
Jul
from £541
Aug
from £736
Sep
from £470
Oct
from £538
Nov
from £474
Dec
from £474
Jan
from £499
Feb
from £499
Mar
from £484
Apr
from £501
May
from £561

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 found£470
Cheapest month to flySeptember

Flying to Chicago with United: FAQs

The average United flight time from United Kingdom to Chicago is 8 hours and 56 minutes.
At the moment, Iberia, Alaska Airlines, British Airways, American Airlines and Finnair 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 September.