United Airlines London to Chicago Flights

Return flight: Chicago – London
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Cheapflightsplus.com will find cheap United Airlines flights from London to Chicago. Compare airline ticket prices and book air tickets starting from $845 from trusted online travel agencies, web sites and directly from airlines. Check flights schedule of United Airlines, arrivals and departure details below.

Find Cheap Airfare London — Chicago (IL) by United Airlines

To find cheap tickets choose a day of your departure with attractive price on the graph below and click «Find flights». For round trip flights please click «Check prices for return flight». The cheapest airfare is in february: one-way - $845, two-way – $1449.
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Cheap Flights from London to Chicago by United Airlines

Look at the list of plane tickets for the most popular direct and connecting flights by United Airlines, their prices start from $845. The fastest nonstop flight takes 9h 25m. The fastest connecting flight — 12h 55m.
Price Departure Arrival Flight Time Airline Flight
from $845
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10:25 am
London
Heathrow
 1:50 pm
Chicago
O'Hare International
 9h 25m United Airlines
UA958
from $891
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1:35 pm
London
Heathrow
 5:00 pm
Chicago
O'Hare International
 9h 25m United Airlines
UA959
from $884
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6:30 am
London
Heathrow
 1:25 pm
Chicago
O'Hare International
 12h 55m
layover
1h 45m - Frankfurt
 United Airlines
UA9546
UA8836
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*Departure and arrival times are local. Prices are for one-way flights. Information refreshed on 02/05/2025
Below is a detailed 2025 flight schedule for today, tomorrow and all other days. It may vary depending on season and a day of the week of your desired trip. We recommend booking your itinerary at least 2 weeks prior your travel to get the best price and availability by the airline.
Departure Arrival Flight Details Flight Time Price
10:25 am — 1:50 pm
10:25 am — 1:50 pm UA958 United Airlines
London — Chicago
9h 25m
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from$845
1:35 pm — 5:00 pm
1:35 pm — 5:00 pm UA959 United Airlines
London — Chicago
9h 25m
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from$891
6:30 am — 1:25 pm
6:30 am — 9:05 am UA9546 United Airlines
London — Frankfurt
1h 45m stop
10:50 am — 1:25 pm UA8836 United Airlines
Frankfurt — Chicago
12h 55m
including layover
Find flight
from$884
*Departure and arrival times are local. Last updated on 02/05/2025

Flight Information

There are 2 flights by United Airlines from London to Chicago every week with departures from Gatwick, London City, Heathrow, Luton, Stansted, Stratford International Rail St, Ebbsfleet International Rail St, London Biggin Hill, London-Waterloo, British Rail Terminal. All flights arrive at Chicago FSS, Midway, O'Hare International, Chicago NAS, Merrill C Meigs (closed), Dupage County, Pal-Waukee.

Departures start from 10:25 am to 6:30 am. Nonstop flight is 9h 25m. The time difference between London and Chicago is 6h.

  • The fastest flight 9h 25m
  • Average flight time 9h 25m
  • The earliest flight 10:25 am
  • The latest flight 6:30 am
  • Distance 3948 ml

The cheapest months for traveling to Chicago are december (from 766 $), january (from 782 $), november (from 816 $).

The most expensive and popular months are february (from 834 $), november (from 816 $), january (from 782 $).

The cheapest flight by United Airlines that our users were able to find is $845. This airfare is economy class on one-way UA958 flight for February 21, 2025 leaving Heathrow in London at 10:25 am, it includes all taxes and additional fees.

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United Airlines Airplanes on the Route

List of the most popular United Airlines airplanes flying from London to Chicago:

Other Popular Airlines on the Route

Besides United Airlines there are other 25 airline carriers between London and Chicago. Please review schedules and prices from the most popular airlines to find the best airfare deals from London to Chicago.

Nonstop flights

There are 19 direct flights every day from London. Airlines and fares are below:

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Connecting Flights

List of flights with layovers (1 and more stops):

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How to book an air ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected airfare.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

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