United Airlines Chicago to London Flights

Return flight: London – Chicago

Cheapflightsplus.com will find cheap United Airlines flights from Chicago to London. Compare airline ticket prices and book air tickets starting from $425 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 Chicago (IL) — London 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 december: one-way - $425, two-way – $729.
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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
5:50 pm — 7:55 am
+1 day
5:50 pm — 7:55 am UA920 United Airlines
Chicago — London
8h 5m
Find flight
from$425
9:10 pm — 11:15 am
+1 day
9:10 pm — 11:15 am UA938 United Airlines
Chicago — London
8h 5m
Find flight
from$425
10:35 am — 7:30 am
+1 day
10:35 am — 1:38 pm UA2483 United Airlines
Chicago — Houston
2h 47m stop
4:25 pm — 7:30 am UA880 United Airlines
Houston — London
14h 55m
including layover
Find flight
from$428
10:50 am — 5:55 am
+1 day
10:50 am — 2:06 pm UA2091 United Airlines
Chicago — Newark
3h 24m stop
5:30 pm — 5:55 am UA146 United Airlines
Newark — London
13h 5m
including layover
Find flight
from$485
11:35 am — 7:10 am
+1 day
11:35 am — 2:47 pm UA8344 United Airlines
Chicago — Montreal
4h 28m stop
7:15 pm — 7:10 am UA8296 United Airlines
Montreal — London
13h 35m
including layover
Find flight
from$479
11:53 am — 6:55 am
+1 day
11:53 am — 3:08 pm UA2488 United Airlines
Chicago — Newark
3h 32m stop
6:40 pm — 6:55 am UA14 United Airlines
Newark — London
13h 2m
including layover
Find flight
from$487
12:55 pm — 6:20 am
+1 day
12:45 pm — 4:00 pm UA2238 United Airlines
Chicago — Newark
1h 50m stop
6:00 pm — 6:20 am UA110 United Airlines
Newark — London
11h 25m
including layover
Find flight
from$487
12:55 pm — 5:55 am
+1 day
12:45 pm — 4:00 pm UA2238 United Airlines
Chicago — Newark
1h 20m stop
5:30 pm — 5:55 am UA146 United Airlines
Newark — London
11h
including layover
Find flight
from$736
1:15 pm — 6:40 am
+1 day
1:15 pm — 4:13 pm UA2431 United Airlines
Chicago — Washington D.C.
2h 12m stop
6:25 pm — 6:40 am UA918 United Airlines
Washington D.C. — London
11h 25m
including layover
Find flight
from$426
1:22 pm — 6:40 am
+1 day
1:21 pm — 4:15 pm UA1830 United Airlines
Chicago — Washington D.C.
2h 5m stop
6:30 pm — 6:40 am UA918 United Airlines
Washington D.C. — London
11h 18m
including layover
Find flight
from$428
2:16 pm — 8:25 am
+1 day
2:16 pm — 5:31 pm UA2115 United Airlines
Chicago — Newark
2h 39m stop
8:10 pm — 8:25 am UA904 United Airlines
Newark — London
12h 9m
including layover
Find flight
from$425
2:20 pm — 6:55 am
+1 day
2:16 pm — 5:31 pm UA2115 United Airlines
Chicago — Newark
1h 5m stop
6:40 pm — 6:55 am UA14 United Airlines
Newark — London
10h 35m
including layover
Find flight
from$426
3:15 pm — 9:10 am
+1 day
3:15 pm — 6:31 pm UA2649 United Airlines
Chicago — Newark
2h 24m stop
8:55 pm — 9:10 am UA16 United Airlines
Newark — London
11h 55m
including layover
Find flight
from$432
3:15 pm — 8:25 am
+1 day
3:15 pm — 6:31 pm UA2649 United Airlines
Chicago — Newark
1h 39m stop
8:10 pm — 8:25 am UA904 United Airlines
Newark — London
11h 10m
including layover
Find flight
from$432
4:00 pm — 8:30 am
+1 day
4:00 pm — 6:41 pm UA8308 United Airlines
Chicago — Toronto
1h 29m stop
8:10 pm — 8:30 am UA8268 United Airlines
Toronto — London
10h 30m
including layover
Find flight
from$432
4:08 pm — 9:10 am
+1 day
4:08 pm — 7:23 pm UA795 United Airlines
Chicago — Newark
1h 32m stop
8:55 pm — 9:10 am UA16 United Airlines
Newark — London
11h 2m
including layover
Find flight
from$426
6:08 pm — 10:50 am
+1 day
6:08 pm — 9:01 pm UA444 United Airlines
Chicago — Washington D.C.
1h 14m stop
10:30 pm — 11:05 am UA924 United Airlines
Washington D.C. — London
10h 42m
including layover
Find flight
from$426
6:30 pm — 12:45 pm
+1 day
6:30 pm — 9:55 am UA907 United Airlines
Chicago — Frankfurt
2h 5m stop
12:00 pm — 12:45 pm UA8815 United Airlines
Frankfurt — London
12h 15m
including layover
Find flight
from$509
7:05 pm — 1:00 pm
+1 day
7:05 pm — 10:45 am UA9727 United Airlines
Chicago — Zurich
1h 25m stop
12:10 pm — 1:00 pm LX332 SWISS International Air Lines
Zurich — London
11h 55m
including layover
Find flight
from$489
7:47 pm — 6:20 am
+2 days
7:47 pm — 10:59 pm UA2362 United Airlines
Chicago — Newark
19h 1m stop
6:00 pm — 6:20 am UA110 United Airlines
Newark — London
28h 33m
including layover
Find flight
from$445
8:29 pm — 7:30 am
+2 days
8:29 pm — 11:30 pm UA2155 United Airlines
Chicago — Houston
16h 55m stop
4:25 pm — 7:30 am UA880 United Airlines
Houston — London
29h 1m
including layover
Find flight
from$445
8:50 am — 6:40 am
+1 day
8:50 am — 11:48 am UA545 United Airlines
Chicago — Washington D.C.
6h 37m stop
6:25 pm — 6:40 am UA918 United Airlines
Washington D.C. — London
15h 50m
including layover
Find flight
from$428
9:05 pm — 5:55 am
+2 days
9:05 pm — 11:59 pm UA1023 United Airlines
Chicago — Washington D.C.
7h 1m stop
7:00 am — 8:24 am UA3475 United Airlines
Washington D.C. — Newark
9h 6m stop
5:30 pm — 5:55 am UA146 United Airlines
Newark — London
26h 50m
including layover
Find flight
from$438
*Departure and arrival times are local. Last updated on 12/21/2024

Flight Information

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

Departures start from 10:35 am to 9:25 pm. Nonstop flight is 8h 5m. The time difference between Chicago and London is 6h.

  • The fastest flight 8h 5m
  • Average flight time 8h 5m
  • The earliest flight 10:35 am
  • The latest flight 9:25 pm
  • Distance 3948 ml

The cheapest months for traveling to London are november (from 422 $), january (from 425 $), december (from 425 $).

The most expensive and popular months are february (from 438 $), december (from 425 $), january (from 425 $).

The cheapest flight by United Airlines that our users were able to find is $425. This airfare is economy class on one-way UA938 flight for January 1, 2025 leaving O'Hare International in Chicago at 9:10 pm, it includes all taxes and additional fees.

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Other Popular Airlines on the Route

Besides United Airlines there are other 19 airline carriers between Chicago and London. Please review schedules and prices from the most popular airlines to find the best airfare deals from Chicago to London.

Nonstop flights

There are 20 direct flights every day from Chicago. 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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