United Airlines Chicago to London Flights

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Cheapflightsplus.com will find cheap United Airlines flights from Chicago to London. Compare airline ticket prices and book air tickets starting from $418 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 august: one-way - $418, two-way – $717.

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Cheap Flights from Chicago to London 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 $418. The fastest nonstop flight takes 8h 15m. The fastest connecting flight — 10h 2m.

Price	Departure	Arrival	Flight Time	Airline	Flight
from $420 Find flight	6:05 pm Chicago O'Hare International	8:20 am+1 день London Heathrow	8h 15m	United Airlines	UA920
from $420 Find flight	4:05 pm Chicago O'Hare International	6:20 am+1 день London Heathrow	8h 15m	United Airlines	UA929
from $422 Find flight	9:25 pm Chicago O'Hare International	11:45 am+1 день London Heathrow	8h 20m	United Airlines	UA938
from $418 Find flight	2:20 pm Chicago O'Hare International	7:15 am+1 день London Heathrow	10h 55m layover 1h 8m - Newark	United Airlines	UA2649 UA14
from $418 Find flight	1:10 pm Chicago O'Hare International	6:45 am+1 день London Heathrow	11h 35m layover 1h 57m - Newark	United Airlines	UA1332 UA16
from $418 Find flight	1:10 pm Chicago O'Hare International	7:15 am+1 день London Heathrow	12h 5m layover 2h 27m - Newark	United Airlines	UA1332 UA14
from $418 Find flight	1:10 pm Chicago O'Hare International	5:55 am+1 день London Heathrow	10h 45m layover 1h 7m - Newark	United Airlines	UA1332 UA110
from $418 Find flight	3:45 pm Chicago O'Hare International	9:20 am+1 день London Heathrow	11h 35m layover 1h 38m - Newark	United Airlines	UA362 UA904
from $421 Find flight	2:00 pm Chicago O'Hare International	6:35 am+1 день London Heathrow	10h 35m layover 1h 37m - Toronto	United Airlines	UA8474 UA8306
from $421 Find flight	6:30 pm Chicago O'Hare International	11:50 am+1 день London Heathrow	11h 20m layover 2h 23m - Toronto	United Airlines	UA8088 UA8412
from $421 Find flight	3:50 pm Chicago O'Hare International	9:35 am+1 день London Heathrow	11h 45m layover 2h 45m - Toronto	United Airlines	UA8308 UA8384
from $421 Find flight	6:01 pm Chicago O'Hare International	11:50 am+1 день London Heathrow	11h 49m layover 2h 51m - Toronto	United Airlines	UA265 UA8412
from $422 Find flight	2:39 pm Chicago O'Hare International	6:55 am+1 день London Heathrow	10h 16m layover 1h 3m - Washington D.C.	United Airlines	UA587 UA918
from $422 Find flight	4:00 pm Chicago O'Hare International	9:20 am+1 день London Heathrow	11h 20m layover 1h 33m - Newark	United Airlines	UA2133 UA904
from $482 Find flight	1:05 pm Chicago O'Hare International	6:55 am+1 день London Heathrow	11h 50m layover 2h 25m - Washington D.C.	United Airlines	UA1140 UA918
from $566 Find flight	5:55 pm Chicago O'Hare International	10:15 am+1 день London Heathrow	10h 20m layover 0h 50m - Brussels	United Airlines	UA972 UA9986

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*Departure and arrival times are local. Prices are for one-way flights. Information refreshed on 07/23/2025

United Airlines Flight Schedule Chicago to London

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	Flight Details	Flight Time	Price
4:05 pm — 6:20 am +1 day	4:05 pm — 6:20 am UA929 United Airlines Chicago — London	8h 15m	Find flight from$420
6:05 pm — 8:20 am +1 day	6:05 pm — 8:20 am UA920 United Airlines Chicago — London	8h 15m	Find flight from$420
9:25 pm — 11:45 am +1 day	9:25 pm — 11:45 am UA938 United Airlines Chicago — London	8h 20m	Find flight from$422
10:30 pm — 4:40 pm +1 day	10:30 pm — 2:05 pm UA8835 United Airlines Chicago — Frankfurt 1h 55m stop 4:00 pm — 4:40 pm UA8813 United Airlines Frankfurt — London	12h 10m including layover	Find flight from$440
10:40 am — 6:30 am +1 day	10:40 am — 1:58 pm UA8344 United Airlines Chicago — Montreal 4h 57m stop 6:55 pm — 6:30 am UA8296 United Airlines Montreal — London	13h 50m including layover	Find flight from$423
11:55 am — 6:45 am +1 day	11:55 am — 3:12 pm UA1205 United Airlines Chicago — Newark 3h 13m stop 6:25 pm — 6:45 am UA16 United Airlines Newark — London	12h 50m including layover	Find flight from$423
11:55 am — 5:55 am +1 day	11:55 am — 3:12 pm UA1379 United Airlines Chicago — Newark 2h 13m stop 5:25 pm — 5:55 am UA110 United Airlines Newark — London	12h including layover	Find flight from$433
12:45 pm — 7:40 am +1 day	12:45 pm — 3:40 pm UA2657 United Airlines Chicago — Houston 43m stop 4:20 pm — 7:40 am UA880 United Airlines Houston — London	12h 55m including layover	Find flight from$423
12:50 pm — 6:55 am +1 day	12:50 pm — 3:52 pm UA1377 United Airlines Chicago — Washington D.C. 2h 43m stop 6:35 pm — 6:55 am UA918 United Airlines Washington D.C. — London	12h 5m including layover	Find flight from$428
1:10 pm — 6:45 am +1 day	1:09 pm — 4:35 pm UA1332 United Airlines Chicago — Newark 1h 57m stop 6:15 pm — 6:45 am UA16 United Airlines Newark — London	11h 35m including layover	Find flight from$418
1:10 pm — 7:15 am +1 day	1:09 pm — 4:35 pm UA1332 United Airlines Chicago — Newark 2h 27m stop 6:45 pm — 7:15 am UA14 United Airlines Newark — London	12h 5m including layover	Find flight from$418
2:00 pm — 6:35 am +1 day	2:00 pm — 4:44 pm UA8474 United Airlines Chicago — Toronto 1h 37m stop 6:20 pm — 6:35 am UA8306 United Airlines Toronto — London	10h 35m including layover	Find flight from$421
2:20 pm — 7:15 am +1 day	2:20 pm — 5:54 pm UA2649 United Airlines Chicago — Newark 1h 8m stop 6:45 pm — 7:15 am UA14 United Airlines Newark — London	10h 55m including layover	Find flight from$418
3:45 pm — 9:20 am +1 day	3:45 pm — 7:12 pm UA362 United Airlines Chicago — Newark 1h 38m stop 8:50 pm — 9:20 am UA904 United Airlines Newark — London	11h 35m including layover	Find flight from$418
3:50 pm — 9:35 am +1 day	3:50 pm — 6:32 pm UA8308 United Airlines Chicago — Toronto 2h 45m stop 9:05 pm — 9:35 am UA8384 United Airlines Toronto — London	11h 45m including layover	Find flight from$421
4:00 pm — 9:20 am +1 day	3:40 pm — 7:14 pm UA2133 United Airlines Chicago — Newark 1h 33m stop 8:50 pm — 9:20 am UA904 United Airlines Newark — London	11h 20m including layover	Find flight from$422
5:00 pm — 10:10 am +1 day	5:00 pm — 8:27 pm UA485 United Airlines Chicago — Newark 1h 33m stop 10:00 pm — 10:10 am UA940 United Airlines Newark — London	11h 10m including layover	Find flight from$422
5:00 pm — 11:25 am +1 day	5:00 pm — 8:27 pm UA485 United Airlines Chicago — Newark 2h 53m stop 11:20 pm — 11:25 am UA146 United Airlines Newark — London	12h 25m including layover	Find flight from$423
6:30 pm — 11:50 am +1 day	6:30 pm — 9:14 pm UA8088 United Airlines Chicago — Toronto 2h 23m stop 11:35 pm — 11:50 am UA8412 United Airlines Toronto — London	11h 20m including layover	Find flight from$421
7:05 pm — 1:00 pm +1 day	7:05 pm — 10:50 am UA9727 United Airlines Chicago — Zurich 1h 15m stop 12:05 pm — 1:00 pm UA9760 United Airlines Zurich — London	11h 55m including layover	Find flight from$434
7:05 pm — 12:30 pm +1 day	7:05 pm — 10:50 am UA9727 United Airlines Chicago — Zurich 1h stop 11:50 am — 12:30 pm UA9776 United Airlines Zurich — London	11h 25m including layover	Find flight from$462
9:40 pm — 3:40 pm +1 day	9:25 pm — 12:45 pm UA8854 United Airlines Chicago — Munich 1h 25m stop 2:45 pm — 3:50 pm UA9175 United Airlines Munich — London	12h including layover	Find flight from$454

Departure	Arrival	Flight Details	Flight Time	Price
		stop stop	including layover	Find flight from$

*Departure and arrival times are local. Last updated on 07/23/2025

Flight Information

There are 3 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 10:30 pm to 9:45 pm. Nonstop flight is 8h 15m. The time difference between Chicago and London is 6h.

The fastest flight 8h 15m
Average flight time 8h 15m
The earliest flight 10:30 pm
The latest flight 9:45 pm
Distance 3948 ml

The cheapest months for traveling to London are august (from 418 $), october (from 422 $), may (from 433 $).

The most expensive and popular months are june (from 848 $), february (from 604 $), january (from 558 $).

The cheapest flight by United Airlines that our users were able to find is $418. This airfare is economy class on one-way UA2649 flight for August 27, 2025 leaving O'Hare International in Chicago at 2:20 pm, 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 Chicago to London:

Other Popular Airlines on the Route

Besides United Airlines there are other 24 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 30 direct flights every day from Chicago. Airlines and fares are below:

AS - Alaska Airlines

from $530

Find
OS - Austrian Airlines

from $522

Find
AY - Finnair

from $445

Find
IB - Iberia

from $439

Find
SN - Brussels Airlines

from $529

Find
LH - Lufthansa

from $502

Find
BA - British Airways

from $399

Find

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Connecting Flights

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

KL - KLM

from $491

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AC - Air Canada

from $343

Find
FI - Icelandair

from $201

Find
OS - Austrian Airlines

from $461

Find
AF - Air France

from $491

Find
SY - Sun Country Airlines

from $313

Find
JU - Air Serbia

from $406

Find
LX - SWISS International Air Lines

from $406

Find
AS - Alaska Airlines

from $363

Find
F9 - Frontier Airlines

from $251

Find
PD - Porter Airlines

from $317

Find

See more connecting flights

How to book an air ticket yourself?

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