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Cheap flights from Chicago to London

49 nonstop flights a week, 7 of them today. Operated by 3 airlines, about 8h in the air, 3,948 mi (6,353 km). Tickets from $300, nonstop from $325.

Flights from Chicago to London

Pick a departure date to see flights and seller prices

We search agencies and airlines for your day: nonstop and connecting flights, baggage, departure and arrival times.

Prices by day: Chicago to London

Lowest one-way price in dollars from recent searches, cheap days in green. Press a day to see flights and exact prices.

Filters

Best fares from Chicago to London

Lowest one-way prices found by recent searches for the next 120 days; press a card to search that date

Cheapest one-way $300 2 March 2027, with a connection Cheapest nonstop $325 2 March 2027, British Airways Cheapest in the next 7 days $315 17 November, Tue Cheapest weekend departure $302 Fri, 27 November 2026
Cheapest day of the week Wednesday $339 on average over the next 120 days
Cheapest month March 2027 tickets from $300

Chicago to London at a glance

flight time, from 7h 45m to 8h 25m
8h
straight-line distance
3,948 mi (6,353 km)
flights a week
49
flights today
7
first and last departure
15:45 - 21:50
lowest price, with a connection, 2 March
$300
lowest nonstop price
$325
airlines
3

Chicago to London ticket prices by month

Lowest one-way fare found by recent searches

Cheapest month: March 2027, tickets from $300. Prices come from searches over the last few days; check the search for your exact date.

The most expensive month is December 2026: from $314. The average across months is $306.

Chicago to London flight schedule

49 flights a week, 7 today, 24 seasonal or one-off. Departure and arrival times are local.

FlightDepartsArrivesDurationDaysAircraft
UA 929
United Airlines
15:45 , terminal 1
05:55 London Heathrow, terminal 2
8h 10m
Daily
Boeing 767-300
BA 294
British Airways
17:10 , terminal 3
06:55 London Heathrow, terminal 5
7h 45m
Daily
Boeing 787
UA 920
United Airlines
17:45 , terminal 1
07:55 London Heathrow, terminal 2
8h 10m
Daily
Boeing 767-300
AA 86
American Airlines
18:30 , terminal 3
08:35 London Heathrow, terminal 3
8h 5m
Mon, Thu, Fri, Sat, Sun
Boeing 787-900
AA 86
American Airlines
18:35 , terminal 3
08:35 London Heathrow, terminal 3
8h
Daily
Boeing 787-900
AA 90
American Airlines
20:00 , terminal 3
10:00 London Heathrow, terminal 3
8h
Fri, Sat, Sun
Boeing 787-900
AA 90
American Airlines
20:25 , terminal 3
10:25 London Heathrow, terminal 3
8h
Thu
Boeing 787-900
AA 90
American Airlines
20:30 , terminal 3
10:25 London Heathrow, terminal 3
7h 55m
Daily
Boeing 787-900
BA 296
British Airways
21:50 , terminal 3
11:35 London Heathrow, terminal 5
7h 45m
Daily
Boeing 787-900
UA 938
United Airlines
21:50 , terminal 1
12:00 London Heathrow, terminal 2
8h 10m
Daily
Boeing 767-300

Seasonal and one-off flights

Not operating in the next two weeks. The first of them is on 17 December.

FlightDepartsArrivesDurationDaysAircraft
AA 90
American Airlines
20:05 , terminal 3
10:00 London Heathrow, terminal 3
7h 55m
Seasonal
Boeing 787-900
AA 86
American Airlines
18:50 , terminal 3
08:35 London Heathrow, terminal 3
7h 45m
Seasonal
Boeing 787-900
AA 90
American Airlines
20:40 , terminal 3
10:25 London Heathrow, terminal 3
7h 45m
Seasonal
Boeing 787-900
UA 929
United Airlines
16:45 , terminal 1
05:55 London Heathrow, terminal 2
8h 10m
Seasonal
Boeing 767-300
BA 294
British Airways
18:10 , terminal 3
06:55 London Heathrow, terminal 5
7h 45m
Seasonal
Boeing 787-900
UA 920
United Airlines
18:45 , terminal 1
07:55 London Heathrow, terminal 2
8h 10m
Seasonal
Boeing 767-300
AA 86
American Airlines
19:50 , terminal 3
08:35 London Heathrow, terminal 3
7h 45m
Seasonal
Boeing 787-900
AA 90
American Airlines
21:40 , terminal 3
10:25 London Heathrow, terminal 3
7h 45m
Seasonal
Boeing 787-900
BA 296
British Airways
22:50 , terminal 3
11:35 London Heathrow, terminal 5
7h 45m
Seasonal
Boeing 787-900
UA 938
United Airlines
22:50 , terminal 1
12:00 London Heathrow, terminal 2
8h 10m
Seasonal
Boeing 767-300
UA 929
United Airlines
16:25 , terminal 1
06:45 London Heathrow, terminal 2
8h 20m
Seasonal
Boeing 767-300
UA 920
United Airlines
18:10 , terminal 1
08:30 London Heathrow, terminal 2
8h 20m
Seasonal
Boeing 767-300
UA 938
United Airlines
21:30 , terminal 1
11:55 London Heathrow, terminal 2
8h 25m
Seasonal
Boeing 767-300
BA 296
British Airways
22:00 , terminal 3
12:00 London Heathrow, terminal 5
8h
Seasonal
Boeing 777
BA 294
British Airways
17:00 , terminal 3
06:50 London Heathrow, terminal 5
7h 50m
Seasonal
Boeing 787
AA 86
American Airlines
18:00 , terminal 3
08:05 London Heathrow, terminal 3
8h 5m
Seasonal
Boeing 787-900
UA 920
United Airlines
18:40 , terminal 1
09:00 London Heathrow, terminal 2
8h 20m
Seasonal
Boeing 767-300
BA 298
British Airways
19:25 , terminal 3
09:35 London Heathrow, terminal 5
8h 10m
Seasonal
Boeing 787
AA 46
American Airlines
20:40 , terminal 3
10:30 London Heathrow, terminal 3
7h 50m
Seasonal
Boeing 787-900
AA 98
American Airlines
23:00 , terminal 3
12:50 London Heathrow, terminal 3
7h 50m
Seasonal
Boeing 787-900
UA 929
United Airlines
16:30 , terminal 1
06:45 London Heathrow, terminal 2
8h 15m
Seasonal
Boeing 767-300
UA 920
United Airlines
18:15 , terminal 1
08:30 London Heathrow, terminal 2
8h 15m
Seasonal
Boeing 767-300
AA 54
American Airlines
20:40 , terminal 3
10:30 London Heathrow, terminal 3
7h 50m
Seasonal
Boeing 787-900
UA 938
United Airlines
21:40 , terminal 1
11:55 London Heathrow, terminal 2
8h 15m
Seasonal
Boeing 767-300

Days of the week are taken from the schedule for the next 14 days; schedules change by season. London is 6 hours ahead of Chicago. The search shows seat availability and the price for your date.

Airlines flying Chicago to London

Flights a week by schedule and the cheapest nonstop fare of each airline found by recent searches

United Airlines21 a week American Airlines14 a week British Airways14 a week

Airports

Where flights from Chicago to London depart and land

Arrival in London

London Heathrow LHR

49 flights a week, terminals 2, 3, 5, 14 mi (23 km) from the city centre

About the airport

When to visit London

Weather by month

Best time to visit: May, June, July, August and September, +18° to +23° by day. In November it is +11° by day and +6° at night, with 11 rainy days.

Jan
+7° +2° 12 days
Feb
+10° +3° 11 days
Mar
+12° +4° 12 days
Apr
+14° +5° 8 days
May
+18° +9° 13 days
Jun
+22° +12° 8 days
Jul
+23° +14° 13 days
Aug
+23° +14° 7 days
Sep
+20° +12° 12 days
Oct
+16° +10° 13 days
Nov
+11° +6° 11 days
Dec
+9° +5° 12 days

Daytime and night temperatures in °C, rainy days. Months with the most comfortable weather are in green. Long-term averages.

Frequently asked questions

How long is the flight from Chicago to London?
A nonstop flight takes 8 hours on average, from 7h 45m to 8h 25m depending on the flight.
How far is London from Chicago?
3,948 mi (6,353 km) in a straight line between the cities.
Which airlines fly nonstop from Chicago to London?
United Airlines (21 a week), American Airlines (14 a week) and British Airways (14 a week).
How many flights a day are there from Chicago to London?
7 flights today and 49 a week, about 7 a day on average.
When are the first and last flights from Chicago to London?
The first departure is at 15:45 (UA929), the last at 21:50 (UA938). Local time.
What is the cheapest month to fly from Chicago to London?
March 2027: tickets from $300. The most expensive is December 2026, from $314.
What is the cheapest upcoming date to fly from Chicago to London?
2 March 2027 (Tuesday): from $300 one way, with a connection, by recent searches. The search shows the price for your dates.
Which airline is the cheapest from Chicago to London?
British Airways: nonstop tickets from $325 on 2 March by recent searches. Prices change daily, so compare the sellers in the search.
What is the time difference between Chicago and London?
London is 6 hours ahead of Chicago. Schedule times on this page are local to each airport.