Flights from Chicago to London

Search and find cheap flights from Chicago to London (United Kingdom, Europe)
Search and find cheap flights from Chicago to London (United Kingdom, Europe)

Looking for the best tickets for Chicago to London?

Look no more. We’ve gone through the latest 33,277,769 fares to bring you all the insights you could possibly want.
Best time to book
Cheapest time to buy a ticket for Chicago — London is approximately 59 days to departure.
Chicago to London flights are usually cheapest between 2 and 4 months before departure.
Days before departure
Best month
Cheapest time of year to fly to London from Chicago is January and February. Most expensive are November and December.
The cheapest flights from Chicago to London are currently available between June and July.
Impact on price
Cheapest airline
According to our data, Turkish Airlines, Aer Lingus and Delta Air Lines are the cheapest airlines to fly this route.
momondo users most frequently choose to fly from Chicago to London with either Turkish Airlines, Aer Lingus or Delta Air Lines.
Impact on price (additional fees may apply)
Turkish Airlines
+11%
Aer Lingus
+21%
Delta Air Lines
+23%
Swiss International Air Lines
+24%
United Airlines
+25%
Major US Carrier
+25%
Best time to fly
Chicago to London flights are approximately 4% more expensive in the afternoon than in the noon.
Afternoon flights tend to be the most expensive.
Impact on price
Cheapest day
Saturday is normally the most expensive day to fly, whilst Wednesday tends to be the cheapest.
Cheapest day of week is typically Wednesday and the most expensive is typically Saturday.
Impact on price
Cheapest route
Fly O'Hare Intl - Gatwick for the best Chicago to London flight prices saving up to 2% on average.
O'Hare Intl - Gatwick tends to be 2% cheaper than O'Hare Intl - London City Airport.
We scan 25 sites offering flights from Chicago to London to find all the best options.
Impact on price
O'Hare Intl-Gatwick
+9%
Midway-Heathrow
+11%
O'Hare Intl-Heathrow
+17%
O'Hare Intl-London City Airport
+18%
Direct flights
There are direct flights from Chicago to London all week with a flight time of 7 hours 35 minutes.
Direct flights available: 369 PER WEEK
Popular non-direct routes for this connection are O'Hare Intl - Arlanda - Heathrow, O'Hare Intl - Keflavik Intl - Gatwick and O'Hare Intl - Copenhagen Airport - Heathrow.
You can fly from Chicago to London indirect via Arlanda, Keflavik Intl or Copenhagen Airport.
Direct flights available on
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday

Get there quickly

Direct flights to London from Chicago
Return trip
27 May - 16 Jan
1,071 CAD
GoTravel123
CHI CHI
7h 45min
Direct
LON LON
LON LON
6h 10min
Direct
CHI CHI

Go right away

Last minute flights from Chicago to London
Return trip
13 Apr - 22 Apr
1,023 CAD
KissAndFlyUS
CHI CHI
8h 5min
Direct
LON LON
LON LON
22h 45min
1 stop
CHI CHI
Return trip
4 Jul - 19 Jul
1,180 CAD
AerLingusUS
CHI CHI
16h 45min
1 stop
LON LON
LON LON
14h 5min
1 stop
CHI CHI

Go for less - experience more

Cheap flights from Chicago to London
Return trip
13 Apr - 22 Apr
1,023 CAD
KissAndFlyUS
CHI CHI
8h 5min
Direct
LON LON
LON LON
22h 45min
1 stop
CHI CHI
Return trip
27 May - 16 Jan
1,071 CAD
GoTravel123
CHI CHI
7h 45min
Direct
LON LON
LON LON
6h 10min
Direct
CHI CHI
Return trip
15 Jun - 2 Jul
1,083 CAD
KiwiCA
CHI CHI
21h 45min
3 stops
LON LON
LON LON
30h 20min
3 stops
CHI CHI

Coming or going?

Cheap flights from London to Chicago
Return trip
21 Jun - 13 Jul
827 CAD
CFWorldAirFaresUK
LON LON
14h 8min
1 stop
CHI CHI
CHI CHI
14h 45min
1 stop
LON LON
Return trip
3 Apr - 8 Apr
859 CAD
CFFaregeekCA
LON LON
8h 50min
Direct
CHI CHI
CHI CHI
11h 25min
1 stop
LON LON
Return trip
4 Apr - 7 Apr
958 CAD
CFFaregeekCA
LON LON
10h 53min
1 stop
CHI CHI
CHI CHI
8h 0min
Direct
LON LON

Weather forecast for London

Going soon? Be prepared for the weather in London.

So what's it going to cost once you're in London

Compare the costs of everyday items in Chicago and London
CAPPUCCINO
Regular
Chicago
5.3 CAD
17%
London
4.38 CAD
Cappuccino is 17% cheaper in London than Chicago
MEAL
Inexpensive
Chicago
20.16 CAD
-24%
London
25.04 CAD
Meal is 24% more expensive in London than Chicago
MILK
1 liter
Chicago
3.86 CAD
-48%
London
5.71 CAD
Milk is 48% more expensive in London than Chicago
BUS
One-way ticket
Chicago
3.02 CAD
-38%
London
4.18 CAD
Bus is 38% more expensive in London than Chicago
MOVIE THEATER
1 ticket
Chicago
16.13 CAD
-24%
London
20.02 CAD
movie theater is 24% more expensive in London than Chicago
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