Menu

Cheap flights from Chicago-O'Hare Intl (ORD) to London (LON)

Know your dates, get live prices in seconds:

From
To
Depart
Return
Any month
Compare vs. Cheapflights |
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime

We work with more than 300 partners to bring you better travel deals

The best prices from Chicago-O'Hare Intl to London are usually found in April or October, booked 60 days in advance, depart on a Tuesday or Monday and return on a Thursday

How to find the cheapest flight from
Chicago-O'Hare Intl (ORD) to London (LON)

ORD - LON
Price
$464 - $783
LON
Temperature
48.2 - 73.4 °F
LON
Rainfall
1.4 - 2.8 inches

Popular in

June

High demand for flights, 25% potential price rise

Cheapest in

April

Best time to find cheap flights, 21% potential price drop

Round-trip from

$464

From Chicago-O'Hare Intl to London

One-way from

$119

One-way flight from Chicago-O'Hare Intl to London

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Chicago-O'Hare Intl to London?

Users have found that flying from Chicago-O'Hare Intl to London on a Friday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

How far in advance should I book a flight from Chicago-O'Hare Intl to London?

Users have found that booking a flight from Chicago-O'Hare Intl to London at least 61 days early can save you up to 76% on average compared to booking a flight this week. If booking 61 days before your flight isn’t an option for you, users have found flights from Chicago-O'Hare Intl to London for as little as $602 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $805 for flights departing within the next 3 days.

What is the cheapest month to fly from Chicago-O'Hare Intl to London?

Flights from Chicago-O'Hare Intl to London lean towards being more expensive in December. Prices are generally better when you fly from Chicago-O'Hare Intl to London in March, with the cheapest ticket starting at $327.

When is the cheapest time to fly from Chicago-O'Hare Intl to London (ORD - LON)?

It’s typically best to fly out from Chicago-O'Hare Intl to London in the morning. Doing so could potentially save you 10% on the flight price compared to flying in the evening, which is usually more expensive.

Cheap flights from Chicago-O'Hare Intl to London in November, December 2020

The best prices found for ORD to LON flights for November, December
20 Dec - 29 Jan
$385pp
ORD
Chicago O'Hare Intl
Multiple Airlines
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
   
2 STOPS
ORD
Chicago O'Hare Intl
6 Dec - 11 Dec
$404pp
ORD
Chicago O'Hare Intl
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
ORD
Chicago O'Hare Intl
27 Dec - 7 Jan
$405pp
ORD
Chicago O'Hare Intl
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
ORD
Chicago O'Hare Intl

Chicago-O'Hare Intl to London 2021 flight deals

Cheap flights to London from Chicago-O'Hare Intl found for next year
20 Dec - 29 Jan
$385pp
ORD
Chicago O'Hare Intl
Multiple Airlines
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
   
2 STOPS
ORD
Chicago O'Hare Intl
6 Dec - 11 Dec
$404pp
ORD
Chicago O'Hare Intl
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
ORD
Chicago O'Hare Intl
27 Dec - 7 Jan
$405pp
ORD
Chicago O'Hare Intl
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
ORD
Chicago O'Hare Intl

Non-stop flights to London from Chicago-O'Hare Intl

Save time with Chicago-O'Hare Intl to London direct flight deals
6 Jan - 29 Jan
$619pp
ORD
Chicago O'Hare Intl
Finnair
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
Finnair
Non-Stop
ORD
Chicago O'Hare Intl
5 May - 18 May
$622pp
ORD
Chicago O'Hare Intl
Finnair
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
Finnair
Non-Stop
ORD
Chicago O'Hare Intl
11 Jan - 16 Feb
$623pp
ORD
Chicago O'Hare Intl
British Airways
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
British Airways
Non-Stop
ORD
Chicago O'Hare Intl

Last minute flights from Chicago-O'Hare Intl to London

Late deals on round-trip flights to London from Chicago-O'Hare Intl, departing today and this week
29 Nov - 31 Dec
$434pp
ORD
Chicago O'Hare Intl
Multiple Airlines
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
   
2 STOPS
ORD
Chicago O'Hare Intl
29 Nov - 1 Jan
$435pp
ORD
Chicago O'Hare Intl
Multiple Airlines
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Multiple Airlines
   
2 STOPS
ORD
Chicago O'Hare Intl
29 Nov - 11 Dec
$454pp
ORD
Chicago O'Hare Intl
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
ORD
Chicago O'Hare Intl

One-way flights to London from Chicago-O'Hare Intl

The cheapest one-way flights from Chicago-O'Hare Intl to London
1:20 pm - 7:40 am
TAP AIR PORTUGAL
1 Stop
12h 20m
ORD - LHR
TAP AIR PORTUGAL
$119
Gotogate
1:20 pm - 7:40 am
TAP AIR PORTUGAL
1 Stop
12h 20m
ORD - LHR
TAP AIR PORTUGAL
$124
Gotogate
1:20 pm - 12:30 pm
TAP AIR PORTUGAL
1 Stop
17h 10m
ORD - LHR
TAP AIR PORTUGAL
$126
Gotogate

Related info for your journey

Useful info, stats and facts about Chicago-O'Hare Intl to London flights.

Flight FAQs

From Chicago-O'Hare Intl to London

Are flight prices decreasing from Chicago-O'Hare Intl to London due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Chicago-O'Hare Intl and London for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from Chicago O'Hare Intl to London to control the spread of COVID-19?

Delta is one of the many airlines that have implemented additional safety measures to control the spread of COVID-19. Some of the new policies that have been implemented to accommodate travelers flying from Chicago O'Hare Intl to London are improved sanitation, HEPA filters, mask requirements, social distance seating (for a limited time), and pre-flight testing for antibodies and symptoms. Policies will vary by airline.

Which airlines flying from Chicago O'Hare Intl to London have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like British Airways, United Airlines, and American Airlines flying from Chicago O'Hare Intl to London have implemented new flexible cancellation policies.

Can I find flights from Chicago-O'Hare Intl to London for under $400 on Cheapflights?

Yes, there are multiple flights from Chicago-O'Hare Intl to London for under $400. The cheapest flight booked recently is on Multiple Airlines for just $368, but on average you can expect to pay $389.

Are there nonstop flights from Chicago-O'Hare Intl to London for under $700 on Cheapflights?

Cheapflights has at least 20 direct flights from Chicago-O'Hare Intl to London under $700. A good price for a nonstop flight from Chicago-O'Hare Intl to London is less than $635.

Are there last-minute flights available from Chicago-O'Hare Intl to London for under $500?

There are currently 20+ open flights from Chicago-O'Hare Intl to London within the next 7 days for less than $500.

Is Chicago-O'Hare Intl weather warmer or cooler than London?

You can imagine temperatures to be in the 86 °F range in July. The weather in London is generally colder than Chicago-O'Hare Intl's. As flight availability is subject to become more limited as peak season approaches it is ideal to book in a timely manner.

How long is the flight from Chicago-O'Hare Intl to London?

For as low as $671, KLM can have you in London from Chicago-O'Hare Intl in 9h 55m. This flight may include one or multiple stops.

What is the cheapest airline to fly from Chicago-O'Hare Intl to London round-trip?

Our cheapest airline available from Chicago-O'Hare Intl to London is TAP AIR PORTUGAL. Our recent data shows that you can find tickets from as low as $369 on this airline. TAP AIR PORTUGAL is currently priced 36% below the average price you’ll pay for this route.

What are the cheapest airlines to fly from Chicago-O'Hare Intl to London one-way?

The cheapest airline for a one-way flight from Chicago-O'Hare Intl to London is TAP AIR PORTUGAL ($119).

Alternative routes for Chicago-O'Hare Intl to London

Destination information for London

Things to know before you go. Useful info for your trip from Chicago-O'Hare Intl to London
Today's exchange rate
$1 = £0.75
Average temperature for November in London
53.6 °F
Avg rainfall for November in London
2.5 ″

Airports servicing Chicago

Airports servicing London

Gatwick (LGW)
City (LCY)
Stansted (STN)
Luton (LTN)
Southend (SEN)

Top 10 airlines from Chicago-O'Hare Intl to London

The chart below displays the airlines Cheapflights users traveling from Chicago-O'Hare Intl to London choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.

Airline Cheapest Average Flexibility On-time COVID-19 safety
Norwegian
$334 $477 No cancel fee 74%
KLM
$386 $555 No change fee 75%
Norwegian Air UK
$330 $566 No cancel fee N/A
Air France
$409 $576 No change fee 77%
Delta
$395 $598 No cancel fee N/A
Brussels Airlines
$371 $600 No change fee N/A
SAS
$288 $632 No change fee 77%
TAP AIR PORTUGAL
$452 $641 No change fee N/A
Austrian Airlines
$399 $699 No change fee 78%
Air Canada
$362 $730 No cancel fee 67%

Hourly flight availability from Chicago-O'Hare Intl to London

Afternoon Noon to 6 PM 65% of ORD to LON departures
Evening 6 PM to midnight 35% of ORD to LON departures
Early morning Midnight to 6 AM 0% of ORD to LON departures
Morning 6 AM to noon 0% of ORD to LON departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Chicago-O'Hare Intl to London
Sunday
18 daily flights
Monday
18 daily flights
Tuesday
11 daily flights
Wednesday
18 daily flights
Thursday
10 daily flights
Friday
11 daily flights
Saturday
11 daily flights
Home Europe United Kingdom England London Cheap flights from Chicago-O'Hare Intl to London