BA's Club Suite business class offers private pods with doors, available on most 777s and A350s.
BA's World Traveller Plus offers extra seat width, legroom, and upgraded service in a dedicated cabin.
Round-trip from | $534 (Norse) |
---|---|
Popular in | July |
Cheapest in | February |
Average price | $613 |
Good round-trip deal | $750 or less |
Good one-way deal | $630 or less |
Fly from
Fly to
Route
Depart
Return
Price
LondonChicago
LHR - ORD
LHRORD
London Heathrow
Tue 12/9
7:05 am-4:45 pm
2 stops39h 40m
Chicago O'Hare Intl
Fri 1/9
7:20 pm-4:00 pm
1 stop14h 40m
LondonChicago
LHR - ORD
LHRORD
London Heathrow
Tue 9/30
7:45 am-4:35 pm
2 stops14h 50m
Chicago O'Hare Intl
Tue 10/7
4:00 pm-9:20 am
1 stop11h 20m
LondonChicago
LHR - ORD
LHRORD
London Heathrow
Mon 12/15
12:15 pm-5:20 pm
1 stop11h 05m
Chicago O'Hare Intl
Thu 1/15
6:30 pm-7:30 pm
1 stop19h 00m
LondonChicago
LHR - ORD
LHRORD
London Heathrow
Tue 12/9
12:15 pm-5:20 pm
1 stop11h 05m
Chicago O'Hare Intl
Wed 1/7
6:30 pm-10:50 am
1 stop10h 20m
LondonChicago
LGW - ORD
LGWORD
London Gatwick
Tue 10/14
2:00 pm-5:53 pm
1 stop33h 53m
Chicago O'Hare Intl
Tue 10/21
6:58 pm-10:00 am
1 stop33h 02m
LondonChicago
STN - ORD
STNORD
London Stansted
Fri 11/7
6:30 am-5:55 pm
1 stop17h 25m
Chicago O'Hare Intl
Mon 11/10
7:40 pm-9:20 pm
1 stop19h 40m
LondonChicago
LHR - ORD
LHRORD
London Heathrow
Thu 10/30
7:05 am-6:45 pm
2 stops16h 40m
Chicago O'Hare Intl
Sun 11/2
7:20 pm-4:25 pm
2 stops15h 05m
LondonChicago
LHR - ORD
LHRORD
London Heathrow
Fri 12/12
5:30 pm-4:45 pm
2 stops29h 15m
Chicago O'Hare Intl
Thu 1/8
7:20 pm-4:00 pm
1 stop14h 40m
LondonChicago
LHR - ORD
LHRORD
London Heathrow
Tue 10/7
8:30 am-11:30 am
Nonstop9h 00m
Chicago O'Hare Intl
Fri 12/5
3:45 pm-5:55 am
Nonstop8h 10m
LondonChicago
LHR - ORD
LHRORD
London Heathrow
Sat 9/27
8:30 am-11:30 am
Nonstop9h 00m
Chicago O'Hare Intl
Mon 10/6
6:00 pm-8:20 am
Nonstop8h 20m
The best time to book flights from London to Chicago O'Hare Intl Airport is 70 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Currently, August is the cheapest month in which you can book a flight from London to Chicago O'Hare Intl Airport (average of $245). Flying from London to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
When flying from London to Chicago O'Hare Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 26% versus a flight in the afternoon.
The most flights from LON to ORD are scheduled on a Sunday (54 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (42 on average).
Lisbon (LIS) – chosen by Cheapflights users on 33% of 1-stop itineraries from London to Chicago O'Hare Intl Airport on Cheapflights.
Lisbon (LIS) is the most affordable 1-stop option, with an average round-trip price of $522.
Flights via Copenhagen (CPH) have the shortest average one-way travel time for 1-stop routes: 13h 30m.
Flights via Copenhagen (CPH) offer the fastest connection on this route, with an average layover time of 3h 10m.
Entertainment
Boarding
Comfort
Crew
Overall
Food
Reviews
Deb,Jan 2025
MKE - ORD
Entertainment
Boarding
Comfort
Crew
Overall
Food
Reviews
Deb,Jan 2025
MKE - ORD
Entertainment
Boarding
Comfort
Crew
Overall
Food
Reviews
Deb,Jan 2025
MKE - ORD
Entertainment
Boarding
Comfort
Crew
Overall
Food
Reviews
Deb,Jan 2025
MKE - ORD
Entertainment
Boarding
Comfort
Crew
Overall
Food
Reviews
Deb,Jan 2025
MKE - ORD
Entertainment
Boarding
Comfort
Crew
Overall
Food
Reviews
Deb,Jan 2025
MKE - ORD
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$390 | Average$561 | FlexibilityNo cancel fee | On-time76% | |
Cheapest$453 | Average$683 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$462 | Average$535 | FlexibilityNo cancel fee | On-time77% | |
Cheapest$485 | Average$745 | FlexibilityNo cancel fee | On-time69% | |
Cheapest$553 | Average$774 | FlexibilityNo cancel fee | On-time70% | |
Cheapest$558 | Average$789 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$579 | Average$805 | FlexibilityNo cancel fee | On-time71% | |
Cheapest$584 | Average$967 | FlexibilityNo cancel fee | On-time78% | |
Cheapest$599 | Average$793 | FlexibilityNo cancel fee | On-time77% | |
Cheapest$607 | Average$809 | FlexibilityNo cancel fee | On-time76% |