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.
Most accurate provider | AranGrant 3 stars |
---|---|
Most trusted provider | AranGrant 3 stars |
Round-trip from | $576 (Booking.com) |
One-way from | $523 (Thrive Travel) |
Popular in | August |
Cheapest in | February |
Average price | $712 |
Good round-trip deal | $699 or less |
Good one-way deal | $674 or less |
Fly from
Fly to
Route
Depart
Return
Price
LondonChicago
LHR - ORD
LHRORD
London Heathrow
Fri 6/27
9:15 am-11:55 am
Nonstop8h 40m
Chicago O'Hare Intl
Fri 7/4
7:15 pm-9:10 am
Nonstop7h 55m
LondonChicago
LGW - ORD
LGWORD
London Gatwick
Tue 7/15
6:35 pm-12:50 pm
1 stop24h 15m
Chicago O'Hare Intl
Sat 7/26
2:20 pm-5:50 pm
1 stop21h 30m
LondonChicago
LGW - ORD
LGWORD
London Gatwick
Thu 6/26
12:20 pm-11:57 pm
2 stops17h 37m
Chicago O'Hare Intl
Tue 7/8
7:00 pm-5:20 pm
1 stop16h 20m
LondonChicago
LHR - ORD
LHRORD
London Heathrow
Mon 6/16
6:30 am-4:18 pm
2 stops15h 48m
Chicago O'Hare Intl
Tue 6/24
1:31 pm-9:15 am
1 stop13h 44m
LondonChicago
LCY - ORD
LCYORD
London City
Wed 9/17
8:40 am-2:40 pm
1 stop12h 00m
Chicago O'Hare Intl
Fri 10/3
4:20 pm-8:10 am
1 stop9h 50m
LondonChicago
LHR - ORD
LHRORD
London Heathrow
Fri 6/27
2:10 pm-5:20 pm
Nonstop9h 10m
Chicago O'Hare Intl
Fri 7/4
1:05 pm-6:55 am
1 stop11h 50m
LondonChicago
LHR - ORD
LHRORD
London Heathrow
Wed 10/8
8:30 am-11:30 am
Nonstop9h 00m
Chicago O'Hare Intl
Fri 10/17
6:00 pm-8:20 am
Nonstop8h 20m
LondonChicago
LCY - ORD
LCYORD
London City
Mon 6/16
6:45 am-2:00 pm
1 stop13h 15m
Chicago O'Hare Intl
Mon 6/30
3:45 pm-8:30 am
1 stop10h 45m
LondonChicago
LCY - ORD
LCYORD
London City
Wed 6/4
8:40 am-2:10 pm
1 stop11h 30m
Chicago O'Hare Intl
Wed 6/25
4:20 pm-8:10 am
1 stop9h 50m
LondonChicago
LHR - ORD
LHRORD
London Heathrow
Thu 6/12
8:55 am-5:10 pm
1 stop14h 15m
Chicago O'Hare Intl
Thu 6/19
1:26 pm-7:45 am
2 stops12h 19m
Provider | Price Accuracy | Trust Score* |
---|---|---|
Price Accuracy3 stars | Trust Score*2 stars | |
Price Accuracy3 stars | Trust Score*2 stars | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy1 star | Trust Score*3 stars |
The best time to book flights from London to Chicago O'Hare Intl Airport is 40 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 28% versus a flight in the afternoon.
Travelers seeking maximum savings on their London to Chicago O'Hare Intl Airport flight should consider departing on Sunday evenings when fares are most often at their lowest. Wednesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from LON to ORD are scheduled on a Saturday (54 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (47 on average).
In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 1.7 in.
If weather is an important factor for your trip to Chicago O'Hare Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).
Crew
Food
Overall
Entertainment
Comfort
Boarding
Reviews
Kim,May 2025
PIH - SLC
Crew
Food
Overall
Entertainment
Comfort
Boarding
Reviews
Kim,May 2025
PIH - SLC
Crew
Food
Overall
Entertainment
Comfort
Boarding
Reviews
Kim,May 2025
PIH - SLC
Crew
Food
Overall
Entertainment
Comfort
Boarding
Reviews
Kim,May 2025
PIH - SLC
Crew
Food
Overall
Entertainment
Comfort
Boarding
Reviews
Kim,May 2025
PIH - SLC
Crew
Food
Overall
Entertainment
Comfort
Boarding
Reviews
Kim,May 2025
PIH - SLC
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$390 | Average$567 | FlexibilityNo cancel fee | On-time76% | |
Cheapest$462 | Average$569 | FlexibilityNo cancel fee | On-time77% | |
Cheapest$483 | Average$677 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$550 | Average$774 | FlexibilityNo cancel fee | On-time70% | |
Cheapest$562 | Average$845 | FlexibilityNo cancel fee | On-time69% | |
Cheapest$568 | Average$718 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$582 | Average$774 | FlexibilityNo cancel fee | On-time77% | |
Cheapest$583 | Average$789 | FlexibilityNo cancel fee | On-time71% | |
Cheapest$625 | Average$838 | FlexibilityNo cancel fee | On-time76% | |
Cheapest$660 | Average$922 | FlexibilityNo cancel fee | On-time76% |