Good to Know: LHR to ORD Flights
Useful information for finding cheap flights from London Heathrow to Chicago O'Hare International and booking your next trip
Cheapest Round Trip Flight
£936
United Airlines• nonstop • 15h 5mJul 17 – Aug 03
The cheapest round trip flight from London Heathrow to Chicago O'Hare International is currently £936
Cheapest Direct Flight
£941
Austrian Airlines• nonstop• 14h 15mJul 17
The cheapest nonstop flight from London Heathrow to Chicago O'Hare International is currently £941
Fastest Flight
13h 45m
The fastest nonstop flight from London Heathrow to Chicago O'Hare International takes 13h 45m
Best Flight Deals from London to Chicago
Explore the lowest round-trip fares from London to Chicago. We've compared hundreds of airlines and travel sites so you don't have to.
Jul 17 - Aug 03, Economy
London → Chicago
15h 5m
11:05 AM - 2:10 PM • nonstop
London → Chicago
13h 35m
4:05 PM - 6:20 AM • nonstop
United Airlines
Jul 17 - Aug 03, Economy
London → Chicago
20h 25m
12:15 PM - 6:40 PM • 1 stop
London → Chicago
13h 40m
9:25 PM - 11:45 AM • nonstop
Austrian Airlines
Jul 17 - Aug 03, Economy
London → Chicago
43h 40m
7:50 PM - 4:10 PM • 1 stop
London → Chicago
12h 30m
9:15 PM - 11:05 AM • nonstop
TAP - Air Portugal
Jul 17 - Aug 03, Economy
London → Chicago
13h 45m
12:15 PM - 2:40 PM • nonstop
London → Chicago
12h 20m
5:40 PM - 7:20 AM • nonstop
Finnair
Jul 17 - Aug 03, Economy
London → Chicago
14h 5m
1:10 PM - 3:55 PM • nonstop
London → Chicago
12h 30m
9:15 PM - 11:05 AM • nonstop
British Airways
Whether you're moving or just visiting, here are some of the best one-way flight options from LHR to ORD—searched and filtered with flexibility in mind.
Need to fly soon? We've surfaced some of the most affordable last-minute flights from London to Chicago, ideal for urgent plans or spontaneous trips.
Looking for the fastest way to Chicago? These direct flight options from LHR to ORD offer both convenience and value—no layovers, just straight to your destination.
Jul 17 - Aug 03, Economy
London → Chicago
14h 15m
8:30 AM - 11:25 AM • nonstop
London → Chicago
13h 35m
4:05 PM - 6:20 AM • nonstop
Austrian Airlines
Jul 17 - Aug 03, Economy
London → Chicago
13h 45m
12:15 PM - 2:40 PM • nonstop
London → Chicago
12h 20m
5:40 PM - 7:20 AM • nonstop
Finnair
Jul 17 - Aug 03, Economy
London → Chicago
15h 10m
2:10 PM - 5:20 PM • nonstop
London → Chicago
13h 35m
6:05 PM - 8:20 AM • nonstop
Austrian Airlines
Jul 17 - Aug 03, Economy
London → Chicago
14h 5m
11:10 AM - 1:55 PM • nonstop
London → Chicago
12h 30m
9:15 PM - 11:05 AM • nonstop
Finnair
Jul 17 - Aug 03, Economy
London → Chicago
14h 5m
1:10 PM - 3:55 PM • nonstop
London → Chicago
12h 30m
9:15 PM - 11:05 AM • nonstop
British Airways
Flights from London to Chicago
| Origin Airport | London Heathrow , London, GB |
| Destination Airport | Chicago O'Hare International , Chicago, US |
| Distance | miles |
More Flight Options for London (LHR) and Chicago (ORD)
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