Direct flights
from Chicago (ORD)
to London (LHR)

Weekly schedule for flights between Chicago O'Hare Intl (Chicago, United States) and Heathrow (London, United Kingdom) operated by 1 airlines.
63 weekly flights operate on this route flying 3,964mi in 7h50min.
Expect $639 in average for a one-way ticket with the cheapest option at $639.