Find Cheap flights from Chicago (ORD) to London (LON)
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Chicago (ORD) » United Kingdom » ORD to LON
Good to Know - Flights from Chicago to London
November
Best time to beat the crowds
February
Most popular time to fly
Top Tips for Finding Cheap Flights from Chicago to London
Looking for cheap airfare from Chicago to London? Book at least 4 weeks before departure in order to get a below-average price. High season is considered to be February. The cheapest month to fly from Chicago to London is November. Enter your preferred departure airport and travel dates into the search form above to unlock the latest Chicago to London flight deals.
FAQs - Booking from Chicago to London flights
A flight from Chicago to London takes 8hours5minutes.
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