Multiple airlines offer nonstop service between O'Hare and London, with a flight time generally in the 8-hour range eastbound.
O'Hare departure planning and London arrival options for this transatlantic route.
Talk to a travel expert011-4565-0281Multiple airlines offer nonstop service between O'Hare and London, with a flight time generally in the 8-hour range eastbound.
Confirm your departure terminal at O'Hare ahead of time, and build in extra buffer during winter months when weather delays are more common.
Heathrow handles most nonstop Chicago-London flights; check your terminal there for onward city connections.
A nonstop flight is the most efficient option on this route; connecting itineraries rarely offer enough of a fare advantage to justify the added travel time.
Confirm baggage allowance, change policy, and your O'Hare terminal before booking, particularly if traveling during Chicago's winter weather season.
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That winter weather at O'Hare can affect this route's reliability more than other seasons.
Compare nonstop O'Hare-Heathrow options across airlines on schedule and fare.
Baggage allowance and your O'Hare terminal, especially for winter travel.
Spring and fall generally see fewer weather-related delays than winter.
Winter weather delays at O'Hare and how far ahead you book.
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