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Good to Know - Flights from Chicago to London
Best time to beat the crowds
Most popular time to fly
or less (round trip)
Top Tips for Finding Cheap Flights from Chicago to London
Looking for cheap airfare from Chicago to London? 25% of our users found round-trip tickets to London for the following price or less: $ 359.61 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 May. 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.
The cheapest flight Chicago to London found on flyus.com in the last 72 hours was $359.61 round-trip.
Find cheap flights from Chicago to London and book discounted airfare from different cities all over the United States. Explore airline ticket deals on flight routes all over the World! At Flyus, we take pride in helping you discover and book the best flight deals for your next trip at the cheapest price. We make booking flights from different departures easy and provide you with peace of mind with our Best Purchase Guarantee.
from Chicago, United States (ORD) to:
- London, United Kingdom (LHR)Aug 25, 20 - Sep 02, 20$359.61
- London, United Kingdom (LHR)May 12, 20 - May 26, 20$379.33
- London, United Kingdom (LHR)May 05, 20 - May 12, 20$379.74
- London, United Kingdom (LHR)Apr 29, 20 - May 13, 20$379.74
- London, United Kingdom (LHR)May 11, 20 - May 18, 20$379.75