and Get up to C$15 OFF
◊ Applies to bookings for 3+ travelers. Book by Jul 31, 2019.  Learn more
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Book Flights from Chicago to London will help you to find the best deals on flights from Chicago to London. With our search technology, effortlessly searching flight routes across hundreds of airlines has never been easier or more convenient. With, we aim to make it simple and quick to search, select and save on the flights that best suit your needs and budget.

No matter if you are traveling for business or pleasure, we offer a wide range of deals from business class discounts to last minute flight deals to destinations like London. Whether you are planning ahead or looking for last minute tickets, CheapOair has the right flights at the right price. After booking your ticket, explore this page to view blog posts about this destination, learn more about hotels near LON and read reviews from others who booked their flights with

Frequently Asked Questions - Chicago to London Flights

  • When does the first flight of the day depart from CHI?

    9:05PM NORWEGIAN AIR UK LTD Flight #90

  • When does the last flight depart to LON?

    11:35PM NORWEGIAN AIR UK LTD Flight #978

  • What is the travel distance between Chicago and London?

    3,949 miles

  • What is the price range for flights from CHI to LON?

    C$879 - C$879

  • How many weekly flights are there between CHI to LON?

    There are 122 weekly flights between CHI and LON.

  • How many daily flights fly between Chicago and London?

    There are 16 daily flights between CHI and LON

  • Which is the busiest day in terms of passengers traffic between CHI to LON?


  • Which is the nearest airport to London, United Kingdom?

    London Gatwick Airport

  • Which is the nearest airport to Chicago, Illinois?

    Midway International Airport

  • What’s the cost of the cheapest return flight from CHI to LON?