Beginning of main content
Round Trip Icon
Trip Type
Flight 1
Flight 2
Flight 3
Flight 4
Flight 5

Search over 895,000 properties worldwide and 550 airlines worldwide.

Search over a million flights, hotels, packages, and more

No Expedia cancellation fee to change or cancel almost any hotel reservation.

Cheap ORD to LHR Flights

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Chicago to London Route Information
Origin Airport O'Hare Intl.
Destination Airport Heathrow
Flight Price $389
Distance 3,942 mi
Airlines Serving Air Canada, American Airlines, British Airways, Delta, Finnair, Iberia, Icelandair, United, Virgin Atlantic

Chicago

$408.93

London

$371.83

$446.48

$462.19

$709.73

Cheap ORD to LHR Flights

  • Question : How many flights are there per day from Chicago to London?
    Answer : The number of flight times varies by day of the week, but on average, ORD to LHR sees 14 different options. You’ll have more options on this route than most other routes departing the United States.
  • Question : How long does it take to fly from Chicago to London?
    Answer : From ORD to LHR, the fastest flight time is seven hours and 30 minutes. Remember, there is a six-hour time change.
  • Question : Can I change the date of my flight?
    Answer : You sure can and you may save by changing when you leave. The lowest-cost day to fly in February is Sunday.
  • Question : Do some days of the week have more flight times than others?
    Answer : Saturday has the greatest variety of flight times for Chicago to London with 14. Friday currently offers the least amount of flight times with 13 options.
  • Question : Which airline has the least delays from Chicago to London?
    Answer : Booking with Virgin Atlantic means you will arrive to London about the time you were supposed to. In fact, this timely airline has a 92% on-time average. It never hurts to be prepared. If you should choose this airline, be sure to track the flight status to stay on top of the departure time.
  • Question : How much time do people spend in London?
    Answer : The average time spent sightseeing in London by travelers from Chicago is 11 days.
  • Question : What is the cheapest day to fly to London?
    Answer : Jan 25th has bookings (as of Jan 21st) as cheap as $309. That comes in 51% below the average price for this route. Saving now gives you more cash to spend on your trip.