The cheapest times to fly from LHR to ORD are
- January 1st to March 25th
- May 14th to July 1st
- October 22nd to December 9th
based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from LHR to ORD is early November. Prices can be as high as $891 for Saturday flights during early August, or as low as $342 for Wednesday flights around early November.
When to Fly to Chicago
Flying from London (LHR) to Chicago, IL (ORD) will usually cost between $346 to $756 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early November with an average ticket price of $343. Due to high demand the most expensive time to fly is early August, with an average price of $852. Planning your trip to low-cost times can easily save you $509 on economy flights and even more on first-class flights. Generally, any price below $423 can be considered a good price for a round-trip LHR to ORD flight.
See below for a graph of average weekly prices for the LHR to ORD route. All prices are for round-trip tickets in USD.
Compared to other flights, the LHR to ORD flight is much cheaper than the average and costs less than the average flight leaving from London. The average price per mile (for a direct flight) is $0.07, which is far below average.
Flight Prices by Day of the Week
Wednesday is usually the cheapest day to fly to ORD, and Tuesday the cheapest day to fly back into LHR. Saturdays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $44 (7%) on this flight.
Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Wednesday and returning a week later will cost an average of $448. Return trip prices are from the ORD to LHR flight, and often highlight the quality of our data in showing the same trend.
Departing Prices by Day
Return Trip Prices by Day
Nonstop Flights and Layovers
Travelers looking to fly from LHR to ORD can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 8 hour 5 minutes may be realistic.
Flight Questions Answered
Still have questions about flying from LHR to ORD? We’ve got answers.
Which airlines fly this route?
You can find 22 major airlines flying this route most often: Aer Lingus, Aeromexico, Air Canada, Air France, Alitalia, American, Austrian, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, KLM, LOT, Lufthansa, SAS, SWISS, Tap Air Portugal, Turkish Airlines, United, Virgin Atlantic, and potentially more during busy seasons.
How far away is it from Chicago O’Hare International Airport to London Heathrow Airport?
The distance between the two airports is roughly 3941 miles or 6342 kilometers.
How long does it take to fly from LHR to ORD?
The real-world flight time for a nonstop LHR to ORD flight is about 8 hour 5 minutes.
How many flights go between London and Chicago, IL?
It depends on the day of the week and the date, but a typical day might have around 55 available flights from LHR to ORD.
Airport Location Info
|Origination airport name||London Heathrow Airport|
|Country||the United Kingdom|
|Destination airport name||Chicago O’Hare International Airport|
|Country||the United States|
Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.