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The cheapest time of year to fly to London Heathrow Airport from Chicago O'Hare Intl Airport is February. The most expensive is June.
Austrian Airlines, British Airways, and Iberia are the most popular carriers operating from Chicago O'Hare Intl Airport to London Heathrow Airport
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The cheapest time to buy a flight from Chicago O'Hare Intl Airport to London Heathrow Airport is approximately 0 days to departure
When you’re planning your trip from Chicago to London, the most popular airport-to-airport route is Chicago O'Hare Intl Airport to London Heathrow Airport. The cheapest route from Chicago to London is ORD — LHR with an average price of £370 RT during the month of July.
|Virgin Atlantic||PriceFrom £356||Free Cancellation||Rating|
|United Airlines||PriceFrom £410||Free Cancellation||Rating|
|Finnair||PriceFrom £436||Free Cancellation||Rating|
|American Airlines||PriceFrom £437||Free Cancellation||Rating|
|Lufthansa||PriceFrom £453||Free Cancellation||Rating|
|British Airways||PriceFrom £457||Free Cancellation||Rating|
|Iberia||PriceFrom £459||Free Cancellation||Rating|
|Austrian Airlines||PriceFrom £460||Free Cancellation||Rating|
|Icelandair||PriceFrom £462||Free Cancellation||Rating|
|Aer Lingus||PriceFrom £475||Free Cancellation||Rating|
Aer Lingus flies from Chicago O'Hare Intl Airport to London Heathrow Airport around 12 times per week, with 81 momondo users rating the airline 8.1/10. The cheapest Aer Lingus deal from Chicago O'Hare Intl Airport to London Heathrow Airport in the last 72 hours was £577 (return), much lower than the average airfare cost of £822 for Aer Lingus flights on this route.
Another popular option for Chicago O'Hare Intl Airport to London Heathrow Airport flights is Finnair (7.6/10, 105 ratings). Finnair flies from Chicago O'Hare Intl Airport to London Heathrow Airport around 40 times per week, with deals starting from £529 return and rising to an average price of around £773.
Due to the global impact of COVID-19, some of our airline partners operating flights from Chicago O'Hare Intl to London Heathrow, such as British Airways, Finnair, and Iberia may have flexible cancellation policies in place. Use our site to search for all of the airlines offering this flexibility to you.
The distance between Chicago O'Hare Intl and London Heathrow is about 3939.2 mi. Typically, this will take 10h 15m by plane in normal conditions.
It is quick and easy to find Chicago to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.
Yes. All flights to London from Chicago on momondo can be compared and filtered by various policies on offer, including flexible booking.
momondo helps you find the best flight between Chicago and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
Of course. momondo tracks the price of Chicago to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.