Popular airlines from Chicago O'Hare International Airport (ORD) to Heathrow Airport (LHR)
Aer LingusAer Lingus
LOT-Polish AirlinesLOT-Polish Airlines
FinnairFinnair
Air FranceAir France
Alaska AirlinesAlaska Airlines
Virgin AtlanticVirgin Atlantic
KLMKLM
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Cheap Flights from Chicago (ORD) to London (LHR)
Prices were available within the past 7 days and start at £177 for one-way flights and £361 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Find the cheapest month to fly from Chicago (ORD) to London (LHR)
November is typically the cheapest month to fly
Graph displaying average flight prices per month
Origin airport | O'Hare Intl. |
Destination airport | Heathrow |
Airlines serving | Aer Lingus, Air Canada, Air France, Alaska Airlines, Austrian Airlines, British Airways, Brussels Airlines, Finnair, Iberia, Icelandair, JetBlue Airways, KLM, LOT-Polish Airlines, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United, Virgin Atlantic |
Return price | £361 |
Distance | 6307 km |
Compare flights from Chicago to London easily and book with confidence
For travelling on business or for pleasure, Expedia makes it easy to book your flights from Chicago to London. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Heathrow in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from O'Hare Intl. to Heathrow.
To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights.
Grab a great deal on your flight from O'Hare Intl. (ORD) to Heathrow (LHR)
The easiest way to view the best deals on flights from Chicago to London today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from O'Hare Intl. to Heathrow start at just £361 and range up to £464.
To find an even better deal, try
- being flexible on your dates – midweek flights can be cheaper
- looking for other airports near Chicago and London
- booking your flight during August, the cheapest month on this route
- varying your flight times – early morning and late at night are sometimes cheaper
Why you should book your Chicago to London flight with Expedia!
We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from O'Hare Intl. to Heathrow for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.
Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.
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