Cheap Flights from London (LHR) to Chicago (ORD)

You can find cheap one-way flights from AU$693 and cheap return flights AU$905 LHR to ORD with Expedia. One-way flights typically cost between AU$834 and AU$7,752 and return flights often range between AU$1,246 and AU$10,290. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when LHR to ORD ticket fares go up or down.

The cheapest months to fly from London (LHR) to Chicago, IL (ORD) are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.

There are 3 airlines offering direct flights from London Heathrow (LHR) to Chicago, IL (ORD-O'Hare Intl.). Here are the carriers:
* British Airways operates 21 direct flights from London Heathrow (LHR) to Chicago, IL (ORD-O'Hare Intl.) every week.
* American Airlines operates 21 direct flights from London Heathrow (LHR) to Chicago, IL (ORD-O'Hare Intl.) every week.
* United operates 21 direct flights from London Heathrow (LHR) to Chicago, IL (ORD-O'Hare Intl.) every week.

To find a cheap flight from London (LHR) to Chicago, IL (ORD), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.

The best airline to fly with from London Heathrow (LHR) to Chicago, IL (ORD-O'Hare Intl.) will differ from traveler to traveler. If you like to fly early, United offers early morning flights. If price is the most important factor, American Airlines typically offers the lowest fares. British Airways offers the most daily flights from London Heathrow (LHR) to Chicago, IL (ORD-O'Hare Intl.), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.

The cheapest months to fly from London Heathrow (LHR) to Chicago, IL (ORD) are typically February and September, with average return flights around AU$912. However, the most popular months for this route are August and December, meaning you'll find plenty of flight options during those times. If you're looking for the best balance of price and availability, consider flying in February or September for more affordable fares, or in August or December if having a wide selection of flights is your top priority.

You'll find approximately 9 nonstop flights per day from London (LHR-Heathrow) to Chicago, IL (ORD-O'Hare Intl.). For even more choices, look at flights that include layovers, as there are around 208 connecting flights per day. Some common connection points include Dublin (DUB), Pearson Intl. (YYZ), and John F. Kennedy Intl. (JFK).

The earliest flight from London Heathrow (LHR) to Chicago, IL (ORD-O'Hare Intl.) typically departs around 6:00 AM. This seasonal service is active in May and June, and is operated by airlines such as Air Baltic, Helvetic Airways, and United. An early departure like this allows you to maximize your time upon arrival in Chicago. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.

You'll find the most flights from London Heathrow (LHR) to Chicago, IL (ORD-O'Hare Intl.) on a Friday, with around 116 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include British Airways, American Airlines, and United. Flight schedules are quite consistent throughout the week, with only a slight increase in flights on Fridays compared to other days.

The most popular departure times for flights from London Heathrow (LHR) to Chicago, IL (ORD-O'Hare Intl.) are in the morning, from 6am to 9am. Many major carriers, including United, Med View Airlines and Lufthansa, offer flights during this window. Many travelers prefer this because it allows for an early start to your journey, getting you to Chicago with plenty of time to settle in.

A non-stop flight from London Heathrow (LHR) to Chicago O'Hare Intl. (ORD) typically takes around 8 hours 48 minutes. This route covers a distance of approximately 6,345 kilometres. If you opt for a one-stop flight, your travel time will be longer, usually around 14 hours 48 minutes. Flights with two or more stops take even longer, averaging about 17 hours 18 minutes. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to allow for some extra time when planning your trip.

You can fly business class or first class between LHR and ORD. Airlines that offer business class service on this route include:

* Swiss International Air Lines
* TAP Portugal
* Air Baltic
* ITA Airways
* Lufthansa
* Iberia
* Air France
* SAS
* Brussels Airlines
* KLM
* Turkish Airlines
* British Airways
* Air Canada
* Med View Airlines
* LOT-Polish Airlines
* Delta
* Virgin Atlantic
* Ethiopian Airlines
* United
* Austrian Airlines
* Finnair
* Icelandair
* Helvetic Airways
* American Airlines

First class cabins are available on British Airways and American Airlines.

It's easy to earn miles on a London (LHR) to Chicago, IL (ORD) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.

*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.

If you're planning to travel to Chicago from Heathrow (LHR), you can fly directly into O'Hare Intl. (ORD). Some flights may connect through major hubs like Humberto Delgado (LIS), Arlanda (ARN), or Gardermoen (OSL) before reaching Chicago. Compare routes and airports on Expedia to find the best flight options for your travel plans.

Typically, booking a last minute flight from London (LHR) to Chicago, IL (ORD) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.

Securing a London (LHR) to Chicago, IL (ORD) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.

If you booked your London (LHR) to Chicago, IL (ORD) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.