Cheap Flights from Chicago (CHI) to London (LON)

Top tips for finding a cheap flight from Chicago to London

Finding cheap tickets from Chicago to London is easy with a little flexibility. Use our Whole Month search feature to scan through the calendar for the cheapest dates. You can also set up a Price Alert for your route and let us monitor the fares for you, sending notifications when prices change. If you’d rather skip layovers, select the Direct Flights search to view non-stop options that’ll save you time.

Booking your tickets early often leads to savings, but we can also find you some last-minute deals. In general, January is the best time to schedule your trip from Chicago to London, with the lowest average fares across the board. Keep these strategies in mind to find the best itinerary.

Handy information about Chicago airport

Chicago caters to a broad range of air travel needs through its diverse array of airports. Chicago O'Hare International Airport, one of the world's largest airports, boasts four terminals, providing numerous ground transport options including the CTA "L" train, connecting passengers to virtually anywhere in the city. It serves a wide range of domestic and international destinations, with a dedicated terminal for international travelers.

Complementing O'Hare, Chicago Midway International Airport operates from one terminal with three concourses and ensures connectivity with various ground transportation modes, focusing primarily on domestic flights and a few international routes. For more personalized travel, both Chicago Executive and DuPage Airports offer a terminal each for private and corporate aircraft, alongside convenient transport services. Lastly, Chicago Rockford, despite its single terminal structure, supports domestic travel, particularly catering to budget-conscious passengers. Each airport, strategically located, makes accessible the vast metropolitan landscape and aligns with different travel preferences, maintaining Chicago's reputation as a significant transportation hub.

London airport: good to know

London serves as a true global gateway with six airports managing a spectrum of international and domestic flights. The centrally located London City Airport, notable for its single terminal, primarily focuses on domestic and European flights tailored for business travelers, while also offering a few transatlantic routes. It presents various transport options including the Docklands Light Railway, enhancing its accessibility.

Heathrow, the UK's largest airport, operates from four terminals offering comprehensive international connections. You'll find a multitude of transportation channels like the Heathrow Express and the Piccadilly Underground line that provide direct access to and from the heart of the city. Similarly, Gatwick, with two terminals, and Stansted, with one, both offer a range of flights, including low-cost options, and direct train routes into London. Luton, also facilitating primarily budget carriers from its single terminal, connects travelers to London via its nearby train station. Lastly, Southend Airport completes the set with links into the city, chiefly serving domestic and European airlines. Whether you’re traveling for business or a weekend getaway, simplify your journey when flying from Chicago to London by planning your airport transfer ahead of time.

Best time to fly from Chicago to London

The best time to fly from Chicago to London is during the warmer months of July and August, when the weather in London is pleasantly mild, with average temperatures between 59°F and 77°F. These months offer the most comfortable climate for exploring the city without the chill of winter. It’s worth noting that sporadic heatwaves can push temperatures up to 86°F, so light clothing is advisable. Despite the chance of rain, these months experience less precipitation than October, allowing for a generally drier visit to England’s bustling capital.

Reasons to visit London

When planning your trip to London, check out these activities and attractions London has to offer. Dive into the rich tapestry of history and culture at The British Museum, which houses a vast collection of world art and artifacts. Revel in the royal heritage with a visit to The Tower of London, where the Crown Jewels and storied past await your discovery. For panoramic views of the city skyline, a flight on The London Eye provides a memorable perspective. Time your visit to coincide with the Notting Hill Carnival, one of the world's largest street festivals, to experience London's celebration of Caribbean culture.

Add hotel bookings and car hire to your Chicago to London flight

Planning your trip to London is easy and convenient with Skyscanner. Find car rentals with reputable services like Green Motion, Europcar, and Hertz. These options allow you to explore the city on your own schedule. For accommodations, choose from hotels such as Park Plaza Westminster Bridge London, close to iconic landmarks, the Sofitel London Heathrow for immediate airport access, or the Premier Inn London Heathrow Airport T2 & T3 on Bath Road for a restful stay.