AED1,490 Cheap Flights from Chicago (ORD) to London (LHR)

View AED1,490 flight on Sun, 12 October 2025Opens in a new window

Popular airlines from Chicago O'Hare Intl. Airport (ORD) to Heathrow Airport (LHR)

    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save on select hotels after you book a flight*
    trophy illustration

    Find the right fit

    We search billions of combinations of flights to help you find your next adventure

Cheap Flights from Chicago to London (ORD-LHR)

Prices were available within the past 7 days and start at AED1,490 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Chicago (ORD) to London (LHR)
Origin airport
O'Hare Intl.
Destination airport
Heathrow
Distance
6307 km
Average flight time
13 hours 58 mins

Chicago to London Flights

Whether you’re looking for a grand adventure or just want to get away for a last-minute break, flights from Chicago to London offer the perfect respite. Not only does exploring London provide the chance to make some magical memories, dip into delectable dishes, and tour the local landmarks, but the cheap airfare means you won’t bust your budget. So no matter whether your ideal itinerary involves flying one way, non-stop, or round trip, you’re bound to find flights that match your schedule on Expedia, and at prices that won’t shock your wallet.

Bagging a cheap flight from Chicago to London may mean more dollars to spend on for one-of-a-kind souvenirs when you arrive, but it doesn’t mean you have to skimp on your travel experience, as Expedia offers a sizzling selection of cheap airlines that’ll put you in your happy place on their planes, whether that’s getting lost in a hair-raising airport thriller, dreaming on the passing landscape over a glass of bubbly, or jotting down your vacation bucket list at 38,000 feet. There’s also bound to be plenty of opportunities to snap a few photos of the high life that will make your friends green with envy. After all, enjoying the journey is part of the fun.

With so many affordable flights and so many wonderful adventures awaiting you, there’s no reason to put off booking a fantastic flight from to today. So don’t leave it to the last minute to make your dream trip a reality: pack your bags with your go-to travel accessories, put together your list of must-see attractions and can’t-miss activities, and get ready to broaden your horizons – with Expedia, the wonders of London are only a plane trip away. Book your travel arrangements with us today!

If you would like to book flights to London more flexibly many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to London is AED1,490 now!

Frequently asked questions

How long does it take to fly from ORD to London Heathrow?
American Airlines operates a direct flight jetting off from O'Hare Airport at 11:05PM and reaching Heathrow Airport (LHR) at 12:45PM — a total travel time of 7 hours and 40 minutes. Choose a seat, bring a magazine to keep you amused and the time will speed by.
Is it cheaper to buy a plane ticket from ORD to Heathrow Airport last minute?
Being spontaneous is an awesome way to see the world, but it's not always the cleverest way to track down a cheap airfare. Think about booking your O'Hare Airport to London Heathrow trip well in advance rather than waiting till the last minute. Based on flight pricing and demand studies in 2022, we have found that the best time to book domestic flights is between 28 – 35 days ahead of the departure date, and international flights three to four months in advance. Save up that spontaneity for when you reach your destination!
What airline has the least delays from O'Hare Intl. Airport (ORD) to London Heathrow?
If you'd prefer not to be stuck at the airport — or worse, have your trip upended because of a flight delay — choose United Airlines. Around 86% of its ORD to London Heathrow services touch down on time. You can check your flight status before leaving for the airport through the free Expedia App. It also delivers real-time alerts about gate number changes and how to reach your hotel. Everything you need to know is right there in your pocket!
What airports do you fly into for London from Chicago?
With Heathrow Airport (LHR), London City Airport (LCY) and Gatwick Airport (LGW) to pick from, flying from Chicago to London is easy. The city's main terminal, Heathrow Airport (LHR), is around 23 kilometers west of the downtown area. As well as ticket costs, consider things like train or bus options from the airport and the distance to your hotel when deciding where to fly into. Get your London trip off to a flying start by discovering Big Ben and Buckingham Palace.
What are the most popular departure times for flights from O'Hare Airport to London Heathrow?
For American Airlines flights heading from O'Hare Airport to LHR, the most popular departure times are between 8:00 AM - 9:00 AM. If you want to avoid delays, fly out in the morning. This way you can miss the air traffic that accumulates in the afternoon.
Can I change the date of my flight from O'Hare Intl. Airport (ORD) to London Heathrow?
Sometimes life gets in the way of plans, so Expedia is here to help make things easier. First, access your ORD to LHR itinerary through the Expedia Trips portal and look up the fare rules about what changes can be made. If you booked your plane ticket in the last 24 hours, some airlines allow you to cancel at no cost and organize new flights. If you booked more than 24 hours ago, connect with us via our Customer Service portal to see how we can assist.

Explore a world of travel with Expedia