$438 Cheap Flights from Chicago (MDW) to London (LGW)

View $438 flight on Fri, Aug 15, 2025Opens in a new window

Popular airlines from Chicago Midway Airport (MDW) to Gatwick Airport (LGW)

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
    Learn about One Key
Find available prices by choosing your travel dates.

Cheap Flights from Chicago to London (MDW-LGW)

Prices were available within the past 7 days and start at $438 for one-way flights and $658 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Aug 13 - Wed, Aug 27
MDW
Chicago
LGW
London
$658 Roundtrip, found 4 days ago
$658
Roundtrip
found 4 days ago
Select Delta flight, departing Wed, Aug 13 from Chicago to London, returning Wed, Aug 27, priced at $658 found 4 days ago
Virgin Atlantic
Sat, Aug 16 - Wed, Aug 27
MDW
Chicago
LGW
London
$668 Roundtrip, found 4 days ago
$668
Roundtrip
found 4 days ago
Select Virgin Atlantic flight, departing Sat, Aug 16 from Chicago to London, returning Wed, Aug 27, priced at $668 found 4 days ago
Delta
Tue, Aug 12 - Fri, Aug 22
MDW
Chicago
LGW
London
$694 Roundtrip, found 4 days ago
$694
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Aug 12 from Chicago to London, returning Fri, Aug 22, priced at $694 found 4 days ago
Virgin Atlantic
Thu, Aug 14 - Wed, Aug 27
MDW
Chicago
LGW
London
$708 Roundtrip, found 4 days ago
$708
Roundtrip
found 4 days ago
Select Virgin Atlantic flight, departing Thu, Aug 14 from Chicago to London, returning Wed, Aug 27, priced at $708 found 4 days ago
Virgin Atlantic
Thu, Aug 14 - Fri, Aug 22
MDW
Chicago
LGW
London
$744 Roundtrip, found 4 days ago
$744
Roundtrip
found 4 days ago
Select Virgin Atlantic flight, departing Thu, Aug 14 from Chicago to London, returning Fri, Aug 22, priced at $744 found 4 days ago
Delta
Tue, Aug 12 - Sat, Aug 23
MDW
Chicago
LGW
London
$745 Roundtrip, found 4 days ago
$745
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Aug 12 from Chicago to London, returning Sat, Aug 23, priced at $745 found 4 days ago
Delta
Sat, Aug 16 - Sat, Aug 23
MDW
Chicago
LGW
London
$795 Roundtrip, found 4 days ago
$795
Roundtrip
found 4 days ago
Select Delta flight, departing Sat, Aug 16 from Chicago to London, returning Sat, Aug 23, priced at $795 found 4 days ago
Delta
Fri, Aug 15 - Sat, Aug 23
MDW
Chicago
LGW
London
$800 Roundtrip, found 4 days ago
$800
Roundtrip
found 4 days ago
Select Delta flight, departing Fri, Aug 15 from Chicago to London, returning Sat, Aug 23, priced at $800 found 4 days ago
Southwest Airlines
Wed, Aug 6 - Sun, Aug 17
MDW
Chicago
LGW
London
$1,189 Roundtrip, found 1 day ago
$1,189
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Wed, Aug 6 from Chicago to London, returning Sun, Aug 17, priced at $1,189 found 1 day ago
Air France
Fri, May 30 - Sat, Jul 26
MDW
Chicago
LGW
London
$2,933 Roundtrip, found 7 hours ago
$2,933
Roundtrip
found 7 hours ago
Select Air France flight, departing Fri, May 30 from Chicago to London, returning Sat, Jul 26, priced at $2,933 found 7 hours ago
Flights from Chicago (MDW) to London (LGW)
Origin airport
Midway Intl.
Destination airport
Gatwick
Airlines serving
Air France, Delta, Virgin Atlantic
Roundtrip price
$657
Distance
3965 mi

Chicago to London Flights

The cheapest times to fly from Chicago to London

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Chicago to London are during the month of August. You can find some of the cheapest flights from Chicago to London with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Chicago to London

Sunday is one of the best days to book for cheap flights from Chicago to London: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Chicago to London

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Chicago to London in 2025. You can also book with separate airlines for your outbound and return journeys, from $438 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Chicago to London flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Chicago to London airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Midway Intl. Airport (MDW) to Gatwick Airport (LGW) cost?
Discover the latest flight deals from MDW to LGW by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from MDW to LGW?
The cheapest flights from MDW to LGW are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from MDW to LGW?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from MDW to LGW. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Midway Intl. Airport (MDW) to Gatwick Airport (LGW)?
There aren’t any daily direct flights available from Midway Intl. Airport (MDW) to Gatwick Airport (LGW). But you can choose flights with layovers. Filter your search results on Expedia to include one or more stops, and you’ll be on your way in no time.
What day of the week has the most flights from MDW to LGW?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can vary depending on a number of factors, such as the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Midway Intl. Airport (MDW) to Gatwick Airport (LGW)?
To avoid possible delays on the Midway Intl. Airport (MDW) to Gatwick Airport (LGW) route, fly before 3 PM. Departures after this time are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
Is it cheaper to buy a plane ticket from Midway Intl. Airport (MDW) to Gatwick Airport (LGW) last-minute?
Booking your plane ticket from MDW to LGW shortly before your trip is generally more expensive. However, if you’re flexible with your departure dates and times, you could snag a cheap last-minute fare.
Is it cheaper to book a MDW to LGW flight and hotel package?
Opting for a MDW to LGW flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Pick from our wide range of accommodations and then add activities, car rentals and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Midway Intl. Airport (MDW) to Gatwick Airport (LGW)?
It’s generally possible to cancel or reschedule your MDW to LGW flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline’s policies in your itinerary to see what changes are allowed and if any costs are involved. You’ll also find more information on our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.