Cheap Flights from Chicago to London Gatwick

Compare Chicago to London Gatwick flight deals

Find the cheapest month or even day of the year to fly to London Gatwick

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Flight deals from Chicago to London Gatwick

Looking for a cheap last-minute deal or the best return flight from Chicago to London Gatwick? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Chicago to London Gatwick

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Chicago to London Gatwick flights are currently cheapest in November.

Chicago to London Gatwick: Alternative routes

Compare routes from Chicago to London below. You may find an airport to fly into that's cheaper, faster, or easier than London Gatwick.

Chicago to London: Flight information

The things to know before you go.
Cheapest flight foundC$232
Cheapest month to flyNovember

Finding cheap flights from Chicago to London Gatwick: Frequently asked questions

The best price we found for a return flight from Chicago to London Gatwick is C$583. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Chicago to London Gatwick. But we found flights with one stop from C$583.
As of September 2025, there are no flights flying from Chicago to London Gatwick.
The cheapest month to fly from Chicago to London Gatwick is usually November.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Chicago to London Gatwick Airport on Sunday, November 16, 2025.
No airlines currently offer direct flights between Chicago and London Gatwick Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to London Gatwick but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to London is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to London Gatwick is TAP Air Portugal .

Flying from Chicago to London Gatwick Airport (LGW): what you need to know

  • There are two main airports you can fly out of in Chicago. Check out your options leaving from O'Hare International Airport (ORD) or Chicago Midway International Airport (MDW) when planning your flight from Chicago to London Gatwick Airport (LGW).

  • London Gatwick Airport is located in London. The city operates in the UTC+0 timezone and is 5 hours ahead of Chicago.

  • Arrive at the airport on time so you don't miss your flight from Chicago to LGW. Be there at least two hours ahead for international flights and an hour early for domestic departures to skip the mad dash to your gate.

  • August is a peak travel month. If you're heading away then or during a major holiday like Thanksgiving or Christmas, be there even earlier. Aim for at least two hours ahead for domestic flights and up to four hours for international journeys.

Airports in Chicago

O'Hare International Airport (ORD)

  • We make it a cinch to book a flight from Chicago to LGW with a stopover. To see the options departing from O'Hare International Airport (ORD), uncheck 'Direct flights only.' Next, choose a flight offering a stop long enough to explore the city of your choice. Some popular stopovers between ORD and LGW include:

    • Keflavik International Airport (KEF)

    • Edinburgh Airport (EDI)

    • Dublin Airport (DUB)

  • ORD is around 40 kilometres from central Chicago. To work out how to get there, use Google Maps. This useful travel app will show you the best route and available public transport options.

  • Need a convenient hotel close to O'Hare International Airport? If you're boarding an early flight from Chicago to London Gatwick Airport, these accommodation options will put you moments from your departure lounge:

Chicago Midway International Airport (MDW)

  • Get the most out of your vacation with a stopover on your flight from Chicago to London Gatwick Airport. Visit friends or family or tick another city off your bucket list. Whatever you decide to do, here's where you can stop between Chicago Midway International Airport and LGW:

    • Dublin Airport (DUB)

    • Keflavik International Airport (KEF)

    • Pearson International Airport (YYZ)

  • You can reach MDW from central Chicago in approximately 21 minutes by car (depending on traffic conditions). The journey on public transport will take roughly 46 minutes to cover the 19 kilometres or so.

  • Start your vacation early with an extra night away from home. Before your flight from Chicago to LGW, take it easy in one of these hotels close to Chicago Midway International Airport:

About London Gatwick Airport (LGW)

Getting from London Gatwick Airport (LGW) to central London

  • London Gatwick Airport is approximately 80 kilometres from the centre of London. With your own car rental or in a cab, the drive is about 1 hour and 19 minutes.

  • Getting there by public transport takes roughly 1 hour and 26 minutes.

How to find the cheapest flights from Chicago to London Gatwick Airport (LGW)

  • C$232 is the cheapest price we've found for a one-way ticket from Chicago to London Gatwick Airport. Return flights start from C$583. Prices are subject to change based on availability and may vary at the time of booking.

  • To find flight tickets from Chicago to LGW, book as early as possible. Airlines typically offer the most competitive fares when flights are first made available.

  • Getting flight tickets from Chicago to London Gatwick Airport is easy if you can be flexible with your dates. Check out the 'Whole month' search function to see the lowest fares across the month and bag a great deal.

  • Log into your online account or use the app to create a Price Alert. We'll let you know right away if there's a deal you won't want to miss. It's simple to do, and it'll save you from looking for flight tickets from Chicago to LGW every day.

  • Use the filters to tailor your flights from Chicago to London Gatwick Airport. Enter your ideal departure and arrival times, number of stops and airlines. You can also sort your results by 'Cheapest' to see the best deals.

The best time to fly from Chicago to London Gatwick Airport (LGW)

  • August is the busiest month to catch a flight from Chicago to London Gatwick Airport while February is the quietest. To work out the best time to go to London, consider whether you prefer a lively vibe or a quieter pace.

  • The warmest month in London is July, with the temperature ranging between 11ºC and 26ºC. Lock in your flights from Chicago to LGW in this month if this is the type of weather you enjoy.

  • Visit in January for cooler conditions. Temperatures average between 0ºC and 9ºC. However, this city delivers on a good time whenever you book your cheap flights from Chicago to London Gatwick Airport.

More about London

Complete your London trip with a car rental

  • After you've booked your hotel and cheap flight from Chicago to London Gatwick Airport, your next task is choosing one of our car rentals in London. Check out the deals and easily compare options on pick-up convenience, price, and more.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.