Cheap flights from Atlanta Hartsfield-Jackson to London

Compare Atlanta Hartsfield-Jackson to London flight deals

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

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Flight deals from Atlanta Hartsfield-Jackson to London

Looking for a cheap last-minute deal or the best round-trip flight from Atlanta Hartsfield-Jackson to London? Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Atlanta Hartsfield-Jackson to London

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Atlanta Hartsfield-Jackson to London flights are currently cheapest in January.

Direct flights from Atlanta Hartsfield-Jackson to London

Alternative Atlanta Hartsfield-Jackson to London routes

Looking for the cheapest, fastest or easiest route from Atlanta Hartsfield-Jackson to London? You could fly into the following airports instead.

Atlanta to London: Flight information

The things to know before you go.
Cheapest flight found$401
Cheapest month to flyFebruary
Average flight time8 hrs, 11 mins
Most popular airlineKLM
Average flights per week182

Finding cheap flights from Atlanta Hartsfield-Jackson to London: Frequently asked questions

There are 6 airports in London: London City, London Heathrow, London Gatwick, London Luton, London Stansted, and London Southend.
The best price we found for a round-trip flight from Atlanta Hartsfield-Jackson to London is $401. 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.
8 hours and 11 minutes is the average flight time from Atlanta Hartsfield-Jackson to London.
KLM, Delta and Virgin Atlantic fly direct from Atlanta Hartsfield-Jackson to London.
There are 182 flights per week flying from Atlanta Hartsfield-Jackson to London, as of December 2025.
The cheapest month to fly from Atlanta Hartsfield-Jackson to London is usually February.
If you're flying from Atlanta Hartsfield-Jackson Airport, the cheapest airport near London is London Gatwick – which is 40.3 km away from the center of London. We've found flights to this airport from $401.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Atlanta Hartsfield-Jackson Airport to London on Friday, February 6, 2026.
Yes – the average flight time is 8 hours and 11 minutes.
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 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.
In December, the average temperature is usually around 5°C. August is typically the warmest month in London, when it usually averages around 22°C. You can expect the least rain in March. The coldest month is January, with temperatures averaging 1°C. The rainiest month is October.
Currently, Spirit Airlines and British Airways offer the cheapest flight tickets to London.

Flying from Hartsfield-Jackson Atlanta International Airport (ATL) to London: what you need to know

  • Hop on a direct flight from Hartsfield-Jackson Atlanta International Airport to London and you'll be traveling for an average of 9 hours 35 minutes.

  • Hartsfield-Jackson Atlanta International Airport is located in Atlanta. Following the UTC+0 timezone, London is four hours ahead of Atlanta.

  • With 35 flights a week between the two airports, Hartsfield-Jackson Atlanta International Airport (ATL) to London Heathrow Airport (LHR) is the most popular route. Delta Air Lines operates the earliest flight at 17:10. If you'd like to make the most of your day before taking off, the latest flight from ATL to LHR is with Delta Air Lines at 23:59.

  • For hassle-free travel, turn up at the airport two hours ahead of international flights and one hour before domestic departures. This will give you plenty of time to board your ATL to London flight.

  • If you're flying during a public holiday or another peak period, give yourself more time. A good rule is two hours ahead of domestic flights and up to four hours before international departures. Security and check-in lines will be longer.

  • Direct Hartsfield-Jackson Atlanta International Airport to London tickets are available for booking. London Heathrow Airport (LHR) is where you'll be landing.

  • You'll find a variety of airlines operating direct flights from Hartsfield-Jackson Atlanta International Airport to London, such as:

  • We make it simple to book flight tickets from ATL to London with a stopover. To see the options, deselect 'Direct flights only.' Then, pick a flight that has a stop long enough to see the sights of the city of your choice. The most sought-after stopovers include:

    • Charlotte Douglas International Airport (CLT)

    • Amsterdam Airport Schiphol (AMS)

    • Frankfurt Airport (FRA)

  • ATL is about 13 kilometers from central Atlanta. If you're driving, ride-sharing or catching a cab from the center, it'll take you 15 minutes or so to get there, depending on traffic. If you're taking public transport, expect the travel time to be around 1 hour 10 minutes.

  • In search of a hotel near ATL? If you're boarding an early flight from Hartsfield-Jackson Atlanta International Airport to London, these stays will put you moments from check-in:

  • Of all flights leaving Hartsfield-Jackson Atlanta International Airport, 76.64% land on schedule at their destination.

  • You'll find ATL at 6000 N Terminal Parkway.

How to find the cheapest flights from Hartsfield-Jackson Atlanta International Airport (ATL) to London

  • $136 is the cheapest price we've seen for a one-way Hartsfield-Jackson Atlanta International Airport to London flight. A return ticket right now is $401. Depending on how early you book and the availability, these fares may change.

  • Book five months before you want to travel. Research on pricing trends suggests this is the ideal window for finding cheap flights from ATL to London.

  • September is the best month for nabbing an awesome deal on Hartsfield-Jackson Atlanta International Airport to London tickets. If you need to travel at a different time of year, the 'Whole month' tool will show you the lowest prices for each month.

  • You don't need to keep checking in to see if fares have dropped when you set up a Price Alert. We'll notify you as soon as there's an even bigger deal on cheap flights from ATL to London.

  • Tailor your trip with filters. Choose your preferred departure and arrival times, total journey duration and airlines. You can also sort the results by 'Cheapest,' 'Fastest' or 'Best' flights from Hartsfield-Jackson Atlanta International Airport to London.

Airports in London

London Heathrow Airport (LHR)

  • The distance from London Heathrow Airport (LHR) to central London is roughly 31 kilometers. It takes around 55 minutes to get to the center driving.

  • It takes around 1 hour to get there by public transport.

  • The last thing you need is a long journey to your hotel if you're getting in late on a flight from Hartsfield-Jackson Atlanta International Airport to London. Book one of these accommodation options near LHR instead:

  • Say yes to new adventures by picking up a London Heathrow Airport rental car. Grab your wheels from Surprice, U-Save or Green Motion and experience the lesser-explored corners of London and beyond.

  • To secure the lowest price, book your vehicle from London Heathrow Airport about one week ahead of your flight from ATL to London.

London Gatwick Airport (LGW)

  • London Gatwick Airport (LGW) is about 80 kilometers from the center of London. Following your flight from Hartsfield-Jackson Atlanta International Airport to London, it'll take you around 1 hour 20 minutes to reach the heart of the city in a ride-share or cab.

  • If you choose to travel on public transport, you'll get to the city center in 30 minutes or so.

  • Following your ATL to London flight, settle in at a hotel close to LGW. These are some comfortable accommodation options that'll help you sink into relaxation mode:

  • Green Motion, U-Save and Drivalia make collecting a London Gatwick Airport rental car simple. These providers are located in or around the terminal and will have you on your way in a heartbeat.

  • Lock in the lowest price by securing your ride from LGW three weeks in advance. You'll also have access to a wider selection of vehicles.

Stansted Airport (STN)

  • Stansted Airport (STN) is around 64 kilometers from the center of London. It'll take you about 1 hour to reach the city center by cab or ride-share once you've hopped off your flight from Hartsfield-Jackson Atlanta International Airport to London.

  • Public transport will get you there in roughly 1 hour 25 minutes.

  • Reserve a hotel near STN and go from the runway to resting in a snap. Whether you have a late ATL to London flight or just want a stress-free arrival, these accommodation options offer a quick route to a good night's sleep:

  • Whether you're looking for an economy for a solo trip or a roomy SUV to fit the whole crew comfortably, you'll find the right Stansted Airport rental car for your needs. Explore the types of wheels available here from suppliers such as Green Motion, Drivalia and Europcar.

  • If you're searching for a specific make or model, book your ride from STN about four weeks before your flight from Hartsfield-Jackson Atlanta International Airport to London. This gives you a higher chance of getting the car you want, along with a better price.

Best time to go to London

  • Travel to London during the high season if you want a busy atmosphere, but remember that prices tend to be higher. Alternatively, book your flights from Hartsfield-Jackson Atlanta International Airport to London in the low season when prices are cheaper and crowds are smaller.

  • Lock in a Hartsfield-Jackson Atlanta International Airport to London flight ticket with a departure in July if you're eager to explore the city during its warmest month. Expect temperatures to range from 11ºC (52ºF) to 26ºC (79ºF).

  • Look for cheap tickets from ATL to London in January if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between 0ºC (32ºF) and 9ºC (48ºF) on average.

More about London

  • Start your London trip off on the right foot by choosing the ideal place to stay. Once you've booked your flight from Hartsfield-Jackson Atlanta International Airport to London, browse our selection of hotels including:

  • Every great journey has to include a little sightseeing. The British Museum, Big Ben and Buckingham Palace are must-visits when exploring London.

Explore more of United Kingdom

  • Birmingham is just one of the many cities in United Kingdom waiting to be explored after you've experienced London. Around 161 kilometers away to the north-west, its top attractions include Cadbury World, The Library of Birmingham and National Sea Life Centre.

  • If you're eager to discover another well-known destination in United Kingdom, head for Bristol, roughly 177 kilometers west of London. Clifton Suspension Bridge, Cabot Tower and Brandon Hill Nature Park are key reasons to visit.

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