$344 Cheap Flights from Atlanta (ATL) to London (LHR)

View $344 flight on Fri, Sep 19, 2025Opens in a new window

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Find available prices by choosing your travel dates.

Cheap Flights from Atlanta to London (ATL-LHR)

Prices were available within the past 7 days and start at $344 for one-way flights and $436 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scandinavian Airlines
Mon, Oct 13 - Mon, Oct 20
ATL
Atlanta
LHR
London
$436 Roundtrip, just found
$436
Roundtrip
just found
Select Scandinavian Airlines flight, departing Mon, Oct 13 from Atlanta to London, returning Mon, Oct 20, priced at $436 just found
JetBlue Airways
Sun, Oct 12 - Sun, Oct 19
ATL
Atlanta
LHR
London
$565 Roundtrip, found 3 hours ago
$565
Roundtrip
found 3 hours ago
Select JetBlue Airways flight, departing Sun, Oct 12 from Atlanta to London, returning Sun, Oct 19, priced at $565 found 3 hours ago
Delta
Mon, Oct 13 - Mon, Oct 20
ATL
Atlanta
LHR
London
$658 Roundtrip, just found
$658
Roundtrip
just found
Select Delta flight, departing Mon, Oct 13 from Atlanta to London, returning Mon, Oct 20, priced at $658 just found
Lufthansa
Mon, Oct 13 - Mon, Oct 20
ATL
Atlanta
LHR
London
$686 Roundtrip, just found
$686
Roundtrip
just found
Select Lufthansa flight, departing Mon, Oct 13 from Atlanta to London, returning Mon, Oct 20, priced at $686 just found
United
Mon, Oct 13 - Mon, Oct 20
ATL
Atlanta
LHR
London
$696 Roundtrip, just found
$696
Roundtrip
just found
Select United flight, departing Mon, Oct 13 from Atlanta to London, returning Mon, Oct 20, priced at $696 just found
American Airlines
Mon, Oct 13 - Mon, Oct 20
ATL
Atlanta
LHR
London
$704 Roundtrip, just found
$704
Roundtrip
just found
Select American Airlines flight, departing Mon, Oct 13 from Atlanta to London, returning Mon, Oct 20, priced at $704 just found
British Airways
Mon, Oct 13 - Mon, Oct 20
ATL
Atlanta
LHR
London
$704 Roundtrip, just found
$704
Roundtrip
just found
Select British Airways flight, departing Mon, Oct 13 from Atlanta to London, returning Mon, Oct 20, priced at $704 just found
Virgin Atlantic
Mon, Oct 13 - Mon, Oct 20
ATL
Atlanta
LHR
London
$704 Roundtrip, just found
$704
Roundtrip
just found
Select Virgin Atlantic flight, departing Mon, Oct 13 from Atlanta to London, returning Mon, Oct 20, priced at $704 just found
Air Canada
Sun, Oct 12 - Sun, Oct 19
ATL
Atlanta
LHR
London
$704 Roundtrip, found 3 hours ago
$704
Roundtrip
found 3 hours ago
Select Air Canada flight, departing Sun, Oct 12 from Atlanta to London, returning Sun, Oct 19, priced at $704 found 3 hours ago
Air France
Mon, Oct 13 - Mon, Oct 20
ATL
Atlanta
LHR
London
$736 Roundtrip, just found
$736
Roundtrip
just found
Select Air France flight, departing Mon, Oct 13 from Atlanta to London, returning Mon, Oct 20, priced at $736 just found
Flights from Atlanta (ATL) to London (LHR)
Origin airport
Hartsfield-Jackson Atlanta Intl.
Destination airport
Heathrow
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Ethiopian Airlines, Finnair, Iberia, Icelandair, JetBlue Airways, KLM, Lufthansa, Scandinavian Airlines, Turkish Airlines, United, Virgin Atlantic
Roundtrip price
$435
Distance
4201 mi

Atlanta to London Flights

The cheapest times to fly from Atlanta 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 Atlanta to London are during the month of October. You can find some of the cheapest flights from Atlanta to London with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Atlanta to London

Sunday is one of the best days to book for cheap flights from Atlanta 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 Atlanta 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 Atlanta to London in 2025. You can also book with separate airlines for your outbound and return journeys, from $344 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 Atlanta 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 Atlanta 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 Hartsfield-Jackson Atlanta Intl. Airport (ATL) to Heathrow Airport (LHR) cost?
Book cheap return tickets starting from $810 from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to Heathrow Airport (LHR). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Virgin Atlantic flight leaving ATL on May 18 2025 and touching down at LHR. The price was last updated on April 22 2025 and has not changed since.
What is the cheapest month to fly from ATL to LHR?
The cheapest flights from ATL to LHR are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to Heathrow Airport (LHR)?
Fly straight to Heathrow Airport (LHR). 3 carriers offer nonstop flights from Hartsfield-Jackson Atlanta Intl. Airport (ATL), including:

  • Delta Air Lines
  • Virgin Atlantic
  • British Airways

What is the cheapest airline that flies from ATL to LHR?
At the moment, the cheapest airline offering one-way flights from ATL to LHR is American Airlines. You can jet off on this route from $556. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from ATL on July 16 2025. Prices were last updated on April 22 2025 and have not changed since.
How many flights per day from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to Heathrow Airport (LHR)?
Each day on average, 4 direct flights take off from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to Heathrow Airport (LHR). Select the departure date that works for you.
What are the most popular departure times for flights from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to Heathrow Airport (LHR)?
The 10 PM departures from ATL to LHR are the top choice for many travelers. Greater demand means you’ll likely pay more for these departures. If you want to save on your trip, pick a less crowded time to fly.
What day of the week has the most flights from ATL to LHR?
Friday has the most flights from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to Heathrow Airport (LHR). Consider leaving on this day and you’ll have a greater chance of finding a departure that fits your plans.
What is the earliest flight from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to Heathrow Airport (LHR)?
Catch the earliest flight at around 5:30PM UTC-5, heading out of Hartsfield-Jackson Atlanta Intl. Airport (ATL). You’ll be traveling for around 7h 50m, reaching Heathrow Airport (LHR) at approximately 6:20AM UTC+0.
How long does it take to fly from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to Heathrow Airport (LHR)?
The average flight time from ATL to LHR is 8 hours and 2 minutes, covering a total distance of 4,200 mi.
What is the best time to fly from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to Heathrow Airport (LHR)?
To reach Heathrow Airport (LHR) on time, pick a flight that leaves from Hartsfield-Jackson Atlanta Intl. Airport (ATL) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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.
What airports do you fly into for London from Hartsfield-Jackson Atlanta Intl. Airport (ATL)?
If you’ve booked a direct flight from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to London, Heathrow Airport (LHR) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to Heathrow Airport (LHR) last-minute?
Booking your plane ticket from ATL to LHR just before your journey is typically more expensive. But if there’s some wiggle room with your departure times and dates, you could snag a cheap last-minute fare.
Is it cheaper to book an ATL to LHR flight and hotel package?
You’ll generally save money by securing an ATL to LHR flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it’s easy to manage it all in one convenient place. After selecting your ideal accommodations and flights, consider adding extras including activities, car rentals and tours.
Can I cancel or change the date of my flight from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to Heathrow Airport (LHR)?
In most cases, you can cancel or reschedule your ATL to LHR flight. However, there may be additional charges, especially if you made your booking more than 24 hours ago. Check your itinerary for the airline’s guidelines and fees on flight changes, or if you need more details, head to our Customer Service portal.

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*Available to One Key members.