The cheapest times to fly from ATL to LHR are

  • January 8th to March 25th
  • April 16th to May 6th
  • September 17th to December 9th

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from ATL to LHR is late November to early December. Prices can be as high as $1277 for Saturday flights during late June, or as low as $658 for Tuesday flights around late November to early December.


When to Fly to London

Flying from Atlanta, GA (ATL) to London (LHR) will usually cost between $671 to $1128 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late November to early December with an average ticket price of $691. Due to high demand the most expensive time to fly is late June, with an average price of $1128. Planning your trip to low-cost times can easily save you $436 on economy flights and even more on first-class flights. Generally, any price below $743 can be considered a good price for a round-trip ATL to LHR flight.

See below for a graph of average weekly prices for the ATL to LHR route. All prices are for round-trip tickets in USD.

ATL to LHR Flight Prices

Compared to other flights, the ATL to LHR flight is cheaper than the average and costs less than the average flight leaving from Atlanta. The average price per mile (for a direct flight) is $0.11, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to fly to LHR, and Wednesday the cheapest day to fly back into ATL. Saturdays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $94 (10%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $760. Return trip prices are from the LHR to ATL flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from ATL to LHR can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 8 hour 32 minutes may be realistic.


Flight Hacking ATL to LHR

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from ATL to LHR — but Champion Traveler does!

Hack #1: Boston, MA (ATL > BOS > LHR)

  • Price for both tickets: $538
  • Average savings: $205 (27.59%)

See ATL to BOS flights

Hack #2: Orlando, FL (ATL > MCO > LHR)

  • Price for both tickets: $563
  • Average savings: $181 (24.29%)

See ATL to MCO flights

Hack #3: New York, NY (ATL > JFK > LHR)

  • Price for both tickets: $573
  • Average savings: $171 (22.95%)

See ATL to JFK flights


Flight Questions Answered

Still have questions about flying from ATL to LHR? We’ve got answers.

Which airlines fly this route?

You can find 24 major airlines flying this route most often: Aer Lingus, Aeromexico, Air Canada, Air France, Alitalia, American, Austrian, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, JetBlue, KLM, LOT, Lufthansa, SAS, Singapore Airlines, SWISS, Tap Air Portugal, Turkish Airlines, United, Virgin Atlantic, and potentially more during busy seasons.

How far away is it from London Heathrow Airport to Hartsfield-Jackson Atlanta International Airport?

The distance between the two airports is roughly 4200 miles or 6759 kilometers.

How long does it take to fly from ATL to LHR?

The real-world flight time for a nonstop ATL to LHR flight is about 8 hour 32 minutes.

How many flights go between Atlanta, GA and London?

It depends on the day of the week and the date, but a typical day might have around 78 available flights from ATL to LHR.


Airport Location Info


Departing Airport

Origination code ATL
Origination airport name Hartsfield-Jackson Atlanta International Airport
City Atlanta, GA
Country the United States
Latitude 33.6
Longitude -84.4

Return Airport

Destination code LHR
Destination airport name London Heathrow Airport
City London
Country the United Kingdom
Latitude 51.5
Longitude -0.5


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.