The cheapest times to fly from ATL to LGW are

  • January 1st to March 25th (except the week of March 12th)
  • September 10th to December 16th

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 LGW is late January. Prices can be as high as $1336 for Saturday flights during mid July, or as low as $627 for Tuesday flights around late January.


When to Fly to London

Flying from Atlanta, GA (ATL) to London (LGW) will usually cost between $698 to $1163 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late January with an average ticket price of $692. Due to high demand the most expensive time to fly is mid July, with an average price of $1175. Planning your trip to low-cost times can easily save you $483 on economy flights and even more on first-class flights. Generally, any price below $845 can be considered a good price for a round-trip ATL to LGW flight.

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

ATL to LGW Flight Prices

Compared to other flights, the ATL to LGW 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 $0.12, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Saturdays are the most expensive days to fly to London, and Fridays are the most expensive days to return to Atlanta. Selecting flights on the least expensive days could save you up to $98 (11%) 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 $808. Return trip prices are from the LGW 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 LGW can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 8 hour 34 minutes may not be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from ATL to LGW while comparing.

Destination alternative #1: London Heathrow Airport (LHR) in London

  • 25 miles (40 km) away from LGW
  • Usually 12.07% less expensive than LGW
  • Nonstop flights available

See ATL to LHR flights


Flight Hacking ATL to LGW

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 LGW — but Champion Traveler does!

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

  • Price for both tickets: $532
  • Average savings: $314 (37.1%)

See ATL to BOS flights

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

  • Price for both tickets: $534
  • Average savings: $312 (36.86%)

See ATL to MCO flights

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

  • Price for both tickets: $557
  • Average savings: $288 (34.08%)

See ATL to JFK flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 20 major airlines flying this route most often: Aer Lingus, Aeromexico, Air Canada, Air France, American, British Airways, Brussels Airlines, Delta, Emirates, Finnair, Iberia, Icelandair, JetBlue, KLM, Lufthansa, Tap Air Portugal, Turkish Airlines, United, Virgin Atlantic, WestJet, and potentially more during busy seasons.

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

The distance between the two airports is roughly 4218 miles or 6788 kilometers.

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

The real-world flight time for a nonstop ATL to LGW flight is about 8 hour 34 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 55 available flights from ATL to LGW.


Airport Location Info


Departing Airport

Origination codeATL
Origination airport nameHartsfield-Jackson Atlanta International Airport
CityAtlanta, GA
Countrythe United States

Return Airport

Destination codeLGW
Destination airport nameLondon Gatwick Airport
Countrythe United Kingdom


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.