Cheap flights from London Heathrow Airport to Atlanta from £374

In general, February is the cheapest month to fly from London Heathrow Airport to Atlanta. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £512. If you are unable to visit Atlanta during the month of February, then departing from London Heathrow Airport during the month January is also very affordable. Most momondo users find prices during this month for around £578.

The cheapest day to depart on your flight to Atlanta is on a Wednesday when prices can be found for as low as £643. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from London Heathrow Airport because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £717.

Our most recent data shows that the best time of day to fly to Atlanta is in the afternoon. Flights from London Heathrow Airport to Atlanta during this time can be as low as £632. Try not to purchase tickets in the evening because they tend to be around £781. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from London Heathrow to Atlanta Hartsfield-Jackson for the best London Heathrow - Atlanta Hartsfield-Jackson flight prices

You are more likely to see cheaper flights to Atlanta from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Atlanta for around £634 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Atlanta from London Heathrow Airport for as low as £578 on momondo.

There are 4 cabin classes available to choose from on London Heathrow Airport to Atlanta flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

No. A direct flight is the cheapest option for a flight between London Heathrow Airport to Atlanta.

As of August 2026, prices for London Heathrow Airport to Atlanta flights are approximately 38% cheaper when compared to flights at the same time last year.

British Airways is the most popular carrier operating from London Heathrow to Atlanta Hartsfield-Jackson

Virgin Atlantic, British Airways and KLM are the top three most popular airlines that fly to Atlanta from London Heathrow Airport according to our data. Virgin Atlantic is the first choice among our users, with 57% of people opting to fly with this airline when travelling to Atlanta. Keep in mind that there are 15 different airlines that fly to Atlanta on a routine basis, so you have a few additional options to choose from.

Historically, on average around 11% of flights between London and Atlanta have experienced a delay on any given week. The average delay length over the past 12 months has been 153 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

Saturday is statistically the day of the week that experiences the fewest delays on this flight route. Wednesday has historically seen more delays on average compared to the rest of the week.

According to our data, Delta have had the fewest delays on this route over the last 12 months, with about 10% of their flights experiencing any sort of delay.

New York (JFK) was the most common stop: 42% of momondo users choosing one-stop flights on this route connected there.

Flights via Newark (EWR) offer the lowest average return price of £473.

Flights connecting via Washington, D.C. (IAD) have the shortest average one-way travel time: 12h 32m.

Washington, D.C. (IAD) has the shortest average stopover time for this route: 1h 51m.

17 flights are operational daily from London Heathrow Airport to Atlanta as of August 2026. The most popular departure time for this route is 09:00, with 60% of flights per day taking off in the afternoon.

124 flights are operational weekly from London Heathrow Airport to Atlanta as of August 2026. The most popular departure day for this route is Fri, with 23% of flights per week taking off on this day.