KLM's Economy Comfort offers 4 inches extra legroom, enhancing comfort on long-haul flights.
KLM's 787 Dreamliner reduces fatigue with lower cabin altitude, ideal for long-haul comfort.

Most accurate provider | Justfly.com 3 stars |
|---|---|
Most trusted provider | Justfly.com 3 stars |
Round-trip from | $642 (Mytrip) |
One-way from | $406 (Kiwi.com) |
Popular in | August |
Cheapest in | February |
Average price | $879 |
Good round-trip deal | $727 or less |
Good one-way deal | $778 or less |
Fly from
Fly to
Route
Depart
Return
Price
LondonAtlanta
LHR - ATL
LHRATL
London Heathrow
sáb. 12/20
3:50 pm-8:40 pm
Nonstop9h 50m
Atlanta Hartsfield-Jackson
dom. 1/4
10:00 am-8:05 am
1 stop17h 05m
LondonAtlanta
LHR - ATL
LHRATL
London Heathrow
mar. 12/9
3:50 pm-8:40 pm
Nonstop9h 50m
Atlanta Hartsfield-Jackson
vie. 2/13
7:55 pm-9:00 am
Nonstop8h 05m
LondonAtlanta
LHR - ATL
LHRATL
London Heathrow
vie. 12/26
8:55 am-1:35 pm
Nonstop9h 40m
Atlanta Hartsfield-Jackson
mar. 1/6
2:59 pm-6:50 am
1 stop10h 51m
LondonAtlanta
LHR - ATL
LHRATL
London Heathrow
vie. 12/19
4:10 pm-12:11 am
1 stop13h 01m
Atlanta Hartsfield-Jackson
jue. 1/1
12:15 pm-6:50 am
1 stop13h 35m
LondonAtlanta
LHR - ATL
LHRATL
London Heathrow
lun. 3/9
3:35 pm-9:10 pm
Nonstop9h 35m
Atlanta Hartsfield-Jackson
dom. 3/22
8:24 pm-12:00 pm
1 stop11h 36m
LondonAtlanta
LHR - ATL
LHRATL
London Heathrow
mar. 12/9
10:45 am-3:15 pm
Nonstop9h 30m
Atlanta Hartsfield-Jackson
mié. 2/11
6:45 pm-7:50 am
Nonstop8h 05m
LondonAtlanta
LHR - ATL
LHRATL
London Heathrow
jue. 12/11
3:50 pm-8:40 pm
Nonstop9h 50m
Atlanta Hartsfield-Jackson
mar. 2/10
5:30 pm-6:25 am
Nonstop7h 55m
LondonAtlanta
LHR - ATL
LHRATL
London Heathrow
sáb. 12/20
10:10 am-10:54 pm
1 stop17h 44m
Atlanta Hartsfield-Jackson
sáb. 12/27
12:35 pm-7:05 am
1 stop13h 30m
LondonAtlanta
LHR - ATL
LHRATL
London Heathrow
mié. 12/10
10:45 am-3:15 pm
Nonstop9h 30m
Atlanta Hartsfield-Jackson
dom. 2/15
5:30 pm-6:25 am
Nonstop7h 55m
LondonAtlanta
LHR - ATL
LHRATL
London Heathrow
jue. 12/18
3:50 pm-8:40 pm
Nonstop9h 50m
Atlanta Hartsfield-Jackson
sáb. 12/27
10:32 am-7:05 am
1 stop15h 33m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
To ensure you get the cheapest price possible for a flight from London Heathrow Airport to Atlanta, you should look to book at least 37 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Currently, March is the cheapest month in which you can book a flight from London Heathrow Airport to Atlanta (average of $590). Flying from London Heathrow Airport to Atlanta in July is currently the most expensive (average of $712). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Unlike in the evening, when flights are generally more expensive, you can save up to 36% on flights from London Heathrow Airport to Atlanta by exploring options for tickets at noon.
About 12% of weekly flights between London and Atlanta have experienced delays in the past year, with the average delay time being 164 minutes.
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.
Monday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Over the last year, Singapore Airlines have had the lowest number of delays on this route, with just 7% of flights being delayed.
Copenhagen (CPH) – chosen by Cheapflights users on 50% of 1-stop itineraries from London Heathrow Airport to Atlanta on Cheapflights.
Flights via Frankfurt am Main (FRA) have the shortest average one-way travel time for 1-stop routes: 12h 50m.
Flights via Frankfurt am Main (FRA) have the shortest average one-way travel time for 1-stop routes: 12h 50m.
Flights via Frankfurt am Main (FRA) offer the fastest connection on this route, with an average layover time of 1h 05m.
Entertainment
Comfort
Overall
Boarding
Crew
Food
Reviews
Jim,Nov 2025
AVL - ATL
Entertainment
Comfort
Overall
Boarding
Crew
Food
Reviews
Jim,Nov 2025
AVL - ATL
Entertainment
Comfort
Overall
Boarding
Crew
Food
Reviews
Jim,Nov 2025
AVL - ATL
Entertainment
Comfort
Overall
Boarding
Crew
Food
Reviews
Jim,Nov 2025
AVL - ATL
Entertainment
Comfort
Overall
Boarding
Crew
Food
Reviews
Jim,Nov 2025
AVL - ATL
Entertainment
Comfort
Overall
Boarding
Crew
Food
Reviews
Jim,Nov 2025
AVL - ATL
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$83 | Average$820 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$521 | Average$1,205 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$628 | Average$793 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$679 | Average$1,032 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$757 | Average$1,160 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$799 | Average$1,267 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$830 | Average$1,108 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$854 | Average$1,223 | FlexibilityNo cancel fee | On-time71% |