KLM's Economy Comfort offers 4 extra inches of legroom, enhancing comfort significantly.
KLM's business class features lie-flat seats with direct aisle access on most aircraft.

Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $639 (The Travel House) |
One-way from | $518 (Norse) |
Popular in | July |
Cheapest in | February |
Average price | $1,008 |
Good round-trip deal | $677 or less |
Good one-way deal | $688 or less |
Fly from
Fly to
Route
Depart
Return
Price
LondonAtlanta
LHR - ATL
LHRATL
London Heathrow
Fri 2/6
3:35 pm-8:10 pm
Nonstop9h 35m
Atlanta Hartsfield-Jackson
Fri 2/13
4:28 pm-7:50 am
1 stop10h 22m
LondonAtlanta
STN - ATL
STNATL
London Stansted
Sun 2/22
12:00 pm-5:25 pm
2 stops34h 25m
Atlanta Hartsfield-Jackson
Thu 2/26
8:00 pm-11:20 pm
3 stops22h 20m
LondonAtlanta
LGW - ATL
LGWATL
London Gatwick
Thu 1/22
2:00 pm-10:24 am
2 stops25h 24m
Atlanta Hartsfield-Jackson
Fri 1/23
3:26 pm-3:45 pm
3 stops19h 19m
LondonAtlanta
LHR - ATL
LHRATL
London Heathrow
Mon 3/2
11:15 am-11:59 pm
1 stop17h 44m
Atlanta Hartsfield-Jackson
Thu 4/30
10:30 pm-11:45 am
Nonstop8h 15m
LondonAtlanta
LHR - ATL
LHRATL
London Heathrow
Mon 2/9
3:35 pm-8:10 pm
Nonstop9h 35m
Atlanta Hartsfield-Jackson
Sun 2/22
10:10 pm-11:15 am
Nonstop8h 05m
LondonAtlanta
LHR - ATL
LHRATL
London Heathrow
Sun 4/5
4:10 pm-8:35 pm
Nonstop9h 25m
Atlanta Hartsfield-Jackson
Wed 4/29
10:30 pm-11:45 am
Nonstop8h 15m
LondonAtlanta
LHR - ATL
LHRATL
London Heathrow
Thu 4/9
4:10 pm-8:35 pm
Nonstop9h 25m
Atlanta Hartsfield-Jackson
Thu 4/30
10:30 pm-11:45 am
Nonstop8h 15m
LondonAtlanta
LHR - ATL
LHRATL
London Heathrow
Thu 4/9
4:10 pm-8:35 pm
Nonstop9h 25m
Atlanta Hartsfield-Jackson
Wed 4/29
10:30 pm-11:45 am
Nonstop8h 15m
LondonAtlanta
LHR - ATL
LHRATL
London Heathrow
Fri 4/10
4:10 pm-8:35 pm
Nonstop9h 25m
Atlanta Hartsfield-Jackson
Wed 4/22
10:30 pm-11:45 am
Nonstop8h 15m
LondonAtlanta
LHR - ATL
LHRATL
London Heathrow
Fri 4/10
4:10 pm-8:35 pm
Nonstop9h 25m
Atlanta Hartsfield-Jackson
Thu 4/23
10:30 pm-11:45 am
Nonstop8h 15m
| 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 Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
The best time to book flights from London to Atlanta is 39 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Currently, October is the cheapest month in which you can book a flight from London to Atlanta (average of $121). Flying from London to Atlanta in January is currently the most expensive (average of $626). 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.
A simple way to save on the total cost of your ticket is to fly from London to Atlanta at noon. If you’re flexible enough to do this you can expect to save up to 40% on your trip compared to booking a flight in the evening.
The most flights from LON to ATL are scheduled on a Monday (24 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (23 on average).
Boston (BOS) – chosen by Cheapflights users on 55% of 1-stop itineraries from London to Atlanta on Cheapflights.
Copenhagen (CPH) is the most affordable 1-stop option, with an average round-trip price of $690.
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.
About 11% of weekly flights between London and Atlanta have experienced delays in the past year, with the average delay time being 163 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, Virgin Atlantic have had the lowest number of delays on this route, with just 8% of flights being delayed.
Comfort
Boarding
Crew
Entertainment
Food
Overall
Reviews
Jim,Nov 2025
AVL - ATL
Comfort
Boarding
Crew
Entertainment
Food
Overall
Reviews
Jim,Nov 2025
AVL - ATL
Comfort
Boarding
Crew
Entertainment
Food
Overall
Reviews
Jim,Nov 2025
AVL - ATL
Comfort
Boarding
Crew
Entertainment
Food
Overall
Reviews
Jim,Nov 2025
AVL - ATL
Comfort
Boarding
Crew
Entertainment
Food
Overall
Reviews
Jim,Nov 2025
AVL - ATL
Comfort
Boarding
Crew
Entertainment
Food
Overall
Reviews
Jim,Nov 2025
AVL - ATL
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$83 | Average$862 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$521 | Average$1,205 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$628 | Average$790 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$665 | Average$1,185 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$679 | Average$963 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$686 | Average$984 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$766 | Average$1,164 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$830 | Average$1,108 | FlexibilityNo cancel fee | On-time77% |