What day of the week experiences the fewest flight delays on this route?

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

What is the most punctual flight time for Atlanta to London flights?

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

Which layover airport offers the lowest fares from Atlanta to London?

Flights via New York (JFK) offer the lowest average round-trip price of $440.

What is the cheapest airline that flies from Atlanta Hartsfield-Jackson to London?

British Airways and JetBlue are the most popular carriers operating from Atlanta Hartsfield-Jackson to London

Which layover airport has the shortest travel time from Atlanta to London?

Flights connecting via Toronto (YYZ) have the shortest average one-way travel time: 11h 27m.

How often are flights from Atlanta to London delayed?

Historically, on average around 19% of flights between Atlanta and London have experienced a delay on any given week. The average delay length over the past 12 months has been 135 minutes.

What airlines fly to London?

Delta, British Airways and Virgin Atlantic are the top three most popular airlines that fly to London from Atlanta according to our data. Delta is the first choice among our users, with 46% of people opting to fly with this airline when traveling to London. Keep in mind that there are 14 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

Which airport is the most popular layover for flights between Atlanta and London?

Copenhagen (CPH) was the most common stop: 41% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest connection time from Atlanta to London?

Frankfurt am Main (FRA) has the shortest average layover time for this route: 1h 05m.

How many flights depart from Atlanta to London on average per week?

The number of flights available between Atlanta and London is 159 per week as of January 2026. The most frequent departure day is Wed, with 15% of weekly flights leaving on this day.

Which airline has the best punctuality record on Atlanta to London flights?

According to our data, Virgin Atlantic have had the least number of delays on this route over the last 12 months; with about 11% of their flights experiencing any sort of delay.

How many flights depart from Atlanta to London on average per day?

The number of flights available between Atlanta and London is 22 per day as of January 2026. The most frequent departure time is 10:00PM, with 82% of daily flights leaving in the evening.

When did momondo last update prices for flights from Atlanta Hartsfield-Jackson Airport to London?

Prices for flights from Atlanta Hartsfield-Jackson Airport to London are refreshed on a daily basis.

How many operators does momondo search for flights from Atlanta Hartsfield-Jackson Airport to London?

As of January 2026, there are 14 operators available to choose from for flights from Atlanta Hartsfield-Jackson Airport to London.

How old do you have to be to fly from Atlanta Hartsfield-Jackson Airport to London?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Atlanta Hartsfield-Jackson Airport to London.

What documentation or ID do you need to fly to London?

The required travel and health documents for your London trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$265 Cheap Flights from Atlanta to London in 2026

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6:30 am - 7:10 am

ATL

LHR

19h 40m2 stops

7:25 pm - 9:43 pm

LHR

ATL

31h 18m2 stops

$628Air Canada

Mon, Jan 19 - Mon, Jan 26

1:17 pm - 12:50 pm

ATL

LHR

18h 33m1 stop

4:10 pm - 8:35 pm

LHR

ATL

9h 25mnonstop

$630British Airways

Tue, Apr 7 - Tue, Apr 14

8:50 pm - 9:00 am

ATL

LHR

8h 10mnonstop

9:20 am - 1:45 pm

LHR

ATL

9h 25mnonstop

$631Delta

Tue, Mar 17 - Tue, Mar 31

3:00 pm - 7:00 pm

ATL

LGW

23h 00m2 stops

11:45 am - 7:18 pm

LGW

ATL

36h 33m2 stops

$631British Airways

Mon, Feb 2 - Tue, Feb 17

9:37 am - 6:00 am

ATL

LGW

15h 23m1 stop

9:40 pm - 9:19 am

LGW

ATL

40h 39m2 stops

$632Multiple Airlines

Wed, Feb 4 - Sun, Feb 15

4:55 pm - 9:45 am

ATL

LHR

11h 50m1 stop

9:00 am - 9:15 pm

LHR

ATL

17h 15m2 stops

$633Multiple Airlines

Wed, Jan 21 - Tue, Jan 27

2:59 pm - 6:50 am

ATL

LHR

11h 51m1 stop

8:55 am - 2:35 pm

LHR

ATL

9h 40mnonstop

$636Delta

Wed, Mar 18 - Fri, Mar 27

7:25 pm - 5:40 pm

ATL

LHR

17h 15m1 stop

7:50 pm - 5:25 pm

LHR

ATL

26h 35m2 stops

$637Scandinavian Airlines

Tue, Mar 31 - Wed, Apr 8

3:50 pm - 9:30 am

ATL

LCY

12h 40m1 stop

7:45 am - 8:45 pm

LCY

ATL

18h 00m1 stop

$658Virgin Atlantic

Sun, Jan 18 - Tue, Jan 27

3:50 pm - 8:10 am

ATL

LCY

11h 20m1 stop

9:20 am - 8:45 pm

LCY

ATL

16h 25m1 stop

$660Virgin Atlantic

Sun, Jan 18 - Tue, Jan 27

Lufthansa flights from Atlanta to London

Our best Lufthansa deals on Atlanta to London flight tickets

Lufthansa

Jan 21

ATL1:15 pmAtlanta Hartsfield-Jackson

11h 40m

1 stop

LHR5:55 amLondon Heathrow

Jan 26

LHR6:30 amLondon Heathrow

13h 00m

1 stop

ATL2:30 pmAtlanta Hartsfield-Jackson

$655

Lufthansa

Jan 15

ATL2:40 pmAtlanta Hartsfield-Jackson

11h 00m

1 stop

LHR6:40 amLondon Heathrow

Jan 22

LHR12:05 pmLondon Heathrow

12h 54m

1 stop

ATL7:59 pmAtlanta Hartsfield-Jackson

$656

Lufthansa

Jan 14

ATL1:15 pmAtlanta Hartsfield-Jackson

11h 40m

1 stop

LHR5:55 amLondon Heathrow

Apr 10

LHR6:30 amLondon Heathrow

12h 15m

1 stop

ATL1:45 pmAtlanta Hartsfield-Jackson

$660

Scandinavian Airlines flights from Atlanta to London

Our best Scandinavian Airlines deals on Atlanta to London flight tickets

Scandinavian Airlines

Mar 31

ATL7:25 pmAtlanta Hartsfield-Jackson

17h 15m

1 stop

LHR5:40 pmLondon Heathrow

Apr 8

LHR7:50 pmLondon Heathrow

26h 35m

2 stops

ATL5:25 pmAtlanta Hartsfield-Jackson

$637

Scandinavian Airlines

Jan 17

ATL8:00 pmAtlanta Hartsfield-Jackson

15h 00m

1 stop

LHR4:00 pmLondon Heathrow

Apr 7

LHR6:40 amLondon Heathrow

15h 45m

1 stop

ATL5:25 pmAtlanta Hartsfield-Jackson

$643

Scandinavian Airlines

Feb 13

ATL8:00 pmAtlanta Hartsfield-Jackson

32h 20m

1 stop

LHR9:20 amLondon Heathrow

Feb 21

LHR6:40 amLondon Heathrow

15h 45m

2 stops

ATL5:25 pmAtlanta Hartsfield-Jackson

$644

Fly from

Fly to

Route

Depart

Return

Price

AtlantaLondon

ATL - LHR

ATLLHR

Atlanta Hartsfield-Jackson

Mon 1/19

6:30 am-7:10 am

2 stops19h 40m

London Heathrow

Mon 1/26

7:25 pm-9:43 pm

2 stops31h 18m

$628

AtlantaLondon

ATL - LHR

ATLLHR

Atlanta Hartsfield-Jackson

Tue 4/7

1:17 pm-12:50 pm

1 stop18h 33m

London Heathrow

Tue 4/14

4:10 pm-8:35 pm

Nonstop9h 25m

$630

AtlantaLondon

ATL - LHR

ATLLHR

Atlanta Hartsfield-Jackson

Tue 3/17

8:50 pm-9:00 am

Nonstop8h 10m

London Heathrow

Tue 3/31

9:20 am-1:45 pm

Nonstop9h 25m

$631

AtlantaLondon

ATL - LGW

ATLLGW

Atlanta Hartsfield-Jackson

Mon 2/2

3:00 pm-7:00 pm

2 stops23h 00m

London Gatwick

Tue 2/17

11:45 am-7:18 pm

2 stops36h 33m

$631

AtlantaLondon

ATL - LGW

ATLLGW

Atlanta Hartsfield-Jackson

Wed 2/4

9:37 am-6:00 am

1 stop15h 23m

London Gatwick

Sun 2/15

9:40 pm-9:19 am

2 stops40h 39m

$632

AtlantaLondon

ATL - LHR

ATLLHR

Atlanta Hartsfield-Jackson

Wed 1/21

4:55 pm-9:45 am

1 stop11h 50m

London Heathrow

Tue 1/27

9:00 am-9:15 pm

2 stops17h 15m

$633

AtlantaLondon

ATL - LHR

ATLLHR

Atlanta Hartsfield-Jackson

Wed 3/18

2:59 pm-6:50 am

1 stop11h 51m

London Heathrow

Fri 3/27

8:55 am-2:35 pm

Nonstop9h 40m

$636

AtlantaLondon

ATL - LHR

ATLLHR

Atlanta Hartsfield-Jackson

Tue 3/31

7:25 pm-5:40 pm

1 stop17h 15m

London Heathrow

Wed 4/8

7:50 pm-5:25 pm

2 stops26h 35m

$637

AtlantaLondon

ATL - LCY

ATLLCY

Atlanta Hartsfield-Jackson

Sun 1/18

3:50 pm-9:30 am

1 stop12h 40m

London City

Tue 1/27

7:45 am-8:45 pm

1 stop18h 00m

$658

AtlantaLondon

ATL - LCY

ATLLCY

Atlanta Hartsfield-Jackson

Sun 1/18

3:50 pm-8:10 am

1 stop11h 20m

London City

Tue 1/27

9:20 am-8:45 pm

1 stop16h 25m

$660

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How to get the cheapest flight ticket from Atlanta to London

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Delays

Layovers

Other information

What is the cheapest month to fly to London?

The cheapest month to fly to London from Atlanta is in October. Flight prices, which tend to average around $675, are often lower during this time because this is during the off-season. The month of November is another great option to travel to London, with average flight prices from Atlanta averaging around $715.

What is the cheapest day to depart on your flight to London?

The cheapest day to depart from Atlanta to London is on a Wednesday. Travelers who choose to depart for London on a Wednesday will often find tickets for as low as $824. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $968. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.

What is the cheapest time of day to depart on your flight to London?

Flying to London from Atlanta in the evening is the least expensive time of day to depart. momondo users have found prices as low as $859 when looking at flights departing in the evening. Flights to London are more costly in the afternoon, with an average ticket price of $942. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Atlanta Hartsfield-Jackson to London flight route?

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

How far in advance should I book a flight to London?

You are more likely to see cheaper flights to London from Atlanta when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around $867 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Atlanta for as low as $794 on momondo.

What cabin class options are available on Atlanta Hartsfield-Jackson to London flights?

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

How have Atlanta to London flight prices changed over time?

As of January 2026, prices for Atlanta to London flights are approximately 24% cheaper when compared to flights at the same time last year.

When to book flights from Atlanta to London

Are you open to changing your travel dates? Check out the ideal times to fly from Atlanta to London according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Atlanta to London (ATL to LON) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Atlanta to London

Best Price Found	$394
Fastest flight time	7h 55m
Direct flights	Mon, Tue, Wed, Thu, Fri and Sat
Airports in London	6 airports

The best one-way flight to London from Atlanta in the past 72 hours is $394. The best round-trip flight deal from Atlanta to London found on momondo in the last 72 hours is $737.

The fastest flight from Atlanta to London takes 7h 55m

Direct flights go from Atlanta to London on Monday, Tuesday, Wednesday, Thursday, Friday and Saturday. There are no airlines offering direct flights.

There are 6 airports in London. From Atlanta there are direct flights to London Heathrow (LHR).

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How far is Atlanta Hartsfield-Jackson to London by plane?
The distance between Atlanta Hartsfield-Jackson and London is about 4203.7 mi. By plane, this route typically takes 7h 55m.
When did momondo last update prices for flights from Atlanta Hartsfield-Jackson Airport to London?
Prices for flights from Atlanta Hartsfield-Jackson Airport to London are refreshed on a daily basis.
How many operators does momondo search for flights from Atlanta Hartsfield-Jackson Airport to London?
As of January 2026, there are 14 operators available to choose from for flights from Atlanta Hartsfield-Jackson Airport to London.
How old do you have to be to fly from Atlanta Hartsfield-Jackson Airport to London?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Atlanta Hartsfield-Jackson Airport to London.
What documentation or ID do you need to fly to London?
The required travel and health documents for your London trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Atlanta to London?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Atlanta to London is Airbus A350-1000 (27.39% of total bookings). The next most popular plane models are Boeing 777 (22.71%), Airbus A330-200 (19.67%), and Boeing 767-400 (18.89%).
What is the most popular airline from Atlanta to London?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Atlanta to London is Delta (34% of total bookings). The next most popular airlines are British Airways (19%), Virgin Atlantic (15%), and JetBlue (7%).

Best airlines flying from Atlanta to London

Compare and see reviews for airlines that fly from Atlanta to London with momondo

Airline	Rating	Free Cancellation	Price
JetBlue	PriceFrom $51	Free Cancellation	Rating 7.2 2,892 reviews	Search JetBlue flights
Scandinavian Airlines	PriceFrom $427	Free Cancellation	Rating 7.3 1,637 reviews	Search Scandinavian Airlines flights
Delta	PriceFrom $486	Free Cancellation	Rating 7.9 8,032 reviews	Search Delta flights
British Airways	PriceFrom $515	Free Cancellation	Rating 6.7 7,659 reviews	Search British Airways flights
Iberia	PriceFrom $565	Free Cancellation	Rating 7.0 3,079 reviews	Search Iberia flights
American Airlines	PriceFrom $573	Free Cancellation	Rating 7.2 11,097 reviews	Search American Airlines flights
Air France	PriceFrom $576	Free Cancellation	Rating 7.4 1,519 reviews	Search Air France flights
Lufthansa	PriceFrom $594	Free Cancellation	Rating 6.8 7,698 reviews	Search Lufthansa flights
Air Canada	PriceFrom $596	Free Cancellation	Rating 7.1 10,603 reviews	Search Air Canada flights
Virgin Atlantic	PriceFrom $602	Free Cancellation	Rating 7.5 678 reviews	Search Virgin Atlantic flights

Delta Flights From Atlanta to London
Delta flies from Atlanta to London around 25 times per week, with 8,032 momondo users rating the airline 7.9/10. The cheapest Delta deal from Atlanta to London in the last 72 hours was $486 (round-trip), much lower than the average airfare cost of $1,055 for Delta flights on this route.
KLM Flights From Atlanta to London
The best KLM deal for Atlanta to London flight tickets found on momondo in the last 72 hours was $686, round-trip. It should be noted that an average KLM flight deal for this route in this time was higher, at $902 round-trip. KLM operates 28 flights out of Atlanta into London in an average week, so prices vary by time and availability. 1,434 KLM reviews by users on momondo have scored the airline at 7.7/10.

Gatwick

Luton

Hounslow

Milton Keynes

Dover

Slough

Guildford

Hayes

Crawley

Dartford

Brentwood

Watford

Wembley

Cobham

Folkestone

Romford

Richmond

Uxbridge

Chelmsford

Stansted

Why use momondo?

Why should I use momondo to find a flight deal from Atlanta to London?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Atlanta to London. momondo saves you time and could save you money on your trip.

Can I find flights from Atlanta to London with flexible booking policies on momondo?

Yes. All flights to London from Atlanta on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Atlanta to London?

momondo helps you find the best flight between Atlanta and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Atlanta to London right now. Can momondo alert me if prices change?

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Atlanta and alert you when they change.

An easier way to manage your London trip

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Cheap flights from Atlanta to London from $265

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Atlanta to London departing on 2/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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See travel insights to London from

How to get the cheapest flight ticket from Atlanta to London

What is the cheapest month to fly to London?

What is the cheapest day to depart on your flight to London?

What is the cheapest time of day to depart on your flight to London?

What is the cheapest Atlanta Hartsfield-Jackson to London flight route?

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

How far in advance should I book a flight to London?

What cabin class options are available on Atlanta Hartsfield-Jackson to London flights?

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

How have Atlanta to London flight prices changed over time?

As of January 2026, prices for Atlanta to London flights are approximately 24% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from Atlanta Hartsfield-Jackson to London?

British Airways and JetBlue are the most popular carriers operating from Atlanta Hartsfield-Jackson to London

What airlines fly to London?

How often are flights from Atlanta to London delayed?

Historically, on average around 19% of flights between Atlanta and London have experienced a delay on any given week. The average delay length over the past 12 months has been 135 minutes.

What is the most punctual flight time for Atlanta to London flights?

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

What day of the week experiences the fewest flight delays on this route?

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

Which airline has the best punctuality record on Atlanta to London flights?

According to our data, Virgin Atlantic have had the least number of delays on this route over the last 12 months; with about 11% of their flights experiencing any sort of delay.

Which airport is the most popular layover for flights between Atlanta and London?

Copenhagen (CPH) was the most common stop: 41% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Atlanta to London?

Flights via New York (JFK) offer the lowest average round-trip price of $440.

Which layover airport has the shortest travel time from Atlanta to London?

Flights connecting via Toronto (YYZ) have the shortest average one-way travel time: 11h 27m.

Which layover airport has the shortest connection time from Atlanta to London?

Frankfurt am Main (FRA) has the shortest average layover time for this route: 1h 05m.

How many flights depart from Atlanta to London on average per day?

The number of flights available between Atlanta and London is 22 per day as of January 2026. The most frequent departure time is 10:00PM, with 82% of daily flights leaving in the evening.

How many flights depart from Atlanta to London on average per week?

The number of flights available between Atlanta and London is 159 per week as of January 2026. The most frequent departure day is Wed, with 15% of weekly flights leaving on this day.

When to book flights from Atlanta to London

Cheap Atlanta to London (ATL to LON) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Atlanta to London

Best Price Found

Fastest flight time

Direct flights

Airports in London

How far is Atlanta Hartsfield-Jackson to London by plane?

When did momondo last update prices for flights from Atlanta Hartsfield-Jackson Airport to London?

How many operators does momondo search for flights from Atlanta Hartsfield-Jackson Airport to London?

How old do you have to be to fly from Atlanta Hartsfield-Jackson Airport to London?

What documentation or ID do you need to fly to London?

What is the most popular plane model from Atlanta to London?

What is the most popular airline from Atlanta to London?

Best airlines flying from Atlanta to London

Compare and see reviews for airlines that fly from Atlanta to London with momondo

Delta Flights From Atlanta to London

KLM Flights From Atlanta to London

Traveling to a place near London?

Why use momondo?

Why should I use momondo to find a flight deal from Atlanta to London?

Can I find flights from Atlanta to London with flexible booking policies on momondo?

How can momondo help me find flights from Atlanta to London?

I’m not ready to book a flight from Atlanta to London right now. Can momondo alert me if prices change?