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

According to our data, Aeromexico have had the least number of delays on this route over the last 12 months; with about 15% of their flights experiencing any sort of delay.

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

Frankfurt am Main (FRA) has the shortest average layover time for this route: 1h 34m.

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

Flights connecting via Frankfurt am Main (FRA) have the shortest average one-way travel time: 12h 13m.

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

Istanbul (IST) was the most common stop: 42% of momondo users choosing 1-stop flights on this route connected there.

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

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 Heathrow?

WestJet and JetBlue are the most popular carriers operating from Atlanta Hartsfield-Jackson to London Heathrow

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

The number of flights available between Atlanta and London Heathrow Airport is 161 per week as of November 2025. The most frequent departure day is Wed, with 15% of weekly flights leaving on this day.

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

Monday 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.

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

The number of flights available between Atlanta and London Heathrow Airport is 23 per day as of November 2025. The most frequent departure time is 10:00PM, with 86% of daily flights leaving in the evening.

How often are flights from Atlanta to London delayed?

Historically, on average around 21% 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 141 minutes.

What airlines fly to London Heathrow Airport?

Delta, British Airways and Virgin Atlantic are the top three most popular airlines that fly to London Heathrow Airport from Atlanta according to our data. Delta is the first choice among our users, with 44% of people opting to fly with this airline when traveling to London Heathrow Airport. Keep in mind that there are 15 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.

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.

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

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

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

As of November 2025, there are 15 operators available to choose from for flights from Atlanta Hartsfield-Jackson Airport to London Heathrow Airport.

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

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 Heathrow Airport.

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

The required travel and health documents for your London Heathrow Airport 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 Heathrow Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$244 Cheap Flights from Atlanta to London Heathrow Airport in 2025/26

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8:00 pm - 4:25 pmATL-LHR

15h 25m2 stops

6:40 am - 5:25 pmLHR-ATL

15h 45m2 stops

$554Scandinavian Airlines

Find Deal

Mon, Jan 12 - Fri, Jan 16

8:00 pm - 6:30 pmATL-LHR

17h 30m2 stops

6:40 am - 5:25 pmLHR-ATL

15h 45m1 stop

$556Scandinavian Airlines

Find Deal

Fri, Feb 13 - Sat, Feb 21

8:00 pm - 4:25 pmATL-LHR

15h 25m2 stops

6:05 pm - 6:25 pmLHR-ATL

52h 20m2 stops

$558Scandinavian Airlines

Find Deal

Thu, Mar 5 - Tue, Mar 10

8:00 pm - 4:00 pmATL-LHR

15h 00m1 stop

10:35 am - 9:40 pmLHR-ATL

16h 05m2 stops

$560Scandinavian Airlines

Find Deal

Fri, Dec 5 - Mon, Dec 15

7:25 pm - 9:40 pmATL-LHR

21h 15m1 stop

7:05 am - 5:25 pmLHR-ATL

15h 20m2 stops

$561Scandinavian Airlines

Find Deal

Thu, Apr 23 - Thu, Apr 30

3:50 pm - 9:00 amATL-LHR

12h 10m1 stop

8:25 pm - 1:35 pmLHR-ATL

22h 10m1 stop

$586Virgin Atlantic

Find Deal

Tue, Nov 18 - Mon, Mar 2

4:55 pm - 10:45 amATL-LHR

12h 50m1 stop

6:30 am - 2:30 pmLHR-ATL

13h 00m1 stop

$589Lufthansa

Find Deal

Sun, Dec 7 - Tue, Dec 16

4:55 pm - 9:45 amATL-LHR

11h 50m1 stop

6:30 am - 2:30 pmLHR-ATL

13h 00m1 stop

$597Lufthansa

Find Deal

Wed, Dec 3 - Thu, Dec 11

12:55 pm - 7:10 amATL-LHR

13h 15m1 stop

6:50 am - 9:53 pmLHR-ATL

20h 03m2 stops

$602Air Canada

Find Deal

Wed, Nov 26 - Thu, Dec 4

6:40 pm - 7:50 amATL-LHR

8h 10mnonstop

8:40 am - 8:45 pmLHR-ATL

17h 05m1 stop

$604Delta

Find Deal

Wed, Nov 26 - Tue, Dec 9

Scandinavian Airlines flights from Atlanta to London Heathrow Airport

Our best Scandinavian Airlines deals on Atlanta to London Heathrow Airport flight tickets

Scandinavian Airlines

Jan 12

ATL8:00 pmAtlanta Hartsfield-Jackson

15h 25m

2 stops

LHR4:25 pmLondon Heathrow

Jan 16

LHR6:40 amLondon Heathrow

15h 45m

2 stops

ATL5:25 pmAtlanta Hartsfield-Jackson

$554

Find similar

Scandinavian Airlines

Feb 13

ATL8:00 pmAtlanta Hartsfield-Jackson

17h 30m

2 stops

LHR6:30 pmLondon Heathrow

Feb 21

LHR6:40 amLondon Heathrow

15h 45m

1 stop

ATL5:25 pmAtlanta Hartsfield-Jackson

$556

Find similar

Scandinavian Airlines

Mar 5

ATL8:00 pmAtlanta Hartsfield-Jackson

15h 25m

2 stops

LHR4:25 pmLondon Heathrow

Mar 10

LHR6:05 pmLondon Heathrow

52h 20m

2 stops

ATL6:25 pmAtlanta Hartsfield-Jackson

$558

Find similar

Air Canada flights from Atlanta to London Heathrow Airport

Our best Air Canada deals on Atlanta to London Heathrow Airport flight tickets

Air Canada

Nov 18

ATL12:55 pmAtlanta Hartsfield-Jackson

13h 15m

1 stop

LHR7:10 amLondon Heathrow

Mar 2

LHR11:05 amLondon Heathrow

39h 48m

2 stops

ATL9:53 pmAtlanta Hartsfield-Jackson

$581

Find similar

Air Canada

Nov 26

ATL12:55 pmAtlanta Hartsfield-Jackson

13h 15m

1 stop

LHR7:10 amLondon Heathrow

Dec 4

LHR6:50 amLondon Heathrow

20h 03m

2 stops

ATL9:53 pmAtlanta Hartsfield-Jackson

$602

Find similar

Air Canada

Nov 11

ATL12:55 pmAtlanta Hartsfield-Jackson

13h 15m

1 stop

LHR7:10 amLondon Heathrow

Dec 12

LHR1:25 pmLondon Heathrow

13h 28m

1 stop

ATL9:53 pmAtlanta Hartsfield-Jackson

$606

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momondo Fare Finder

Use the filters below to find and compare flights from Atlanta to London Heathrow Airport that are best for you.

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Route

Depart

Return

Price

AtlantaLondon

ATL - LHR

ATLLHR

Atlanta Hartsfield-Jackson

Mon 1/12

8:00 pm-4:25 pm

2 stops15h 25m

London Heathrow

Fri 1/16

6:40 am-5:25 pm

2 stops15h 45m

$554

AtlantaLondon

ATL - LHR

ATLLHR

Atlanta Hartsfield-Jackson

Fri 2/13

8:00 pm-6:30 pm

2 stops17h 30m

London Heathrow

Sat 2/21

6:40 am-5:25 pm

1 stop15h 45m

$556

AtlantaLondon

ATL - LHR

ATLLHR

Atlanta Hartsfield-Jackson

Thu 3/5

8:00 pm-4:25 pm

2 stops15h 25m

London Heathrow

Tue 3/10

6:05 pm-6:25 pm

2 stops52h 20m

$558

AtlantaLondon

ATL - LHR

ATLLHR

Atlanta Hartsfield-Jackson

Fri 12/5

8:00 pm-4:00 pm

1 stop15h 00m

London Heathrow

Mon 12/15

10:35 am-9:40 pm

2 stops16h 05m

$560

AtlantaLondon

ATL - LHR

ATLLHR

Atlanta Hartsfield-Jackson

Thu 4/23

7:25 pm-9:40 pm

1 stop21h 15m

London Heathrow

Thu 4/30

7:05 am-5:25 pm

2 stops15h 20m

$561

AtlantaLondon

ATL - LHR

ATLLHR

Atlanta Hartsfield-Jackson

Tue 11/18

3:50 pm-9:00 am

1 stop12h 10m

London Heathrow

Mon 3/2

8:25 pm-1:35 pm

1 stop22h 10m

$586

AtlantaLondon

ATL - LHR

ATLLHR

Atlanta Hartsfield-Jackson

Sun 12/7

4:55 pm-10:45 am

1 stop12h 50m

London Heathrow

Tue 12/16

6:30 am-2:30 pm

1 stop13h 00m

$589

AtlantaLondon

ATL - LHR

ATLLHR

Atlanta Hartsfield-Jackson

Wed 12/3

4:55 pm-9:45 am

1 stop11h 50m

London Heathrow

Thu 12/11

6:30 am-2:30 pm

1 stop13h 00m

$597

AtlantaLondon

ATL - LHR

ATLLHR

Atlanta Hartsfield-Jackson

Wed 11/26

12:55 pm-7:10 am

1 stop13h 15m

London Heathrow

Thu 12/4

6:50 am-9:53 pm

2 stops20h 03m

$602

AtlantaLondon

ATL - LHR

ATLLHR

Atlanta Hartsfield-Jackson

Wed 11/26

6:40 pm-7:50 am

Nonstop8h 10m

London Heathrow

Tue 12/9

8:40 am-8:45 pm

1 stop17h 05m

$604

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Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Atlanta to London Heathrow Airport

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 typical price of a round-trip flight between Atlanta and London Heathrow Airport?

What is the cheapest month to fly to London Heathrow Airport?

The month of January is, on average, the cheapest month to fly to London Heathrow Airport from Atlanta, with most prices found around $722. If you’re not able to fly to London Heathrow Airport in January, then October is your next best option. Flight prices from Atlanta to London Heathrow Airport during October average around $738.

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

Our data shows that Wednesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $860. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $988.

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

According to our data, the cheapest time of day to fly to London Heathrow Airport is at noon. momondo users have found flights departing from Atlanta to London Heathrow Airport at noon for as low as $878. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the afternoon are often more expensive with an average ticket price of $959.

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

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

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

You are more likely to see cheaper flights to London Heathrow Airport from Atlanta when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $870 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Atlanta for as low as $796 on momondo.

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

There are 4 cabin classes available to choose from on Atlanta Hartsfield-Jackson to London Heathrow 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 Heathrow Airport flight prices changed over time?

As of November 2025, prices for Atlanta to London Heathrow Airport flights are approximately 5% cheaper when compared to flights at the same time last year.

When to book flights from Atlanta to London Heathrow Airport

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

Estimated round-trip price

Cheap Atlanta to London Heathrow Airport (ATL to LHR) flight deals and tips

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

Best Price Found	$439
Fastest flight time	7h 55m
Direct flights	Every day

The best one-way flight to London Heathrow Airport from Atlanta in the past 72 hours is $439. The best round-trip flight deal from Atlanta to London Heathrow Airport found on momondo in the last 72 hours is $707.

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

Direct flights go from Atlanta to London Heathrow Airport every day.

Search flight deals

How far is Atlanta Hartsfield-Jackson to London Heathrow by plane?
There are 4190.8 mi between Atlanta Hartsfield-Jackson and London Heathrow. In terms of flight time, this usually takes a little over 8h 10m.
When did momondo last update prices for flights from Atlanta Hartsfield-Jackson Airport to London Heathrow Airport?
Prices for flights from Atlanta Hartsfield-Jackson Airport to London Heathrow Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Atlanta Hartsfield-Jackson Airport to London Heathrow Airport?
As of November 2025, there are 15 operators available to choose from for flights from Atlanta Hartsfield-Jackson Airport to London Heathrow Airport.
How old do you have to be to fly from Atlanta Hartsfield-Jackson Airport to London Heathrow Airport?
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 Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The required travel and health documents for your London Heathrow Airport 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 Heathrow Airport. 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 Heathrow Airport?
momondo data reveals that the most frequently booked plane model on the route from Atlanta to London Heathrow Airport is Boeing 777, representing 29.44% of all bookings. The subsequent popular models are Airbus A350-1000 at 23.78%, Boeing 767-400 at 17.24%, and Airbus A330-200 at 15.61%.
What is the most popular airline from Atlanta to London Heathrow Airport?
momondo data reveals that the most frequently booked airline on the route from Atlanta to London Heathrow Airport is Delta, representing 33% of all bookings. The subsequent popular airlines are British Airways at 22%, Virgin Atlantic at 15%, and Scandinavian Airlines at 5%.

Best airlines flying from Atlanta to London Heathrow Airport

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

Airline	Rating	Free Cancellation	Price
JetBlue	PriceFrom $93	Free Cancellation	Rating 7.2 2,907 reviews	Search JetBlue flights
United Airlines	PriceFrom $326	Free Cancellation	Rating 7.4 9,004 reviews	Search United Airlines flights
Air Canada	PriceFrom $382	Free Cancellation	Rating 7.1 10,415 reviews	Search Air Canada flights
Scandinavian Airlines	PriceFrom $430	Free Cancellation	Rating 7.4 1,561 reviews	Search Scandinavian Airlines flights
Aer Lingus	PriceFrom $511	Free Cancellation	Rating 7.2 1,365 reviews	Search Aer Lingus flights
British Airways	PriceFrom $515	Free Cancellation	Rating 6.7 7,500 reviews	Search British Airways flights
Iberia	PriceFrom $564	Free Cancellation	Rating 7.0 3,007 reviews	Search Iberia flights
Air France	PriceFrom $572	Free Cancellation	Rating 7.4 1,484 reviews	Search Air France flights
Lufthansa	PriceFrom $594	Free Cancellation	Rating 6.8 7,558 reviews	Search Lufthansa flights
American Airlines	PriceFrom $610	Free Cancellation	Rating 7.2 11,040 reviews	Search American Airlines flights

Delta Flights From Atlanta to London Heathrow Airport
Delta flies from Atlanta to London Heathrow Airport around 22 times per week, with 8,001 momondo users rating the airline 7.9/10. The cheapest Delta deal from Atlanta to London Heathrow Airport in the last 72 hours was $613 (round-trip), much lower than the average airfare cost of $974 for Delta flights on this route.
KLM Flights From Atlanta to London Heathrow Airport
Across 1,405 KLM reviews on momondo, the average score is 7.7/10. KLM flies from Atlanta to London Heathrow Airport about 28 times each week, with ticket deals ranging from $688 to $941. Price data is based on momondo searches in the last 72 hours.

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Slough

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Dartford

Stratford-upon-Avon

Crawley

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Romford

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Cobham

Swindon

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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?

All flight searches from Atlanta to London on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from Atlanta.

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

If you are not ready to book a flight from Atlanta to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.

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Cheap flights from Atlanta to London from $244

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 11/26. 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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Scandinavian Airlines flights from Atlanta to London Heathrow Airport

Our best Scandinavian Airlines deals on Atlanta to London Heathrow Airport flight tickets

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Our best Air Canada deals on Atlanta to London Heathrow Airport flight tickets

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How to get the cheapest flight ticket from Atlanta to London Heathrow Airport

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

What is the typical price of a round-trip flight between Atlanta and London Heathrow Airport?

What is the cheapest month to fly to London Heathrow Airport?

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

Our data shows that Wednesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $860. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $988.

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

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

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

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

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

There are 4 cabin classes available to choose from on Atlanta Hartsfield-Jackson to London Heathrow 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 Heathrow Airport flight prices changed over time?

As of November 2025, prices for Atlanta to London Heathrow Airport flights are approximately 5% cheaper when compared to flights at the same time last year.

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

WestJet and JetBlue are the most popular carriers operating from Atlanta Hartsfield-Jackson to London Heathrow

What airlines fly to London Heathrow Airport?

How often are flights from Atlanta to London delayed?

Historically, on average around 21% 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 141 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?

Monday 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, Aeromexico have had the least number of delays on this route over the last 12 months; with about 15% of their flights experiencing any sort of delay.

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

Istanbul (IST) was the most common stop: 42% of momondo users choosing 1-stop flights on this route connected there.

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

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 Heathrow Airport?

Flights connecting via Frankfurt am Main (FRA) have the shortest average one-way travel time: 12h 13m.

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

Frankfurt am Main (FRA) has the shortest average layover time for this route: 1h 34m.

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

The number of flights available between Atlanta and London Heathrow Airport is 23 per day as of November 2025. The most frequent departure time is 10:00PM, with 86% of daily flights leaving in the evening.

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

The number of flights available between Atlanta and London Heathrow Airport is 161 per week as of November 2025. The most frequent departure day is Wed, with 15% of weekly flights leaving on this day.

When to book flights from Atlanta to London Heathrow Airport

Cheap Atlanta to London Heathrow Airport (ATL to LHR) flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

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

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

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

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

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

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

What is the most popular airline from Atlanta to London Heathrow Airport?

Best airlines flying from Atlanta to London Heathrow Airport

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

Delta Flights From Atlanta to London Heathrow Airport

KLM Flights From Atlanta to London Heathrow Airport

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?