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

The number of flights available between Atlanta and London is 23 per day as of December 2025. The most frequent departure time is 10:00PM, with 82% of daily flights leaving in the evening.

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.

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.

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

Copenhagen (CPH) was the most common stop: 38% of momondo users choosing 1-stop flights on this route connected there.

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

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

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 45% of people opting to fly with this airline when traveling to London. Keep in mind that there are 15 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

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 December 2025, there are 15 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.

$276 Cheap Flights from Atlanta to London in 2025/26

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Cheap round-trip flights

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9:00 pm - 6:30 pm

ATL

LHR

17h 30m1 stop

6:40 am - 6:25 pm

LHR

ATL

15h 45m1 stop

$630Scandinavian Airlines

Thu, Mar 19 - Thu, Mar 26

9:37 am - 6:00 am

ATL

LGW

15h 23m1 stop

1:10 pm - 9:03 am

LGW

ATL

24h 53m2 stops

$631Multiple Airlines

Mon, Feb 23 - Wed, Mar 4

9:00 pm - 6:30 pm

ATL

LHR

17h 30m1 stop

7:05 am - 6:25 pm

LHR

ATL

15h 20m2 stops

$632Scandinavian Airlines

Mon, Mar 16 - Mon, Mar 23

9:19 pm - 8:40 pm

ATL

LGW

18h 21m2 stops

1:00 pm - 9:13 am

LGW

ATL

25h 13m1 stop

$632Multiple Airlines

Sat, Jan 10 - Tue, Jan 20

5:45 am - 9:05 am

ATL

LHR

22h 20m2 stops

9:50 am - 11:25 pm

LHR

ATL

18h 35m3 stops

$633Multiple Airlines

Fri, Jan 16 - Fri, Jan 23

4:25 pm - 9:30 am

ATL

LHR

12h 05m1 stop

8:05 am - 7:44 pm

LHR

ATL

16h 39m1 stop

$639JetBlue

Tue, Jan 20 - Fri, Jan 30

10:50 pm - 4:20 pm

ATL

STN

37h 30m1 stop

5:20 pm - 8:45 pm

STN

ATL

31h 25m1 stop

$700Turkish Airlines

Tue, Mar 17 - Tue, Mar 24

3:50 pm - 8:10 am

ATL

LCY

11h 20m1 stop

8:05 pm - 1:35 pm

LCY

ATL

22h 30m1 stop

$726Virgin 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

$728Virgin Atlantic

Mon, Jan 19 - Tue, Jan 27

5:55 pm - 9:15 am

ATL

LCY

11h 20m1 stop

7:10 pm - 1:55 pm

LCY

ATL

23h 45m1 stop

$744Lufthansa

Tue, Mar 17 - Tue, Mar 31

JetBlue flights from Atlanta to London

Our best JetBlue deals on Atlanta to London flight tickets

JetBlue

Jan 20

ATL4:25 pmAtlanta Hartsfield-Jackson

12h 05m

1 stop

LHR9:30 amLondon Heathrow

Jan 31

LHR8:05 amLondon Heathrow

16h 39m

1 stop

ATL7:44 pmAtlanta Hartsfield-Jackson

$639

Find similar

JetBlue

Jan 14

ATL4:25 pmAtlanta Hartsfield-Jackson

24h 15m

1 stop

LHR9:40 pmLondon Heathrow

Jan 21

LHR7:25 amLondon Heathrow

13h 05m

1 stop

ATL3:30 pmAtlanta Hartsfield-Jackson

$644

Find similar

JetBlue

Jan 14

ATL1:45 pmAtlanta Hartsfield-Jackson

26h 55m

1 stop

LHR9:40 pmLondon Heathrow

Mar 14

LHR8:05 amLondon Heathrow

30h 48m

1 stop

ATL10:53 amAtlanta Hartsfield-Jackson

$650

Find similar

Scandinavian Airlines flights from Atlanta to London

Our best Scandinavian Airlines deals on Atlanta to London flight tickets

Scandinavian Airlines

Mar 19

ATL9:00 pmAtlanta Hartsfield-Jackson

17h 30m

1 stop

LHR6:30 pmLondon Heathrow

Mar 26

LHR6:40 amLondon Heathrow

15h 45m

1 stop

ATL6:25 pmAtlanta Hartsfield-Jackson

$630

Find similar

Scandinavian Airlines

Dec 28

ATL8:00 pmAtlanta Hartsfield-Jackson

17h 30m

1 stop

LHR6:30 pmLondon Heathrow

Jan 16

LHR3:35 pmLondon Heathrow

30h 50m

2 stops

ATL5:25 pmAtlanta Hartsfield-Jackson

$632

Find similar

Scandinavian Airlines

Mar 5

ATL8:00 pmAtlanta Hartsfield-Jackson

32h 20m

1 stop

LHR9:20 amLondon Heathrow

Mar 15

LHR7:30 pmLondon Heathrow

26h 55m

1 stop

ATL6:25 pmAtlanta Hartsfield-Jackson

$634

Find similar

Fly from

Fly to

Route

Depart

Return

Price

AtlantaLondon

ATL - LHR

ATLLHR

Atlanta Hartsfield-Jackson

Thu 3/19

9:00 pm-6:30 pm

1 stop17h 30m

London Heathrow

Thu 3/26

6:40 am-6:25 pm

1 stop15h 45m

$630

AtlantaLondon

ATL - LGW

ATLLGW

Atlanta Hartsfield-Jackson

Mon 2/23

9:37 am-6:00 am

1 stop15h 23m

London Gatwick

Wed 3/4

1:10 pm-9:03 am

2 stops24h 53m

$631

AtlantaLondon

ATL - LHR

ATLLHR

Atlanta Hartsfield-Jackson

Mon 3/16

9:00 pm-6:30 pm

1 stop17h 30m

London Heathrow

Mon 3/23

7:05 am-6:25 pm

2 stops15h 20m

$632

AtlantaLondon

ATL - LGW

ATLLGW

Atlanta Hartsfield-Jackson

Sat 1/10

9:19 pm-8:40 pm

2 stops18h 21m

London Gatwick

Tue 1/20

1:00 pm-9:13 am

1 stop25h 13m

$632

AtlantaLondon

ATL - LHR

ATLLHR

Atlanta Hartsfield-Jackson

Fri 1/16

5:45 am-9:05 am

2 stops22h 20m

London Heathrow

Fri 1/23

9:50 am-11:25 pm

3 stops18h 35m

$633

AtlantaLondon

ATL - LHR

ATLLHR

Atlanta Hartsfield-Jackson

Tue 1/20

4:25 pm-9:30 am

1 stop12h 05m

London Heathrow

Fri 1/30

8:05 am-7:44 pm

1 stop16h 39m

$639

AtlantaLondon

ATL - STN

ATLSTN

Atlanta Hartsfield-Jackson

Tue 3/17

10:50 pm-4:20 pm

1 stop37h 30m

London Stansted

Tue 3/24

5:20 pm-8:45 pm

1 stop31h 25m

$700

AtlantaLondon

ATL - LCY

ATLLCY

Atlanta Hartsfield-Jackson

Sun 1/18

3:50 pm-8:10 am

1 stop11h 20m

London City

Tue 1/27

8:05 pm-1:35 pm

1 stop22h 30m

$726

AtlantaLondon

ATL - LCY

ATLLCY

Atlanta Hartsfield-Jackson

Mon 1/19

3:50 pm-8:10 am

1 stop11h 20m

London City

Tue 1/27

9:20 am-8:45 pm

1 stop16h 25m

$728

AtlantaLondon

ATL - LCY

ATLLCY

Atlanta Hartsfield-Jackson

Tue 3/17

5:55 pm-9:15 am

1 stop11h 20m

London City

Tue 3/31

7:10 pm-1:55 pm

1 stop23h 45m

$744

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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 $681, 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 $835. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $973. 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 at noon is the least expensive time of day to depart. momondo users have found prices as low as $859 when looking at flights departing at noon. Flights to London are more costly in the afternoon, with an average ticket price of $948. 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 $866 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 December 2025, prices for Atlanta to London flights are approximately 2% 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	$403
Fastest flight time	8h 00m
Direct flights	Every day
Airports in London	6 airports

The best one-way flight to London from Atlanta in the past 72 hours is $403. The best round-trip flight deal from Atlanta to London found on momondo in the last 72 hours is $735.

The fastest flight from Atlanta to London takes 8h 00m

Direct flights go from Atlanta to London every day.

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

Search flight deals

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 8h 00m.
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 December 2025, there are 15 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 (25.88% of total bookings). The next most popular plane models are Boeing 777 (25.63%), Airbus A330-200 (19.38%), and Boeing 767-400 (17.02%).
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 2,895 reviews	Search JetBlue flights
Scandinavian Airlines	PriceFrom $427	Free Cancellation	Rating 7.4 1,606 reviews	Search Scandinavian Airlines flights
Delta	PriceFrom $486	Free Cancellation	Rating 7.9 8,006 reviews	Search Delta flights
Aer Lingus	PriceFrom $511	Free Cancellation	Rating 7.2 1,395 reviews	Search Aer Lingus flights
British Airways	PriceFrom $515	Free Cancellation	Rating 6.7 7,583 reviews	Search British Airways flights
Iberia	PriceFrom $565	Free Cancellation	Rating 7.0 3,050 reviews	Search Iberia flights
American Airlines	PriceFrom $573	Free Cancellation	Rating 7.2 11,053 reviews	Search American Airlines flights
Air France	PriceFrom $576	Free Cancellation	Rating 7.4 1,508 reviews	Search Air France flights
Lufthansa	PriceFrom $594	Free Cancellation	Rating 6.8 7,634 reviews	Search Lufthansa flights
Air Canada	PriceFrom $596	Free Cancellation	Rating 7.1 10,532 reviews	Search Air Canada flights

Delta Flights From Atlanta to London
Delta flies from Atlanta to London around 22 times per week, with 8,006 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 $895 round-trip. KLM operates 28 flights out of Atlanta into London in an average week, so prices vary by time and availability. 1,428 KLM reviews by users on momondo have scored the airline at 7.7/10.

Gatwick

Hounslow

Milton Keynes

Dover

Luton

Slough

Guildford

Hayes

Dartford

Crawley

Brentwood

Wembley

Watford

Ilford

Cobham

Folkestone

Romford

Richmond

Uxbridge

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.

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Find better results for your trip to the United Kingdom

Cheap flights from Atlanta to London from $276

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 1/7. 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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JetBlue flights from Atlanta to London

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Our best Scandinavian Airlines deals on Atlanta to London flight tickets

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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 December 2025, prices for Atlanta to London flights are approximately 2% cheaper when compared to flights at the same time last year.

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: 38% 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 23 per day as of December 2025. 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 161 per week as of December 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

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?

An easier way to manage your London trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.