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

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

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 13 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

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 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.

How often are flights from Atlanta to London delayed?

Historically, on average around 18% 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 140 minutes.

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 34m.

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

JetBlue is the most popular carrier 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.

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.

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

The number of flights available between Atlanta and London is 157 per week as of January 2026. The most frequent departure day is Tue, with 15% of weekly flights leaving on this day.

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 13 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.

$173 Cheap Flights from Atlanta to London in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Atlanta to London

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:25 pm - 9:20 am

ATL

LHR

32h 55m

1 stop

9:55 am - 5:25 pm

LHR

ATL

36h 30m

2 stops

$600Scandinavian Airlines

Thu, Apr 16 - Mon, Apr 20

5:25 am - 6:00 am

ATL

LGW

19h 35m

2 stops

2:00 pm - 7:58 am

LGW

ATL

22h 58m

1 stop

$600Multiple Airlines

Wed, Jan 28 - Mon, Feb 2

12:55 pm - 7:10 am

ATL

LHR

13h 15m

1 stop

6:50 am - 9:53 pm

LHR

ATL

20h 03m

2 stops

$601Air Canada

Sun, Feb 15 - Tue, Feb 24

4:55 pm - 12:50 am

ATL

STN

26h 55m

2 stops

7:45 pm - 2:30 pm

STN

ATL

23h 45m

2 stops

$601Multiple Airlines

Sun, Feb 15 - Tue, Feb 24

12:55 pm - 7:10 am

ATL

LHR

13h 15m

1 stop

1:25 pm - 9:53 pm

LHR

ATL

13h 28m

1 stop

$603Air Canada

Sun, Feb 15 - Tue, Feb 24

10:50 am - 9:00 am

ATL

LGW

17h 10m

2 stops

12:30 pm - 11:53 pm

LGW

ATL

16h 23m

2 stops

$609American Airlines

Wed, Feb 18 - Wed, Feb 25

3:40 pm - 12:55 pm

ATL

LCY

16h 15m

2 stops

9:15 am - 9:07 pm

LCY

ATL

16h 52m

2 stops

$637SWISS

Sun, Feb 8 - Tue, Feb 17

3:40 pm - 12:55 pm

ATL

LCY

16h 15m

2 stops

9:15 am - 9:07 pm

LCY

ATL

16h 52m

2 stops

$638SWISS

Sun, Feb 8 - Tue, Feb 17

1:28 pm - 8:50 am

ATL

LCY

15h 22m

2 stops

7:50 am - 10:01 pm

LCY

ATL

18h 11m

2 stops

$646British Airways

Wed, Mar 11 - Wed, Mar 18

1:28 pm - 8:50 am

ATL

LCY

15h 22m

2 stops

7:50 am - 10:01 pm

LCY

ATL

18h 11m

2 stops

$647British Airways

Wed, Mar 11 - Wed, Mar 18

Iberia flights from Atlanta to London

Our best Iberia deals on Atlanta to London flight tickets

Iberia

Mar 11

ATL11:10 pmAtlanta Hartsfield-Jackson

8h 05m

LHR11:15 amLondon Heathrow

Mar 18

LHR8:50 pmLondon Heathrow

28h 32m

2 stops

ATL9:22 pmAtlanta Hartsfield-Jackson

$611

Iberia

Mar 11

ATL11:10 pmAtlanta Hartsfield-Jackson

8h 05m

LHR11:15 amLondon Heathrow

Mar 18

LHR7:35 amLondon Heathrow

18h 26m

2 stops

ATL10:01 pmAtlanta Hartsfield-Jackson

$613

Iberia

May 1

ATL10:30 pmAtlanta Hartsfield-Jackson

8h 15m

LHR11:45 amLondon Heathrow

May 13

LHR4:10 pmLondon Heathrow

9h 25m

ATL8:35 pmAtlanta Hartsfield-Jackson

$619

Finnair flights from Atlanta to London

Our best Finnair deals on Atlanta to London flight tickets

Finnair

Feb 11

ATL11:42 amAtlanta Hartsfield-Jackson

15h 53m

1 stop

LHR8:35 amLondon Heathrow

Feb 19

LHR3:35 pmLondon Heathrow

9h 35m

ATL8:10 pmAtlanta Hartsfield-Jackson

$620

Finnair

Feb 15

ATL2:19 pmAtlanta Hartsfield-Jackson

16h 21m

1 stop

LHR11:40 amLondon Heathrow

Feb 26

LHR3:35 pmLondon Heathrow

9h 35m

ATL8:10 pmAtlanta Hartsfield-Jackson

$623

Finnair

Feb 15

ATL2:19 pmAtlanta Hartsfield-Jackson

16h 21m

1 stop

LHR11:40 amLondon Heathrow

Feb 24

LHR3:35 pmLondon Heathrow

9h 35m

ATL8:10 pmAtlanta Hartsfield-Jackson

$632

Fly from

Fly to

Route

Depart

Return

Price

AtlantaLondon

ATL - LHR

ATLLHR

Atlanta Hartsfield-Jackson

Thu 4/16

7:25 pm-9:20 am

1 stop32h 55m

London Heathrow

Mon 4/20

9:55 am-5:25 pm

2 stops36h 30m

$600

AtlantaLondon

ATL - LGW

ATLLGW

Atlanta Hartsfield-Jackson

Wed 1/28

5:25 am-6:00 am

2 stops19h 35m

London Gatwick

Mon 2/2

2:00 pm-7:58 am

1 stop22h 58m

$600

AtlantaLondon

ATL - LHR

ATLLHR

Atlanta Hartsfield-Jackson

Sun 2/15

12:55 pm-7:10 am

1 stop13h 15m

London Heathrow

Tue 2/24

6:50 am-9:53 pm

2 stops20h 03m

$601

AtlantaLondon

ATL - STN

ATLSTN

Atlanta Hartsfield-Jackson

Sun 2/15

4:55 pm-12:50 am

2 stops26h 55m

London Stansted

Tue 2/24

7:45 pm-2:30 pm

2 stops23h 45m

$601

AtlantaLondon

ATL - LHR

ATLLHR

Atlanta Hartsfield-Jackson

Sun 2/15

12:55 pm-7:10 am

1 stop13h 15m

London Heathrow

Tue 2/24

1:25 pm-9:53 pm

1 stop13h 28m

$603

AtlantaLondon

ATL - LGW

ATLLGW

Atlanta Hartsfield-Jackson

Wed 2/18

10:50 am-9:00 am

2 stops17h 10m

London Gatwick

Wed 2/25

12:30 pm-11:53 pm

2 stops16h 23m

$609

AtlantaLondon

ATL - LCY

ATLLCY

Atlanta Hartsfield-Jackson

Sun 2/8

3:40 pm-12:55 pm

2 stops16h 15m

London City

Tue 2/17

9:15 am-9:07 pm

2 stops16h 52m

$637

AtlantaLondon

ATL - LCY

ATLLCY

Atlanta Hartsfield-Jackson

Sun 2/8

3:40 pm-12:55 pm

2 stops16h 15m

London City

Tue 2/17

9:15 am-9:07 pm

2 stops16h 52m

$638

AtlantaLondon

ATL - LCY

ATLLCY

Atlanta Hartsfield-Jackson

Wed 3/11

1:28 pm-8:50 am

2 stops15h 22m

London City

Wed 3/18

7:50 am-10:01 pm

2 stops18h 11m

$646

AtlantaLondon

ATL - LCY

ATLLCY

Atlanta Hartsfield-Jackson

Wed 3/11

1:28 pm-8:50 am

2 stops15h 22m

London City

Wed 3/18

7:50 am-10:01 pm

2 stops18h 11m

$647

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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 $674, 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 $717.

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 $823. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $966. 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 $856 when looking at flights departing in the evening. Flights to London are more costly in the afternoon, with an average ticket price of $945. 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 $868 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.

Can stopping save me money on Atlanta to London flights?

You could potentially save up to 12% on your flight if you consider stops on a Atlanta to London flight.

How have Atlanta to London flight prices changed over time?

As of January 2026, prices for Atlanta to London flights are approximately 10% 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	$408
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 $408. The best round-trip flight deal from Atlanta to London found on momondo in the last 72 hours is $759.

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 January 2026, there are 13 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 (28.89% of total bookings). The next most popular plane models are Boeing 767-400 (20.76%), Boeing 777 (20.35%), and Airbus A330-200 (18.83%).
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 (6%).

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 2,891 reviews	Search JetBlue flights
Scandinavian Airlines	PriceFrom $427	Free Cancellation	Rating 7.3 1,660 reviews	Search Scandinavian Airlines flights
Delta	PriceFrom $486	Free Cancellation	Rating 7.9 8,088 reviews	Search Delta flights
British Airways	PriceFrom $514	Free Cancellation	Rating 6.7 7,689 reviews	Search British Airways flights
Iberia	PriceFrom $565	Free Cancellation	Rating 7.0 3,094 reviews	Search Iberia flights
Air France	PriceFrom $573	Free Cancellation	Rating 7.4 1,523 reviews	Search Air France flights
American Airlines	PriceFrom $573	Free Cancellation	Rating 7.2 11,174 reviews	Search American Airlines flights
Lufthansa	PriceFrom $594	Free Cancellation	Rating 6.8 7,738 reviews	Search Lufthansa flights
Air Canada	PriceFrom $596	Free Cancellation	Rating 7.1 10,646 reviews	Search Air Canada flights
Virgin Atlantic	PriceFrom $598	Free Cancellation	Rating 7.5 678 reviews	Search Virgin Atlantic flights

Delta Flights From Atlanta to London
Delta flies from Atlanta to London around 23 times per week, with 8,088 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 $681, round-trip. It should be noted that an average KLM flight deal for this route in this time was higher, at $915 round-trip. KLM operates 28 flights out of Atlanta into London in an average week, so prices vary by time and availability. 1,442 KLM reviews by users on momondo have scored the airline at 7.7/10.

Gatwick

Hounslow

Luton

Milton Keynes

Dover

Slough

Guildford

Wembley

Crawley

Dartford

Hayes

Brentwood

Watford

Cobham

Folkestone

Romford

Stansted

Harrow

Croydon

Richmond

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

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.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Fri 2/20

Fri 2/27

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United Kingdom

Cheap flights from Atlanta to London from $173

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 3/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Atlanta to London

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Iberia flights from Atlanta to London

Our best Iberia deals on Atlanta to London flight tickets

Finnair flights from Atlanta to London

Our best Finnair deals on Atlanta to London flight tickets

momondo Fare Finder

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

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.

Can stopping save me money on Atlanta to London flights?

You could potentially save up to 12% on your flight if you consider stops on a Atlanta to London flight.

How have Atlanta to London flight prices changed over time?

As of January 2026, prices for Atlanta to London flights are approximately 10% cheaper when compared to flights at the same time last year.

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

JetBlue is the most popular carrier 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 18% 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 140 minutes.

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

Generally, flights departing in the evening 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 34m.

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 157 per week as of January 2026. The most frequent departure day is Tue, 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?