Cheap flights from Atlanta to London from $320

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 2/6. 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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Cheap round-trip flights

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Multiple Airlines Logo
7:07 pm - 8:40 pm
ATL
-
LGW
20h 33m2 stops
Multiple Airlines Logo
1:00 pm - 1:11 am
LGW
-
ATL
17h 11m1 stop
$621Multiple Airlines
Sat, Jan 24 - Tue, Jan 27
Multiple Airlines Logo
1:41 pm - 11:15 am
ATL
-
LHR
16h 34m1 stop
Multiple Airlines Logo
11:20 am - 11:20 pm
LHR
-
ATL
17h 00m1 stop
$622Multiple Airlines
Wed, Jan 21 - Wed, Feb 25
Multiple Airlines Logo
8:05 am - 6:00 am
ATL
-
LGW
16h 55m1 stop
Multiple Airlines Logo
8:30 am - 7:44 am
LGW
-
ATL
28h 14m2 stops
$622Multiple Airlines
Wed, Jan 14 - Wed, Jan 21
British Airways Logo
9:10 am - 9:15 am
ATL
-
LHR
19h 05m1 stop
British Airways Logo
6:15 am - 10:59 pm
LHR
-
ATL
21h 44m2 stops
$626British Airways
Sun, Mar 1 - Sun, Mar 8
Scandinavian Airlines Logo
7:25 pm - 4:25 pm
ATL
-
LHR
16h 00m2 stops
Scandinavian Airlines Logo
7:50 pm - 5:25 pm
LHR
-
ATL
26h 35m2 stops
$628Scandinavian Airlines
Thu, Apr 16 - Mon, Apr 27
British Airways Logo
11:10 pm - 11:15 am
ATL
-
LHR
8h 05mnonstop
British Airways Logo
7:30 am - 10:56 pm
LHR
-
ATL
19h 26m2 stops
$629British Airways
Thu, Mar 19 - Tue, Mar 24
Scandinavian Airlines Logo
9:00 pm - 9:20 am
ATL
-
LHR
32h 20m1 stop
Scandinavian Airlines Logo
6:40 am - 5:25 pm
LHR
-
ATL
15h 45m1 stop
$632Scandinavian Airlines
Fri, Mar 20 - Tue, Mar 31
KLM Logo
3:50 pm - 7:15 am
ATL
-
LCY
10h 25m1 stop
KLM Logo
7:45 am - 2:55 pm
LCY
-
ATL
12h 10m1 stop
$641KLM
Tue, Jan 20 - Tue, Jan 27
Virgin Atlantic Logo
12:59 pm - 7:15 am
ATL
-
LCY
13h 16m2 stops
Virgin Atlantic Logo
7:45 am - 8:45 pm
LCY
-
ATL
18h 00m1 stop
$646Virgin Atlantic
Tue, Jan 13 - Fri, Jan 23
Virgin Atlantic Logo
12:00 pm - 7:15 am
ATL
-
LCY
14h 15m2 stops
Virgin Atlantic Logo
9:20 am - 8:28 pm
LCY
-
ATL
16h 08m2 stops
$656Virgin Atlantic
Mon, Jan 12 - Tue, Jan 20

Air Canada flights from Atlanta to London

Our best Air Canada deals on Atlanta to London flight tickets
Air Canada
Jan 14
ATL6:10 amAtlanta Hartsfield-Jackson
24h 10m
1 stop
LHR11:20 amLondon Heathrow
Mar 14
LHR6:50 amLondon Heathrow
19h 03m
2 stops
ATL9:53 pmAtlanta Hartsfield-Jackson
Air Canada
Jan 14
ATL11:26 amAtlanta Hartsfield-Jackson
16h 04m
2 stops
LHR8:30 amLondon Heathrow
Mar 14
LHR6:50 amLondon Heathrow
19h 03m
2 stops
ATL9:53 pmAtlanta Hartsfield-Jackson
Air Canada
Jan 16
ATL12:55 pmAtlanta Hartsfield-Jackson
13h 15m
1 stop
LHR7:10 amLondon Heathrow
Jan 19
LHR1:45 pmLondon Heathrow
37h 08m
2 stops
ATL9:53 pmAtlanta Hartsfield-Jackson

British Airways flights from Atlanta to London

Our best British Airways deals on Atlanta to London flight tickets
British Airways
Dec 10
ATL6:41 pmAtlanta Hartsfield-Jackson
12h 24m
1 stop
LHR12:05 pmLondon Heathrow
Dec 14
LHR3:35 pmLondon Heathrow
9h 35m
ATL8:10 pmAtlanta Hartsfield-Jackson
British Airways
Jan 14
ATL10:10 pmAtlanta Hartsfield-Jackson
8h 05m
LHR11:15 amLondon Heathrow
Mar 14
LHR3:35 pmLondon Heathrow
9h 35m
ATL9:10 pmAtlanta Hartsfield-Jackson
British Airways
Mar 5
ATL10:10 pmAtlanta Hartsfield-Jackson
8h 05m
LHR11:15 amLondon Heathrow
Apr 7
LHR4:10 pmLondon Heathrow
9h 25m
ATL8:35 pmAtlanta Hartsfield-Jackson

momondo Fare Finder

 
Customize your flight search to find flights from Atlanta to London that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated December 5, 2025.
Use the filters below to find and compare flights from Atlanta to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

AtlantaLondon

ATL - LGW

ATLLGW

Atlanta Hartsfield-Jackson

Sat 1/24

7:07 pm-8:40 pm

2 stops20h 33m

London Gatwick

Tue 1/27

1:00 pm-1:11 am

1 stop17h 11m

$621

AtlantaLondon

ATL - LHR

ATLLHR

Atlanta Hartsfield-Jackson

Wed 1/21

1:41 pm-11:15 am

1 stop16h 34m

London Heathrow

Wed 2/25

11:20 am-11:20 pm

1 stop17h 00m

$622

AtlantaLondon

ATL - LGW

ATLLGW

Atlanta Hartsfield-Jackson

Wed 1/14

8:05 am-6:00 am

1 stop16h 55m

London Gatwick

Wed 1/21

8:30 am-7:44 am

2 stops28h 14m

$622

AtlantaLondon

ATL - LHR

ATLLHR

Atlanta Hartsfield-Jackson

Sun 3/1

9:10 am-9:15 am

1 stop19h 05m

London Heathrow

Sun 3/8

6:15 am-10:59 pm

2 stops21h 44m

$626

AtlantaLondon

ATL - LHR

ATLLHR

Atlanta Hartsfield-Jackson

Thu 4/16

7:25 pm-4:25 pm

2 stops16h 00m

London Heathrow

Mon 4/27

7:50 pm-5:25 pm

2 stops26h 35m

$628

AtlantaLondon

ATL - LHR

ATLLHR

Atlanta Hartsfield-Jackson

Thu 3/19

11:10 pm-11:15 am

Nonstop8h 05m

London Heathrow

Tue 3/24

7:30 am-10:56 pm

2 stops19h 26m

$629

AtlantaLondon

ATL - LHR

ATLLHR

Atlanta Hartsfield-Jackson

Fri 3/20

9:00 pm-9:20 am

1 stop32h 20m

London Heathrow

Tue 3/31

6:40 am-5:25 pm

1 stop15h 45m

$632

AtlantaLondon

ATL - LCY

ATLLCY

Atlanta Hartsfield-Jackson

Tue 1/20

3:50 pm-7:15 am

1 stop10h 25m

London City

Tue 1/27

7:45 am-2:55 pm

1 stop12h 10m

$641

AtlantaLondon

ATL - LCY

ATLLCY

Atlanta Hartsfield-Jackson

Tue 1/13

12:59 pm-7:15 am

2 stops13h 16m

London City

Fri 1/23

7:45 am-8:45 pm

1 stop18h 00m

$646

AtlantaLondon

ATL - LCY

ATLLCY

Atlanta Hartsfield-Jackson

Mon 1/12

12:00 pm-7:15 am

2 stops14h 15m

London City

Tue 1/20

9:20 am-8:28 pm

2 stops16h 08m

$656

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

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

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 September is another great option to travel to London, with average flight prices from Atlanta averaging around $726.

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 $841. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $975. 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 $951. 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 $864 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?

No. A direct flight is the cheapest option for a flight between Atlanta to London.

How have Atlanta to London flight prices changed over time?

As of December 2025, prices for Atlanta to London flights are approximately 5% 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

$463

Fastest flight time

7h 55m

Direct flights

Every day

Airports in London

1 airport
The best one-way flight to London from Atlanta in the past 72 hours is $463. The best round-trip flight deal from Atlanta to London found on momondo in the last 72 hours is $727.
The fastest flight from Atlanta to London takes 7h 55m
Direct flights go from Atlanta to London every day.
There is 1 airport near London: London Heathrow (LHR)
  • 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?

  • 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?

  • 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
Airline
Rating
Free Cancellation
Price
JetBluePriceFrom $51Free CancellationRating
7.2
2,897 reviews
Search JetBlue flights
United AirlinesPriceFrom $326Free CancellationRating
7.4
9,066 reviews
Search United Airlines flights
Air CanadaPriceFrom $382Free CancellationRating
7.1
10,506 reviews
Search Air Canada flights
Scandinavian AirlinesPriceFrom $423Free CancellationRating
7.4
1,594 reviews
Search Scandinavian Airlines flights
DeltaPriceFrom $486Free CancellationRating
7.9
8,009 reviews
Search Delta flights
Aer LingusPriceFrom $511Free CancellationRating
7.2
1,386 reviews
Search Aer Lingus flights
British AirwaysPriceFrom $515Free CancellationRating
6.7
7,562 reviews
Search British Airways flights
IberiaPriceFrom $562Free CancellationRating
7.0
3,041 reviews
Search Iberia flights
American AirlinesPriceFrom $573Free CancellationRating
7.2
11,043 reviews
Search American Airlines flights
Air FrancePriceFrom $578Free CancellationRating
7.4
1,502 reviews
Search Air France flights
  • Delta Flights From Atlanta to London

    Delta flies from Atlanta to London around 22 times per week, with 8,009 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 $1,054 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 $682, round-trip. It should be noted that an average KLM flight deal for this route in this time was higher, at $897 round-trip. KLM operates 28 flights out of Atlanta into London in an average week, so prices vary by time and availability. 1,430 KLM reviews by users on momondo have scored the airline at 7.7/10.

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Milton Keynes
Dover
Luton
Slough
Guildford
Hayes
Dartford
Crawley
Brentwood
Wembley
Romford
Watford
Ilford
Cobham
Folkestone
Uxbridge
Stansted
Chelmsford

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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 1/4
Sun 1/11

Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London