Cheap flights from Atlanta to London Heathrow Airport from £323

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/7. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — LHR
18 Jul — 25 Jul1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Atlanta Hartsfield-Jackson to London Heathrow are usually found in February or October, booked 55 days in advance, depart on a Tuesday or Monday and return on a Wednesday

Cheap flight deals from Atlanta to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Atlanta to Heathrow
Explore the most affordable flight options available from Atlanta to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 June 2026.

Tue 22/1222:10
ATL
-
LHR
Nonstop8h 05m
Multiple Airlines
Tue 29/1215:45
LHR
-
ATL
1 stop13h 14m
Multiple Airlines
Deal found 17/6£746
Mon 7/922:05
ATL
-
LHR
Nonstop8h 15m
Delta
Mon 14/909:55
LHR
-
ATL
1 stop12h 05m
Delta
Deal found 16/6£747
Wed 7/1020:30
ATL
-
LHR
1 stop10h 35m
Delta
Sun 11/1013:25
LHR
-
ATL
Nonstop9h 32m
Delta
Deal found 17/6£748
Tue 29/912:55
ATL
-
LHR
1 stop12h 35m
United Airlines
Sat 10/1009:30
LHR
-
ATL
1 stop11h 49m
United Airlines
Deal found 16/6£749
Mon 24/822:35
ATL
-
LHR
Nonstop8h 10m
British Airways
Mon 14/916:10
LHR
-
ATL
Nonstop9h 30m
British Airways
Deal found 17/6£750
Sat 19/919:30
ATL
-
LHR
1 stop32h 50m
Scandinavian Airlines
Sun 4/1017:00
LHR
-
ATL
1 stop29h 05m
Scandinavian Airlines
Deal found 17/6£751
Sat 21/1120:20
ATL
-
LHR
1 stop30h 00m
British Airways
Fri 27/1115:35
LHR
-
ATL
Nonstop9h 40m
British Airways
Deal found 17/6£751
Fri 28/812:55
ATL
-
LHR
1 stop12h 35m
Multiple Airlines
Mon 7/918:45
LHR
-
ATL
3 stops31h 25m
Multiple Airlines
Deal found 17/6£752
Fri 4/1220:12
ATL
-
LHR
2 stops14h 38m
Lufthansa
Thu 10/1206:30
LHR
-
ATL
1 stop13h 10m
Lufthansa
Deal found 17/6£753
Thu 26/1114:30
ATL
-
LHR
2 stops12h 55m
United Airlines
Fri 4/1209:00
LHR
-
ATL
2 stops17h 21m
United Airlines
Deal found 16/6£754
Sat 8/814:20
ATL
-
LHR
1 stop14h 10m
JetBlue
Wed 12/808:40
LHR
-
ATL
1 stop18h 52m
JetBlue
Deal found 16/6£754

Find flight deals from Atlanta to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Atlanta (ATL) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 18 June 2026.

Round-trip from

£746

One-way from

£323

Popular in

June

Cheapest in

February

Average price

£1,100

Good round-trip deal

£811 or less

Good one-way deal

£326 or less
JetBlue
  • JetBlue
  • 15/7-12/8
  • 2 total stops
  • 32h 08m total
  • Atlanta to London
3/7
  • 3/7
  • 2 total stops
  • 30h 55m total
  • Atlanta to London
Highest demand for flights based on searches. 27% potential increase in price (£198 potential increase over avg. return price).
Cheapest flight prices on average. 5% potential price decrease (£29 potential savings vs. average return price).
Average for round-trip flights in June 2026
Price to beat on a round-trip flight from Atlanta Hartsfield-Jackson to London Heathrow.
Price to beat on a one-way flight from Atlanta Hartsfield-Jackson to London Heathrow.

Cheapflights Fare Finder

 
Customise your flight search to find flights from Atlanta to Heathrow 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, Cheapflights users made 858,174 searches. Data last updated 18 June 2026.
Use the filters below to find and compare flights from Atlanta to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

AtlantaLondon

ATL - LHR

ATLLHR

Atlanta Hartsfield-Jackson

Thu 29/10

13:00-11:25

2 stops18h 25m

London Heathrow

Sat 7/11

08:15-08:50

3 stops29h 35m

£779

AtlantaLondon

ATL - LHR

ATLLHR

Atlanta Hartsfield-Jackson

Sat 12/9

18:15-07:15

Nonstop8h 00m

London Heathrow

Sat 19/9

06:30-14:00

1 stop12h 30m

£784
Fastest return journey

AtlantaLondon

ATL - LHR

ATLLHR

Atlanta Hartsfield-Jackson

Tue 21/7

18:15-07:15

Nonstop8h 00m

London Heathrow

Tue 4/8

09:20-13:42

Nonstop9h 22m

£795

AtlantaLondon

ATL - LHR

ATLLHR

Atlanta Hartsfield-Jackson

Wed 22/7

10:09-09:30

1 stop18h 21m

London Heathrow

Mon 10/8

08:40-22:32

1 stop18h 52m

£799

AtlantaLondon

ATL - LHR

ATLLHR

Atlanta Hartsfield-Jackson

Wed 22/7

18:15-07:15

Nonstop8h 00m

London Heathrow

Tue 28/7

13:25-17:51

Nonstop9h 26m

£811

AtlantaLondon

ATL - LHR

ATLLHR

Atlanta Hartsfield-Jackson

Fri 24/7

23:55-13:15

Nonstop8h 20m

London Heathrow

Tue 28/7

15:15-19:49

Nonstop9h 34m

£831

AtlantaLondon

ATL - LHR

ATLLHR

Atlanta Hartsfield-Jackson

Tue 15/12

15:10-06:50

1 stop10h 40m

London Heathrow

Thu 31/12

08:40-16:50

1 stop13h 10m

£837

AtlantaLondon

ATL - LHR

ATLLHR

Atlanta Hartsfield-Jackson

Wed 22/7

15:55-21:35

2 stops24h 40m

London Heathrow

Wed 29/7

17:50-13:45

2 stops24h 55m

£866

AtlantaLondon

ATL - LHR

ATLLHR

Atlanta Hartsfield-Jackson

Fri 20/11

12:55-07:10

1 stop13h 15m

London Heathrow

Sat 28/11

13:00-21:17

1 stop13h 17m

£870

AtlantaLondon

ATL - LHR

ATLLHR

Atlanta Hartsfield-Jackson

Sun 5/7

19:30-18:50

2 stops18h 20m

London Heathrow

Thu 9/7

07:05-17:05

2 stops15h 00m

£899

Flights are sorted by cheapest return flights first.

Deals found on 15/6

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

Best time to book a flight from Atlanta to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Atlanta with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Atlanta to London Heathrow Airport

How far ahead should I book a flight from Atlanta to London Heathrow Airport?

The price you pay for your flight from Atlanta to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 54 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Atlanta to London Heathrow Airport?

Currently, February is the cheapest month in which you can book a flight from Atlanta to London Heathrow Airport (average of £525). Flying from Atlanta to London Heathrow Airport in June is currently the most expensive (average of £1,100). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ATL to LHR?

Find hourly flight availability from Atlanta to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 June 2026.

When flying from Atlanta to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost for a return flight from Atlanta to London Heathrow Airport?

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated 18 June 2026.
Read reviews from past customers who have flown with KLM,Virgin Atlantic, andAir France from Atlanta to London Heathrow Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.7

Food

7.3

Boarding

7.8

Overall

7.8

Crew

8.4

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

Comfort

7.7

Food

7.3

Boarding

7.8

Overall

7.8

Crew

8.4

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

Comfort

7.7

Food

7.3

Boarding

7.8

Overall

7.8

Crew

8.4

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

Comfort

7.7

Food

7.3

Boarding

7.8

Overall

7.8

Crew

8.4

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

Comfort

7.7

Food

7.3

Boarding

7.8

Overall

7.8

Crew

8.4

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

Comfort

7.7

Food

7.3

Boarding

7.8

Overall

7.8

Crew

8.4

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

Related info for your journey

Find useful and relevant information for your journey from Atlanta to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from Atlanta to London Heathrow?

    If you book a flight to London Heathrow from Atlanta, you will be flying from Hartsfield-Jackson, which is the city’s only airport. Atlanta Hartsfield-Jackson (ATL) is located 8.2 mi from the center of Atlanta. There are 23 flights from Hartsfield-Jackson to London Heathrow per day from 7 different airlines.

  • How long is the flight from Atlanta to London Heathrow Airport?

    There are many flights that can get you from Atlanta to London Heathrow Airport in 8h. Fly via TAP AIR PORTUGAL, Delta, or JetBlue to get the fastest option. There are 4198 mi between Atlanta and London Heathrow Airport. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Atlanta to London Heathrow Airport round-trip?

    Flying on Scandinavian Airlines is currently your cheapest option to London Heathrow Airport, with prices starting at £351. Additional return tickets that might be worth considering are offered by KLM and Delta, with the lowest prices starting at £364 and £385, respectively. Scandinavian Airlines is 49% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the most reliable airlines from Atlanta to London Heathrow Airport?

    Before booking your flight to London Heathrow Airport from Atlanta, check out the most reliable airlines to get you to your destination on time: Air France (84%), KLM (84%), Delta( 84%).

  • What are the cheapest flights from Atlanta to London Heathrow Airport?

    Looking at all options, your cheapest flight can be booked for £319. While the most popular route (Atlanta Hartsfield-Jackson - London Heathrow) can be booked for £467 on average, our data indicates £764 when flying from Atlanta to London Heathrow Airport.

  • Can I find deals for flights from Atlanta to Heathrow that include hotel bookings?

    Yes. In addition to deals on Atlanta to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Atlanta to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Atlanta to Heathrow.

  • Can I find deals for business class flights from Atlanta to Heathrow?

    Yes. Cheapflights offers flight deals from Atlanta to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Atlanta to London Heathrow Airport?

    Currently, February is the cheapest month in which you can book a flight from Atlanta to London Heathrow Airport (average of £525). Flying from Atlanta to London Heathrow Airport in June is currently the most expensive (average of £1,100). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Milton Keynes
Wembley
Luton
Gatwick
Croydon
Slough
Ilford
Hayes
Brentford
Colchester
Northampton
Kingston upon Thames
Swindon
Eastbourne
Watford
Poole
Guildford
Romford
Ipswich

Browse thousands of different options on Cheapflights for your next trip

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Top 7 airlines flying from Atlanta to Heathrow

Discover the top 7 airlines that operate flights from Atlanta to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 18 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest£351Average£449FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
KLMCheapest£364Average£558FlexibilityNo cancel feeOn-time75%
Search KLM flights
DeltaCheapest£385Average£817FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
British AirwaysCheapest£385Average£669FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£416Average£670FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
JetBlueCheapest£476Average£665FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
Air FranceCheapest£494Average£774FlexibilityNo cancel feeOn-time77%
Search Air France flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Atlanta to Heathrow?

Cheapflights makes it easy to find Atlanta to Heathrow flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Atlanta to Heathrow?

Cheapflights simply makes it quick and affordable to book flights from Atlanta to Heathrow by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Atlanta to Heathrow with no change fees?

Need flexible booking options for your flight to Heathrow from Atlanta? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Atlanta to Heathrow become cheaper?

Of course! You can now track prices for flights from Atlanta to Heathrow and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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