Cheap flights from Atlanta to London Heathrow Airport from £247

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 18/5. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — LHR
17 May — 24 May1
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 72 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 17 April 2026.

Tue 28/419:25
ATL
-
LHR
2 stops16h 00m
Scandinavian Airlines
Thu 14/506:40
LHR
-
ATL
1 stop15h 45m
Scandinavian Airlines
Deal found 12/4£573
Tue 21/421:50
ATL
-
LHR
1 stop18h 15m
Turkish Airlines
Tue 28/422:40
LHR
-
ATL
1 stop26h 05m
Turkish Airlines
Deal found 13/4£575
Thu 23/419:25
ATL
-
LHR
1 stop21h 15m
Scandinavian Airlines
Tue 5/506:40
LHR
-
ATL
1 stop15h 45m
Scandinavian Airlines
Deal found 14/4£577
Tue 21/419:25
ATL
-
LHR
1 stop15h 35m
Scandinavian Airlines
Wed 6/519:30
LHR
-
ATL
1 stop26h 55m
Scandinavian Airlines
Deal found 15/4£578
Sat 19/919:30
ATL
-
LHR
1 stop32h 50m
Scandinavian Airlines
Tue 6/1017:30
LHR
-
ATL
2 stops52h 35m
Scandinavian Airlines
Deal found 15/4£579
Thu 17/919:30
ATL
-
LHR
1 stop32h 50m
Scandinavian Airlines
Tue 6/1017:30
LHR
-
ATL
2 stops52h 35m
Scandinavian Airlines
Deal found 16/4£579
Thu 23/419:25
ATL
-
LHR
1 stop21h 15m
Scandinavian Airlines
Thu 7/507:05
LHR
-
ATL
2 stops15h 20m
Scandinavian Airlines
Deal found 14/4£580
Thu 17/919:30
ATL
-
LHR
1 stop32h 50m
Scandinavian Airlines
Wed 7/1018:40
LHR
-
ATL
1 stop27h 25m
Scandinavian Airlines
Deal found 16/4£581
Thu 23/419:25
ATL
-
LHR
1 stop17h 15m
Scandinavian Airlines
Tue 28/406:40
LHR
-
ATL
1 stop15h 45m
Scandinavian Airlines
Deal found 14/4£582
Thu 3/919:30
ATL
-
LHR
1 stop32h 50m
Scandinavian Airlines
Tue 15/918:05
LHR
-
ATL
2 stops52h 00m
Scandinavian Airlines
Deal found 16/4£582
Sat 29/819:30
ATL
-
LHR
2 stops21h 05m
Scandinavian Airlines
Sat 5/906:40
LHR
-
ATL
1 stop15h 25m
Scandinavian Airlines
Deal found 13/4£583
Mon 31/819:30
ATL
-
LHR
2 stops38h 05m
Scandinavian Airlines
Sat 12/915:35
LHR
-
ATL
2 stops30h 30m
Scandinavian Airlines
Deal found 16/4£584

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 17 April 2026.

Round-trip from

£573

One-way from

£247

Popular in

June

Cheapest in

February

Average price

£628

Good round-trip deal

£837 or less

Good one-way deal

£282 or less
Scandinavian Airlines
  • Scandinavian Airlines
  • 28/4-14/5
  • 3 total stops
  • 31h 45m total
  • Atlanta to London
18/5
  • 18/5
  • 2 total stops
  • 24h 55m total
  • Atlanta to London
Highest demand for flights based on searches. 19% potential increase in price (£115 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£15 potential savings vs. average return price).
Average for round-trip flights in April 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 17 April 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

Tue 18/8

22:10-11:20

Nonstop8h 10m

London Heathrow

Fri 23/10

06:30-14:05

1 stop12h 35m

£701

AtlantaLondon

ATL - LHR

ATLLHR

Atlanta Hartsfield-Jackson

Mon 21/9

22:05-11:20

Nonstop8h 15m

London Heathrow

Wed 30/9

09:55-20:25

1 stop15h 30m

£701

AtlantaLondon

ATL - LHR

ATLLHR

Atlanta Hartsfield-Jackson

Tue 19/5

18:15-07:15

Nonstop8h 00m

London Heathrow

Tue 26/5

09:55-16:55

1 stop12h 00m

£856
Fastest return journey

AtlantaLondon

ATL - LHR

ATLLHR

Atlanta Hartsfield-Jackson

Tue 2/6

23:55-13:15

Nonstop8h 20m

London Heathrow

Fri 25/9

11:15-15:25

Nonstop9h 10m

£942

AtlantaLondon

ATL - LHR

ATLLHR

Atlanta Hartsfield-Jackson

Thu 1/10

11:15-17:45

3 stops25h 30m

London Heathrow

Mon 5/10

19:50-00:12

2 stops33h 22m

£956

AtlantaLondon

ATL - LHR

ATLLHR

Atlanta Hartsfield-Jackson

Sun 24/5

23:50-13:15

Nonstop8h 25m

London Heathrow

Wed 3/6

09:55-16:49

1 stop11h 54m

£996

AtlantaLondon

ATL - LHR

ATLLHR

Atlanta Hartsfield-Jackson

Wed 8/7

18:15-07:15

Nonstop8h 00m

London Heathrow

Thu 16/7

06:30-14:00

1 stop12h 30m

£996

AtlantaLondon

ATL - LHR

ATLLHR

Atlanta Hartsfield-Jackson

Wed 27/5

23:50-13:15

Nonstop8h 25m

London Heathrow

Mon 8/6

06:30-13:49

1 stop12h 19m

£1,041

AtlantaLondon

ATL - LHR

ATLLHR

Atlanta Hartsfield-Jackson

Tue 26/5

23:50-13:15

Nonstop8h 25m

London Heathrow

Sun 7/6

11:15-15:25

Nonstop9h 10m

£1,062

AtlantaLondon

ATL - LHR

ATLLHR

Atlanta Hartsfield-Jackson

Mon 3/8

18:31-17:45

3 stops18h 14m

London Heathrow

Fri 7/8

12:00-09:17

2 stops26h 17m

£1,072

Flights are sorted by cheapest return flights first.

Deals found on 16/4

Showing 1-10 of 24 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?

Use this chart to determine the optimal time to book a return flight from Atlanta to Heathrow. Price data was last updated on 10 April 2026.

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 72 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 £522). Flying from Atlanta to London Heathrow Airport in June is currently the most expensive (average of £861). 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 17 April 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 17 April 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.

Overall

7.8

Boarding

7.8

Food

7.3

Comfort

7.7

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Overall

7.8

Boarding

7.8

Food

7.3

Comfort

7.7

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Overall

7.8

Boarding

7.8

Food

7.3

Comfort

7.7

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Overall

7.8

Boarding

7.8

Food

7.3

Comfort

7.7

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Overall

7.8

Boarding

7.8

Food

7.3

Comfort

7.7

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Overall

7.8

Boarding

7.8

Food

7.3

Comfort

7.7

Crew

8.4

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

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 Virgin Atlantic, KLM, or TAP AIR PORTUGAL 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 £347. Additional return tickets that might be worth considering are offered by KLM and Delta, with the lowest prices starting at £360 and £380, respectively. Scandinavian Airlines is 45% 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: American Airlines (88%), Aer Lingus (88%), Finnair( 88%).

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

    Looking at all options, your cheapest flight can be booked for £229. While the most popular route (Atlanta Hartsfield-Jackson - London Heathrow) can be booked for £449 on average, our data indicates £667 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 £522). Flying from Atlanta to London Heathrow Airport in June is currently the most expensive (average of £861). 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
Milton Keynes
Wembley
Croydon
Northampton
Hounslow
Luton
Gatwick
Slough
Ilford
Hayes
Brentford
Colchester
Watford
Kingston upon Thames
Romford
Eastbourne
Swindon
Chelmsford
Ipswich
Southend-on-Sea

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 17 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest£347Average£420FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
KLMCheapest£360Average£575FlexibilityNo cancel feeOn-time75%
Search KLM flights
DeltaCheapest£380Average£785FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
British AirwaysCheapest£380Average£661FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£411Average£649FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Air FranceCheapest£488Average£764FlexibilityNo cancel feeOn-time77%
Search Air France flights
JetBlueCheapest£494Average£658FlexibilityNo cancel feeOn-time62%
Search JetBlue flights

Fly with Cheapflights

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

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

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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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