Atlanta to London flights
The cheapest round trip we found from Atlanta to London is $759 (Feb 11 – 25, 2027, 3 stops). It usually costs $759.
ATL to LON · Round trip · Economy · Prices per person in USD · Price found (1 day ago)
Cheapest found
Cheapest round trip by month
Lowest fare found per departure month| Month | Cheapest round trip |
|---|---|
| November 2026 | $1,542 |
| December 2026 | $756 (cheapest month) |
| January 2027 | No fares found yet |
| February 2027 | $759 |
| March 2027 | No fares found yet |
| April 2027 | $792 |
Cheapest dates in the next 4 months
Round trip, per person-
Feb 11 – 25, 2027 14 nights · leave Thu$759$759 Book
Frontier Airlines 3 stops · 12h 30m -
Nov 20 – 28 8 nights · leave Fri$1,542 +103% vs usual$1,542 +103% vs usual Book
United Airlines 1 stop · 9h 30m
Prices change often. The booking site shows the final price before you pay. Other dates? Set an alert
Things to do in London
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Airport transfer to London
Fixed prices from LHR on KiwitaxiTo see transfer prices here, turn on partner content in .
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Plan the rest of your trip
London · Feb 11 – 25, 2027- eSIM for United Kingdom Yesim · prepaid mobile data (opens Yesim in a new tab)
- Car rental in United Kingdom Economybookings · compare rental companies (opens Economybookings in a new tab)
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Good to know
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Atlanta to London: questions
How much does a flight from Atlanta to London cost?
The cheapest round trip we have found right now is $759, leaving February 11 and returning February 25. The usual price on this route is about $759. Prices are per person, economy, in USD.
What is the cheapest month to fly from Atlanta to London?
December 2026, with round trips from $756. The most expensive month in our data is November (from $1,542). Based on the 4 months ahead we have prices for.
Which airports do Atlanta to London flights use?
Atlanta airports include Hartsfield-Jackson Atlanta International (ATL) and DeKalb Peachtree (PDK). London airports include London Heathrow (LHR), London City (LCY) and London Gatwick (LGW). The prices on this page cover every airport in both cities (ATL and LON are the city codes).
About this route
We track round-trip economy fares from Atlanta (United States) to London (United Kingdom) using Travelpayouts / Aviasales data. The cheapest round trip we've found is $759, departing February 11 and returning February 25. The cheapest month to fly in our data is December, from $756. Prices are per person and were correct when found; the final price is set by the airline or booking site when you book.