AirHint found the following cheapest return flights from Atlanta (ATL) to London (LGW) in April 2026 (see full year).

Return flights

22 Apr - 27 Apr	jetBlue
14 Apr - 09 May	jetBlue
15 Apr - 01 May	jetBlue
28 Apr - 23 May	jetBlue
06 Apr - 14 Apr	Turkish Airlines
06 Apr - 13 Apr	Turkish Airlines
06 Apr - 02 May	Turkish Airlines
07 Apr - 02 May	Turkish Airlines
02 Apr - 11 Apr	Frontier Airlines
04 Apr - 11 Apr	jetBlue
03 Apr - 11 Apr	jetBlue
03 Apr - 12 Apr	Frontier Airlines
01 Apr - 05 Apr	Turkish Airlines
10 Apr - 19 Apr	Turkish Airlines

Also check the deals for one-way flights from Atlanta to London in April.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Atlanta to London in April from $665

Return flights