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

Return flights

16 Apr - 25 Apr	Scandinavian Airlines
24 Apr - 03 May	jetBlue
09 Apr - 14 Apr	Turkish Airlines
10 Apr - 14 Apr	Turkish Airlines
18 Apr - 24 Apr	Turkish Airlines
05 Apr - 11 Apr	Turkish Airlines
16 Apr - 09 May	Turkish Airlines
04 Apr - 11 Apr	Frontier Airlines
18 Apr - 25 Apr	Turkish Airlines
17 Apr - 25 Apr	Turkish Airlines
01 Apr - 05 Apr	Frontier Airlines
17 Apr - 03 May	Alaska Airlines
22 Apr - 30 Apr	Aer Lingus

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 650€

Return flights