AirHint found the following cheapest return flights from Atlanta (ATL) to London (LHR) in July 2025 (see full year).

Return flights

29 Jul - 05 Aug	Spirit Airlines
28 Jul - 04 Aug	Spirit Airlines
29 Jul - 11 Aug	jetBlue
31 Jul - 07 Aug	Spirit Airlines
31 Jul - 05 Aug	Spirit Airlines
30 Jul - 03 Aug	Spirit Airlines
30 Jul - 07 Aug	jetBlue
29 Jul - 07 Aug	jetBlue
29 Jul - 31 Aug	Turkish Airlines
29 Jul - 09 Aug	Frontier Airlines
27 Jul - 30 Jul	Spirit Airlines
27 Jul - 30 Jul	British Airways	direct

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

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.

Book a cheap hotel in London

Cheap car rent in London

Cheapest return flights from Atlanta to London in July from 601€

Return flights