Cheapest return ATL–LHR flights, May

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

Return flights

18 May - 04 Jun Frontier Airlines
02 May - 04 May Scandinavian Airlines
01 May - 09 May Frontier Airlines
03 May - 27 May Turkish Airlines
03 May - 13 May Turkish Airlines
14 May - 19 May Spirit Airlines
04 May - 09 May Spirit Airlines
01 May - 16 May Frontier Airlines
14 May - 21 May Spirit Airlines
02 May - 18 May Scandinavian Airlines
07 May - 15 May Frontier Airlines
22 May - 01 Jun WestJet
22 May - 04 Jun WestJet
10 May - 02 Jun Frontier Airlines
22 May - 02 Jun WestJet
27 May - 02 Jun Frontier Airlines
01 May - 20 Jun jetBlue
09 May - 06 Jun Frontier Airlines
31 May - 13 Jun Scandinavian Airlines
29 May - 19 Jun Frontier Airlines

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

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