Cheapest return flights from London to Frankfurt in September from $219

AirHint found the following cheapest return flights from London (LCY) to Frankfurt (FRA) in September 2026 (see full year).

Return flights

14 Sep - 28 Sep Lufthansa direct
18 Sep - 21 Sep Lufthansa direct
24 Sep - 25 Sep British Airways direct
25 Sep - 02 Oct British Airways direct
11 Sep - 13 Sep Air Dolomiti direct
13 Sep - 05 Oct British Airways direct
26 Sep - 03 Oct SWISS

Also check the deals for one-way flights from London to Frankfurt in September.

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