AirHint found the following cheapest return flights from London (LCY) to Stockholm (ARN) in September 2026 (see full year).
Return flights
| 25 Sep - 27 Sep | KLM | ||
| 07 Sep - 11 Sep | KLM | ||
| 17 Sep - 20 Sep | KLM | ||
| 30 Sep - 03 Oct | SWISS | ||
| 18 Sep - 21 Sep | Luxair | ||
| 10 Sep - 13 Sep | SWISS |
Also check the deals for one-way flights from London to Stockholm in September.
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