AirHint found the following cheapest return flights from Kaunas (KUN) to London (STN) in September 2026 (see full year).
Return flights
| 18 Sep - 07 Oct | Ryanair | direct | |
| 13 Sep - 18 Sep | Ryanair | direct | |
| 14 Sep - 18 Sep | Ryanair | direct | |
| 01 Sep - 11 Sep | Ryanair | direct | |
| 01 Sep - 07 Sep | Ryanair | direct | |
| 01 Sep - 18 Sep | Ryanair | direct |
Also check the deals for one-way flights from Kaunas to London in September.
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