Where to fly from London for under €100: one-way flights
Destinations where the cheapest one-way flight from London costs under €100 over the next 3 months. These are one-way fares – the return flight is paid separately. Searches from the last few days found 10 destinations.
Prices are based on searches from the last few days (updated 26 Sep 2026, 11:42 Finnish time). Prices change – check the final price on the booking site.