Flights

Cheap Flights in September

Where to fly in September from the UK — a selection of seasonal flights at the best prices.

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Where to fly in September from the UK

Popular seasonal destinations for holidays and travel in September.

Lowest prices available this month, based on Trip.com data.

Useful information about flights in September

Visas & entry

  • UK passport holders: Dubai/UAE visa-free 30 days, Thailand 60 days, Turkey 90 days, South Africa 90 days
  • USA needs ESTA, Canada needs eTA
  • EU/Schengen 90 days in any 180 — passport must be valid for at least 3 months beyond return date
  • EU/Schengen ETIAS requirement launches in 2027 — an online €20 travel authorisation

Weather & packing

  • Mediterranean: 27–32°C, sea 25–27°C — beach without crowds
  • Cyprus / Malta / southern Turkey: 26–30°C
  • Japan: 22–28°C, early autumn
  • US Northeast: 18–24°C — light jacket for evenings

How to save on September flights

  • Book 3–5 weeks out — September rewards flexibility
  • Post-15 September is meaningfully softer than early September
  • Best value transatlantic month of the year
  • Greek islands are still swimming weather at 30–40% below August

Cheap flights in September: shoulder season and best value of the year

Looking for cheap flights in September? September is the best-value month of the year for UK travellers. Kids are back at school, the Med is still warm, and fares drop 25-40% versus August.

Where to fly in September from the UK

The Med stays warm through mid-month: Greek islands, Italy, Croatia, Turkey, Cyprus. City breaks: Rome, Barcelona, Lisbon are ideal. Long-haul: US Northeast starts autumn, Japan is comfortable, Southeast Asia's rainy season winds down.

How to save

Book 3-5 weeks out — September rewards flexibility more than lead time. Post-15 September is meaningfully softer than early September. Best value transatlantic month of the year.

FAQ – Cheap flights in September