Rail fares could spike by 5.8% next year – how to save on train travel

July’s RPI inflation reading tends to determine rail fare hikes in the following year. We look at how much your train tickets could cost, and how to save money

People walking down a train platform
(Image credit: Tonywestphoto via Getty Images)

Rail fares could increase by 5.8% in 2026 in another blow for Brits hoping to keep costs down.

Rises in rail fares are traditionally calculated from July’s inflation data, using the Office for National Statistics’ Retail Price Index (RPI) and adding one percentage point. RPI came in at 4.8% in July, one percentage point higher than CPI.

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Daniel Hilton
Writer

Daniel is a financial journalist at MoneyWeek, writing about personal finance, economics, property, politics, and investing.

He covers savings, political news and enjoys translating economic data into simple English, and explaining what it means for your wallet.

Daniel joined MoneyWeek in January 2025 and previously worked at The Economist in their Audience team. He read history at Emmanuel College, Cambridge and edited Cambridge's student newspaper, Varsity.

In his free time, he likes reading, walking around Hampstead Heath, and cooking overambitious meals.