Link Your Railcard to Oyster for 34% Off Tube Fares

What they're missing is that the same card cuts a third off your Tube, Overground, DLR, and Elizabeth line fares, but only if you link it to your Oyster card properly. A £2.40 single becomes £1.59. Do that five times a week and you're saving roughly a tenner every working week.

What you get

You get 33-34% off every pay-as-you-go fare you tap during off-peak hours. That's weekends all day, plus weekday mornings before 6:30am, afternoons between 9:30am and 4pm, and evenings after 7pm. The discount works on the Underground, Overground, DLR, Elizabeth line, and National Rail services within London. Peak hour fares, 6:30-9:29am and 4-6:59pm on weekdays, stay full price no matter what card you've got.

How to get it

1. Register your Oyster card with a TfL online account if you haven't already. 2. Visit any London Underground station, Overground station, or one of the three Elizabeth line stations offering the service, Woolwich, Canary Wharf, or Paddington, with your Oyster card and valid Railcard in hand. 3. Go to a ticket machine or speak to staff and ask them to link your Railcard to your Oyster. 4. They'll apply the discount on the spot, it takes a couple of minutes. 5. When your Railcard expires, you'll need to reapply the discount at a station; it doesn't renew automatically.

What the TikTok didn't mention

Not all Railcards qualify. The 16-25, 26-30, Senior, HM Forces, and Disabled Persons Railcards all work. The Network Railcard, Family & Friends, and Two Together don't, which feels like a gap in the logic, but that's how it's set up. There's also the Annual Gold Card option if you're not eligible for the others.

The Elizabeth line stations only do this during specific hours: 10am-3pm on weekdays and 10am-5pm on weekends. If you're trying to sort this on a random Tuesday at 6pm, you'll need to travel to a main Underground or Overground station instead.

The biggest thing people get wrong is thinking this works online. It doesn't. You've got to physically visit a station with both your Oyster and your Railcard. No shortcuts.

The catch

A Railcard costs £30 a year, so you need to be travelling enough to make that back, roughly 30 off-peak journeys and you've broken even. And buses and trams don't get the discount at all, which is annoying if that's part of your regular commute.

If you're already paying for a Railcard anyway, linking it to your Oyster is a no-brainer; if you're not, the maths depends entirely on how often you're actually travelling.