If you’re booking UK train travel and want to pay less, TrainPal is one of the smarter places to do it. It pulls together cheap advance fares, split tickets and digital railcards in one app — and there are usually working promo codes on top of that. We’ve pulled together the best ones below, along with a few tips for stacking your savings properly.
| Code | Discount | Who It’s For |
|---|---|---|
| **In Voucher** | £11 off tickets | New customers |
| **In Voucher** | Up to 15% off tickets + £8 off railcard | New customers |
| **In Voucher** | 2% off tickets + 10% off railcard | Existing customers |
| Check TrainPal app | Extra 4% off — stackable | All users, limited dates |
Note: Codes are app-only. Always apply via the TrainPal app rather than the website to avoid booking fees and make sure the discount registers correctly.
It takes about 30 seconds. Open the TrainPal app, search your journey as normal, and when you reach the payment screen look for the “Promo Codes” or “Vouchers” section under your account tab. Paste the code in, hit apply, and the discount updates your total before you pay.
A few things to watch: most codes are single-use per account, new customer codes won’t work if you’ve ever registered before (even on a different device), and some codes apply only to UK train tickets, not European routes.
The voucher code gets you money off today. The railcard saves you money on every journey after that. Used together, they’re the best way to cut your train costs significantly.
TrainPal sells digital railcards directly through the app, and there are often promo codes that knock money off the card itself before you’ve even bought a single ticket. The most common deals give new customers between £8 and £9 off a one-year railcard, or around 20-23% off a three-year card.
Once you have the railcard, it gives you a third off most UK train fares every time you travel. TrainPal say the average railcard holder saves around £181 a year on tickets booked through the platform. There are eight types available — 16-25, 26-30, Two Together, Family & Friends, Senior, Network, Disabled Persons and the Veterans Railcard — so most travellers will qualify for at least one.
One thing worth knowing: digital railcards bought through TrainPal live in the TrainPal app. You can’t transfer them to the official Railcard app afterwards, so it makes sense to buy your tickets through TrainPal too — everything stays in one place.
To activate the railcard, you need to book a UK train ticket through TrainPal within 30 days of purchase. The cheapest available fare counts, so don’t overthink it.
If you haven’t come across split ticketing before, it’s worth knowing about. Instead of buying one ticket from A to B, TrainPal automatically checks whether buying two or more tickets for the same journey works out cheaper. You stay on the same train throughout — you just have more tickets in your pocket.
On some routes the saving is modest. On longer journeys, particularly at peak times, it can be significant. TrainPal quote savings of up to 90% on certain routes, though a more typical figure for popular long-distance trips is around 20-30%.
NHS staff can save on both train tickets and railcards through TrainPal, though the discounts work slightly differently from the standard voucher codes.
On railcards, TrainPal periodically offers NHS-specific deals — typically 20% off selected railcards for new customers, which brings the cost of a one-year card down to around £28. If you travel regularly for work or commute between hospitals or sites, that pays for itself quickly once the railcard’s third-off kicks in on your fares.
On individual train tickets, certain operators run NHS pricing through the TrainPal platform. Northern Rail has offered 25% off advance tickets for NHS staff, and TransPennine Express has run a 20% discount on selected routes. Avanti West Coast has also offered fixed-price fares for healthcare workers. These aren’t always live simultaneously, so it’s worth checking the TrainPal app under “NHS Discounts” or searching your route to see what applies.
To access NHS-specific deals you’ll generally need to verify your status via the app, and some operator-specific discounts require proof of employment. A current NHS staff ID is usually sufficient.
Our suggestion: grab a railcard with a new customer promo code first (even the standard codes work for NHS staff), then check whether your most common route has an NHS-specific fare on top. You can’t always stack the two, but it’s worth checking the terms before you pay.
For most UK train travellers, yes. The app is free, there are no booking fees on app purchases, and the split-ticket search happens automatically in the background — you don’t have to do anything extra to benefit from it. Add a voucher code and a railcard and you’re getting several layers of saving working at the same time.
The main limitation is that some codes are quite restrictive for existing customers (usually just 2% off versus 15% for new users), and the digital railcard is tied to the TrainPal app rather than the official Railcard app. Neither is a deal-breaker for most people, but worth knowing before you commit.

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