Spring is in the air, and with Semana Santa just around the corner, the rush to secure affordable travel has officially begun. If you are planning to traverse Spain by rail this Easter, Trainline has activated a promotional code that could shave 10% off your booking.

However, as with most things in the world of dynamic ticket pricing, the window to take advantage of this offer is limited. Here is everything you need to know about securing the discount, the fine print, and why this deal fits into a much bigger shift happening in European rail right now.

The Offer: EASTER26

Trainline is currently offering a 10% discount on domestic rail travel within Spain. The code—EASTER26—is designed specifically for app users and provides a small but welcome buffer against rising travel costs during one of Spain’s busiest holiday weeks.

Rail travel in Europe has seen a remarkable year-over-year increase, with some Spanish corridors experiencing passenger volume growth of nearly 50%, driven largely by new competition on high-speed routes. In that environment, securing a discount before prices climb further is simply smart timing.

Here is a quick breakdown of the key details:

The Code: EASTER26

The Discount: 10% off your trip

The Cap: Maximum discount of €10 (excluding taxes)

Validity: Travel between March 30 and April 12

Deadline: Bookings must be made before March 30

Availability: Limited to the first 3,000 redemptions

How to Apply the Code

If you usually hunt for travel deals on a desktop, note that this promotion is exclusive to the mobile app. Trainline, like many modern travel platforms, is increasingly steering users toward its app to reduce friction and strengthen customer loyalty.

To redeem the code successfully, follow these steps:

Open the Trainline app and search for your desired journey within Spain.

Select the train and ticket class that best fits your schedule.

Enter your passenger details.

Just before reaching the payment screen, look for the option to “Add a promotional code” and enter EASTER26.

A quick tip: if the code does not work, double-check that you are logged into a registered account and that your currency is set to Euros, as these are common reasons promo codes fail.

The Bigger Picture: Why This Matters Now

While a 10% discount is attractive, the promotion makes more sense when viewed in the context of the wider European rail industry. What we are seeing across the continent is often described as a rail revival.

The Shift to Rail

Data from Eurostat and industry analysts shows a clear shift toward train travel, driven by sustainability concerns and the rapid expansion of high-speed rail networks.

Railbookers recently reported a 51% increase in rail-based itineraries, with travelers increasingly choosing longer and more immersive journeys across Europe.

Spain is one of the most visible examples of this shift. The country’s rail market has been transformed by liberalization. With three major operators—Renfe, Ouigo, and Iryo—now competing on high-speed routes such as Madrid–Barcelona, passenger numbers have surged.

This competition has also pushed booking platforms like Trainline to introduce more aggressive app-based promotions to capture new users.

How Trainline Stacks Up

It is worth noting that Trainline is not the only platform competing for travelers, nor is it always the absolute cheapest option, though it is often one of the most convenient.

Competitors are carving out their own positions in the market with different approaches.

Omio offers a similar multi-modal platform and often focuses on introductory discounts for new users.

TrainPal frequently undercuts standard fares by using split-ticket technology, which can sometimes save travelers more than a simple percentage discount.

Meanwhile, tools like Railcards in the UK provide long-term savings for specific demographics, though they do not directly apply to Spain’s domestic rail market.

Trainline’s promotion therefore feels like a direct response to this competitive pressure. By capping the discount at €10 and limiting it to 3,000 users, the company creates urgency while encouraging adoption of its mobile app.

Final Thoughts

The EASTER26 code is a solid, if modest, incentive for travelers who have already chosen to book through the Trainline app. In a market where rail travel is booming and competition is intensifying, these small discounts are quickly becoming the norm.

Still, savvy travelers should remember that loyalty to a single platform is not always rewarded. While Trainline offers a clean interface and access to multiple carriers, the biggest savings often come from comparing fares directly with operators such as Renfe, Iryo, and Ouigo.

Competition on routes like Madrid–Barcelona has already increased passenger volumes by nearly 50%, and the real win for travelers may simply be the existence of genuine choice.

For now, if you are planning an Easter rail trip across Spain and already use the Trainline app, EASTER26 is an easy way to trim the price—just make sure to book before the 3,000-code limit runs out.