Yes, you can absolutely "Interrail"—in the sense of traveling across Europe by train—without purchasing an official Interrail or Eurail pass. In 2026, many travelers opt for "Point-to-Point" tickets instead of a pass, which can often be more cost-effective if you have a fixed itinerary with only a few long-distance journeys. Booking specific trains in advance through national operators like SNCF (France), Deutsche Bahn (Germany), or Renfe (Spain) allows you to access "early bird" discounts that may total less than the cost of a daily pass rate. Additionally, low-cost rail options like Ouigo or Iryo provide budget alternatives that are often excluded from the Interrail network. While a pass offers supreme flexibility for spontaneous travel, traveling without one means you don't have to worry about mandatory seat reservation fees (which can be as high as €20-€30 on high-speed lines). For travelers on a very tight budget, combining regional train tickets with long-distance buses like FlixBus is a common way to see the continent without the upfront investment of a multi-day rail pass.