How Does Interrail Work? An Insider Guide (2025)

Are you planning train travel in Europe and are wondering exactly how does Interrail work?

This is where I can help. I’m a massive fan of rail travel and have Interrailed as a backpacker in my 20s and as a mature solo traveller in my 50s, using both the old-fashioned paper train pass and the shiny digital pass.

Whether you are travelling for one week or two months, this guide will tell you everything that you need to know about these Europe rail passes and help you decide if Interrail is worth it for you.

exterior cover of an interrail pass which is one of train passes in europe

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What is an Interrail Pass?

There is no such thing as one definitive Interrail pass. Interrail offers a range of passes giving European residents unlimited travel on scheduled train services of participating train operators across Europe.

If you are a non-European citizen, you can use a Eurail pass instead. This offers identical benefits it Interrail but tends to be slightly more expensive.

Interrail passes are available for children, youths, adults & seniors. They offer first or second-class train travel in all participating countries or country-specific passes.

As well as free unlimited train travel, Interrail passes come with a host of other benefits. These include free or discounted rides on many, including Greek islands, Spain’s Balearic Islands and ferries to Ireland to name but a few.

a train compartment on railjet business class of 4 large dark grey seats with red headrests

Types of Interrail Pass

There are two types of Interrail passes: the Global Pass and the One Country Pass.

Interrail Global Pass

Interrail’s flagship product, the Interrail Global Pass, gives you the joy of train travel in 33 European countries as well as on some ferries. This product includes unlimited travel on local trains, high-speed trains and night trains over a specified period of time, forgoing the need to buy point-to-point tickets.  

The Interrail Global Pass is a great option for stress-free and flexible country-hopping in Europe. It comes in ten different variations:

Flexible

  • 4 days within one month
  • 5 days within one month
  • 7 days within one month
  • 10 days within two months
  • 15 days within two months

Continuous

  • 15 days continuous
  • 22 days continuous
  • 1 month continuous
  • 2 months continuous
  • 3 months continuous

As the name suggests, you use a continuous pass on consecutive days. For example; if you buy a one-month continuous pass it remains valid for one month after the date it is first used, allowing you unlimited travel within that period.

With a flexible pass, you can travel a set number of days within a specified period. For example; if you buy a 5-days in one-month flexible pass, you’ll be able to travel on five days of your choice within one month.

Countries Covered by the Interrail Global Pass

The Interrail Global Pass gives you the freedom to explore the following countries: Austria, Belgium, Bosnia-Herzegovina, Bulgaria, Croatia, Czech Republic, Denmark, Estonia, Finland, France, Germany, Great Britain, Greece, Hungary, Ireland, Italy, Latvia, Lithuania, Luxembourg, Montenegro, Netherlands, North Macedonia, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland and Turkey.

red and white train in swiss valley
You can use your Interrail pass to ride the sensational Glacier Express in Switzerland

Interrail One Country Pass

But what if you are planning an in-depth visit to just one country? Visiting the vineyards of France perhaps? Or exploring Switzerland’s Alpine valleys? In most cases, an Interrail One Country Pass is your best bet.

30 European countries have their own Interrail pass valid for unlimited travel within that country’s borders. These countries are as follows: Austria, Bulgaria, Croatia, Czech Republic, Denmark, Estonia, Finland, France, Germany, Great Britain, Greece, Hungary, Ireland, Italy, Latvia, Lithuania, North Macedonia, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland and Turkey.

In addition, you can also purchase a regional pass for the Benelux countries (Netherlands, Belgium and Luxembourg).

green and white exterior of trenord train carriage in italy
Regional Italian train

How Much Does an Interrail Pass Cost?

The price of an Interrail pass depends on the following:

– Country or countries of travel
– Class of travel (1st or 2nd Class)
– Duration of travel

As a benchmark, the adult Interrail Global Pass starts at €283 for four days 2nd class travel within a month (December 2024 price). Prices of country-specific Interrail rail passes depend on the country of travel.

Discounts are available for children and those under the age of 27, and for seniors (60+ years) in both first and second class.

4 red seats around a table on a train from brno to kopice

How to Buy an Interrail Pass

You can buy an Interrail pass up to 11 months before your first intended travel date here. When you place your order, choose to receive a classic printed ticket or a mobile pass which sits in an app on your phone.

Paper passes are typically delivered in around 10 days using tracked delivery (this cost is included in the total purchase price).

With the Interrail mobile pass, it’s free instant delivery (a good option if you’ve left it until the last minute to buy your Europe rail pass). You add the pass to the Rail Planner app and activate it when you are ready to travel.

This mobile option is not available for some One Country passes.

I’ve used both paper and mobile Interrail passes and prefer the latter but here are a few things to consider:

Advantages of a paper passAdvantages of a mobile pass
A paper rail pass does not rely on mobile phone battery powerInstant delivery
A paper rail pass does not rely on a broken mobile phoneNo delivery cost
Your paper Interrail pass is a great travel record to treasureGreater flexibility – start using the pass on any date within the following 11 months (a printed pass has your chosen start date already printed on it which cannot be changed)
As the pass is on your phone, you will always have it with you and it’s one less thing to carry around (and lose)
If your paper Interrail pass is lost or stolen it can’t be replaced If you lose the device on which your mobile Europe train pass is loaded, your pass can be loaded on a new device free of charge.
The Pros and Cons of Paper and Mobile Interrail Passes

Using your Interrail pass

An Interrail pass gives you free travel on all the train services run by the national train operator in each of the countries it covers. Trains run by private operators are not covered by these European rail passes.

Most of the time, you will not need to buy a ticket ahead of time; you can simply board the train, pass in hand. However, you will need to make a reservation and/or pay a supplement on some trains.

More about that later.

How you use your Interrail pass will depend on whether you have opted for a paper ticket or a mobile pass. Each of these types of rail passes becomes valid the first time you use them.

Using the Interrail paper ticket

The classic Interrail pass comprises a cover printed with a blank travel diary (or ‘My Trip’), to which your train pass is attached.

inside of paper interrail pass showing ticket and filled in travel diary
My paper Interrail pass with ticket and travel diary

Each time that you take a train you need to:

  • Record the date and where it’s to and from, in the travel diary. If you wish, you can choose to record your journeys in the Rail Planner app
  • If you have a flexible Interrail pass, enter the travel date into the travel calendar on the pass itself. 

If you are using your Interrail pass in your country of residence, you will also need to record the inbound/outbound date in the travel diary, and on your ticket, if you are holding a Flexi pass.

Make sure that you record these data before boarding your next train. If you don’t and are unlucky to get a jobsworth conductor, you risk a fine and being forced to pay for a full-fare ticket.

Using the Interrail mobile pass

There is a comprehensive guide to using the mobile Interrail pass, but here’s a short version.

Step 1: Download the Rail Planner app to your phone

Step 2: Add your mobile Euro rail pass to the app

Step 3: Connect a trip to your Interrail pass and give it a name (for example; ‘My Switzerland Trip’) This is how you keep track of the journeys you take.

Step 4: Activate your Pass

Before you start your trip, you need to activate your Pass. You do this by:

  • Entering your passport or ID number. This should match the document that you’re travelling with as you may have to show it to ticket inspectors.
  • Choosing your first day you’ll be using your Pass to travel

Step 5: Save your journey to My Trip

Step 6: Add your journey to your Pass

 When you are ready to travel, go to your trip and tap to add your journey to your Interrail pass.

Step 7: Show your ticket to the conductor

Although this may seem complicated at first, it is not.

Interrail Seat Reservations

Most of the time, you can hop on trains spontaneously, sit where you like and just show your pass to the conductor when he or she comes around. However, some railway companies have a compulsory seat reservation, subject to a fee.

This reservation fee is not included in your Interrail pass. The cost depends on the type of train, type of seat and the railway company.

Train services that require a reservation include:

woman holding up glass of whisky
Travelling on the Caledonian Sleeper

To avoid reservation fees, you can choose to travel on regional services. Although these train services don’t require seat reservations, they are slower. On the plus side, slower travel allows you to discover places you never may have found when travelling on a high-speed service.

Using the Rail Planner app, you can select the ‘no reservation needed’ filter to exclude services with compulsory reservations. Selecting the ‘no seat reservations required’ filter in the Interrail trip planning engine will do the same job.

screen-shot-from-rail-planner-app showing search screen for europe rail journey
Using the Rail Planner app to filter results to services that don’t require seat reservations

Even when it is optional, it can be a smart move to make a seat reservation, especially for popular services, long journeys and busy times.

Interrail reservations can be made at most station ticket offices. As train reservation systems are linked across most of Western Europe, you can make reservations for trains departing from a station other than the one you are at.

A booking fee may be charged when making a reservation in some countries (e.g. in the Netherlands, a €10 fee applies). However, in most countries, there is no charge or the fee is less.

This is where it gets slightly complicated. There is no magic bullet here; i.e. no single website that will make all of your Interrail reservations at no additional cost.

Only a handful of national train operators will make reservations for Interrail pass holders. Alternatively, you can make a reservation via Interrail but this is the most expensive way of doing it.

Making a reservation through Interrail

Interrail claims it can handle seat reservations for 95% of all European trains. These are made by logging into your Interrail account and going to ‘My Trips and Travellers’ on the top menu bar (under ‘Hi *yourname*’).

Seat reservations are sent as e-tickets or old-fashioned paper tickets.

You can also make reservations via the Rail Planner App, which directs you to the booking engines of selected rail operators and Interrail / Eurail.

screen-shot-from-rail-planner-app showing options for trains

Alternatively, you can make reservations online with the national train operators, including Austrian railways and DB (Germany).

As a last resort, you can make European train travel reservations over the phone. This is complicated and can attract additional fees.

Other Useful Information

You can rarely use an Interrail pass on urban transport systems.

Most public transport (metro systems, buses, trams and the like) is operated by urban transit authorities, not train companies. However, a handful of cities will let you use your Interrail pass on their public transport; check the additional benefits for your country of interest.

For example; you can use your Interrail pass on the S-Bahn (suburban metro railways) networks that DB operate in major German cities.

In a country as expensive as Switzerland, being able to use your Europe rail pass to get free or discounted travel on boat trips and private railways can save you a ton of money. For example; I have bagged an Interrail discount on the cable car journey between Grindelwald and First.

group of people standing on a platform looking at a spectacular alpine valley in switzerland
Cliff Walk, First, Bernese Oberland



Bear in mind that if you are using a flexible Interrail pass, this may not be a cost-effective way of using up one of your days. Of course, this is not an issue with continuous passes.

Interrail passes do not cover unlimited train travel in your country of residence. However, you can use a Global Interrail Pass for two domestic journeys: one at the beginning of your trip from your home station to a border, airport or ferry port and a second journey at the end of your trip. 

Although this domestic journey must be a continuous single journey between a point of origin (for example your home station) and a border, airport or ferry port, it can involve more than one train.

Note that this will use up a travel day on your pass. But as one travel day lasts from midnight to midnight, you can use as many trains as you like within that time period.

You can make this work for you.

On different Interrail trips, I have used this allowance to cover the train journey from my home station to Central London, a Eurostar pass journey to Paris, and onward trains to Bern, Switzerland and Cologne, Germany and the champagne houses of Reims in France

Is a 1st class Interrail Pass worth it?

There are several reasons why you should consider a 1st class Interrail pass (I’m a big fan).

  • First-class carriages on European trains are more spacious with reduced occupancy. This makes for a less crowded and more relaxed journey.
  • With larger seats and more legroom, you are likely to be more comfortable.
railjet train 1st class train carriage with dark grey seats with red headrests
First Class carriage on an Austrian Railjet train
  • On services that require a compulsory reservation, the number of seats available for Interrail pass holders is capped. At busy times of the year, you need to be quick off the mark to reserve seats on the more popular routes. As 1st class tickets are less popular, you have a better chance of getting a reservation.
  • On regional routes that don’t require a reservation, it can be standing-room-only on popular services in peak season. It’s good to be able to make your way to the sanctuary of the first-class cabin.
  • And did you know that your 1st class Interrail pass includes Plus Class on Eurostar? Now, that’s a perk worth having.
a woman holding up a glass of red wine
I’ll raise a glass to travelling on Eurostar Plus!
  • In some countries, you will be served refreshments at your seat.
  • Finally, power sockets are more plentiful in first-class train carriages in Europe.

All that said, second-class seating is perfectly adequate on European trains and not all countries have first-class carriages on their train services.

Inspiration for Planning Your Interrail Trip

Man in Seat 61 is the king of rail travel resources and my first port of call when I plan a rail itinerary. Mark Smith’s excellent website is an up-to-date and comprehensive guide to global rail travel.

Finally, here’s a selection of my favourite train journeys and itineraries.

PS. If you’ve found this guide helpful, Pin it to read later!

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interrailing in europe
bridget coleman the flashpacker 2

About Bridget

Bridget Coleman has been a passionate traveller for more than 30 years. She has visited 70+ countries, most as a solo traveller.

Articles on this site reflect her first-hand experiences.

To get in touch, email her at hello@theflashpacker.net or follow her on social media.

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