The box that's missing from your Europe travel plan, and it's the one you'll use the most

Anyone who organizes a major trip to Europe usually does so with a remarkable level of detail.

Flights compared for weeks. Hotels booked one by one after reading reviews. Inter-city trains bought from Mexico because they're better value. Museum tickets reserved months in advance because they sell out. Travel insurance purchased. Currency exchanged here. Suitcase weighed at home. And often all of that organized in a multi-tabbed spreadsheet.

And almost all those spreadsheets are missing the same line.

Madrid and the Real Weight of Europe

It's worth placing the destination in its context. In the ranking of the most booked international destinations by Mexicans in 2025, Madrid appears in fourth place, ahead of most European cities and a good portion of beach destinations.

Source: 2025 international destinations ranking compiled by Despegar.

And the overall volume continues to grow: 6,641,155 Mexican residents visited abroad in September 2025, 10.4 percent more than the same month last year.

Source: INEGI, International Traveler Survey.

Europe is not the most frequent destination for Mexican travelers, but it is one with the highest ticket price and most extensive planning. And precisely for this reason, it's striking that it's the type of trip where the missing box is most noticeable.

Why that box remains empty

It's not an oversight. It's a matter of mental categorization.

Things that go into a travel spreadsheet are purchases: flight, hotel, train, ticket, insurance. Things that are paid once and then finalized.

Internet is not perceived as a purchase. It's perceived as a service, something that's there like electricity or water. And services don't get spreadsheets, because at home they just exist.

The problem is that as soon as you cross the border, it stops being a service that's just there and becomes a purchase that needs to be made. Nobody warns of this change of status, and that's why the line never gets written.

The Specifics of a Multi-Country Trip

When the itinerary includes several borders, two questions arise that don't exist in a single-country trip, and both should be resolved before departing.

The first is about coverage. Not all data plans cover multiple countries. Some are single-destination and others cover an entire region. This is exactly the kind of detail that needs to be checked product by product, just like you check what a hotel includes, and not take for granted.

The second is about rates. When crossing a land border, the phone changes networks. With your own operator's roaming, that can mean changing tariff zones mid-trip without any clear notification. This is one of the situations that generates the most uncertainty: the traveler sees the operator's name change on the train screen and has no way of knowing what it's costing them.

With a prepaid plan that covers the region, that question disappears: the price has already been paid and finalized.

A piece of information worth knowing about Europe

There's an asymmetry that explains a lot and surprises many Mexican travelers.

Since 2017, the European Union has prohibited roaming surcharges between its member countries. A resident of Spain crosses into France or Portugal, and their phone continues to work with their usual plan, without additional charges.

It's not a different technology. It's the same antennas and the same operators. The difference is regulatory.

For the Mexican traveler, this has a practical consequence and a deeper implication. Practically, the European resident sitting at the next table doesn't have to think about any of this. The deeper implication is that charging differently is perfectly possible, and that from Mexico, it simply doesn't apply: international roaming is always paid for.

The destination zone also matters

Before assuming that Europe is a cheap destination for data, it's worth checking your operator's table, because the groupings don't always align with geographical intuition.

In Telcel's published catalog, there's a 15 GB package valid for 20 days for the United States, Canada, Latin America, and Europe, alongside a "Rest of the World" zone package of 20 MB for 6,000 pesos.

Source: International roaming rates published by Telcel and registered in the Rate Book with the Federal Institute of Telecommunications.

An itinerary that includes a European country outside the preferred list, or a long layover in a third country, can completely change the bill. Ten minutes of review before buying the ticket clarifies it.

What to put in that box

The practical alternative is to buy data in advance, from Mexico, for the region of the trip.

Digital profiles, called eSIMs, are a file downloaded to your phone using home Wi-Fi, days before you leave. What this brings to a long, planned trip:

1. It's a number. It's noted in the spreadsheet next to the hotel and insurance, and ceases to be an unknown.
2. The price is fixed and prepaid, so there are no open charges that appear on the bill weeks later.
3. The Mexican SIM card is not removed. The number, WhatsApp with all its groups, and bank messages remain the same.
4. There's nothing to buy or install upon arrival, so the phone works from the airport corridor.

And there's a point that makes this fit well with someone who plans months in advance: the plan days run from the first use at the destination, not from the purchase, and there are 180 days to install it. You can buy in February and travel in July without losing a single day.

Where the risk occurs

The reasonable objection is what happens if the plan doesn't work.

The useful answer isn't to promise it never fails, but to note where the failure is discovered. Installed at home with days to spare, a problem is a twenty-minute hassle with Wi-Fi and time to resolve it or ask for a refund. Installed upon landing, the same problem ruins the first day of a trip that cost months of savings.

Frequently asked questions

Can one plan work for several European countries?

It depends on the specific plan. There are regional plans that cover multiple destinations and single-country plans. This is the first thing to verify in the product description before purchasing.

What about long layovers in a third country?

If the layover involves leaving the international zone and using the phone, it's advisable to check if that country is covered. If you only remain in transit with the device in airplane mode, it does not apply.

How do I check if my phone is compatible?

Open the dial pad and type `*#06#`. If, in addition to the IMEI, a number called EID appears, your device supports digital profiles. Two Mexican warnings: several Redmi and Xiaomi models sold here are the Latin American version and do not include it even if the international specifications for the same model say they do, and being unlocked is not the same as being compatible.

Does it work for calling hotels or restaurants in Europe?

Data plans do not include a local phone number or traditional calls. Calls are made via messaging apps. For reservations that only accept phone calls, it's advisable to plan ahead.

What happens on inter-country trains?

The phone changes networks when crossing. With a prepaid regional plan, this does not imply any change in tariff, because the price is already fixed.

Is a country-specific plan or a regional plan better?

If the itinerary includes three or four countries in the same region, a regional plan is usually simpler to manage than several single-country plans, as it avoids having to switch profiles at each border. If the trip is to a single destination with a short stopover, a country-specific plan is sufficient.

What if two people are traveling?

Each phone needs its own plan, because consumption is counted per line. For a couple's trip, that means two, not one. It's the same calculation you make for train tickets or museum admissions.

What to remember

• Madrid is the fourth most booked international destination by Mexicans, and Europe is the most planned trip.
• The internet line is missing from almost all spreadsheets because it is perceived as a service, not a purchase.
• On a multi-country trip, two things need to be checked before leaving: which countries the plan covers and what happens when crossing borders.
• Since 2017, Europeans do not pay surcharges between their countries, which demonstrates that the limitation was never technical.
• It's the only line of the trip that's used every hour of every day, and the only one almost no one writes down.

PuraSIM sells destination-specific data plans that can be purchased and installed from Mexico before traveling, with a fixed price, for over 200 destinations. Customer service is provided via email and WhatsApp, with agents who respond in Spanish. There is no phone support.