Europe Multi-Country Trip? Here's How to Handle Data Across Borders

Interrailing through five countries in two weeks shouldn't mean five different SIM cards — and with eSIMs, it doesn't have to. But it also doesn't automatically mean you need one expensive regional plan either. I pulled live per-country pricing for the five countries covered here — Germany, France, Spain, Italy, and Greece — to show what buying per-country actually costs in practice, so you can compare it honestly against a regional plan instead of guessing.

The quick answer

• The single biggest thing to check first: whether your provider's plan is priced per-country or covers your whole route on one purchase. Maya Mobile, for example, charges the same flat rate in all five of these countries — $19.99 for 7 days of unlimited data, in Germany, France, Spain, Italy, or Greece alike.
• If you're spending most of your trip in one country with short day trips elsewhere, a single-country plan is almost always cheaper than a regional one.
• If you're genuinely moving through 3 or more countries on a tight itinerary, the calculation changes — see the cost comparison below before deciding.
• Notable pattern: across all five countries, Maya Mobile's flat weekly rate ($19.99) matched or beat every single-country unlimited competitor we checked — a useful baseline to compare any regional plan against.

What a week actually costs, country by country

Here's the cheapest 7-day unlimited option we found in each of the five countries, based on live pricing:

• Germany: Maya Mobile, $19.99 — next cheapest is Nomad eSIM at $23.
• France: Maya Mobile, $19.99 — next cheapest is Ubigi's 7-day at $20 (Airalo doesn't sell unlimited plans for France at all, fixed-data only).
• Spain: Maya Mobile, $19.99 — Ubigi's 8-day unlimited at $18 is close behind on a per-day basis.
• Italy: Maya Mobile, $19.99 — Ubigi's 8-day unlimited at $19 is similarly close.
• Greece: Maya Mobile, $19.99 — next cheapest is Ubigi's 7-day at $24.

Add up a week in each of two countries — say France and Italy — and you're looking at $39.98 total buying two separate Maya Mobile plans, still cheaper than most single providers' one-week price in a single country like Holafly (which runs $23.90-$27.50 per week depending on the country). See the full Greece eSIM comparison for a deeper per-provider breakdown of one of these five destinations.

If your pace is slower and you're settling into one country for most of a month rather than moving quickly, fixed-data plans undercut unlimited by a lot: Ubigi's 20GB/30-day tier runs $9 in France, Spain, and Italy, and $14 in Germany (Greece's closest equivalent is a 25GB/30-day tier at $22) — all comfortably cheaper than a week of unlimited from most providers, if that much data actually covers your usage.

Single-country vs. regional plans

If you're spending most of your trip in one country with short day trips elsewhere, a single-country plan is usually cheaper — the per-country pricing above shows why, especially once you factor in fixed-data tiers instead of unlimited, which run even lower.

If you're genuinely moving between 3+ countries on a tighter schedule, the calculation shifts. A regional Europe plan (sold by several of the same providers, priced separately from their per-country plans) can save you from juggling multiple installs and reactivations at each border. The tradeoff is usually a lower total data allowance and sometimes a higher per-GB cost than stacking single-country plans — so it's worth comparing the regional plan's specific price and data cap against simply buying per-country before assuming it's the cheaper or simpler option.

One thing worth checking specifically: some providers price identically regardless of destination — Maya Mobile is the clearest example among the six we track, charging the same rate in all five of these countries. Worth confirming whether a single purchase like that actually carries across your whole itinerary without needing to reinstall at each border, since that's the real convenience a "regional" plan is supposed to offer.

Why the prices vary so much between these five countries

Same three pricing models we see everywhere: Holafly and Maya both sell unlimited-only, but Holafly prices Germany more expensively ($73.90/month) than Spain or Italy ($64.50/month), while Maya charges the identical flat rate in all five. Airalo, Nomad eSIM, Saily, and Ubigi all mix fixed-data with unlimited, and their fixed-data pricing varies noticeably by country — Ubigi's 20GB/30-day tier, for instance, runs from $9 in France and Spain up to $14 in Germany, despite being the same provider and the same data amount.

A quick checklist before you book anything

1. Map out how many countries you'll actually use data in, and for roughly how long in each.
2. Compare a regional plan's total price and data cap against simply buying per-country using the numbers above.
3. If a provider prices flat globally (like Maya Mobile), check whether that single purchase actually works across borders without reinstalling — that's the specific convenience worth paying for.
4. Check each plan's data cap carefully — some regional and fixed-data plans throttle speed after a certain amount rather than cutting off entirely.

A few things worth knowing before you buy

Most phones can only have one eSIM actively transmitting data at a time, even if several are installed — so if you do go the single-country route for a multi-country trip, you'll need to actively switch the active line at each border, not just install everything in advance.

Install before you fly, or as early as possible once you have wifi in the next country — every provider here lets you activate on your own schedule rather than the moment you buy.

New to eSIMs altogether? Our beginner's guide to how eSIMs work covers the basics before you commit to a multi-country plan.

Check your phone is eSIM-compatible and carrier-unlocked first — our compatibility guide takes about a minute, and it's worth doing before you commit to a multi-country plan of any kind.

FAQ

Is a regional Europe plan ever actually cheaper than buying per-country? It can be, mainly on longer trips through many countries where the convenience and avoided per-border admin outweighs a higher per-GB cost. For trips through 2-3 countries, per-country pricing — especially from a flat-rate provider like Maya Mobile — is usually cheaper.

Do I need to buy a new eSIM at every border? Only if you're using single-country plans. A genuinely regional plan, or a flat-rate global provider whose coverage spans your whole route, avoids this — confirm which one you're buying before you commit.

What if I run out of data mid-trip in one of these countries? Every provider here lets you buy a top-up or a fresh plan straight from their app — no contract, no penalty, and it works the same whether you're on a single-country or regional plan.

Should I install all my eSIMs before I leave home? Yes, if wifi at each destination isn't guaranteed — you can install multiple profiles in advance and just switch which one is active as you cross each border, as long as your phone supports multiple stored eSIMs.

Is it worth mixing providers across countries instead of sticking with one? Often yes — the cost comparison above shows Maya Mobile winning most single-week comparisons, but a fixed-data plan from Ubigi or another provider can beat it if you're settling into one country for longer. There's no penalty for using a different provider in each country on your route.

See the full, live plan lists for Germany, France, Spain, Italy, and Greece if you want to compare exact tiers for your specific route.