Europe is straightforward for eSIM. Coverage is excellent across Western and Central Europe, most plans cover 30-40 countries under one allowance, and prices have come down significantly over the last two years.
The main decisions are how much data you need, if you need UK coverage separately, and if you want a short-validity or longer plan.
What to look for in a Europe eSIM plan
Country coverage is the first thing to check. Most "Europe" plans cover EU member states plus a handful of non-EU countries like Norway, Switzerland, and Iceland. Some include the UK; many don't, or charge extra for it. If your trip involves the UK, check the plan specifics before buying.
Network quality varies. Budget plans sometimes use lower-priority roaming agreements that throttle speeds during peak times. Fine for Maps and messaging; noticeable if you're doing video calls or streaming. Plans that specify the partner network (Orange, Deutsche Telekom, Vodafone EU) are generally more reliable than those that don't.
Validity period. Most plans are 7, 15, or 30 days. Match it to your trip length - paying for 30 days when you're away for 10 is wasteful.
How much data for Europe?
A week of casual sightseeing - Maps, WhatsApp, Instagram, checking emails - uses 1.5-2.5GB realistically. 5GB for a week is comfortable. 10GB for two weeks is comfortable. Unless you're doing frequent video calls or streaming video, the unlimited plans aren't necessary and are usually priced as a premium.
Here's a rough breakdown by activity: Google Maps navigation eats about 5-10MB per hour of active use. Instagram browsing with stories runs about 100MB per hour. WhatsApp messages and voice notes are negligible. A 30-minute video call uses roughly 500MB. So the data hogs are video calls and social media scrolling - everything else is surprisingly light.
Country highlights
France, Germany, Spain, and Italy all have excellent 4G/5G infrastructure. You won't notice coverage gaps in any major city or tourist area. Greece is solid in Athens and main islands; smaller islands can be patchy. Croatia's coast is well-covered; inland rural areas less so.
Eastern Europe - Poland, Czech Republic, Hungary - is generally solid in cities. The Balkans (Serbia, Albania, North Macedonia) can have gaps in rural areas, though cities are fine.
Switzerland is worth a specific mention because it's expensive. Swiss data has historically been pricier than the rest of Europe, and some Europe eSIM plans either exclude Switzerland or charge a premium for it. If you're passing through on a train from Milan to Munich, check if your plan covers those few hours of Swiss transit.
The Nordics - Sweden, Finland, Denmark, Norway - have excellent coverage even in relatively rural areas. Norway's fjord regions are better covered than you'd expect given the terrain. Iceland is solid around Reykjavik and the Ring Road but drops off on highland interior tracks.
Multi-country trips
If you're doing a rail or road trip through multiple countries - which is how a lot of people experience Europe - a single regional plan is genuinely the better option versus buying separate country plans. You pay slightly more per GB but you have continuous coverage as you cross borders without any plan switching.
The classic interrail routes (Paris to Barcelona, Amsterdam to Berlin, Rome to Vienna) cross multiple networks without you doing anything. Your phone picks up the local partner network in each country automatically. There's no manual switching, no activation delay at the border. It just works.
Picking the right provider
For Europe specifically, the differences between eSIM providers come down to three things: which network they partner with in each country, their pricing per GB, and whether customer support is responsive if something goes wrong.
On getesimonline.com, the Europe plans list exactly which countries are covered and what network you'll connect to. That transparency matters because not all roaming networks deliver the same speeds. A plan that uses Orange in France and Deutsche Telekom in Germany will feel different from one using a smaller MVNO.
Practical tips for Europe travel
Download offline maps for each city before you leave. Even with a good eSIM plan, having offline maps as backup means you're never truly lost. Google Maps lets you download entire metropolitan areas in under 200MB each.
Turn off automatic app updates and iCloud photo sync over mobile data. These background processes can burn through a GB without you realising it. Set them to Wi-Fi only in your phone settings before you leave home.
If you're staying in one country for more than two weeks, a country-specific plan often gives better value than a regional Europe plan. The per-GB cost drops significantly when the provider only needs one network agreement instead of forty.
Browse all European eSIM plans to compare options. The country pages for France, Germany, Italy, and Spain have more destination-specific detail.