Buy a plan
Pick a destination and data amount — pay in seconds.
eSIM for Czech Republic
O25G
Vodafone5G
Choose your plan
How much data, for how long?
01Pick your data — popular price shown
Need fewer/more days?
Validity starts on first connection. Hotspot supported. No throttling. Refundable within 7 days if unactivated.
Going elsewhere too?
Add another country to bundle on the same eSIM — pay separately per stop, manage in one app.
Czech Republic
3 GB · 10 days
Total
€3.99EUR
Buy eSIM data plans for Czech Republic
A Czech Republic eSIM is a prepaid data plan that connects your phone to local Czech Republic networks the moment you land — a digital SIM you install before you fly, with no queues, no SIM swap and no roaming fees.
A Czech Republic eSIM is a data-only plan that loads onto your phone before you fly, so coverage begins the instant you reach the terminal. Landing at Prague's Václav Havel Airport, you skip the SIM kiosks and step out already online. The plan connects you to Czech mobile networks O2 (5G) and Vodafone (5G), the same towers locals rely on. There are no roaming fees to worry about and nothing to swap on arrival, so you can pull up maps, message home, and call a ride before your luggage even reaches the carousel. Set it up on hotel Wi-Fi the night before and you're ready the moment you land.
Hassle-free refund
Activation issue? We fix it or refund you in full.
Plans don't expire
Buy now, activate whenever your trip starts.
Secure checkout
Encrypted payment via Paysera — cards & wallets.
24/7 support
Real people, any time zone, before and during your trip.
How eSIM works in Czech Republic
Choose a data plan for Czech Republic, install the eSIM before your trip, and activate it when you arrive. Your regular SIM can stay in your phone, while the eSIM gives you mobile data for travel apps, messaging, maps and browsing.
Install in a tap
Scan the QR or auto-install in the app — no physical SIM.
Land & connect
Data activates on first connection at your destination.
What you can do with 3 GB
- ≈ 600 hrsMaps & navigation
- UnlimitedMessages
- ≈ 1,000Photos shared
- ≈ 50 hrsSocial & browsing
- ≈ 8.8 hrsVideo calls
- ≈ 38 hrsMusic streaming
Important cities in Czech Republic
Prague · City guide
Prague
A Prague eSIM keeps you oriented as you wind between the Old Town Square and the Astronomical Clock, then cross the Charles Bridge toward Prague Castle on the far bank. The old-town lanes twist and double back, so steady mobile data is what turns a confusing map into a clear route. Use it to check opening times before you climb to the castle, share your spot with friends, and keep messages flowing all day.
Prague eSIM — online before you land →Brno · City guide
Brno
Brno rewards travellers who like to wander, from Špilberk Castle on its hill to the functionalist Villa Tugendhat and the lively student centre below. A data plan for Brno helps you look up which sites need timed tickets, find your way between them on foot, and stay reachable while you settle into a café in the student quarter. Keep your Brno eSIM running and you'll never be more than a tap away from directions or a quick reply home.
Brno eSIM — online before you land →Český Krumlov · City guide
Český Krumlov
Český Krumlov packs its UNESCO-listed old town and a riverside castle into the tight bends of the Vltava, a place best discovered on foot. A Český Krumlov eSIM lets you follow walking routes through the lanes, read up on the castle before you visit, and post a photo from a viewpoint over the river. With data on your phone you can wander freely and still find your way back to the bridge whenever you're ready.
Český Krumlov eSIM — online before you land →Karlovy Vary · City guide
Karlovy Vary
Karlovy Vary unfolds along its spa promenade, where colonnades shelter thermal springs and the town settles into a wooded valley. A data plan for Karlovy Vary helps you check spring schedules, follow the promenade between colonnades, and look up a quiet trail into the valley. Keep your Karlovy Vary eSIM connected and you can stay in touch with family while you take the unhurried pace this town is built for.
Karlovy Vary eSIM — online before you land →Why Horizon
Why choose our eSIM for Czech Republic
An eSIM lets you skip pricey roaming and have working data the moment you land, which matters whether you're visiting family across the diaspora or exploring the country for the first time.
Find the plan that fits you
From 1 GB for a quick trip to unlimited for the long haul — pick exactly what you need.
Easy to use
Install in a couple of taps before you go, then it activates automatically when you arrive.
Avoid roaming charges
Know exactly what you'll pay up front. No surprise bills, no hidden fees when you land.
One eSIM for all your travels
Add new destinations and top up on the same eSIM — no new install for your next trip.
Stay connected
We'll alert you as you approach your limit, so you can top up before you drop offline.
Global & regional plans
Single-country, Europe-wide, or worldwide coverage — connect across borders and beyond.
Frequently asked questions
Which mobile networks does the Czech Republic eSIM use?
It connects to leading Czech networks O2 and Vodafone, both of which run 5G where it's available and fall back to dependable 4G elsewhere. Your phone picks the strongest local signal automatically, so you don't choose a carrier manually.
How good is coverage outside Prague and the bigger cities?
Coverage is strong across city centres like Prague, Brno, Český Krumlov and Karlovy Vary, where you'll have steady data for maps and messaging. Out in the Bohemian countryside it can be more variable, so it's worth downloading offline maps before a day trip.
I'm visiting several Central European countries. Is this the right plan?
This is a Czech Republic-only plan, so it's ideal if your trip stays within the country. If you're crossing into neighbouring countries on the same journey, choose a regional Central Europe eSIM instead so your data follows you across borders.
When should I set up the eSIM before landing in Prague?
Install and activate it over Wi-Fi the day before you fly, while you still have a stable connection. That way it's ready to switch on the moment you reach the terminal at Prague's Václav Havel Airport, with no setup needed after you land.
Will my phone work with a Czech Republic eSIM?
Most phones from the last few years support eSIM, but you'll need a model that's both eSIM-capable and carrier-unlocked. Check your settings for an option to add a data or mobile plan via QR code, and confirm before you travel so there are no surprises.
Can I keep my own number and use a hotspot in the Czech Republic?
Yes. The eSIM runs alongside your usual SIM, so your home number stays active for calls and texts while the eSIM handles data. Most phones also let you share that data over a personal hotspot, handy for a laptop or a travel companion's device.