eSIM Czech Republic
The Czech Republic eSIM from 1,95€ runs on T-Mobile, O2 and Vodafone with 1 to 20 GB, prepaid with no contract and no registration — you are online minutes after landing in Prague.
Your Selection
Your plan only starts counting when the eSIM first connects at your destination — so you can buy today and travel in three weeks.
How does Simbye eSIM work for the Czech Republic?
Order before you fly
Pick your package, pay, and the eSIM arrives by email as a link and a QR code. Install it at home on Wi-Fi — it takes under two minutes. The validity does not start yet.
Switch it on after you land
Whether you arrive at Prague Václav Havel Airport (PRG), Brno-Tuřany (BRQ), Ostrava (OSR), Pardubice (PED) or Karlovy Vary (KLV) — or by train from Dresden, Berlin or Vienna — turn the line on in your settings, leave data roaming enabled for the eSIM, and you are online before you reach baggage claim.
Keep an eye on your data
Your normal SIM can stay in the phone for calls and texts while the data runs over the eSIM. When the package runs low you top up online — no reinstalling, no swapping eSIMs.
Check Device Compatibility
Make sure your device supports eSIM before purchasing
Which networks will you be on in the Czech Republic?
In the Czech Republic the eSIM automatically picks whichever of T-Mobile, O2 or Vodafone is strongest where you are.
The Simbye eSIM uses 3 networks in the Czech Republic: T-Mobile · O2 · Vodafone.
| Networks | Download | Upload | Latency |
|---|---|---|---|
 | 97Mbit/s | 24Mbit/s | 33ms |
 | 107Mbit/s | 28Mbit/s | 28ms |
 | 60Mbit/s | 25Mbit/s | 34ms |
Source: nPerf averages, 01.01.2025 – 31.12.2025.
You are not tied to one operator. The eSIM gives you access to the three big Czech networks — T-Mobile, O2 and Vodafone — and your phone picks the strongest one after you land, switching as you move. If you ever see no bars at all, go into your settings, change network selection from automatic to manual, tap a different Czech network, then switch back to automatic. Data roaming has to stay on for the eSIM; that is normal for a travel eSIM and costs nothing extra.
At Václav Havel Airport in Prague the eSIM connects the moment you turn off flight mode, and that is all you have to do. Prague, Brno, Ostrava, Plzeň, Liberec and Olomouc all have fast, consistent coverage, with 5G in most larger cities. The Prague metro has been fully covered since 2021 — all 61 stations plus the tunnels between them, so you stay online between Můstek and Háje. Coverage along the D1 motorway (Prague–Brno–Ostrava) and on the rail lines to Karlovy Vary, České Budějovice and Český Krumlov is solid. It thins out in the valleys of the hiking and ski regions: Šumava (Bohemian Forest), Krkonoše (Giant Mountains), Bohemian Switzerland, the Jeseníky mountains and the rock towns of Adršpach. Download the map offline before you head out there and a dead spot in the forest stops mattering.
eSIM or a local SIM card in the Czech Republic?
Czechia is one of the few places where a local prepaid card needs no registration either, so the real difference is time: the eSIM installs at home and keeps your number live, while a card means finding a shop first.
| Feature |  Simbye eSIM |
Local SIM card |
|---|---|---|
| When you get it | By email before you fly, installed at home on Wi-Fi | Only after you land: find a shop, catch its opening hours, get it set up |
| ID and registration | Not needed, you buy online | Not needed in the Czech Republic either — prepaid is sold there without registration |
| Paying | Card or PayPal, in your own currency | In Czech koruna (Kč) on the spot, at a machine or in a shop |
| Phone number | None — data only, no calls, no SMS | A Czech +420 number is included |
| Your usual number | Stays active in the phone, WhatsApp and bank texts keep working | Has to come out if your phone has only one SIM slot |
| Data and validity | 1 to 20 GB, 7 to 30 days, topped up online any time | Credit from a shop, a machine or an app in Czech |
| Hotspot for laptop or tablet | Allowed, you simply share your data | Allowed on some tariffs, buried in Czech small print |
| If something goes wrong | Email support in English or German | Back to the shop, where help is often only in Czech |
For most travelers the eSIM is the simpler choice: set up before departure, no queuing on arrival.
How much data do you need in the Czech Republic?
Trip length
How you use your phone
What does an eSIM for the Czech Republic cost?
from 1,95€
6 plans · 7–30 days
Simbye offers 6 plans for the Czech Republic from 1,95€ to 42,95€ — prepaid, no contract.
Plans for the Czech Republic range from 1 GB to 50 GB.
Validity runs from 7 to 30 days and starts with your first connection in the Czech Republic.
Data plans
- 1 GB 7 days 1,95€ 0,27€ per travel day
- 3 GB 30 days 4,95€ 0,16€ per travel day
- 5 GB 30 days 6,95€ 0,23€ per travel day
- 10 GB 30 days 11,95€ 0,39€ per travel day
- 20 GB 30 days 19,95€ 0,66€ per travel day
- 50 GB 30 days 42,95€ 1,43€ per travel day
Good to know
- Networks
- T-Mobile + O2 + Vodafone
- Setting it up
- A link in your email, or the QR code — one tap is enough
- Network technology
- 4G/LTE — and 5G where the network already offers it
- APN and settings
- Nothing to set. The eSIM brings everything with it
- Hotspot
- Allowed — for a laptop, tablet or a travel companion
- Adding more data
- Top up any time, without setting anything up again
- Calls and texts
- Not included — WhatsApp calls run over the data
- Your own number
- Stays in the phone and stays reachable
- Contract
- None. The plan ends by itself
- Worth knowing
- Prepaid instead of a contract — useful as a second line, or when your own data allowance is used up
Frequently Asked Questions about Czech Republic eSIM
Data, calls, real phone numbers, top-ups and setup — everything you need to know before you buy a Simbye eSIM.
It works across the whole country, not just in Prague. It uses the T-Mobile, O2 and Vodafone networks — from Prague to Brno, Ostrava, Plzeň and out to the border regions. You also have signal in the Prague metro: all 61 stations and the tunnels between them have been covered since 2021.
eSIM use in the Czech Republic covers T-Mobile, O2 and Vodafone. You are not assigned to one operator: your phone picks the strongest network after you land and switches as you move.
No Czech phone number comes with it. This is a pure data plan: no +420 number, no calls, no SMS over the network.
No, not in the Czech Republic. You buy online, with no contract and no registration. Local prepaid cards are sold in the Czech Republic without registration too, so there is nothing to sign up for.
You do need a Czech number for Prague public transport if you want the SMS ticket to 90206. Without one, buy your ticket in the PID Lítačka app by card, or tap your contactless card on the reader as you board.
No, it doesn't work in Germany, Austria or Poland. If you are visiting several countries, take a Europe package instead. Near the border your phone may latch onto a neighbouring network — if that happens, select T-Mobile CZ, O2 CZ or Vodafone CZ manually for a moment.
You can buy an eSIM for the Czech Republic online in a couple of minutes. An eSIM for the Czech Republic is a digital SIM card built into your phone. Choose a plan from the price table above on this page, pay, and the QR code arrives by email. Scan it with your camera and the Czech profile installs. Buy it at home before your flight so you are online the moment you land in Prague.
Yes, the Czech Republic supports eSIM. Czech mobile networks carry eSIM traffic, so a travel eSIM works in Prague, Brno, Ostrava and the countryside in between. There is no shop visit, no paperwork and no plastic card. All you need is a phone with an eSIM slot — iPhone XS and newer, most recent Samsung, Pixel and Xiaomi models.
An eSIM for the Czech Republic starts at 1,95€, with the exact price depending on how many gigabytes and how many days you pick. A city break needs far less data than a two-week trip, so the small plans stay low. You pay once, up front, with no contract.
There's no single eSIM that's best for the Czech Republic. What matters is coverage where you actually travel, how much data you need, how long it stays valid, and whether you need a Czech number for calls. This eSIM uses T-Mobile, O2 and Vodafone and picks the strongest, with 1-20 GB. Right for a Prague trip or a road trip, not for a local number.
Ready for the Czech Republic?
Pick a plan, tap the link in your email — you are online from the moment you land.
Choose a planPrepaid, no contract. The plan simply ends on its own.
