Do I need an eSIM in Czechia if I have EU roaming?

EU roaming works in Czechia too, but many German plans limit the data you can use abroad or slow your speed once you hit a limit. If you spend several days in Prague navigating, uploading photos and looking up travel information, a Czech data plan on an eSIM is better and cheaper.

Does the eSIM also work outside Prague in Czechia?

Yes. O2 Czech Republic covers 97% of the Czech population, and you get stable 4G in popular travel regions such as Bohemian Paradise, the Bohemian Forest and the Giant Mountains, and in cities such as Brno, Karlovy Vary and Olomouc.

How much data do I need for a trip to Prague?

For a weekend in Prague with navigation, restaurant searches and social media, 2–3 GB is enough. For a week with excursions to the surrounding area and regular photo sharing, we recommend a 5 GB plan.

Do I need to think about the local currency in Czechia, since it isn't the euro?

Czechia uses the Czech koruna (CZK), not the euro. That only affects what you spend on the ground, though. You book and pay for your eSIM in euros at Reisechip, with no exchange-rate hassle.

Is 5G available in Czechia?

Yes. O2 Czech Republic and T-Mobile CZ are steadily expanding their 5G networks. 5G is already available in Prague and other big cities. In rural areas 4G/LTE is the standard, and it lets you navigate, stream and communicate without any trouble.

How much does an eSIM for Czechia cost?

eSIM data plans for Czechia start at €0.99. You pay once for the data you choose — no contract, no monthly fee and no surprise roaming bill. Bigger data packs and longer validity cost more.

Which mobile networks does the eSIM use in Czechia?

In Czechia the eSIM connects automatically to local networks such as O2 Czech Republic, T-Mobile CZ, T-Mobile Czech Republic, Vodafone Czech Republic, on 4G/LTE and on 5G where it is available. Coverage in populated areas is around 97% of the population. Your phone always picks the strongest network nearby.

Will I keep my German phone number with an eSIM in Czechia?

Yes. Your German SIM and number stay active, and the travel eSIM runs alongside it as a data-only plan. You stay reachable on WhatsApp, iMessage or over Wi-Fi while browsing on the local network. Normal calls and texts still go through your German number, where roaming charges may apply.

Can I top up or extend my Czechia data plan?

Yes. When your data runs out or the plan expires, just buy another pack. The eSIM profile already on your phone stays in place, so there is nothing to reinstall and you stay online without a break.

Can I use the eSIM as a Wi-Fi hotspot in Czechia?

Yes. You can share the connection with a laptop, tablet or a travel companion through your phone's personal hotspot. Hotspot use comes out of the same data allowance, so choose a slightly larger pack if you plan to tether.

Should I install the eSIM before I leave or after I arrive?

Install it at home over Wi-Fi before you travel. The data plan switches on automatically when your phone joins a network in Czechia, so you are online the moment you land instead of hunting for airport Wi-Fi.

Will the eSIM work on my phone?

It works on any eSIM-capable phone, including iPhone XS and later, Samsung Galaxy S20 and later and Google Pixel 3 and later. The phone must also be unlocked (not tied to one network). To check yours, look for "Add eSIM" under Mobile Data or Connections in your settings.

eSIM plans for Czechia

Instant delivery

Czechia: your travel eSIM from €0.99 works as soon as you land and connects to O2 Czech Republic, T-Mobile CZ, T-Mobile Czech Republic, Vodafone Czech Republic (4G/LTE where available), network coverage 97% of the population. Install it by QR code before you leave Germany — no roaming charges, no SIM swap.

Your selection

Select a plan

Payment methods

Instant email delivery
30-day refund on unused eSIMs
Support in English
Visa · Mastercard · Maestro · Apple Pay · PayPal

eSIM for Czechia at a glance

Price from: €0.99
Local networks: O2 Czech Republic, T-Mobile CZ, T-Mobile Czech Republic, Vodafone Czech Republic
Technology: 4G/LTE & 5G
Network coverage: 97% of the population
Activation: QR code — install before you leave
Suggested data: 1–3 GB light use · 5 GB with social media · 10 GB+ streaming

All eSIM plans for Czechia

Data	Validity	Price
Unlimited	1 day	€0.99
Unlimited	3 days	€3.99
Unlimited	5 days	€5.99
Unlimited	7 days	€8.49
Unlimited	10 days	€11.49
Unlimited	15 days	€16.99
Unlimited	30 days	€32.99
1 GB	7 days	€1.99
2 GB	15 days	€2.49
3 GB	30 days	€3.49
5 GB	30 days	€4.49
10 GB	30 days	€6.99
20 GB	30 days	€11.49
50 GB	30 days	€24.49

Prague is one of the most beautiful cities in Europe, and Czechia has far more to offer than its golden capital. From the medieval old town with Charles Bridge and the picturesque Bohemian Paradise to the spa towns of Karlovy Vary and Mariánské Lázně, you need reliable internet along the way for navigation, tickets and hotel bookings. With a Reisechip eSIM you use the fast O2 network with 4G/LTE and 5G, with no roaming surprises and no SIM swap. You are online from the first step off the plane.

Flight time from Germany

about 1–1.5 hours

Time zone

UTC+1 (same as CET)

Best time to travel

June–September

Plug type

Type C/E (no adapter needed)

Why get an eSIM for Czechia?

Czechia is in the EU but not in the eurozone, and many German mobile plans throttle your data abroad in the EU sooner than you might expect. On city breaks to Prague, where you constantly navigate between sights, look up restaurants and share photos, the data runs out quickly. With a Reisechip eSIM you book exactly the data package you need and browse on the O2 network with 97% coverage, including rural regions such as the Bohemian Forest or the Giant Mountains. Setup takes only a few minutes: scan the QR code, install the eSIM, and you are connected as soon as you land in Prague. Your German number stays active, so family and colleagues can still reach you.

What is network coverage like in Czechia?

Network operator

O2 Czech Republic

+ T-Mobile CZ

Technology

4G/LTE & 5G

Coverage

97% of the population

How do I install an eSIM for Czechia?

1
Buy a plan
Pick the data plan for Czechia that fits your trip and check out.
2
Scan the QR code
Open the email with your QR code and scan it with your phone's camera while you are still in Germany.
3
Add the eSIM
Follow the steps on your phone to add the eSIM as a data plan. Your German SIM stays in place.
4
Go online
Switch on the eSIM when you land in Czechia and you are online straight away.

1
Buy a plan
Pick the data plan for Czechia that fits your trip and check out.
2
Scan the QR code
Open the email with your QR code and scan it with your phone's camera while you are still in Germany.
3
Add the eSIM
Follow the steps on your phone to add the eSIM as a data plan. Your German SIM stays in place.
4
Go online
Switch on the eSIM when you land in Czechia and you are online straight away.

Which eSIM plan suits me?

Holiday

Away for 1–2 weeks? A 3–5 GB plan covers maps, photos and messages.

Business trip

For video calls and email on the go, choose at least 5 GB or an unlimited plan.

Backpacking

On longer trips, a 10 GB+ plan or a regional plan for several countries pays off.

Family

With several devices, pick a plan with hotspot support and enough data for everyone.

eSIM vs. local SIM vs. Wi-Fi hotspot — what works best for Czechia?

	eSIM	Local SIM card	Wi-Fi hotspot
Activation	Instant (QR code)	Buy on arrival	Pick-up or delivery
Setup	2 minutes	SIM swap needed	Extra device
Price	From €0.99	€5–30	€5–15 per day
Network	Local 4G/LTE	Local 4G/LTE	Local 4G/LTE
Devices	1 smartphone	1 smartphone	Up to 5 devices
Flexibility	Top up any time	Fixed allowance	Daily rental
Best for	Most travellers	Long stays	Groups and families

eSIM for Czechia: frequently asked questions

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