Best eSIM for Czech Republic (2026): Prices, Networks and Which Plan to Buy

The best eSIM for Czech Republic trips on price is Wayfarro, which is cheapest or level with the cheapest on every plan we compared. Five gigabytes for 30 days costs $7.50 at Wayfarro against $12.50 at Nomad, and 10GB costs $12 against $16. Seven days of unlimited data costs $21 with Wayfarro, $25 with Nomad and $26.50 with Airalo. Wayfarro's prices come straight from its store; Nomad's and Airalo's were checked in October 2026.

The Czech Republic (Czechia on newer maps and signs) is a cheap, easy country for data. All three networks run 5G, Prague is well covered down to the tram stops, and the country is small enough that you're rarely far from a town. What trips people up is the border: Prague sits a few hours from Germany, Austria, Poland and Slovakia, and a Czech-only eSIM stops at the edge of all four.

Best eSIM for Czech Republic: prices compared

These are the plans from each provider's own Czech Republic page, confirmed in US dollars. Providers change prices and run sales often, so check before you buy.

Plan	Wayfarro	Nomad	Airalo
1GB · 7 days	$4	$4.50	—
2GB · 15 days	$5	—	—
3GB · 30 days	$5.50	$9	—
5GB · 30 days	$7.50	$12.50	—
10GB · 30 days	$12	$16	—
20GB · 30 days	$19	$20	—
50GB · 30 days	$45	$45	—
Unlimited · 1 day	$4	—	—
Unlimited · 3 days	$11	$11	$11.50
Unlimited · 5 days	$15	$18	$18.50
Unlimited · 7 days	$21	$25	$26.50
Unlimited · 10 days	$28	$33	$34
Unlimited · 15 days	$31	—	$48
Unlimited · 30 days	$45	—	$69
Networks	Not named on the plan page	O2, Vodafone	O2 + 1 more

How to read this table: Wayfarro is under Nomad on every fixed-data row except 50GB, where they're level. On unlimited plans Wayfarro and Nomad are level at 3 days, Wayfarro is cheapest from 5 days up, and at 15 and 30 days Airalo is the only other option and costs a lot more. Wayfarro is the only one of the three with a 1-day unlimited plan, a 2GB plan and a 100GB plan. Airalo's Czech page showed only unlimited plans when we checked; it also sells fixed-data plans, so check its site for those. A dash means the provider doesn't sell that exact plan, or we couldn't confirm its US-dollar price.

Wayfarro's unlimited rows are its Unlimited Lite plans: 1GB a day at full speed, then 512 kbps until the next day. It also sells Unlimited Essential (1GB a day, then 1.25 Mbps) and Unlimited Plus (2GB a day, then 2 Mbps). Seven days costs $22 on Essential and $25 on Plus. Nomad and Airalo don't publish a daily high-speed allowance for their Czech unlimited plans. Nomad says its eSIMs support hotspot.

Which is the best eSIM for Czech Republic travel for your trip?

Pick by itinerary:

• Prague weekend (2–3 days): 1GB at $4 covers maps, the transport app and WhatsApp; Nomad's 1GB is $4.50. A heavy-use weekend gets the 3-day unlimited at $11, level with Nomad and under Airalo. A single day between trains gets the 1-day plan at $4.
• Four or five days, Prague plus a day trip: 3GB at $5.50 against $9 at Nomad is enough for Kutná Hora, Karlštejn or Český Krumlov on top of the city.
• One week, normal use: 5GB at $7.50 against $12.50 at Nomad.
• One week, heavy use (video, social, hotspot): 7-day unlimited at $21, the cheapest of the three. The Plus tier at $25 gives 2GB a day before the slowdown.
• Two weeks across Bohemia and Moravia: 10GB at $12 or 15-day unlimited at $31. Nomad's 10GB is $16, and Airalo's 15-day unlimited is $48.
• A month, or a work stint in Prague or Brno: 20GB at $19 against $20 at Nomad, or 30-day unlimited at $45 against $69 at Airalo.
• Prague plus Vienna, Berlin, Dresden or Kraków: A Czech-only plan stops at the border. See the regional note at the end.

Networks and coverage in the Czech Republic

The Czech Republic has three mobile networks: T-Mobile (owned by Deutsche Telekom), O2 (owned by PPF) and Vodafone. All three run 5G. Nomad's Czech eSIM lists O2 and Vodafone, Airalo's lists O2 plus one other network, and Wayfarro's plan page doesn't name its partner, so you'll see which one you're on when you land.

Where coverage matters more than price:

• Prague: Fast on every network, with 5G through the centre, along the river and out to the airport.
• Brno, Ostrava, Plzeň, Olomouc and Liberec: All well covered, and the D1 motorway between Prague and Brno is fine for the whole drive.
• Trains: The Prague–Brno–Vienna and Prague–Dresden–Berlin lines have good coverage between stations with the usual tunnel dropouts. České dráhy and RegioJet trains have Wi-Fi on most intercity services.
• Český Krumlov, Kutná Hora and Karlovy Vary: Fine in the towns. The castle tours and the Sedlec ossuary are indoors, so download tickets first.
• Bohemian Switzerland, the Krkonoše and Šumava: The national parks have gaps on the trails and in the valleys. Save the Mapy.cz map for the area before you set off; it's the hiking map locals use and works offline.
• Border towns: Around Cheb, Znojmo, Břeclav and Děčín your phone may latch onto a German, Austrian or Slovak tower. A Czech-only eSIM then shows no service until you move back into Czech coverage.

The Czech Republic is in the EU, so an EU SIM roams there at home rates. Travelers from the US, UK, Canada, Australia and most of Asia pay their carrier's daily rate, which is where an eSIM pays for itself.

How to set up an eSIM for the Czech Republic

Install at home, switch it on when you land. It takes about two minutes:

1. Check your phone is unlocked and supports eSIM. iPhone XS and later, Google Pixel 3 and later, and most recent Samsung Galaxy phones do.
2. Install over Wi-Fi before you fly. Scan the QR code or use the one-tap install link. Step-by-step install guide.
3. Label it "Czechia" so it's easy to find in settings.
4. When you land, set the Czech eSIM as your mobile-data line and turn on Data Roaming for it. Travel eSIMs technically roam, so data won't connect without this.
5. Keep your home SIM on for calls and texts (with its data roaming off) so bank codes still arrive.

With Wayfarro, the plan's validity starts when the eSIM first connects in the Czech Republic, not when you install it. If you run low, you can top up the same eSIM without reinstalling it.

Prague and Czech travel tips that save data

A few apps carry a Czech trip. Load them before you leave the hotel Wi-Fi:

• PID Lítačka for Prague's metro, trams and buses: buy 30-minute, 90-minute or multi-day tickets in the app and it holds them offline. The same ticket covers the airport bus.
• Mapy.cz for walking and hiking maps, better than Google in the countryside and fully offline once you save a region.
• České dráhy or RegioJet for train tickets; RegioJet to Brno and Vienna sells out on weekends, so book before you go.
• Bolt or Uber rather than hailing a cab in the tourist areas, where overcharging is a long-running complaint.
• A currency app: the Czech Republic uses the koruna, not the euro, and some places in the Old Town quote euro prices at poor rates.

Free Wi-Fi is easy to find in cafés, pubs, hotels and the main stations, so a fixed plan goes further if you save the video uploads for the evening. One local quirk: many of the best beer halls and restaurants outside the centre are cash-friendly but card-light, so keep the banking app handy to find an ATM that belongs to a bank rather than a tourist-rate machine.

Bottom line

Wayfarro is the best eSIM for Czech Republic trips on price at every size, and the only one here with a 1-day plan. Nomad is level on 3-day unlimited and 50GB and a little higher on the rest; Airalo costs more for the same number of unlimited days. Whichever you choose, install it at home and turn on data roaming when you land. See Wayfarro's Czech Republic eSIM plans. If Prague is one stop on a longer trip, the Europe regional eSIM covers Czechia and its four neighbours on one eSIM, and the Trip Builder combines country plans by the day. Starting or ending in Berlin or Munich? Read the best eSIM for Germany.