Best eSIM for the Czech Republic: Real Prices Compared for Prague and Beyond

Prague gets all the attention, and fairly — it's one of the best-preserved old cities in Europe, and I've never managed to walk across Charles Bridge without stopping to take the same photo everyone else is taking. But the Czech Republic rewards getting out of the capital too, whether that's Český Krumlov's castle town or a beer-focused detour to Plzeň, and every one of those stops means relying on data to navigate somewhere your phone doesn't already know. I checked live pricing across the 121 providers we track for the Czech Republic, so here's what you'll actually pay.

The quick answer

• Cheapest possible entry point: Yatelo's 1GB/7-day plan at $1.41.
• Cheapest real Unlimited: AirSims' 1-day Unlimited at $2.09.
• Cheapest full month: BNESIM's 1GB/30-day plan at $2.51, or Yatelo's 3GB/30-day at $2.72 for more headroom.
• Cheapest full-month Unlimited: AirSims again, at $18.15 — comfortably ahead of AirPlans' $25.55 for the same tier.

Czech Republic price comparison

Full comparison →

Yatelo $1.41 Cheapest BNESIM $2.51 AirSims $2.09 Yaalo $2.15

Comparison by eSIMKart

Live Czech Republic deals right now

Public promo codes from providers selling Czech Republic eSIMs — pulled live from our deals list, so this section updates itself and disappears when nothing is running.

Telekonek

15% off your first order — WELCOME15

-15%

Stay connected in 200+ countries the moment you land — skip the roaming bills and SIM swaps on your very first trip.

Public promo Ends Oct 21, 2026

WELCOME15 Get this deal

Airalo

15% off your first Airalo eSIM with NEWTOAIRALO15

-15%

New customers only, first order; the discount is capped at $3 per Airalo's terms.

Public promo Ends Dec 31, 2026

NEWTOAIRALO15 Get this deal

Eskimo

Welcome Discount — 50% off your first purchase

-50%

Get 50% off your first purchase, capped at $15. Applied automatically at checkout, no code needed.

Public promo

Get this deal

What you'll actually pay: four providers compared

Yatelo

Yatelo's 1GB/7-day plan at $1.41 is a cheap structured week-long bundle for the Czech Republic, and its 3GB/30-day tier at $2.72 carries similar value into a full month. Its Unlimited lineup holds up too — $5.27 for 3 days if you want to scale up from the fixed-data tiers without switching providers.

BNESIM

BNESIM's 1GB/30-day plan at $2.51 is normally the cheapest real full-month bundle we found — a tight allowance for a heavy user, but a genuinely solid safety net if you're mostly relying on hotel and café wifi and just want coverage for maps and messages between stops. Real discount code active:

BNESIM -15% ESIMKART1015 First payment only

15% off, up to €10, first purchase only

View plans

AirSims

AirSims is the real standout for anyone who wants unlimited data without rationing it — $2.09 for a single day, and $18.15 for a full 30-day month, normally the cheapest genuine unlimited-data month we found for the Czech Republic. If your trip involves heavy navigation, video calls, or hotspotting a laptop, AirSims is the first place to look. Real discount code active:

AirSims -10% ESIMKART10

10% off

View plans

Yaalo

Yaalo's 1-day Unlimited at $2.46 is close behind AirSims', and its 5-day Unlimited at $6.03 is a genuinely cheap week-length unlimited option. For a trip that's longer than a weekend but shorter than a month, Yaalo's pricing holds up well across that middle range. Real discount code active:

Yaalo -10% ESIMKART10

10% off

View plans

Beyond these four, AirPlans is worth a look for its own Unlimited spread — $7.85 for 5 days and $8.55 for a full week, both competitive with Yaalo's, giving you a genuine third option in that range. Real discount code active:

AirPlans -10% ESIMKART10 One use per customer

10% off any one order, no minimum. One use per customer — first order or fifth.

View plans

Why prices vary so much

The spread here comes down to how each provider sources its underlying data. Some run direct wholesale agreements with Czech carriers; others resell capacity through a broker layer that adds a margin at every step. Providers built around one pricing model (AirSims' flat Unlimited ladder, or pure metering elsewhere) trade flexibility for simplicity, while marketplace-style sellers can undercut everyone on a specific tier by shopping the cheapest available wholesale rate for that exact data amount. None of this changes which real Czech network you actually connect to (O2, T-Mobile, and Vodafone all show up across these resold plans) — it only changes what you pay for the same underlying coverage.

Picking by trip type

A long weekend in Prague (2–3 days): Yatelo's 1GB/7-day plan at $1.41 covers a short city break with data to spare; AirSims' 1-day Unlimited at $2.09 removes any anxiety about running out if you're filming constantly.

One week, with a day trip or two: Yatelo's 1GB/7-day at $1.41 is a cheap structured option; step up to Yaalo's 5-day Unlimited at $6.03 if you know you'll be data-hungry.

A longer stay across the country: BNESIM's 1GB/30-day at $2.51 is the light-usage budget pick; AirSims' 30-day Unlimited at $18.15 is the move if you're working remotely or streaming regularly.

Heavy users hotspotting a laptop: go straight to the Unlimited comparison — AirSims wins on both the short and long end here.

Practical caveats

Coverage across Prague, Brno, and the other major cities is consistently strong across every provider here. It's worth checking a provider's own coverage notes if you're heading into more rural stretches of Bohemia or the Šumava forest region near the Austrian border, where signal from any single carrier can soften. Activate before you land where possible — most plans here start their validity clock on first network connection rather than at purchase, so there's no cost to installing the eSIM a day early at home on wifi. If you need to keep receiving calls or texts on your home number, confirm your phone supports dual-SIM standby alongside the eSIM.

eSIM vs. a local physical SIM

Czech carrier shops are easy to find in Prague and other major cities, and a local physical SIM is genuinely competitive on price if you're happy to lose your existing number for the trip and don't mind the queue. The trade-off is the usual one: a physical SIM means you're offline from the moment you land until you find a shop and get it activated, while an eSIM installed the night before means you're connected the second you land — worth it if your itinerary has you heading straight from the airport to a train onward to somewhere smaller.

Beyond Prague: why coverage varies more than you'd expect

Prague, Brno, and Ostrava are dense cities with excellent 4G and increasingly 5G from all three real Czech networks (O2, T-Mobile, Vodafone), and any provider on this list will perform well there. The country's more rural stretches are a genuinely different story — the Šumava forest along the Austrian border, and parts of the Bohemian and Moravian countryside, can see real gaps between towers, especially off the main highways. This isn't a flaw specific to any one eSIM provider here; it reflects how carrier infrastructure is actually built out across the country. If your trip is city-to-city (Prague, Karlovy Vary, Český Krumlov, Brno), you won't notice it. If you're driving through the more remote parts of the countryside, it's worth downloading offline maps as a backup regardless of which provider you choose.

For the full, live list of every Czech Republic plan currently tracked — prices update as providers change them — see our Czech Republic eSIM plans page. And if you're buying an eSIM for the first time, our beginner's guide to how eSIMs work covers device compatibility and installation before you compare prices.