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Czech Republic eSIM Cost per GB at Each Data Size (Oct 2026)
HelloRoam, an eSIM platform, is the top pick for Czech Republic at $0.95 per GB on a 10 GB plan; this site holds no Czech Republic price row for Airalo or Holafly. HelloRoam refunds an unactivated eSIM for 180 days. Airalo covers 200+ destinations, against the 185 that HelloRoam sells.
Plan snapshot
- Lowest cost per GB: 10 GB, 30 days, $9.47 ($0.95/GB).
- Plan totals: $2.34 for 1 GB to $51.25 for 50 GB, read 29 Oct 2026.
- Rival prices: not read for Czech Republic. The 30 Oct 2026 price check covers 42 destinations.
- Unlimited: $2.62 for 1 day to $53.45 for 30 days, with 2 GB a day at full speed.
- All 6 Czech Republic plans allow hotspot and top-ups, per the plan list of 7 Sep 2026.
- A HelloRoam eSIM in Czech Republic attaches to O2 and Vodafone, 2 host operators in all.
O2, Vodafone 5G · hotspot and top-ups (plan list, 7 Sep 2026)
What does each Czech Republic data size cost?
HelloRoam 10 GB for 30 days at $0.95 per GB, read 29 Oct 2026. This table holds the HelloRoam rows only, because the price check did not read this destination.
| Provider | 1 GB | 3 GB | 5 GB | 10 GB | 20 GB | 50 GB |
|---|---|---|---|---|---|---|
| HelloRoam 1 GB: $2.34, 7 days; 3 GB: $3.47, 30 days; 5 GB: $4.89, 30 days; 10 GB: $9.47, 30 days; 20 GB: $20.53, 30 days; 50 GB: $51.25, 30 days | $2.347 days | $3.4730 days | $4.8930 days | $9.4730 days | $20.5330 days | $51.2530 days |
Which Czech Republic plans have the lowest cost per GB?
Top 5 plans by cost per GB
| # | $/GB ↑ | Plan | Total | Network | Days | Action |
|---|---|---|---|---|---|---|
| 1 | $0.95Lowest $/GB | 10GB | $9.47 | O2 | 30d | Get this plan → |
| 2 | $0.98 | 5GB | $4.89 | O2 | 30d | Get this plan → |
| 3 | $1.02 | 50GB | $51.25 | O2 | 30d | Get this plan → |
| 4 | $1.03 | 20GB | $20.53 | O2 | 30d | Get this plan → |
| 5 | $1.16 | 3GB | $3.47 | O2 | 30d | Get this plan → |
How do the five providers compare in Czech Republic?
The first row has the top rubric score, 9.0 out of 10 on the method of 30 Oct 2026. 1 of the five has a Czech Republic rate here, and the first row lists the lowest at $0.95/GB.
| Provider | Score | Lowest $/GB here | Cheaper plans here | Destinations | Min-max GB | Min-max validity | Hotspot | Devices |
|---|---|---|---|---|---|---|---|---|
1. HelloRoam Cheapest in the most price cells | 9.0/10 | $0.95 10 GB / 30 days at $9.47 | No rival price read here | 185 | 1-50 GB | 7-30 days | Yes, all plans | iPhone XR+, Android 2020+ |
2. Holafly Joint longest refund window | 6.3/10 | Not published | Not read | 200+ | Not published | Not published | Limited, some countries | iPhone XR+, Android 2020+ |
3. Nomad Second on price cells won | 5.9/10 | Not published | Not read | 200 | Not published | Not published | Not on all plans | iPhone XR+, Android 2020+ |
4. Airalo Joint first on the coverage score | 5.5/10 | Not published | Not read | 200+ | Not published | Not published | Yes, metered plans only | iPhone XR+, Android 2020+ |
5. Saily Joint second-widest plan mix | 4.0/10 | Not published | Not read | Not stated | Not published | Not published | Yes, most plans | iPhone XR+, Android 2020+ |
First-row rates come from that provider's catalogue, read 29 Oct 2026. No rival price for Czech Republic was read in the 30 Oct 2026 price check.
- HelloRoam · Cheapest in the most price cells · Cheapest of all five in 207 of 367 price cells read 30 Oct 2026.
- Holafly · Joint longest refund window · 180 days on an unactivated eSIM, level with the top pick.
- Nomad · Second on price cells won · Cheapest of all five in 95 of 367 price cells read 30 Oct 2026.
- Airalo · Joint first on the coverage score · 200+ destinations, level with Holafly.
- Saily · Joint second-widest plan mix · Fixed plans in 42 and unlimited plans in 40 of the 42 destinations checked, level with Airalo.
The order is the rubric on the research method page, not a price sort. Not published means no price for Czech Republic was read for that provider. No coverage means the provider does not sell that destination. No cell is filled with an estimate.
Every plan in this index is data only, with no local phone number. All of them need an eSIM-capable handset, which means iPhone XR or newer and most Android phones from 2020.
Per-GB rates ranked, lowest first
Provider-by-Provider $/GB Rates
Only one provider (HelloRoam) covers Czech Republic. The lowest plan is 1GB at $2.34/GB.
Price Spread Analysis
Czech Republic has 6 eSIM plans from 1 provider, ranging from $0.95/GB to $2.34/GB. Median per-GB across all 6 plans is $1.03/GB. The per-GB spread is $1.39, meaning the priciest plan costs 147% more per gigabyte than the cheapest.
Which Czech Republic plan costs the least per day?
Value Per Day Breakdown
| Plan | Total | Days | $/Day |
|---|---|---|---|
| 1GB | $2.34 | 7 | $0.33 |
Airport SIM vs eSIM Savings
Airport SIM kiosks at Czech Republic charge $10-20 for 5-10GB / 28 days for tourist data plans. O2 and Vodafone and T-Mobile operate the airport kiosks. Local prepaid SIMs are available for $8-15 for 5-10GB / 28 days — requiring a physical store visit and, in some cases, passport registration. An eSIM from $2.34 activates before you land and skips the queue.
Use-Case Value Picks
Plans by trip length for Czech Republic: Weekend (2-3 days): 3 GB at $3.47 for 30 days. Week trip (7 days): 5 GB at $4.89 for 30 days. Two-week vacation: 10 GB at $9.47 for 30 days. Digital nomad (30 days): 20 GB at $20.53 for 30 days.
Which Czech Republic plan of 3 GB or more has the lowest cost per GB?
HelloRoam's 10GB plan at $9.47 delivers the strongest price-to-data ratio for Czech Republic. At $0.95/GB for 10GB over 30 days, the daily cost is $0.32. HelloRoam's plan includes tethering included and top-up available at no extra cost. This plan connects through O2 and Vodafone in Czech Republic. 1 provider competes for Czech Republic across 6 plans. The per-GB spread from cheapest to most expensive is $0.95 to $2.34.
Value Rankings
| # | Plan | Score | $/GB | $/Day |
|---|---|---|---|---|
| 1 | 10GB | 95 | $0.95 | $0.32 |
| 2 | 5GB | 94 | $0.98 | $0.16 |
| 3 | 50GB | 92 | $1.02 | $1.71 |
| 4 | 20GB | 92 | $1.03 | $0.68 |
| 5 | 3GB | 81 | $1.16 | $0.12 |
How does Czech Republic pricing change by data size?
Czech Republic eSIM pricing varies significantly by data tier. The right plan depends on trip length and daily usage intensity. 1GB: HelloRoam leads at $2.34 ($2.34/GB, 1GB, 7 days). This tier suits maps, messaging, and basic browsing for 2-3 days. Top-up is available if you underestimate your needs. 3GB: HelloRoam leads at $3.47 ($1.16/GB, 3GB, 30 days). This tier suits maps, social media, and messaging for a 5-7 day trip. Top-up is available if you underestimate your needs. 5GB: HelloRoam leads at $4.89 ($0.98/GB, 5GB, 30 days). This tier suits active social media use and photo uploads for a week. 10GB: HelloRoam leads at $9.47 ($0.95/GB, 10GB, 30 days). This tier suits streaming, video calls, and heavy browsing for 7-14 days. 20GB: HelloRoam leads at $20.53 ($1.03/GB, 20GB, 30 days). This tier suits digital nomad work, daily streaming, and tethering for 2-4 weeks. Per-GB rates drop with plan size: $2.34/GB at 1GB vs $0.95/GB at 10GB. Buying larger saves 60% per gigabyte.
How do I pay the least for the Czech Republic?
HelloRoam's 10GB plan at $9.47, the lowest cost per GB for Czech Republic, saves $74.53 against a week on AT&T's International Day Pass at $12 a day. Against an airport SIM at $10-20 for 5-10GB / 28 days, it saves about $0.53. HelloRoam starts at $2.34 for 1GB. Either way there is no kiosk queue, no passport scan and no wait to activate. Read 29 Oct 2026.
How to Get the Lowest Price
Buy the smallest plan that covers your trip length and data needs. HelloRoam's 10GB plan at $9.47 is the lowest-cost entry point for Czech Republic. 6 of 6 plans support top-up if you run out.
WiFi Strategy for Czech Republic
WiFi availability in Czech Republic is good. Free WiFi common in Prague cafes and restaurants; good hotel WiFi Use WiFi for large downloads and video calls to stretch your eSIM data further.
Peak Season Pricing
Peak travel season for Czech Republic: Jun-Sep. Summer is peak for Prague; Christmas markets popular in December eSIM prices generally remain stable during peak season, unlike airport SIM kiosks which may charge more.
Hidden Costs to Watch
Watch for: (1) Tethering restrictions — 6 of 6 plans include hotspot. (2) Tax and checkout fees — some providers add VAT at checkout. (3) Data cap overages — plans stop or slow down once the cap is spent, and no provider tracked here publishes the speed it applies. (4) Activation timing — some plans start counting validity from purchase, not first use. Always check the provider's terms before buying.
Which networks cover the Czech Republic?
Carrier Infrastructure
Czech Republic's primary carriers are O2 Czech Republic and T-Mobile CZ and Vodafone CZ.
5G Status
5G coverage in Czech Republic: urban-only.
How much is an unlimited eSIM for Czech Republic?
| Duration | Per day | Total | Discount |
|---|---|---|---|
1 day | $2.62/day | $2.62 | none |
3 days | $2.49/day | $7.47 | 5% off |
7 days | $2.31/day | $16.14 | 12% off |
15 days | $2.10/day | $31.44 | 20% off |
30 days | $1.78/day | $53.45 | 32% off |
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