Best eSIM for Hungary 2026: 5 Providers Priced
Hungary eSIM prices checked 27 Oct 2026: ONE eSIM is cheapest at 4 of 5 sizes from 1 to 20 GB, from $1.57 for 1 GB.
Short answer: ONE eSIM has the cheapest 1 GB eSIM for Hungary at $1.57 for 7 days; the next cheapest is Saily at $3.99. Prices checked 27 October 2026 across ONE eSIM, Airalo, Holafly, Saily and Nomad; the full table is below.
Budapest weekend breaks built around the thermal baths, a few days exploring the Danube embankment, or a longer rail loop out to Lake Balaton all share one practical problem: you want data working the moment you land, not after queuing at a kiosk at Ferenc Liszt airport. Hungary's size also makes it an easy base for day trips by train into Slovakia or Austria, which is another reason to have a data plan that survives a change of scenery. An eSIM sidesteps all of that: install it on Wi-Fi before you fly, and it's live the instant you touch down. We checked prices on 27 October 2026 across ONE eSIM, Airalo, Holafly, Saily and Nomad for Hungary, matching plans by data amount and validity so the numbers below are genuinely comparable.
Quick answer: Hungary eSIM prices by size
- 1 GB: ONE eSIM at $1.57 (7 days); next cheapest is Saily at $3.99 (7 days).
- 3 GB: ONE eSIM at $4.13 (15 days); next cheapest is Airalo at $7.50 (3 days).
- 5 GB: ONE eSIM at $6.55 (30 days); next cheapest is Airalo at $11.50 (15 days).
- 10 GB: ONE eSIM at $11.77 (30 days); next cheapest is Nomad at $16.00 (30 days).
- 20 GB: Nomad is cheapest at $20.00 (30 days); ONE eSIM is $22.55 (30 days).
Hungary eSIM prices compared (1 GB to 20 GB)
| Data | ONE eSIM Our price | Airalo | Holafly | Saily | Nomad |
|---|---|---|---|---|---|
| 1 GB | $1.57 (7 days) Cheapest, saves $2.42 | $4.00 (3 days) | – | $3.99 (7 days) | $4.50 (7 days) |
| 3 GB | $4.13 (15 days) Cheapest, saves $3.37 | $7.50 (3 days) | – | $7.99 (30 days) | $9.00 (30 days) |
| 5 GB | $6.55 (30 days) Cheapest, saves $4.95 | $11.50 (15 days) | – | $11.99 (30 days) | $12.50 (30 days) |
| 10 GB | $11.77 (30 days) Cheapest, saves $4.23 | $18.00 (7 days) | – | $18.99 (30 days) | $16.00 (30 days) |
| 20 GB | $22.55 (30 days) | $31.00 (15 days) | – | $31.99 (30 days) | $20.00 (30 days) Cheapest |
Holafly sells only unlimited plans for Hungary, so it has no price in the GB rows; its 7-day plan is in the week table below.
A week of unlimited data in Hungary
| Provider | 7 days | What you get |
|---|---|---|
| ONE eSIM | $10.43 | 1 GB a day at full speed, then 512 Kbps until the next day (7 × $1.49) |
| Airalo | $27.00 | 3 GB a day at full speed, then 1 Mbps (fair use) |
| Holafly | $27.50 | No daily cap; fair use may slow very heavy use |
| Saily | $26.99 | 5 GB a day at full speed, then up to 1 Mbps |
| Nomad | $25.00 | 2 GB a day at full speed, then 1 Mbps |
For a week, ONE eSIM's 1 GB a day plan is the cheapest way to stay online all day at $10.43. The cheapest of the others is Nomad at $25.00, which gives more full-speed data a day; compare by how much you use a day, not by the word unlimited.
Which networks power a Hungary eSIM?
Every ONE eSIM plan for Hungary, from the smallest daily top-up to the 50 GB 180-day option, connects through Telenor Hungary and Vodafone, both offering 5G alongside 4G and 3G fallback where your handset supports it. Having two partner networks behind the same eSIM profile matters more outside Budapest, where coverage along the Balaton shoreline or on regional rail lines can depend on which operator has the stronger mast nearby. Because the eSIM rides on these same national networks rather than some separate roaming layer, you should see comparable signal to a Hungarian-bought SIM, with none of the shop visit or ID check a physical card would require.
Which eSIM should you choose for Hungary?
- Short trip, light use (up to 3 GB): ONE eSIM's 3 GB plan at $4.13 (15 days), the cheapest at that size.
- Two weeks or more (5 to 10 GB): ONE eSIM's 10 GB plan at $11.77 (30 days), the cheapest at that size.
- Heavy use (20 GB): Nomad at $20.00 (30 days) is the cheapest at 20 GB.
- Streaming or video calls every day: compare the unlimited plans above by how much full-speed data each gives a day.
How to set up your Hungary eSIM
- Confirm your phone is eSIM-capable and carrier-unlocked before you buy anything.
- Install the eSIM profile over Wi-Fi while you still have home internet, since the QR code or activation link needs a working connection to download.
- Land in Hungary, switch on the eSIM line and turn on data roaming for it, then check for a signal from Telenor Hungary or Vodafone before you head out of the terminal.
Hungary eSIM FAQ
- Is a 1 GB plan enough for a Budapest weekend? For maps and messaging between sights, usually yes; ONE eSIM's 1 GB for $1.57 lasts 7 days, longer than most two- or three-day city breaks.
- Will my eSIM work on a day trip out of Hungary by train? That depends on the plan being a local Hungary-only product rather than a regional one; check the plan description before crossing a border, since these Hungary plans are priced for in-country use.
- Does ONE eSIM support 5G around Lake Balaton? Coverage depends on which of the two partner networks, Telenor Hungary or Vodafone, has the stronger signal in that specific area, but both offer 5G where available.
- What happens when I run out of data on a daily-cap plan? Speed drops to the reduced rate shown in the weekly comparison table (500 Kbps or 1 Mbps depending on the plan) rather than cutting off entirely.
- How much does a week of heavy data use cost on ONE eSIM? Stacking seven days of the 2 GB-a-day plan comes to $19.46 total, with full speed up to the daily cap each day.
How we check prices
We read each provider's public Hungary page on 27 October 2026 and took its cheapest plan at or above each size, in US dollars before any coupon, with the validity in brackets; ONE eSIM prices are our live list prices on the same day. Prices move, so we re-check every month and keep the date on the page and in the short answer. If a number is out of date, write to support@oneesim.app and we will correct it.
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