Best travel eSIM Hungary: 12 Cellulo plans compared
Updated September 9, 2026 · Cellulo Team
Land in Budapest without a plan and your Canadian carrier starts charging $18/day. Stay a week and that is $126 for one phone, or $252 for two travellers, before you have even thought about how much data you will use. The best travel eSIM Hungary option costs a fraction of that.
For most Canadians, a Hungary eSIM makes sense the moment the plane lands. Your data starts working on arrival, so you can pull up Google Maps from Ferenc Liszt Airport, book a Bolt ride, open hotel confirmations, and message home without hunting for airport Wi-Fi or lining up at a SIM kiosk. If you are travelling for work, it also means email, Slack, and video calls without coming home to a roaming bill that costs more than your flight add-ons.
All Cellulo Hungary plans are data-only eSIMs, so they do not include local calls or SMS. That is the trade-off. For most trips, it is a manageable one because WhatsApp, FaceTime, iMessage, Google Meet, and other apps handle the communication side just fine.
Best travel eSIM Hungary plans compared
Here are the current Cellulo options for travellers who want to stay connected in Hungary without paying carrier roaming rates.
| Data | Duration | Price (CAD) | Get Plan | Best For |
|---|---|---|---|---|
| Unlimited data | 3 days | $16 | Get Plan | Weekend city break |
| Unlimited data | 5 days | $26 | Get Plan | Short getaway |
| 1 GB | 7 days | $6 | Get Plan | Budget backup data |
| Unlimited data | 7 days | $38 | Get Plan | ⭐ Most Popular — Week-long trip |
| Unlimited data | 10 days | $48 | Get Plan | Busy sightseeing trip |
| 2 GB | 15 days | $9 | Get Plan | Light two-week traveller |
| Unlimited data | 15 days | $67 | Get Plan | Two-week heavy user |
| 3 GB | 30 days | $12 | Get Plan | Long stay with light use |
| 5 GB | 30 days | $17 | Get Plan | Remote worker on Wi-Fi |
| 10 GB | 30 days | $27 | Get Plan | Business traveller |
| 20 GB | 30 days | $45 | Get Plan | Content creator |
| Unlimited data | 30 days | $96 | Get Plan | Digital nomad |
How much you save versus roaming in Hungary
The math is not close. Canadian carriers charge $18/day for international roaming in Hungary.
- 3-day trip: $54 in roaming vs $16 for unlimited data
- 7-day trip: $126 in roaming vs $38 for unlimited data
- 10-day trip: $180 in roaming vs $48 for unlimited data
- 15-day trip: $270 in roaming vs $67 for unlimited data
- 30-day trip: $540 in roaming vs $96 for unlimited data
Even the 30-day unlimited plan costs less than six days of carrier roaming. If you only need occasional maps, messaging, and transit lookups, the lower-data 15-day and 30-day plans are cheaper still.
For a typical traveller, the 7-day unlimited plan is the sweet spot. It covers the standard one-week Hungary trip and removes the need to ration data while navigating Budapest, checking train times, translating menus, or making video calls back to Canada.
Which Hungary eSIM plan makes the most sense
If your trip is short and packed, unlimited data is the safer choice. Budapest is a city where you will lean on your phone constantly for maps, transit, restaurant bookings, and rideshare. A 3-day or 5-day unlimited plan fits that kind of trip well.
If you are staying longer and mostly using hotel or apartment Wi-Fi, the capped 30-day plans offer strong value. The 10 GB option at $27 is a sensible middle ground for travellers who need reliable mobile data during the day but are not uploading video all the time.
If you are creating content, tethering occasionally, or working remotely from cafes and trains, the 20 GB or unlimited 30-day plans are the safer picks. They cost more upfront, but still undercut roaming by a wide margin.
How to use an eSIM in Hungary without triggering roaming charges
Install your eSIM before you leave Canada. You will need Wi-Fi for setup, so do not wait until you are in transit.
Once the eSIM is installed, turn your Canadian line off completely before landing in Hungary. Do not just switch off data roaming. Leaving the line active can still trigger your carrier's $18/day roaming charge.
Use the Hungary eSIM for all data. If you need a one-time password or 2FA text on your Canadian number, turn that line on briefly, receive the code, then turn it off again.
Do not use Airplane Mode as your workaround. Airplane Mode disables the eSIM too. The right move is to disable your Canadian line specifically in your phone's cellular settings while keeping the Hungary eSIM active.
Plans activate automatically on arrival in Hungary, which is the whole point. You step off the plane with data ready for directions, bookings, and messages instead of scrambling for a connection.
Coverage and what to expect in Hungary
A Hungary eSIM connects to local networks in the country. In Budapest and other major towns, that is usually what most travellers need. If your trip includes smaller rural areas or long stretches outside cities, expect coverage to be less consistent than in urban centres. That is normal for travel eSIMs and local mobile networks alike.
Because these are data-only plans, they are best for travellers who already use internet-based apps for communication. If you depend on traditional voice calls or SMS, keep that limitation in mind before you choose your plan.
If you want to avoid roaming charges in Hungary and get connected as soon as you land, you can pick the Cellulo plan that matches your trip at /travel/hungary.