Planning connectivity for one traveller is simple: pick a plan, install it, done. Planning it for a family is a different exercise altogether, and it's the version almost nobody writes about.
A typical family trip abroad now involves four or five connected devices minimum — two parents' phones, a teenager's phone (non-negotiable, as any parent knows), perhaps a younger child's tablet, and a laptop if anyone is half-working along the way. Multiply any roaming tariff by that count and the costs add up quickly. South African travellers know this particularly well: local mobile networks’ international roaming rates are steep enough that a two-week family holiday can quietly add a four-figure surprise to the next bill.
The good news is that a family doesn't need four roaming plans. It needs a small amount of architecture, decided at home, before anyone boards a plane.
This is the core principle, and it's the one that saves the most money.
Devices split into two groups. Independent devices are the ones that leave the group — a parent's phone, a teenager who'll be off with the resort kids' club or navigating a city on their own. These genuinely need their own data, because the whole point is that they're not always next to you.
Dependent devices are everything else: tablets, laptops, a younger child's phone that is only used when the family is together. These don't need plans at all. They ride on a hotspot from a parent's phone when it matters and hotel Wi-Fi the rest of the time.
Most families discover they need two data plans, not five. That single realisation cuts the cost of the whole exercise by more than half.
For the devices that do need their own data, a travel eSIM has become the sensible default — a digital SIM you buy online and activate before you leave, which works on arrival with no shop, no queue, and no swapping of tiny plastic trays in an airport arrivals hall while the children melt down next to the luggage.
Transpovia, a travel eSIM and airport transfer platform serving international travellers, sells regional eSIM plans that cover multiple countries on a single profile — worth knowing if your itinerary is Europe's usual three-countries-in-two-weeks family pattern, or an island-hopping route where each stop would otherwise mean a new local SIM. Whichever provider you choose, confirm the plan covers every country on your route and check each phone supports eSIM before you buy: most newer handsets do, but a child's hand-me-down phone is exactly the device most likely not to.
Two features matter more for families than for solo travellers. Top-up flexibility — teenagers consume data at a rate that defies estimation, and being able to add more airtime from your phone mid-trip beats rationing. And per-device plans in different sizes: the navigating parent needs a proper allowance; the teenager's plan can be smaller and topped up if genuinely needed, which also keeps a useful degree of parental leverage.
Every roaming horror story starts the same way: a phone left on its home network's roaming, quietly syncing photos. Before the flight, on each family phone:
Ten minutes per phone, at the kitchen table, with everyone's charger nearby. It is the least glamorous part of trip planning and the most consistently rewarded.
Some of the best family destinations are the ones where phones stop working — a game reserve deep in the bush, an island lodge, a mountain valley. No eSIM changes that, and honestly, none should.
Plan for it instead: boarding passes and bookings saved as screenshots, the lodge's number written down somewhere that isn't a phone, and an agreed family meeting point for the one afternoon someone wanders off. Then let the disconnection do what you actually came for. The data plan is for the journey and the cities; the silence is for the destination.
If the family setup had a checklist, it's this: decide which devices are independent and which can ride the hotspot; buy eSIMs for the independent ones only, sized to the user; install everything on home Wi-Fi before departure; roaming off, home SIMs alive, hotspot password shared; offline maps on two phones.
Do that the week before you fly, and connectivity becomes the one part of the family holiday that generates no drama at all. With teenagers aboard, that may be the trip's only guarantee.
Sara Essop is a travel blogger and writer based in South Africa. She writes about family travel and experiences around the world on her blog "In Africa and Beyond". Although she has been to 53 countries thus far, she especially loves showcasing her beautiful country and is a certified South Africa Specialist.
