Family holidays are supposed to give everyone a break from the usual routine. In reality, getting out of the house can feel like a military operation. Passports, chargers, snacks, medication, favourite toys, boarding passes and the one hoodie your child refuses to travel without all have to make it into the luggage.
Then there is the phone.

Parents rely on it for boarding passes, directions, hotel details, restaurant bookings, messages and emergency calls. Once the family lands, though, mobile connectivity can become another thing to sort out. Roaming charges may be high, local SIM cards take time to arrange, and finding a reliable connection after a long flight is hardly anyone’s idea of fun.
An eSIM can remove some of that hassle, while a virtual phone number can be useful for keeping important calls and messages separate from a personal number.
Getting Connected Before the Holiday Starts
The easiest time to deal with mobile data is before leaving home. An eSIM can be installed on a compatible phone before the suitcase is even packed, so there is less to organise after landing.
Services such as eSIM Plus offer travel eSIM options that can be set up in advance. The practical advantage for a parent is simple: you can arrive with a data connection ready for maps, messages and travel information instead of immediately looking for a SIM shop at the airport.
It is still worth checking whether your phone supports eSIMs and whether it is unlocked. Some phones also require particular settings to be changed before mobile data works abroad.
Once everything is prepared, there is usually very little to think about. Keep the instructions somewhere accessible, especially if several family members are travelling with phones that need setting up.
Why Mobile Data Matters More With Children
A solo traveller can sometimes improvise. A parent travelling with children has fewer opportunities to get things wrong.
Imagine arriving in a new city with tired children, several bags and no working internet. You need to find the hotel, check the route and perhaps contact the accommodation. Standing around an airport trying to work out which local SIM to buy is not particularly appealing.
Mobile data covers the basics that families tend to need most:
- Maps and walking directions
- Hotel and flight information
- Messaging family members
- Translation apps
- Ride-hailing services
- Restaurant reservations
- Tickets and digital boarding passes
- Emergency information
It also gives children something to do during unavoidable waiting periods. A downloaded film or game does not require a connection, but parents often need internet access for practical reasons even when the children are happily occupied.
Keeping Your Main Number Separate
Travel can also create a problem that has nothing to do with data.
Parents may need to give a phone number to hotels, tour companies, delivery services, schools, rental companies or other businesses while abroad. Using a personal number for every service can leave it exposed to calls and messages long after the holiday has finished.
A virtual phone number offers another option. It works through the internet rather than requiring a physical SIM card and can be used for calls or messages, depending on the service.
For someone who travels regularly, having a separate number can make life easier. Your ordinary number stays connected to your usual contacts, while the second number is reserved for travel arrangements or other temporary needs.
It can also be useful for parents who organise trips for more than one person. One number can be given to hotels and activity providers, while family and friends continue using the normal number.
One Phone, Several Jobs
Modern smartphones already do plenty of work during a family trip. They hold tickets, hotel confirmations, maps, photos, payment apps and entertainment. Adding mobile connectivity does not have to make the process complicated.
An eSIM can sit alongside a physical SIM on many compatible phones. That means travellers can keep their usual number available while using the eSIM for mobile data abroad.
The exact setup depends on the phone and mobile provider, so it is worth checking the manufacturer’s instructions before travelling. It is also sensible to label the lines clearly in the phone settings. A few minutes spent organising them at home can prevent confusion later.
Parents should check which line is being used for mobile data and make sure data roaming is disabled on the home SIM if their normal provider charges for overseas usage.
Family Holidays Often Need More Planning Than Expected
The big travel arrangements get most of the attention. Flights are booked, accommodation is confirmed and someone eventually remembers to check the weather.
Small details can cause just as much stress.
What happens if the taxi driver cannot find the hotel? What if the restaurant sends a confirmation message? What if the family gets separated in a busy station? What if a child leaves a favourite toy on the train?
None of these situations is guaranteed to happen, of course. But having working communication makes dealing with them much easier.
For that reason, connectivity should be treated like passports and chargers. It is not exciting, but you notice its absence very quickly.
A Few Things to Do Before Leaving Home
A short phone check can prevent a surprisingly long list of problems.
First, make sure every phone that needs an eSIM is compatible and unlocked. Then install the eSIM while you still have a reliable Wi-Fi connection. Follow the provider’s activation instructions and check whether the plan starts immediately or only once it connects to the destination network.
Download offline maps for the places you will visit. Save hotel addresses, booking confirmations and important contact details somewhere accessible without an internet connection.
It is also worth carrying a power bank. A phone with plenty of data is not much use when its battery reaches zero halfway through a day of sightseeing.
For families travelling with children, write down at least one emergency contact and the accommodation address. Younger children may also benefit from having a small card with a parent’s name and phone number in their bag.
What About Calls?
Data and calls are not always the same thing. A travel eSIM may primarily provide mobile data, while calls can be handled through apps such as WhatsApp, FaceTime or other internet-based services.
A virtual number is different. Depending on the provider and plan, it can provide a separate number for receiving or making calls and messages online.
The right combination depends on the trip. A family spending a week at a resort may need little more than data for maps and messaging. Someone travelling between several countries for work and family reasons may find a second number more useful.
Checking exactly what a plan includes before buying it avoids unpleasant surprises later.
Making Travel Days a Little Easier
There is no gadget or mobile service that will stop a child from announcing that they are hungry five minutes after leaving the airport.
Travel will always involve some unpredictability. A delayed flight, a forgotten charger or a sudden change of plans can throw off even a carefully organised day.
Good connectivity simply removes one problem from the list.
For parents, that matters. Having internet access ready when the plane lands means directions are available, messages can be sent and bookings can be checked without searching for a shop or relying on an unfamiliar public Wi-Fi network.
A separate virtual number can also keep travel-related calls and messages away from the personal number used by family and friends.
Neither option needs to dominate the holiday. In fact, the best setup is the one you barely think about once the trip begins. Get the phone sorted before leaving home, keep the important details accessible, and then concentrate on the reason for travelling in the first place: spending time together.

Monica Costa founded London Mums in September 2006 after her son Diego’s birth together with a group of mothers who felt the need of meeting up regularly to share the challenges and joys of motherhood in metropolitan and multicultural London. London Mums is the FREE and independent peer support group for mums and mumpreneurs based in London https://www.londonmumsmagazine.com and you can connect on Twitter @londonmums


