International roaming fees can add hundreds of dollars to a family holiday. eSIM technology now gives Australian travellers a simpler, cheaper alternative.
Family travel abroad is exciting right up until the first mobile bill lands. Roaming charges from Australian carriers can reach $10–$15 per day per device, and that’s before the kids start streaming video in the back seat of a hire car. For a family of four away for two weeks, that arithmetic gets painful fast.
Lots of Australian families are switching to eSIM plans before they even pack their bags. If you’re not sure how much data your trip actually needs, start with a Mobile data usage calculator – plug in your daily habits (maps, messaging, streaming) and it gives you a realistic data estimate so you’re not guessing when it comes time to choose a plan.
What is an eSIM, and how does it work?
An eSIM (embedded SIM) is a digital SIM card built into your phone. Instead of swapping out a physical card at the airport, you scan a QR code or download a profile through an app, and your phone connects to a local network at your destination. The whole process takes a few minutes from your couch.
Most phones released after 2018 support eSIM, including iPhone XS and later, Samsung Galaxy S20 and later, and Google Pixel 3 and later. Your existing Australian number stays active, the eSIM runs as a second line alongside it.
How to activate an eSIM on an iPhone and Android?
For iPhone, go to Settings → Mobile Data → Add eSIM → Use QR Code. Scan the QR code provided by your eSIM provider and follow the prompts. Android steps vary slightly by manufacturer but follow the same logic: Settings → Connections → SIM Manager → Add eSIM.
With Yesim, the process is handled inside the app itself, so there’s no need to dig through phone settings. Download the app, purchase a travel eSIM plan for your destination, and the profile installs automatically. It takes about three minutes.
eSIM vs traditional SIM card, which is better for travel?
The comparison comes down to convenience, cost, and flexibility.
A physical SIM card from a local provider can be cheap, but it means queuing at an airport kiosk with tired children, finding the right nano-SIM size, and losing your Australian number in the process. If you’re visiting multiple countries, you’d need a different card for each one.
A travel eSIM sidesteps all of that. With Yesim, a single app covers over 200 countries. Plans are purchased in advance, activated instantly, and your Australian number stays reachable on the same device. For families jumping between, say, Japan and South Korea in one trip, this matters considerably.
- Cost: Travel eSIM plans typically undercut roaming add-ons from Telstra, Optus, or Vodafone by 40–70%.
- Setup: eSIM activates in minutes via app; physical SIMs require in-person purchase at destination.
- Multiple countries: One eSIM plan can cover a regional trip; physical SIMs need replacing at each border.
- Your Australian number: Stays active on eSIM devices; lost when you swap a physical SIM.
- Data options: Yesim offers both capped and unlimited mobile data plans to suit different travel styles.
What are the best mobile data plans for Australian families travelling abroad?
The right plan depends on how long you’re away, how many destinations you’re visiting, and how data-heavy your family is. A couple checking emails needs far less than a family with teenagers watching YouTube in hotel rooms.
Yesim’s regional plans cover entire continents – a Europe-wide plan, for example, works across 30+ countries without switching. For shorter trips, country-specific plans are often cheaper. Data packages start from around $5 USD for lighter use, while unlimited mobile data plans are available for longer stays or high-usage travellers.
For Australian families, the most popular options tend to be:
- Regional plans for multi-country European or Asian trips
- Country-specific unlimited plans for a single two-week destination
- Short-term data top-ups if you’ve underestimated usage mid-trip
Discount for North Shore Mums readers: Use the promo code YENORTHSH10 at checkout for 10% off your first Yesim purchase. New customers only.
Is unlimited mobile data worth it when travelling with kids?
For most families, yes, particularly if you have multiple people sharing maps, messaging back home, and keeping children occupied on long transit days. Running out of data in a foreign country is more than an inconvenience; it can leave you without navigation or the ability to contact accommodation.
That said, an unlimited data mobile plan isn’t always necessary. If the trip is mostly resort-based with reliable Wi-Fi, a mid-sized capped plan will do the job. The data calculator linked above is worth five minutes of your time before you buy anything.
Which phones support eSIM in Australia?
eSIM is supported on all iPhones from XS (2018) onwards. In Australia, iPhone 14 and later models are eSIM-only, there’s no physical SIM tray at all. Android support includes Samsung Galaxy S20 and later flagship models, Google Pixel 3 and later, and most recent Motorola and Huawei flagships. If you’re unsure about your specific device, Yesim’s website has a compatibility checker.
Practical tips before you fly
The week before departure is when most travel logistics fall apart and mobile connectivity is usually the last thing on the list. Sort it early and it’s one less thing to think about at the airport. These steps take under 30 minutes total and can save a significant amount of stress (and money) once you land.
- Check your phone is unlocked, some budget Android phones are carrier-locked and won’t accept a new eSIM profile.
- Download the Yesim app and purchase your plan before departure. Activation works offline once the profile is installed.
- Set up the eSIM while you still have home Wi-Fi. Airport Wi-Fi is slow and unreliable for profile downloads.
- Turn off data roaming on your Australian SIM to avoid accidental charges running in the background.
- Set a data usage alert in your phone settings as a backup monitor.
International travel with kids is logistically complex enough without a surprise mobile bill waiting on the other side. An eSIM sorted before departure removes one variable from the trip entirely and that’s worth something when you’re already managing passports, car seats, and snack supplies across multiple time zones. New to Yesim? Use code YENORTHSH10 for 10% off your first plan.







