UK eSIM.
Get your eSIM sorted before you fly and stay connected while travelling in the UK.
Choose your eSIM
Pick the plan that matches how you'll use data in UK.
Mobile coverage can vary by network, location and selected plan. Check your selected plan's coverage details at checkout.
Buy before you fly. Stay connected in the UK.
Don't wait until you arrive. Set up your UK eSIM from your couch and walk off the plane already online.
Set up before you fly
Install your eSIM at home over Wi-Fi. No airport queues, no fiddly SIM swaps when you land.
Use maps, transit & messaging apps on arrival
Once your eSIM is connected, you can use mobile data for apps such as Google Maps, transport apps and messaging services.
Keep your home SIM installed
On compatible dual-SIM devices, you can generally keep your home SIM installed while using your UK eSIM for mobile data. Calls, SMS and other services on your home SIM remain subject to your home carrier's roaming terms and settings.
Use data instead of carrier roaming
One upfront price. Use your travel eSIM for mobile data instead of relying on your home carrier's international roaming data.
What travellers use data for in UK.
Think about how you'll use your phone day-to-day. It'll help you pick the right plan.
Google Maps & navigation
Navigate London, Edinburgh and Manchester without getting lost.
Train & Tube apps
Check train times and plan the Tube the moment you land — no cash SIM needed.
Uber & Bolt
Book rides from the airport the moment you land — no need to find a shop or cash SIM.
Attraction & ticket apps
Book attraction tickets, museum passes and tours on the go without hunting for Wi-Fi.
Messaging & accommodation
Message your hotel, family and friends over data without hunting for free Wi-Fi.
Social media
Post stories from London, Edinburgh and the Highlands without hunting for Wi-Fi.
Set up is simple. Do it before you fly.
Most eSIM-compatible iPhones and Androids take less than five minutes to set up. We recommend installing your UK eSIM at home over Wi-Fi so it's ready to switch on the moment you land.
UK eSIM questions, answered.
Most eSIM-compatible iPhones (iPhone XS and newer) and recent Android phones work with our UK eSIM. Use our compatibility checker to confirm your exact model before you buy.
Yes — and we recommend it. Install over Wi-Fi at home so it's ready to switch on when you arrive. Activation conditions vary by plan. Check your selected eSIM's activation details before travelling.
Activation conditions vary by plan. Most activate when you first connect to a supported network in the UK, but some have different rules — check your plan's activation details at checkout for the exact policy. You can install the eSIM at home over Wi-Fi before you fly.
On compatible dual-SIM devices, you can generally keep your home SIM installed while using your UK eSIM for mobile data. Calls, SMS and other services on your home SIM remain subject to your home carrier's roaming terms and settings.
Most of our UK plans support hotspot and tethering, but it depends on the specific plan. Check the plan details at checkout to confirm hotspot is supported before you buy.
Our UK eSIMs connect to major UK networks including EE, Vodafone UK, O2 and Three. Coverage can vary by network, location and selected plan — check your plan's coverage details at checkout for the exact network list.
If you run low, you can buy a top-up or a new plan from your Roamza account. It's delivered instantly — no need to find a shop in the UK.
An eSIM lives on your phone — buy before you fly, install at home, keep your home SIM on compatible devices, and land ready to connect. A physical SIM means buying at an airport kiosk or convenience store in the UK, showing your passport, swapping your SIM tray, and getting a new local number. Neither is universally better for everyone — it depends on your trip length, how many devices you need online, and whether you want to keep your home number active.
Help if installation doesn't go smoothly.
Clear instructions, transparent policies, and real support if you need it. We're here to make sure you land connected.
Get your UK eSIMUK eSIM
The United Kingdom is one of the most popular travel destinations, and staying connected while you're there shouldn't mean paying your carrier's roaming rates. A UK eSIM from Roamza lets you buy your data before you fly, install it at home, and switch it on when you arrive — no SIM swap, no airport queues.
Whether you're catching the Tube in London, wandering the cobbled streets of Edinburgh, or exploring the music scene in Manchester, a travel eSIM means you can use Google Maps to find your way, check train times on the go, and message your hotel on WhatsApp without hunting for free Wi-Fi. Once your eSIM is connected, you can use mobile data for apps such as Google Maps, transport apps and messaging services.
On compatible dual-SIM devices, you can generally keep your home SIM installed while using your UK eSIM for mobile data. Calls, SMS and other services on your home SIM remain subject to your home carrier's roaming terms and settings. Use your travel eSIM for mobile data instead of relying on your home carrier's international roaming data.
How much data do you need in the UK?
It depends on how you use your phone day-to-day. Here's a rough guide:
- Light use: Google Maps for getting around, messaging family and friends, and light browsing. A smaller data plan is usually plenty.
- Everyday use: Navigation, train and transport apps, ride apps, social media, and booking attraction tickets. Most travellers fall here — a mid-size or unlimited plan is a safe pick.
- Heavy use: Video uploads, streaming, video calls, or sharing hotspot with a travel partner where supported by your plan. Go for a larger or unlimited plan.
Our UK plan selector above shows live plans and prices — pick the one that matches how you'll use data.
Using mobile data while travelling around the UK
A UK eSIM is handy for travelling between destinations. Once your eSIM is connected, you can use Google Maps to navigate from London to Edinburgh, check train times on the go, and book an Uber or Bolt from your hotel. If you're heading from London up to Manchester, across to Liverpool, or over to Glasgow, a travel eSIM keeps you connected without swapping SIMs at every stop.
Mobile coverage can vary by network, location and selected plan. Coverage is generally good in cities and along major transport routes, but can vary in more remote or rural areas — particularly in parts of Scotland, Wales and Northern Ireland. A travel eSIM gives you data where there's coverage, but it won't guarantee a connection in every location. If you're heading well off the beaten track, plan for stretches without mobile data and download offline maps before you go.
Setting up your UK eSIM
Setup takes about five minutes and we recommend doing it before you leave Australia. Once you buy, we email your eSIM QR code and step-by-step instructions. Scan the code, follow the prompts, and your phone is ready. Installing your eSIM at home over Wi-Fi is separate from activation — you can install before you fly, and the plan activates according to its own terms. Activation conditions vary by plan — check your selected eSIM's activation details before travelling. Not sure if your phone is compatible? Check compatibility before you buy.
UK eSIM vs physical SIM
There are two main ways to stay connected in the UK:
- eSIM: Buy before you fly, install at home, and switch on when you land. You keep your home number on compatible dual-SIM devices, skip the airport SIM queues, and walk off the plane already connected. Best for travellers who want data sorted before departure.
- Physical SIM: Buy at an airport kiosk or convenience store in the UK. You'll queue, show your passport, swap your SIM tray, and get a new local number — and your home SIM is out of the phone while it's in use. Works, but takes time and means you're juggling two physical cards.
Neither is universally better for everyone — it depends on your trip length, how many devices you need online, and whether you want to keep your home number active. For most Australians heading to the UK, an eSIM is the simplest option.
Ready to go? See UK plans and get your eSIM, or get in touch if you have any questions. See our Fair Use Policy for unlimited plan details, or the installation guide for step-by-step setup.