HelloRoam offers prepaid eSIM data plans for UK, starting from A$4.03. Your eSIM links up with local 5G networks the moment you land, with no roaming fees. Activate by QR code in under two minutes. Keep your Telstra, Optus or Vodafone number on dual SIM while your eSIM handles data. No lock-in contract. HelloRoam covers 185+ countries through 212+ partner networks.
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Best sim for UK Plans for Every Trip Length
Cheap eSIM for United Kingdom, starting from A$4.03. 5G data on local partner networks in United Kingdom. Works on any carrier-unlocked, eSIM-compatible phone. An eSIM UK plan from HelloRoam starts from A$4.03 on EE and 3 5G networks. Plan sizes vary by destination, so pick the one that suits your trip. All plans activate by QR code at home before you fly from Australia. No physical SIM needed, no lock-in contract, and your Australian number stays active.
UK eSIM with 5G coverage
HelloRoam offers eSIM plans for the United Kingdom from A$4.03. Connect on the EE and Three 4G and 5G networks. Activate before your long-haul flight and land in London already connected.
- Plans start at A$4.03 with 5G speeds
- Coverage from EE and 1+ other operators
- Instant activation in under 2 minutes
- 180-day refund on unactivated eSIMs
- UK coverage across major cities
- Network
- 5G
- Plans From
- A$4.03
- Activation
- Under 2 min
- Refund
- 180 days if unactivated
How to Set Up an eSIM in UK
Follow these steps to set up your eSIM card on iPhone or Android. Works for any e-sim for international travel, no replacement SIM, no store visit.
Set up an eSIM on your iPhone with the HelloRoam app
Set up an eSIM on your Android with the HelloRoam app
- 1
Choose your plan and checkout online
Select a data plan for your destination and complete checkout.
2Scan the QR code
Scan the QR code to install your eSIM straight away.
- 3
Activate in minutes: ready on arrival
Your eSIM installs instantly and activates when you land.
4Manage it all from our app
Track usage, top up data, and manage all your eSIMs in one place.
Trip changed? No worries, we've got you covered!
Plans can change anytime, and that's fine. With HelloRoam, you can request a refund on any unactivated eSIM within 180 days of purchase.
Learn more about our refund policyHelloRoam UK eSIM vs a travel SIM card or Telstra, Optus and Vodafone AU roaming
Comparing an eSIM vs a travel SIM card for UK? The eSIM skips the airport SIM shop. A Telstra, Optus or Vodafone AU roaming pass adds a daily fee, while you pay once for your plan. HelloRoam sells a prepaid eSIM for UK from A$4.03, with a 180-day refund on unactivated eSIMs.
UK SIM card or eSIM: which is better value for Australians heading to London and beyond?
A United Kingdom SIM card from a Heathrow or Gatwick carrier counter means queuing on arrival after a 24-hour flight from Australia. A HelloRoam eSIM activates at home by QR code. You land in London already connected.
A SIM card for UK from a high street telco requires a store visit and a physical swap. HelloRoam delivers your QR code by email at purchase. Scan it before your flight from Australia and data is live when you arrive.
A prepaid SIM card UK from Vodafone or EE at the airport costs more per gigabyte than an online eSIM. HelloRoam starts from A$4.03 on EE and 3 5G with a 180-day refund guarantee on unactivated eSIMs.
A tourist sim card UK from an airport vending machine works only in England. A HelloRoam eSIM covers England, Scotland, Wales, and Northern Ireland on one plan from A$4.03.
To buy sim card for UK at Heathrow Terminal 5, you waste time queuing on arrival. With HelloRoam you buy online in Australia, your QR code usually arrives by email within a few minutes of payment, and you install it before you board.
A data sim card UK from HelloRoam runs on EE and 3 5G networks. Plans start from A$4.03 with no lock-in contract. Plan sizes vary by destination, and each destination page lists its own. You can get a refund on an eSIM you never activated.
Why Aussie Travellers Pick an e-sim for UK
24/7 Round-the-clock chat support
Need a hand at 2am before a Bali flight? HelloRoam support is available 24/7. Message us by live chat, WhatsApp or email at help@helloroam.com. Mobile data problems don't wait for business hours, and neither do we.
The best eSIM for UK travel
Get data at 5G speeds the moment you land in UK. Skip roaming fees from Telstra, Optus and Vodafone AU. HelloRoam connects you to local carrier networks in minutes, whether you're on holiday or working. Your connection starts before you clear customs.
Keep your Telstra, Optus, or Vodafone AU number
Keep your Telstra, Optus, or Vodafone AU number active for calls and texts. HelloRoam handles your data through a second eSIM line on any dual SIM compatible phone. Your wireless connectivity for data runs separately, so friends and family back home can still reach your usual number.
212+ partner networks worldwide
HelloRoam connects to 212+ carrier networks across 185+ countries. Your phone joins a partner 5G network automatically, with no manual carrier selection needed. Speeds depend on the local network, whether you're in a city centre or off the beaten track.
Usage alerts before you run out
HelloRoam emails you as your data runs low on a fixed plan, so you can top up or buy a new plan in time. Where your plan allows it, top up from the app before it expires, without reinstalling your eSIM or visiting a store. Adding a fresh prepaid data package takes under a minute from your account dashboard.
Local 5G networks
Connect to local 5G networks in United Kingdom. Your phone joins a local HelloRoam partner network for navigation, streaming, and video calls. Speeds depend on the local network and your location.
Global and regional plans
Planning a multi-country trip? HelloRoam regional eSIMs cover many countries across Asia, Europe, the Americas and more in one purchase. Japan, Bali, Thailand and NZ? All sorted. One prepaid data package can cover your whole itinerary, with no SIM card to swap at each border.
Hotspot and data sharing in UK
Share your UK eSIM data with a laptop or tablet using your phone's hotspot. No extra fees, no setup. Works on all eSIM compatible phones. Your wireless connectivity extends to every device in the group, so the whole crew stays online from a single prepaid data package.
Best eSIM for UK: Prices and Plans
HelloRoam, the best eSIM UK. Compare plans and save versus Telstra, Optus, and Vodafone roaming.
| Number of days | Price (AUD) |
|---|---|
| 1 day | A$4.26 |
| 3 days | A$12.14 |
| 7 days | A$26.23 |
| 15 days | A$51.11 |
| 22 days | A$69.33 |
| 30 days | A$86.88 |
HelloRoam vs Other eSIM Providers for UK
See how HelloRoam compares with Airalo, Holafly, Nomad, Saily and Ubigi for UK. The table covers a 180-day refund on unactivated eSIMs, data overage charges and instant QR code delivery.
| Feature comparison | HelloRoam | Airalo | Holafly | Nomad | Saily | Ubigi |
|---|---|---|---|---|---|---|
| 180-day refund (unactivated eSIMs) |  Feature available |  Feature not available |  Feature available | Feature not available | Feature not available | Feature not available |
| No data overage charges | Feature available | Feature available | Feature available | Feature available | Feature available | Feature available |
| Instant QR code delivery | Feature available | Feature available | Feature available | Feature available | Feature available | Feature available |
What Is an eSIM Card? How e SIM Works for UK Travel
An eSIM card is a digital SIM built directly into your phone. No plastic chip and no SIM tray to deal with. Scan a QR code to activate your e SIM in under two minutes on any eSIM compatible iPhone or Android. It works as a prepaid mobile data plan for UK travel with no airport SIM shop queue, no replacement SIM card, and no carrier contract. Follow the step-by-step setup guide to get connected before your flight from Sydney Airport (SYD), Melbourne Airport (MEL), or Brisbane Airport (BNE). guide
Mobile coverage guide for the United Kingdom
The UK is the most popular long-haul destination for Australians making the 24-hour journey to the northern hemisphere. EE, O2, Vodafone UK, and Three all offer strong 4G and 5G across London, Edinburgh, Manchester, and the popular countryside and coastal regions.
A HelloRoam eSIM connects you on EE and Three the moment you clear customs at Heathrow, Gatwick, or Manchester Airport, and keeps you connected as you travel around the UK.
- HelloRoam connects to EE 5G, Three 4G in UK
- 4G and 5G across London, Edinburgh, Manchester, Bristol, and major UK regions
- Connect on EE and Three
- Activate at home before your 24-hour flight
eSIM Travel Tips for UK
Prepare for the 24-hour journey
Getting from Australia to the UK is a full day of travel. Set up your HelloRoam eSIM at home before you leave, not at Heathrow after 24 hours in transit. Land, clear customs, and catch the Tube or Heathrow Express already connected.
The Tube and signal underground
London Underground now has 4G signal on many sections of the network including the Central, Jubilee, and Victoria lines. Some older subsurface sections still drop out. Mobile signal works above ground on all overground and national rail services.
Driving in the UK and remote areas
The Scottish Highlands, Welsh mountains, and parts of Cornwall and the Lake District can have patchy mobile signal. Major motorways are well covered. Download offline maps for any highland driving or coastal walking routes.
Time zone adjustment from Australia
The UK is 9 to 11 hours behind Australia depending on which state you are in and whether British Summer Time is active. Jet lag heading west is harder than coming back. Give yourself a day to adjust before anything important.
NHS and travel insurance
Australia has a reciprocal healthcare agreement with the UK. You can access emergency NHS treatment as an Australian. Travel insurance is still recommended for dental, repatriation, and anything beyond emergency care. Check smartraveller.gov.au before any UK trip.
Mobile networks in the UK: EE, O2, Vodafone, and Three
The UK's four main carriers are EE, O2, Vodafone UK, and Three. All four operate 5G in major cities, with strong 4G across rural England, Scotland, and Wales. Your HelloRoam eSIM connects on EE and Three and picks one automatically, based on where you are.
- EE
- 5G
- Three
- 4G
HelloRoam eSIM vs Telstra and Optus roaming in the UK
The real cost of mobile data for Australians visiting the United Kingdom.
| Category | HelloRoam eSIM Recommended | UK SIM card | Telco roaming |
|---|---|---|---|
| Typical cost | From A$4.03 total | A$14.20–A$35.49 total | — |
| Details | Plans start at A$4.03. Buy online, scan a QR code at home in Australia, and arrive at Heathrow or Gatwick already on local 4G or 5G. No SIM-swapping at the airport after 24 hours of flying. | UK prepaid SIMs from EE, O2, or Vodafone are available at airports and supermarkets. You need to swap your Australian SIM out. Any unused data expires when the SIM period ends. | Telstra's International Day Pass adds a fee for every day you roam in the UK. For three weeks in the UK and Europe, roaming charges add up fast on top of your pricey UK accommodation and activities. |
Prices approximate as of . Actual savings vary.
Best time to visit the UK from Australia
Summer in the UK from June to August offers the longest days and best weather, though it is also the busiest and most expensive time. Spring (April to May) is beautiful with mild temperatures and fewer tourists. Autumn (September to October) has good weather and lower prices. Winter is cold and dark but offers Christmas markets, festive events, and cheaper flights from Australia. Many Australians combine a UK trip with travel through Europe.
Reviewed by HelloRoam Editorial Team
Reviewed by HelloRoam Editorial Team
Top Destinations in UK
Edinburgh
Stay connected in Edinburgh with HelloRoam. Get an eSIM data plan for United Kingdom and go online right away.
O2, Three, and Vodafone 5G cover Edinburgh city fully; Edinburgh Airport has reliable data throughout terminals.
England
England puts London, Manchester, and the coast within easy reach. HelloRoam keeps you online across the whole country with one eSIM.
O2, Three, and Vodafone 5G cover England's cities. Heathrow and Gatwick are covered on landing; rural national parks have lighter signal.
London
HelloRoam delivers high-speed data in London, United Kingdom. Activate your eSIM and connect in minutes.
O2, Three, and Vodafone 5G cover London throughout; Tube coverage is expanding on all sub-surface lines.
Scotland
Scotland takes you from Edinburgh's old town to the Highlands. HelloRoam keeps your data working in the cities and on the scenic routes between them.
O2, Three, and Vodafone 5G cover Glasgow and Edinburgh fully. Highland roads and the islands have patchy signal, so download maps before you drive.
Essex
HelloRoam gives you instant data access in Essex, United Kingdom with no extra fees.
O2, Three, and Vodafone 5G cover Essex towns; rural north Essex may drop to 4G between larger settlements.
Hampshire Uk
Hampshire spans the English countryside, the New Forest, and the historic port city of Southampton. HelloRoam keeps you online throughout.
EE 5G covers Southampton and Portsmouth. Rural New Forest areas have solid 4G. Activate before your flight.
Kent
HelloRoam offers data plans for Kent travelers, with coverage across United Kingdom.
O2, Three, and Vodafone 5G cover Kent; Eurostar travellers at Ashford and Folkestone have strong signal.
Manchester
Manchester is the UK's second city and a hub for culture, football, and great food. HelloRoam gives you full coverage across Greater Manchester.
EE and Vodafone 5G cover Manchester city centre and the airport. Activate your HelloRoam eSIM before landing at MAN.
Surrey
HelloRoam makes it easy to stay online in Surrey with data plans for United Kingdom.
O2, Three, and Vodafone 5G cover Surrey; Gatwick Airport at the south edge has full 5G throughout terminals.
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Reviews
What Our Customers Say
Real reviews from Trustpilot and the App Store, quoted as written.
40k+ travellers have used HelloRoam
Cat
On a trip to Europe, my hotel Wi-Fi was so slow and outside Wi-Fi was unreliable. I couldn’t take it anymore so I got helloroam for a few days. It was tricky to set up correctly because of the primary settings (with my original number). But I reached out to their customer service via WhatsApp. Super responsive and helpful, with specific and clear steps to troubleshoot. Appreciate having 4G roaming instead of being stuck with in and out Wi-Fi during my trip!!
Rated 5 out of 5 by this reviewer
Very good experience! The eSIM was easy to set up and worked great in London. It was much cheaper than it would have been to use my own operator there.
Ilona
Rated 5 out of 5 by this reviewer
metulker
Hard to set up but help was good
Rated 5 out of 5 by this reviewer
Reuben
Really happy with HelloRoam. Everything worked as expected, from messaging and Google Maps through to streaming without any issues. Easy to use, reliable and affordable. Would happily use them again when travelling.
Rated 5 out of 5 by this reviewer
Angeline
Reliable connection. Reasonable pricing.
Rated 4 out of 5 by this reviewer
Updated
FAQs About eSIM in UK
How much does a UK eSIM cost for Australians heading to London and Scotland?
HelloRoam offers eSIM for UK plans from A$4.03 on EE and 3 5G networks. Activate by scanning a QR code before you leave Australia. Data is live when you land. No physical SIM card required and no roaming charges from Telstra or Optus.
Does a UK e SIM cover Scotland, Wales, and Northern Ireland as well as England?
A UK sim plan on HelloRoam runs on EE and 3 5G networks from A$4.03. Scan the QR code at home and arrive connected. Plan sizes vary by destination, and each destination page lists its own. No contract, and you can get a refund on an eSIM you never activated.
Does a HelloRoam UK eSIM work on the Eurostar to Paris and beyond?
Your HelloRoam UK eSIM covers the United Kingdom on EE and 3 5G networks. Once you board the Eurostar to Paris, your phone transitions to French networks in the Channel Tunnel and France. For France, Germany, and other European destinations, HelloRoam offers separate plans you can pre-install at home before your Eurostar connection.
Which HelloRoam UK eSIM plan is right for an Aussie on a six-week working holiday?
For a six-week UK working holiday, HelloRoam's unlimited plan gives you daily data across England, Scotland, Wales, and Northern Ireland without counting gigabytes. Run it on EE and 3 5G networks from A$4.03 and keep your Australian SIM active for calls from home. For stays beyond two months, a local UK PAYG plan may offer better rates.
What is the best eSIM for the United Kingdom?
HelloRoam is a good fit for Australians visiting the UK, and an eSIM you never activate can be refunded within 180 days. Plans connect on EE and Three from A$4.03. Activate at home before your long flight and arrive at Heathrow or Gatwick already online.
Does my Australian phone work in the UK?
Your Australian phone works fine in the UK on international roaming, but Telstra, Optus, and Vodafone AU all charge a daily fee for it. For a typical UK holiday of two to four weeks, that adds up fast. A HelloRoam eSIM is a much better option.
Which networks does HelloRoam use in the UK?
HelloRoam connects on EE and Three in the UK. Your phone selects the strongest signal automatically based on your location, whether you are in central London, the Scottish Highlands, or a Cotswolds village.
How do I activate a HelloRoam eSIM for the UK?
Buy your plan at helloroam.com, scan the QR code in your phone settings, and enable mobile data when you land. Best done at home before your 24-hour flight so you arrive already connected.
How much does a HelloRoam eSIM for the UK cost?
Plans for the UK start at A$4.03. A week on Telstra roaming means seven days of day-pass fees. A HelloRoam eSIM is a far better use of your UK travel budget.
Is there mobile coverage in the Scottish Highlands?
Yes, there is mobile coverage across most of the Scottish Highlands, and rural signal reaches many parts of the Highlands and islands. Remote areas around Wester Ross, the Outer Hebrides, and parts of the NC500 route can still have limited signal. Download offline maps before heading north.
Does HelloRoam work in London?
Yes, London has excellent 4G and 5G coverage from all major UK carriers. HelloRoam works across central London, the suburbs, and the Heathrow and Gatwick airport areas.
How much data do I need for three weeks in the UK?
Three weeks across the UK using maps, messaging, social media, and booking things on the go typically needs 5 to 8 GB. Add more if you are streaming Netflix on trains or making daily video calls back to Australia.
Can I use my HelloRoam eSIM in Europe after the UK?
Your HelloRoam UK eSIM is for UK use. If you are continuing to France, Germany, Italy, or other European countries, buy separate HelloRoam plans for each country or a Europe regional plan before you leave.
Can I use my eSIM hotspot in the UK?
Yes, HelloRoam eSIM plans for the UK include hotspot sharing. Connect a laptop or a travel companion's device to your 4G or 5G connection anywhere across England, Scotland, Wales, and Northern Ireland.
Does HelloRoam eSIM include calls and texts in the UK?
HelloRoam plans are data-only. Use WhatsApp, FaceTime, or Messenger for calls and messages. Emergency calls to 999 work from any network regardless of your data plan.
What to Know Before You Buy
eSIM requires an unlocked, eSIM-compatible device. Check your phone settings before buying.
Most travel eSIM plans provide data only. Your existing phone number stays active for calls and texts on your primary SIM.
Coverage quality varies by location within UK. Urban areas typically have strong 5G coverage, while rural or remote areas may have limited connectivity.
Install your eSIM before you leave. Activation requires an internet connection, which may not be available at your destination airport.
Transparency Notice
- Service Provider Name (SPN)
- HelloRoam appears as the carrier name on your phone's status bar through the SPN, a standardized field in the eSIM profile. Unlike most travel eSIM resellers, HelloRoam provisions its own Service Provider Name.
- Public Network Name (PNN)
- The PNN is the network-name field in your eSIM profile, defined in the mobile standard 3GPP TS 31.102 (EF_PNN). Your phone can read it to show the name of the network you're on.
- Access Point Name (APN)
- HelloRoam eSIMs auto-configure their Access Point Name during installation. Your device connects to a local partner network without manual settings.
Prices are our retail rates across 185+ countries. The recommended plan is picked by data size and price. You can get a refund on unactivated eSIMs within 180 days.
Future Syncs Limited 124 City Road, London, EC1V 2NX, UK +44 203 916 6249 help@helloroam.com Reg. No. 15950168
