An eSIM for UK from HelloRoam starts at S$4.44 across 204+ carrier networks in 185+ countries. Activate via QR code in under two minutes on any eSIM compatible phone. Keep your Singtel, StarHub, or M1 number active on dual SIM.
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Travel eSIM UK options for Singapore travellers to London and beyond
Affordable eSIM for United Kingdom, starting from S$4.44. Local 4G LTE and 5G data on trusted carrier networks in United Kingdom. Works on all eSIM compatible handphones. Travel sim UK from HelloRoam starts at S$4.44 on T-Mobile UK 5G networks. Plans cover London, Edinburgh, Manchester, and the Lake District before landing at Heathrow or Gatwick. Activate by QR before your Changi departure. HelloRoam backs every order with a 180-day refund guarantee.
UK eSIM with fast 5G coverage
HelloRoam offers eSIM plans for the United Kingdom starting from $3.00. Connect on 5G networks including O2, Three, and Vodafone. The UK is a top long-haul destination for Singapore travellers visiting London, Edinburgh, and the English countryside.
- Plans start at S$4.44 with 5G speeds
- Coverage from T-Mobile UK and 3+ other operators
- Instant activation in under 2 minutes
- 180-day money-back guarantee
- UK coverage across major cities
- Network
- 5G
- Plans From
- S$4.44
- Activation
- Under 2 min
- Guarantee
- 180 days

How to Set Up an eSIM in UK

Select a data plan for your destination and complete checkout.

Scan the QR code to install your eSIM straight away.
Your eSIM installs instantly and activates when you land.

Track usage, top up data, and manage all your eSIMs in one place.

Select a data plan for your destination and complete checkout.

Scan the QR code to install your eSIM straight away.
Your eSIM installs instantly and activates when you land.

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 for your eSIM within 180 days of purchase.
Learn more about our refund policyHelloRoam UK eSIM vs Singtel, StarHub and M1
When comparing eSIM vs a travel SIM card for UK, HelloRoam wins on price. It beats Singtel DataRoam, StarHub RoamEasy, and M1 international roaming add-ons. The cheapest eSIM plan starts from S$4.44, with no activation fee and a 180-day refund guarantee.
| Feature | Local provider | Limited data eSIM | |
|---|---|---|---|
| 180-day refund policy | |||
| 24/7 live chat support | |||
| $0 activation fees | |||
| 99.8% uptime guarantee | |||
| No data overage charges | |||
| Instant QR code delivery | |||
| Premium UK carrier networks |
HelloRoam eSIM vs SIM card for UK: which is better for Singapore visitors to Britain?
HelloRoam eSIM beats a SIM card UK from Heathrow or Gatwick kiosks because airport prices are inflated and queues run long. HelloRoam activates by QR before boarding at Changi. Plans start from S$4.44 on T-Mobile UK 5G covering London and Scotland. No contract.
A tourist sim card UK from Vodafone, EE, or O2 in-store requires visiting during shop hours. HelloRoam sends your QR by email before you fly. Activate in two minutes from Singapore. Data covers London, Edinburgh, Manchester, and the Lake District without any physical card swap.
A prepaid SIM card UK from the airport arrivals hall costs more than HelloRoam plans starting from S$4.44. HelloRoam gives you the same T-Mobile UK 5G coverage across England and Scotland via QR, activated before your Changi flight so data is ready on the Heathrow Express. No contract.
A data sim card UK from an EE or Vodafone carrier store gives you one plan type with no pricing flexibility. HelloRoam offers fixed and unlimited data on T-Mobile UK 5G from S$4.44 to suit different trip lengths. Activate by QR before your Changi departure with no physical card.
The cheapest eSIM UK option from HelloRoam beats airport kiosk prices at Heathrow with multiple durations for short London city breaks and extended Scotland trips. Plans start from S$4.44 on T-Mobile UK 5G. Activate before you board at Changi, no airport stop required.
A UK data sim from HelloRoam covers England, Scotland, Wales, and Northern Ireland from S$4.44 on T-Mobile UK 5G. Activate by QR before your Changi flight and land at Heathrow or Gatwick fully connected. No store visit, no contract, and no SIM tray tool needed.
Why Singaporean Travellers Choose an e SIM for UK
UK eSIM Prices in 2026
Compare HelloRoam eSIM plans for UK. Plans start from S$4.44 with local 4G LTE and 5G access. No Singtel or StarHub roaming surcharges.
| Number of days | Price (AUD) |
|---|---|
| 1 day | S$4.26 |
| 3 days | S$12.25 |
| 7 days | S$28.60 |
| 15 days | S$59.28 |
| 22 days | S$83.03 |
| 30 days | S$109.23 |
HelloRoam vs Other eSIM Providers for UK
See how HelloRoam compares to Airalo, Holafly, and other eSIM providers for UK travel. Singaporean travellers choose HelloRoam for the industry-leading purchase protection guarantee, 24/7 live chat support, and competitive pricing from S$4.44.
| Feature comparison | Airalo | Holafly | Nomad | Saily | Ubigi | |
|---|---|---|---|---|---|---|
| 180-day refund policy | ||||||
| 24/7 live chat support | ||||||
| A$0 activation fees | ||||||
| 99.8% uptime guarantee | ||||||
| No data overage charges | ||||||
| Instant QR code delivery | ||||||
| Premium UK carrier networks | ||||||
| Own branded carrier identity (SPN) |

Mobile connectivity guide for the United Kingdom
The United Kingdom has excellent 5G and 4G coverage across London, Edinburgh, Manchester, and all major cities. O2, Three, and Vodafone are leading networks with strong national coverage.
For Singaporeans, the UK is a major long-haul destination: many Singapore families have relatives or friends in the UK, and London is a bucket-list destination for shopping, history, and theatre. Singapore Airlines and British Airways both fly direct from Changi to Heathrow.
- HelloRoam connects to T-Mobile UK 5G, Three 4G, O2 5G and 1 more in UK
- 5G on O2, Three, and Vodafone across London, Edinburgh, Manchester, and nationwide
- Connect at Heathrow or Gatwick immediately after your SIA or BA flight from Changi
- Covers Central London, the Edinburgh Royal Mile, the Cotswolds, and Scottish Highlands
eSIM Travel Tips for UK
London is a top destination for Singaporeans: sort your eSIM at home
Singapore to London Heathrow is about 13 hours on Singapore Airlines. Set up your HelloRoam eSIM the night before your Changi departure. Enable data when you land at Heathrow and the TfL (Transport for London) app, Citymapper, and Uber work immediately. No SIM hunting at Heathrow needed.
TfL, Elizabeth line, and the Tube need live data
London's public transport network is vast. The Citymapper and TfL Go apps are the best ways to navigate the Underground, the Elizabeth line, and London buses. Both need live data. Your HelloRoam eSIM keeps transit apps running from Heathrow Terminal 2 or 5 all the way into Central London.
Shopping in London: from Harrods to Oxford Street
London shopping is a major draw for Singapore visitors. Harrods, Selfridges, Oxford Street, and the King's Road are all well covered with 5G. Your HelloRoam eSIM keeps Google Maps, online banking, and price comparison apps running throughout your London shopping days.
Edinburgh and Scotland: good coverage in cities, limited in Highlands
Edinburgh's Old Town, the Royal Mile, and Arthur's Seat area have excellent 4G and 5G. The Scottish Highlands (Glencoe, Ben Nevis, Isle of Skye) have very limited signal. Download offline maps of the Highlands and your road trip itinerary before leaving Edinburgh.
Many Singaporeans have family in the UK: plan your data
The Singapore community in the UK is significant. Whether visiting family in London, Manchester, or Birmingham, or attending university open days, a HelloRoam eSIM keeps WhatsApp, video calls back to Singapore, and navigation all running throughout your UK stay.
Mobile networks in the UK: what Singapore visitors need to know
HelloRoam connects on O2, Three, and Vodafone in the United Kingdom. All three are major national operators with 5G in London and major cities and 4G across England, Scotland, and Wales. Rural Scotland and remote areas of Wales and northern England can have limited signal.
- T-Mobile UK

- 5G
- Three

- 4G
- O2

- 5G
- O2

- 4G
HelloRoam eSIM vs Singtel, StarHub, or M1 UK roaming
Your data options for a UK trip from Singapore.
From SGD 6.36 total
Plans from $3.00. Buy before your SIA or BA flight from Changi, activate at home, and land at Heathrow already on local O2, Three, or Vodafone 5G. TfL navigation ready from the terminal.
SGD 12.72–SGD 31.81 total
UK prepaid SIMs are available at airport shops. But after a 13-hour flight from Changi, a HelloRoam eSIM already activated at home is far more convenient.
SGD 10.18–SGD 15.27/day
Singapore carrier UK roaming packages can cost $8 to $15 per day. Two weeks in London and Edinburgh on SG roaming adds up very significantly compared to a HelloRoam eSIM.
| Category | UK SIM | Singtel, StarHub, or M1 UK roaming | |
|---|---|---|---|
| Typical cost | From SGD 6.36 total | SGD 12.72–SGD 31.81 total | SGD 10.18–SGD 15.27/day |
| Details | Plans from $3.00. Buy before your SIA or BA flight from Changi, activate at home, and land at Heathrow already on local O2, Three, or Vodafone 5G. TfL navigation ready from the terminal. | UK prepaid SIMs are available at airport shops. But after a 13-hour flight from Changi, a HelloRoam eSIM already activated at home is far more convenient. | Singapore carrier UK roaming packages can cost $8 to $15 per day. Two weeks in London and Edinburgh on SG roaming adds up very significantly compared to a HelloRoam eSIM. |
Best time to visit the UK from Singapore
Summer in the UK from June to August is the most popular with Singapore visitors. Long daylight hours and festival season make it ideal. Spring from April to May is beautiful with blossoms and pleasant weather. UK winters are cold, grey, and short on daylight. Singapore school holidays in June and December are peak SG travel periods to the UK.

Prices verified for 2026
FAQs About eSIM in UK
An e SIM UK plan from HelloRoam starts at S$4.44 on T-Mobile UK 5G. HelloRoam activates by QR code before your Changi departure so data is live from the moment you clear UK arrivals. No physical SIM needed. No contract.
eSIM card UK plans from HelloRoam cover your full trip with local network speeds from S$4.44. Set up takes two minutes before your Changi flight. No contract and no airport kiosk markup.
For Singaporean travellers heading to UK in 2026, HelloRoam is the top-rated eSIM choice. Plans start from S$4.44 in SGD with access to local 4G LTE and 5G networks across a wide carrier partnership spanning 185+ countries. Activate via QR code in under 2 minutes before departing from Changi Airport. Your Singtel, StarHub, or M1 number stays active through dual SIM while HelloRoam handles data abroad. You get a full money-back guarantee and 24/7 live chat support.
A UK eSIM from HelloRoam costs from S$4.44 per day. Compare that to Singtel DataRoam daily passes and StarHub RoamEasy rates, which typically cost S$15 to S$30 per day. HelloRoam connects to local networks in UK at local data prices, with no daily roaming surcharges and no carrier contract. All plans include local 4G LTE and 5G access with no overage charges.
An eSIM for UK from HelloRoam connects to local 4G LTE and 5G carrier networks. Your handphone picks the strongest available signal the moment you land. Coverage spans major cities, highways, and most rural areas. HelloRoam has direct partnerships with local networks globally, so you get data speeds comparable to a local prepaid SIM card in UK.
Buy your UK eSIM before you leave Singapore in three steps. First, select your plan at helloroam.com and complete checkout in SGD. Second, open your handphone Settings, tap Add eSIM or Add Mobile Plan, and scan the QR code from your email. Third, your eSIM installs in under 2 minutes. Set it up the night before your flight from Changi and land connected.
iPhone XS and all newer models support HelloRoam eSIM in UK. iPhone 13 and later models support dual eSIM, so your Singtel or StarHub line stays active for calls while HelloRoam handles travel data. For Android, Samsung Galaxy S20 and newer, Google Pixel 3 and later, and most 2019+ Android handphones support eSIM. Check your handphone Settings for an Add eSIM option to confirm compatibility.
A UK eSIM from HelloRoam starts from S$4.44 per day, paid once. Singtel DataRoam, StarHub RoamEasy, and M1 international roaming typically charge S$15 to S$30 per day. HelloRoam connects to local networks in UK at local data prices, not the premium roaming rates Singapore carriers charge. Fixed data plans suit short trips; unlimited plans suit longer stays.
Activate your UK eSIM at home before heading to Changi Airport. Open Settings on your iPhone or Android, tap Add eSIM, and scan the QR code from your HelloRoam email. The process takes under 2 minutes. Your eSIM connects to a local network the moment your plane lands. No searching for a SIM counter at the destination airport and no SIM card swap required.
HelloRoam offers a six-month purchase protection window on all eSIM plans. If you have not installed or activated your eSIM, you receive a full refund. If you have used some data, HelloRoam refunds the unused portion. Contact support with your order ID within six months of purchase. Refunds are processed within 5 to 14 business days. This protection period is longer than most competitors, including Airalo.
Yes. HelloRoam eSIM plans for UK start from S$4.44 per day, compared to Singtel DataRoam and StarHub RoamEasy daily passes that can cost S$15 to S$30. HelloRoam connects to local partner networks in UK at local data rates, not the retail international roaming prices that Singapore carriers charge.
Singaporean travellers visiting UK consistently rate HelloRoam as a reliable eSIM platform. It works across a broad network of local carrier partners in 185+ countries, starting from S$4.44, with a six-month purchase protection window. Compatible with any unlocked eSIM iPhone or Android handphone. You get local 4G LTE and 5G speeds, 24/7 live chat support, and instant QR code delivery. No store visit and no carrier contract required.
What to Know Before You Buy
Handphone must be carrier-unlocked
Data only — voice calls via WhatsApp or VoIP
Coverage varies by destination and local network
Wi-Fi required to download eSIM profile
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)
- HelloRoam holds a registered Public Network Name, the official carrier identity filed with telecommunications authorities. HelloRoam is recognized as a licensed service provider, not a white-label reseller.
- Access Point Name (APN)
- HelloRoam eSIMs auto-configure their Access Point Name during installation. Your device connects to the strongest local network infrastructure without manual settings.
Prices are our retail rates across 185+ countries. Plan recommendations use real traveller feedback and network performance data. Every purchase includes a 180-day money-back guarantee.















