For a week in the UK, most travellers need 5–10 GB, and a travel eSIM lands on Vodafone UK, O2, EE or Three — the same four networks a local SIM uses. Our catalogue has 80 plans covering the UK as of 22 September 2026, starting at $2.85, with 44 of them offering 5G where the network provides it.
Before anything else, the thing that catches people out: the UK left the EU, and “roam like at home” no longer applies there. If you are an EU resident, your domestic allowance may stop at the Channel — some operators voluntarily kept the UK in their bundles, many did not. And if you bought a Europe eSIM for a wider trip, whether it works in Britain depends entirely on whether the plan lists the United Kingdom. Several do not.
Check the coverage list on the plan page before you fly. This is the single most common way travellers arrive in London with no data on a plan they were sure covered them.
- A week for most people: 5–10 GB. City Wi-Fi is good, so many travellers use less than expected.
- Networks: Vodafone UK, O2, EE or Three, depending on the plan.
- Prices: from $2.85, with plans up to 999 GB and up to 365 days.
- 5G: 44 of the 80 plans covering the UK include it.
- Calls included: unusually for this catalogue, our UK-specific plans bundle UK calling minutes — from 20 minutes on the smallest plan to 450 on the largest.
Is the UK included in a Europe eSIM?
Sometimes. Never assume.
Regional Europe plans are built from wholesale agreements, and the UK is now a separate negotiation rather than part of the EU bloc. That means two plans sold side by side, both called “Europe”, can differ on Britain. The only reliable check is the coverage table on the plan page, which lists every country the profile will work in by name.
The same applies in reverse: a UK-specific plan does not cover Ireland, and the border between Northern Ireland and the Republic is exactly where people discover this. If your trip includes Dublin as well as Belfast, either pick a plan that names both, or compare Ireland plans separately.
Practical rule: if your trip is UK-only, buy a UK plan. If the UK is one stop in a European route, open the coverage table and search for “United Kingdom” before paying. Our Europe eSIM guide covers how the regional plans are structured.
Ready to sort it out? Compare UK eSIM plans — 80 of them, from $2.85 — or see Europe plans if Britain is one leg of a longer trip.
The UK plans include calling minutes
This is genuinely unusual and worth knowing, because almost every other destination in our catalogue is data-only.
| Plan | Data | UK minutes | Price |
|---|---|---|---|
| 1 GB / 7 days | 1 GB | 20 | $4.59 |
| 5 GB / 30 days | 5 GB | 100 | $8.19 |
| 10 GB / 30 days | 10 GB | 200 | $11.39 |
| 20 GB / 30 days | 20 GB | 300 | $15.39 |
| 50 GB / 30 days | 50 GB | 450 | $19.70 |
Minutes matter in Britain more than you might expect. Booking a table, calling a minicab firm, reaching a letting agent about keys, phoning a GP surgery or a National Rail line — plenty of everyday UK interactions still happen by voice, and some 0800 and landline numbers are awkward to reach over internet calling. If your trip involves any of that, a plan with minutes saves the hassle.
If you only need data, the 999 GB / 30 day plan at $22.39 is effectively unlimited for any normal trip, and it is the one to pick if you are working from the UK for a month.
How much data do you need in the UK?
Size the plan from behaviour, not fear. A normal tourist uses 500 MB to 1 GB a day. The UK sits at the lower end: Wi-Fi in cafés, hotels, pubs and most city centres is reliable, and the Underground now has mobile coverage across much of the network rather than only at stations.
| Trip length | Light: Wi-Fi most of the day | Normal tourist | Heavy: video, hotspot, working |
|---|---|---|---|
| Long weekend | 1–2 GB | 2–3 GB | 5–10 GB |
| 1 week | 3–5 GB | 5–10 GB | 15–20 GB |
| 2 weeks | 5–10 GB | 10–20 GB | 50 GB or the 999 GB plan |
Add roughly 30% margin, and add more if you are driving. Motorway navigation plus live traffic on the M6 or the A9 north of Perth consumes steadily, and rural Scotland and Wales are where you will want mapping to keep working. If you do run out, you can top up an active eSIM without reinstalling anything.
Which UK network will you land on?
Four networks, and all of them are genuinely good in populated areas.
| Network | Tech | Share of our UK-covering plans |
|---|---|---|
| Vodafone UK | 5G | 63 of 80 plans (79%) |
| O2 | 5G / 4G LTE | 58 of 80 plans (72%) |
| EE | 5G / 4G LTE | 51 of 80 plans (64%) |
| Three | 4G LTE / 5G | 31 of 80 plans (39%) |
In London, Manchester, Edinburgh and every other city, all four work well and 5G is widespread. The differences appear in rural Scotland, mid-Wales, the Pennines and parts of the South West, where EE has historically had the widest reach and Three the least. Most of our plans list more than one network, so the profile can select whichever has signal — useful on a Highlands drive, and the reason the percentages above add past 100.
When you should not buy a travel eSIM
Two honest cases.
You might already be covered. Many US plans include the UK in international bundles, and some EU operators kept Britain in their roaming allowances after Brexit despite no longer being required to. Check your own terms first — if the UK is included, use it.
Long stays. For a month or more, a UK pay-as-you-go SIM from a supermarket or phone shop is cheap, requires no paperwork, and gives you a British number, which matters for deliveries, banking and anything that texts you a code. Our UK plans with minutes do come with a UK mobile number that receives calls free, but they list minutes rather than texts, so for anything that texts you a code a local SIM is still the safer choice; our guide to UK eSIMs with a phone number has the details.
For the common case — a long weekend or a two-week trip where you want data working the moment you land at Heathrow — the eSIM is simpler, and your own number stays reachable.
Choosing a plan by trip type
| Trip | What to buy | Why |
|---|---|---|
| Long weekend in London | 1 GB + 20 min / 7 days | Maps, messages and a couple of restaurant calls. |
| One week, cities | 5 GB + 100 min / 30 days | Comfortable with plenty of Wi-Fi offload. |
| Two weeks or driving | 10 GB + 200 min / 30 days | Motorway navigation runs the whole journey. |
| Heavy use or hotspot | 20 GB + 300 min / 30 days | Tethering a laptop without watching a counter. |
| Working from the UK | 999 GB / 30 days | Effectively unlimited at $22.39. Data only, no minutes. |
| UK plus mainland Europe | A Europe plan listing the UK | One profile for the route — but confirm Britain is named. |
How to install and activate
Buy before you fly, install on home Wi-Fi, and leave the profile switched off until you land. Installation needs internet; activation does not.
iPhone: open the QR code email on a second screen, then Settings → Cellular → Add eSIM → Use QR Code. Keep your home line as the default for calls and texts, and switch mobile data to the travel plan after landing.
Android: Settings → Network & internet → SIMs → Add eSIM, then scan the same code. Samsung, Pixel and Xiaomi word it slightly differently; the flow is the same.
Most of our UK plans start counting validity on first data use rather than at purchase, so installing early does not burn days — each plan page states its policy. Your own number stays reachable on your primary SIM, which is the main reason to use a travel eSIM rather than swapping to a local SIM. Check the phone is carrier-unlocked and eSIM-capable on our compatibility list first. If it does not connect, the troubleshooter covers the usual causes, and remaining data shows on the usage page.
What this costs against roaming
If the UK is not in your bundle, out-of-bundle roaming is charged per day or per megabyte, and a fortnight of it comfortably exceeds even our 50 GB plan. The 2026 roaming charges explainer covers how the daily-fee model works and where it stings.
Frequently asked questions
Does a Europe eSIM work in the UK after Brexit?
Only if the plan lists the United Kingdom in its coverage. The UK is no longer part of the EU roaming bloc, so regional Europe plans vary — some include Britain, some do not. Check the coverage table on the plan page before buying.
Does a UK eSIM work in Ireland?
No, unless the plan names Ireland. The Republic of Ireland is a separate country for roaming purposes, and crossing from Northern Ireland is where travellers usually discover this. Pick a plan listing both, or buy Ireland separately.
Do UK eSIM plans include phone calls?
Our UK-specific plans do, from 20 minutes on the smallest to 450 on the largest. That is unusual — most travel eSIMs are data-only. The 999 GB plan is the exception in our range: data only, no minutes.
How much data do I need for a week in the UK?
Most travellers use 5 to 10 GB. Wi-Fi is widely available in cafés, hotels and city centres, so consumption tends to run lower than in countries where you rely on mobile data all day. Size up if you will be driving between cities.
Which UK network has the best coverage?
All four are strong in cities. Outside them — rural Scotland, mid-Wales, the South West — EE has historically reached furthest and Three the least. Most plans list several networks, so the profile can pick whichever has signal.
Will my phone work on the London Underground?
On much of the network, yes. Mobile coverage has been extended beyond stations into running tunnels on many lines, though it is not yet universal. Your travel eSIM uses the same networks as a local SIM, so it gets the same coverage.
When does the validity period start?
On most of our UK plans, on first data use rather than at purchase, so you can install days ahead. Each plan page states its activation policy, so check there rather than assuming.
Plan counts, prices and network shares here are from our own catalogue on 22 September 2026. Prices move daily with supplier pricing, so the figures are a snapshot and the UK plans page is the live version. Whether your home plan covers the UK is set by your own operator — check their terms directly, as post-Brexit arrangements differ between carriers.
Britain is the destination where the mistake happens before you leave: a Europe plan that does not say “United Kingdom”. Open the coverage table, search for it by name, and the rest of the trip is straightforward.