'%3e%3cellipse%20cx='276'%20cy='279'%20rx='72'%20ry='75'%20fill='%23E2F4FD'/%3e%3c/g%3e%3cdefs%3e%3cfilter%20id='filter0_f_0_6661'%20x='0'%20y='0'%20width='552'%20height='558'%20filterUnits='userSpaceOnUse'%20color-interpolation-filters='sRGB'%3e%3cfeFlood%20flood-opacity='0'%20result='BackgroundImageFix'/%3e%3cfeBlend%20mode='normal'%20in='SourceGraphic'%20in2='BackgroundImageFix'%20result='shape'/%3e%3cfeGaussianBlur%20stdDeviation='102'%20result='effect1_foregroundBlur_0_6661'/%3e%3c/filter%3e%3c/defs%3e%3c/svg%3e)
'%3e%3cellipse%20cx='272'%20cy='260'%20rx='68'%20ry='56'%20fill='%23D0EEFD'/%3e%3c/g%3e%3cdefs%3e%3cfilter%20id='filter0_f_0_6660'%20x='0'%20y='0'%20width='544'%20height='520'%20filterUnits='userSpaceOnUse'%20color-interpolation-filters='sRGB'%3e%3cfeFlood%20flood-opacity='0'%20result='BackgroundImageFix'/%3e%3cfeBlend%20mode='normal'%20in='SourceGraphic'%20in2='BackgroundImageFix'%20result='shape'/%3e%3cfeGaussianBlur%20stdDeviation='102'%20result='effect1_foregroundBlur_0_6660'/%3e%3c/filter%3e%3c/defs%3e%3c/svg%3e)
eSIM United Kingdom: Prepaid Data Plans
United Kingdom eSIM plans start at $3.49 for 2 GB; our top plan for United Kingdom alone is 999 GB for 30 days at $49.99 (eSIMGo), the top multi-country one 50 GB at $36.49 (2 countries). Here a multi-country plan costs less per GB than any plan for United Kingdom alone (87 plans from 7 vetted providers). Prices updated ·
United Kingdom eSIM at a glance
MobiMatter Rewards
EXCLUSIVE
Get up to $5 for every friend referred
MobiMatter Rewards
EXCLUSIVE
Get 10% cashback with every purchase
Your next trip.
Connected.
Choose your travel eSIM and manage it in the MobiMatter app.
Networks used by United Kingdom eSIMs
Each plan connects to the networks listed on its page, so you choose your carrier before you buy. Coverage varies by area: a listed network does not guarantee signal everywhere.
Frequently Asked Questions
What is the cheapest eSIM for United Kingdom?
The cheapest plan that works in United Kingdom is a multi-country one: $3.49 for 2 GB, valid for 15 days. The cheapest plan for United Kingdom alone is 1 GB for 7 days at $5.99. Prices come live from 7 vetted providers and change often.
Is it worth getting an eSIM for United Kingdom?
For most travellers, yes, if your phone supports eSIM. United Kingdom plans start at $3.49 for 2 GB, and the longest lasts 365 days, which suits long stays and repeat visits. If your home plan already covers United Kingdom at no extra cost, you may not need one.
Which networks do United Kingdom eSIMs use?
United Kingdom eSIMs on MobiMatter run on EE, O2, Vodafone, 3, and 3UK; 5G plans are available on EE, O2, Vodafone, and 3. EE carries the most plans. Each plan names its network, so you choose your carrier before you buy.
Which eSIM is best for United Kingdom?
For United Kingdom alone, our top plan right now is 999 GB for 30 days at $49.99 from eSIMGo. If United Kingdom is one stop of several, the top multi-country plan is 50 GB for 30 days at $36.49 from Sparks, covering 2 countries. If price per GB is all that matters, the lowest right now is $0.67 per GB, with 30 GB for 15 days.
How much data do I need for a week in United Kingdom?
It depends on how you use your phone. Light use (maps, messaging, browsing) takes about 0.5–1 GB a day; scrolling a lot of social video can take 2–3 GB or more. Typical use per hour:
- Instagram Reels, TikTok: 0.3–1 GB
- YouTube, Netflix at standard quality: 0.5–1 GB
- Video calls (WhatsApp, FaceTime): 0.5–1 GB
- Voice calls (WhatsApp, FaceTime Audio): 50–70 MB
- Maps and navigation: 2–6 MB
- Messaging and browsing: 50–150 MB
The cheapest United Kingdom plan with at least 5 GB for a week or longer is 5 GB for 30 days at $6.49.
Is there an unlimited data eSIM for United Kingdom?
Yes. Unlimited data plans for United Kingdom start at $7.99. Many unlimited plans slow down after a daily high-speed allowance, so check the fair-use terms on the plan page before you buy.
Do United Kingdom eSIMs support 5G and hotspot?
5G is available on 40 plans for United Kingdom, where the local network has 5G coverage; the others use 4G/LTE. Hotspot (tethering) works on every plan, so you can share your data with other devices.
Does a United Kingdom eSIM come with a phone number?
Most travel eSIMs, including most United Kingdom plans, are data-only and have no local number. You keep your usual number on your main SIM for calls, texts and WhatsApp. Plans that include a number or minutes say so on the plan page.
Will my phone work with a United Kingdom eSIM?
Yes, if it supports eSIM and is not locked to a carrier. To check, dial *#06#: if an EID number appears, your phone supports eSIM. Most iPhones from the XS/XR on, Galaxy S20 and later and Pixel 3 and later do, except most models sold in mainland China and some sold in Hong Kong and Macao.
Can I keep my own SIM and WhatsApp while using a United Kingdom eSIM?
Yes. Your eSIM and your main SIM can be active at the same time. Use the eSIM for mobile data with data roaming on for that line, and turn data roaming off on your home SIM to avoid charges. WhatsApp keeps working on your usual number.
How it works
- 1
Checkout using secure payment methods
Get your eSIM by email within seconds.
- 2
Install eSIM
Instantly get your eSIM and configure it in your eSIM compatible device
- 3
Enjoy high speed connectivity
Once eSIM is configured, you can enjoy high speed roaming data connectivity
Why get your United Kingdom eSIM from MobiMatter
All your eSIMs in one app
Buy, install and top up every eSIM in the MobiMatter app, and check how much data you have left at any time.
Choose your network
MobiMatter shows which network each plan uses, so you choose your carrier before you buy. Pick from 87 plans from 7 vetted providers with the data and price that fit your trip.
24/7 support
Our support team is available 24/7, before and after you buy, for every eSIM you get from MobiMatter.
What our customers say
5.0
I’ve been travelling around SE Asia for the last 7 months, covering 6 different countries, and this app has been amazing throughout when needing to change eSIM. Very easy set-up when buying one and if you in fact are having some troubles, contacting the support team and talking through email takes no time at all. I was having some difficulty with an eSIM in Vietnam since my phone was not finding a signal no matter what I did - their support team helped me and guided me on different ways to fix it. Thank you!!
MMosepth
App Store
4.0
intuitive interface, fast delivery and good price
MMartien kas
Play Store5.0
For our trip to China, South Korea, and Japan, my wife and I bought two 12GB data packages and used them without any problems. Their prices are much more reasonable compared to competitors; I definitely recommend them.
AAbdullah Gokhan Demir
Play Store5.0
I use it successfully and continuously, with no interruptions or GB issues.
Translated from Turkish
GGÜRHAN ATILGAN
Play Store5.0
I had a problem and they answered so early no matter the time and guide through step by step so this is my fav esim app now
GGonca021
App Store5.0
I think it's a very nice application; they are helpful even if there is any problem. Successful!
Translated from Turkish
VVartolu 🙂
App Store5.0
I loved it! I can have data wherever I go, they have many options, the data lasts a long time and is very affordable. I used the 3GB option for Europe and I've already had data for 15 days for €5. Honestly, if you manage it well and use it only when you don't have Wi-Fi, it can easily last you thirty days. I still have 1.6 GB left (half) and I have 10 days left on the plan. Highly recommended app for eSIM 💪
Translated from Spanish
UUn Tatuador
App Store5.0
Best price guaranteed! Instant activation! The package I chose worked in four countries without any problems, three of them in the non-SEE area.
SSebastian Petra
Play Store5.0
the app has good prices, every e sim works fine, and it's easy to use
IIason Fotopoulos
Play Store5.0
Easy to install an to use. I install prior to my trip and once I arrived it connected automatically, no hassles for me.
LLeclerc Julien
Play Store5.0
Great app for eSIM, with many options and good prices.
Translated from Spanish
WWaynemarco_
App Store5.0
I use MobiMatter regularly when I travel, never had a single issue with it. Yesterday I did have a problem and their team solved it trough email very quickly, thank you you are very professional!
ZZokaLazic
App Store
United Kingdom eSIM guides
Jul 22, 2026 — 11 min read
Does a UK eSIM Work in Ireland? The Ultimate Guide to Confusing eSIM Destinations
The Double-eSIM Trap Picture this. You are planning a dream trip to Italy with a day trip to the Vatican. You search "eSIM" and see Italy and Vatican City listed as two separate options. Naturally, you buy both. You have just fallen for a search engine optimization trap that costs real travelers real money every day. Many eSIM players list tiny micro-states, islands, and territories as standalone destinations purely to capture more Google search traffic, not because the coverage actually works...
Read more
Aug 26, 2025 — 11 min read
Best eSIM Options for Traveling to the United Kingdom in 2026
Introduction The United Kingdom, with its blend of historic charm and modern vibrancy, is a top travel destination in 2026. From the iconic landmarks of London to the rugged beauty of the Scottish Highlands, staying connected is essential for a seamless travel experience. eSIM technology has revolutionized how travelers access mobile data, offering convenience, cost savings, and flexibility compared to traditional SIM cards or costly roaming plans. This guide focuses on the best eSIM UK provide...
Read more
May 18, 2026 — 9 min read
London in Bloom: The 2026 RHS Chelsea Flower Show
The RHS Chelsea Flower Show runs from May 19 to 23, 2026, at the Royal Hospital Chelsea in London. It is the most prestigious garden design event in the world, drawing over 150,000 visitors across five days. Alongside the main show, the Chelsea in Bloom fringe festival transforms Sloane Square and King's Road into a free outdoor floral exhibition. International visitors planning the trip need reliable UK connectivity from day one, and Mobimatter eSIM is the simplest way to arrive connected witho...
Read more