Compare the best eSIMs for United Kingdom: instant activation, nationwide coverage, and 5G depending on the area.
Choose an unlimited plan, 5 GB, or 10–20 GB depending on the length of your stay.
Before you choose your eSIM for the United Kingdom, here are the key points to know so you don’t run into any nasty surprises once you’re there.
Traveling in the UK with an eSIM is the easiest way to stay connected in London, Manchester, Glasgow or Birmingham. In just a few minutes, you can purchase and activate a 100% digital card, with no physical SIM, and enjoy a 4G/5G connection depending on the area. For a short trip, go for 5 GB; for heavier use, choose 10–20 GB or an unlimited plan.
eSIMs for the UK are compatible with major smartphones (iPhone, Google Pixel, Samsung, etc.) and let you share your connection via hotspot. Most plans are activated instantly via QR code and automatically connect to the best available local network (e.g. EE, O2, Vodafone or Three). Compare the plans below to find the best value for money for your trip.
Hotspot ?
5G
Calls/SMS
$24.90
$0.33
75 GB
30
$0.83
Hotspot ?
5G
Calls/SMS
$19.90
$0.99
20 GB
30
$0.66
Hotspot ?
4G
Top-up
$6.90
$1.38
5 GB
30
$0.23
✅ Activation: buy online → receive the QR code instantly → scan it (Settings > Mobile Data / Cellular > Add eSIM plan).
✈️ When to activate? Either just before departure or on arrival. The eSIM is activated at the first network connection.
📱✔️ Compatibility: iPhone XS/XR or newer, Pixel 3+ and recent Android phones with eSIM support. (Check in Settings > About > “EID”.)
🌐 Data only: no traditional calls/SMS. Use WhatsApp/FaceTime/Telegram to make calls and send messages.
📶 5G & coverage: 5G depends on the area and the operator’s availability (EE/O2/Vodafone/Three). Otherwise, speeds fall back to 4G/LTE.
🔗📲 Hotspot/tethering: hotspot is allowed on most plans (check for the “Hotspot” mention).
⚙️ APN: in most cases, the configuration is automatic. If needed, the APN details are provided after purchase.
🔄 Top-up: some plans are rechargeable; a top-up link is provided by the seller when available.
⏳ Duration & validity: the duration (days) starts at the first network connection. Some eSIMs must be activated within a given period (e.g. 30 days) after purchase.
💬🎧 Support: online customer support from the seller (EN/other languages) is available 7 days a week in most cases.
💡 Tip: on iPhone, set the eSIM as “Mobile / Cellular Data” and turn off “Data Roaming” on your main line to avoid unexpected roaming charges from your home carrier.
Most iPhones (XS/XR and newer), Google Pixel phones, and many recent Android models support eSIM. Check Settings > Mobile/Cellular Data > Add eSIM (or look for an EID identifier) to confirm.
Yes. United Kingdom eSIMs generally support Dual SIM: keep your physical SIM for calls/SMS and use the eSIM for mobile data (set it as your data line).
You can activate it just before departure or once you arrive. Most plans start at the first network connection in United Kingdom; some require activation within a certain time after purchase (as indicated by the seller).
Yes if the plan mentions Hotspot / Tethering. On some offers, the carrier may block it—always check the plan details before you buy.
Many plans can be topped up via a link provided after purchase. Otherwise, you can buy a new eSIM in a few minutes to get back online immediately.
