Back to Europe eSIM

London eSIM

Stay connected in London with an instant-activation eSIM, fast data, and reliable support.

PLANS FOR ...

Customize your plan in 3 simple steps

1. Choose your destination

2. How much data do you need?

Select a destination to view plans.

3. How many days are you traveling?

Select data amount first.

Coverage

4G/5G networks in London

Activation

QR setup in minutes

Trip ready

Ideal for moving around London

Why use an eSIM in London?

You avoid roaming costs, activate your plan before flying, and get online as soon as you land in London. You can also keep your main number active while using travel data in Europe.

Short trip (2-4 days)

1-3 GB

Navigation, messaging, tickets, and maps.

Full week (5-8 days)

5-10 GB

Daily maps, social apps, and short-form video.

Long stay (9-15 days)

10-20 GB

Occasional hotspot, video calls, and light work.

Connectivity checklist for London

Install your eSIM before departing for London.
Enable data roaming on your eSIM line once you land.
Set the eSIM as your primary data line.
Save the QR locally in case you need to reinstall.

Networks usually available: Movistar, Orange, Vodafone, O2, TIM.

Network coverage and quality for London

Our eSIM automatically connects to the best local networks (Movistar, Orange, Vodafone, O2, Deutsche Telekom) to guarantee maximum speed and stability across the continent.

MovistarOrangeVodafoneO2TIM

Estimated usage by activity

Maps and navigation60-120 MB/h
Messaging and email15-40 MB/h
Social media120-250 MB/h
HD video call500-900 MB/h

How to activate your eSIM for London

Step 1

Scan the QR

You will receive a QR code in your email instantly.

Step 2

Install the profile

Follow the steps on your iPhone or Android (Settings > Mobile Data).

Step 3

Activate on landing

Turn on data roaming for the eSIM when you arrive in Europe.

eSIM vs Roaming in Europe

OptionCostSetup
RoamingExpensiveAutomatic
Local SIMCheapPhysical (Store)
Onzly eSIMAffordableInstant (Digital)

Frequently asked questions for London

Does Onzly eSIM work in London?

Yes, Onzly eSIM provides coverage in London and across Europe through 4G/5G partner networks.

Can I activate the eSIM before arriving in London?

Yes, you can install it before traveling and activate it upon landing to connect immediately.

Does the Europe eSIM include calls?

Our data plans are focused on internet access. You can use WhatsApp, FaceTime, or Skype for calls.

Does it work in the UK and Switzerland?

Yes, our regional Europe eSIM includes coverage in the UK and Switzerland.

Guides by trip type in London