What is the best eSIM for London?

The best eSIM for London depends on how many days you're staying and how much data you need. Onetel offers Unlimited and Fixed GB plans specifically for London, United Kingdom — with instant QR code delivery and no roaming fees.

Do I need a local SIM card in London?

No. An eSIM is a digital alternative to a local SIM. You activate it remotely before your trip and it works as soon as you land in London.

Does my phone work with an eSIM in London, United Kingdom?

Most phones released after 2018 support eSIM, including all iPhone XS and later, Google Pixel 3 and later, and Samsung Galaxy S20 and later. Your device must also be carrier-unlocked.

Can I get a refund on a London eSIM plan?

Yes. You can request a full refund within 30 days if the QR code has not been scanned and the eSIM has not been installed or activated. Installed or activated eSIMs are non-refundable, even if no data was used.

🇬🇧 eSIM for London

From $0.69/day*

Unlimited data
7-day validity
Reliable data across London
Skip the roaming bills
QR code sent instantly by email

Start using your data in London

Longer trip, better daily rate.

eSIMs needed

Bigger bundles, bigger savings

Total

Get London eSIM

Install your eSIM before you fly. The plan activates when you land in London and switch it on.

* Lowest daily rate shown is for the longest unlimited-data plan purchased.

Secure Payment

London, United Kingdom eSIM travel illustration

Stay connected across London

Navigate London— maps stream live, no missed turns
Video-call family from anywhere in London
Post every moment from London as it happens
Stream music and podcasts on every London commute

4G / 5G available in London

Instagram

Google Maps

Spotify

Google Translate

TikTok

Get connected in London in 3 easy steps

Skip the store. Skip the plastic. Works on any eSIM-ready phone.

Choose your plan

Choose Unlimited or Fixed GB, then pick the number of days you need in London.

Install your eSIM

Scan the QR code we email you — it takes under 2 minutes on any eSIM-compatible phone.

Connect on arrival

Activate your eSIM when you land in London and connect straight away.

Why choose Onetel for London?

No roaming fees

One flat payment up front — zero bill shock when you return.

Keep your home SIM card

Your Hong Kong number keeps working. Run both networks side by side.

Delivered instantly by email

The QR code lands in your inbox seconds after you buy.

24/7 support

We're on standby any time, day or night, through live chat and email.

Refund on unused eSIM

Full refund within 30 days before you scan the QR, install, or activate.

Straightforward setup

Scan the QR code in Settings — no extra app, no hassle.

🇬🇧

Data plans for London

All prices in USD

Duration	Data	Price	Per day
1 day	500 MB	$3.64	$3.64/day
3 days	—	$8.52	$2.84/day
5 days	—	$13.88	$2.78/day
7 days	100 MB	$9.28	$1.33/day
10 days	—	$27.30	$2.73/day
15 days	2 GB	$14.69	$0.98/day
30 days	3 GB	$20.56	$0.69/day
180 days	50 GB	$56.00	$0.31/day

Questions travellers ask

What you need to know about your London eSIM

An eSIM is a digital profile already inside your phone. Skip the hunt for a local SIM at London airport. Scan a QR code before you leave home and connect as soon as you land — no physical card needed.

Your QR code arrives by email right after purchase — usually within seconds. Install it now or save it for later, before your flight.

For most travellers to London, the Unlimited plan is the easiest choice — browse the city, call home, and post photos without counting megabytes.

Yes. The eSIM covers the entire United Kingdom network, so you can also visit other cities and regions beyond London without changing plans.

Exactly. Your phone uses the eSIM for mobile data while your physical SIM handles calls and texts from home. Dual SIM, no trade-offs.

Hotspot availability varies by plan. Most unlimited plans include hotspot sharing. Check plan details before buying.