United Kingdom & Ireland eSIM
Mobile data in United Kingdom & Ireland. No roaming fees, instant activation, one-tap install on iPhone, Samsung and Android.
- 01Internet on arrival
- 02No SIM swap — keep your number
- 03Set up in under a minute, before you fly
Choose your plan
- 3G/4G network speeds
- Top-up anytime if needed
- Instant Activation · Hotspot Sharing
- 24/7 Support · No Contracts
All United Kingdom & Ireland eSIM plans and prices
| Data | Valid | Price | Per GB |
|---|---|---|---|
| 1 GB | 3 Days | $1.99 | $1.99 |
| 5 GB | 7 Days | $6.99 | $1.40 |
| 10 GB | 15 Days | $12.99 | $1.30 |
| 20 GB | 30 Days | $23.99 | $1.20 |
| 50 GB | 180 Days | $55.99 | $1.12 |
Which United Kingdom & Ireland eSIM plan should I pick?
A typical day: 2 hours of maps, a few calls, a short video call, photos on WhatsApp and 30 minutes of Reels or TikTok — about 1 GB a day.
-
Weekend or 3 days
about 3 GB 5 GB · 7 Days
$6.99 -
7 days
about 7 GB 10 GB · 15 Days
$12.99 -
14 days
about 14 GB 20 GB · 30 Days
$23.99 -
30 days
about 30 GB 50 GB · 180 Days
$55.99
More scrolling, streaming or hotspot? Go one size up.
How it works
- Step01 Choose Plan Pick the data and validity that fit your trip.
- Step02 Receive Order Email Your eSIM arrives by email straight away.
- Step03 Install in one tap Tap install, then switch on data when you land.
Coverage
-
United Kingdom
O2 5G, Vodafone 5G, 3 5G
-
Ireland
3 5G, Vodafone 5G
Need more coverage?
Common Questions
Is an eSIM useful for exploring London and Dublin in United Kingdom & Ireland?
You walk through arrivals at Heathrow Airport and open Uber to arrange your ride into London, passing the SIM kiosk queue instead of joining it. In the back seat, you use Google Maps to find your accommodation and save a walking route to Borough Market. Among the food stalls, you look up an unfamiliar dish, choose lunch and pay with Apple Pay. Then you book a London Eye ticket while your friend sends a meeting point through WhatsApp.
In Dublin, you follow Google Maps through Temple Bar towards Trinity College Dublin, pulling up your Book of Kells booking at the entrance. You send a courtyard photo home through WhatsApp, then find somewhere to sit and decide where to eat. Back at your accommodation, you browse Deliveroo for dinner while the photos upload, with no shop visit interrupting either part of your trip.
What should tourists look for in an eSIM for United Kingdom & Ireland?
For United Kingdom & Ireland, look for one regional plan covering both countries, with local network access along your route. This plan covers the United Kingdom and Ireland, so you can keep the same eSIM as your itinerary moves between them. Compare city stops with rural excursions when considering network reach.
Look for preflight installation, a clear activation window and a way to add data. This plan supports installation before you fly, gives you 180 days from purchase to activate and supports data top-ups. Hotspot works on most plans, which is useful when travelling with a tablet or laptop. Your data allowance and validity depend on the package you choose.
Where does the eSIM have coverage across United Kingdom & Ireland?
Your eSIM connects to local networks including O2, Vodafone, 3, with 3G/4G coverage across the United Kingdom & Ireland. Coverage is strongest in cities and main tourist areas such as London, Edinburgh, Dublin and Cork. It becomes patchier across the Scottish Highlands, remote parts of the Lake District and the mountainous interior of County Kerry, where terrain and sparse settlements interrupt reception.
| SimSwift eSIM | Local SIM | Roaming | |
|---|---|---|---|
| Setup | Install at home before you fly | Find a shop or airport kiosk and queue after landing | Nothing to install; switch roaming on |
| When you're connected | On landing, once connected to a supported network | After buying and setting up your SIM | On landing if your home plan includes destination roaming |
| Paperwork / ID | No paperwork or ID needed | ID may be requested at the counter | No new paperwork; use your existing account |
| Cost predictability | Pay once upfront for your chosen package | Buy on arrival at local rates | Included allowances or additional charges depend on your home plan |
| WhatsApp & your number | Keep using WhatsApp on your home number | New local number; WhatsApp stays on your home number | Your home number, on your home plan's roaming terms |
| Top-ups | Add data anytime with a top-up | Add data through the provider's app or a shop | Extra data depends on your home plan |
What digital travel tips help when visiting United Kingdom & Ireland?
- Download offline walking maps before hiking in the Lake District; save your route and trailhead separately.
- Pack a Type G plug adapter for charging devices in both the United Kingdom and Ireland.
- In London, use the same contactless card or device to tap into and out of rail journeys.
- Save accommodation entry codes and booking confirmations offline before heading into the Scottish Highlands.
- Ask staff for the Wi-Fi login in pubs and cafés; access often uses a sign-in page.
- Keep your charging port dry on wet coastal walks in Ireland; carry your phone in a waterproof pouch.
How much does a United Kingdom & Ireland eSIM cost?
SimSwift United Kingdom & Ireland eSIMs start at $1.99 for 1 GB valid for 3 Days.