To stay connected United Kingdomchoose the best eSIM is essential for reliable coverage and value for money. Discover the best options for your needs in 2025.
Find the best eSIM provider for your trip
1 - Ubigi, the best eSIM for the UK

Ubigi eSIM features
🌐 Compatible networks : 3G, 4G, 5G
📱 Calls and SMS : Not included, only to dedicated messaging platforms (VOiP)
📈 GO available : 1GO, 3GO, 5GO, 10GO, 20GO, 24GO, 25GO, 50GO, Unlimited
⏳ Package duration : 1 day, 7 days, 15 days, 30 days, 180 days
⭐ User notes : 4.6/5 according to App Store on 4,700+ user reviews
Ubigi offers a comprehensive range of eSIM packages for the UK, suitable for all traveler profiles, with competitive rates and instant activation. Based on the H3G network offering 4G/5G coverage, the platform enables automatic activation on arrival with no additional roaming charges. Whether you need a short-term connection or extended unlimited access, you'll benefit from unlimited connection sharing, easy top-up via the app even without data, and the flexibility to manage your plan directly from your compatible phone, tablet or laptop.
| Duration | Data volume | Price |
|---|---|---|
| 7 days | 10 GB | 8 € |
| 7 days | Unlimited | 22 € |
| 30 days | 25 GB | 22 € |
| 30 days | Unlimited | 32 € |
| 12 months | Unlimited | 44 € |
2 - Saily

Saily eSIM features
🌐 Compatible networks : 3G, 4G, LTE, 5G
📱 Calls and SMS : Not included, only to dedicated messaging platforms (VOiP)
📈 GO available : 1GB, 3GB, 5GB, 10GB, 20GB, 100GB
⏳ Package duration : 7 days, 30 days, 180 days
⭐ User notes : 4.8/5 according to Google Play out of 25,000+ user reviews
For the UK, Saily offers a wide range of eSIM packages for travellersThese range from 1 GB to options of up to 20 GB, with validity periods of between 7 and 30 days. Packages also include unlimited options offering 5 GB per day at full speed before reduction to 1 Mbps, ideal for stays of 10 to 30 days. Prices start at 4.49 USD for 1 GB for 7 daysto around 31.99 USD for 20 GB for 30 days. Activation is simple via the Saily app, with 24/7 customer support. These offers combine flexibility, competitive prices and reliable network coverage on the UK's best local infrastructures.
| Data | Duration | Price (USD) |
|---|---|---|
| 1 GB | 7 days | 4,49 $ |
| 3 Go | 30 days | 8,99 $ |
| 10 GB | 30 days | Not currently available |
| 20 GB | 30 days | 31,99 $ |
| 5 GB/day at full speed | 15 to 30 days | 47.49 $ to 71.99 $ |
3 - Yesim

Yesim eSIM features
🌐Compatible networks : 3G, 4G, LTE, 5G
📱 Calls and SMS : Not included, only to dedicated messaging platforms (VOiP)
📈 GO available : 500MB to Unlimited (on certain destinations)
⏳ Package duration : 10 days, 15 days, 30 days
⭐ User notes : 4.5/5 according to Google Play out of 4,500+ user reviews
Yesim offers a comprehensive range of eSIM packages for the United Kingdomspecially designed for travelers who demand flexibility and simplicity. Offers range from single-destination packages with data options limited between 10 GB and 30 GB on data packages unlimited from 1 to 30 days, with prices starting from 8 € for 1 day unlimited and up to 68 € for 30 days unlimited. Standard 10 to 30 GB packages are available from 19 € and 30 € for 30 daysThis allows you to adapt your choice according to duration and data requirements. Management is via a digital 100 % application, enabling rapid activation and complete autonomy without having to change a physical SIM card, ideal for business or tourism stays.
| Package type | Data | Duration | Price (€) | Price per day / Go |
|---|---|---|---|---|
| Unlimited | Unlimited data | 1 day | 8 | - |
| Unlimited | Unlimited data | 7 days | 30 | ≈ 4.30 €/day |
| Unlimited | Unlimited data | 15 days | 50 | ≈ 3.35 €/day |
| Unlimited | Unlimited data | 30 days | 68 | ≈ 2.30 €/day |
| Standard | 10 GB | 30 days | 19 | 1.90 €/Go |
| Standard | 15 GB | 30 days | 21 | 1.40 €/Go |
| Standard | 20 GB | 30 days | 24 | 1.20 €/Go |
| Standard | 30 GB | 30 days | 30 | 1.00 €/Go |
All Yesim plans are compatible with the majority of recent smartphones (iOS and Android) and offer 4G/5G coverage. They feature a simple interface, quick activation in just a few clicks, and no need for a physical SIM card, making connectivity easy during all types of stays in the UK.
How do I install a UK eSIM on my smartphone?

Step 1: Check your smartphone's eSIM compatibility
Check that your smartphone supports eSIM by consulting the system information (look for a EID in settings or device manual). Recent models of iPhone, Samsung, Google Pixel and other brands are generally compatible.
Step 2: Buy an eSIM package for the UK
Choose a provider offering eSIM for the UK. After purchase, you will receive a e-mail containing a QR code required for activation. Keep this e-mail accessible for the next step.
Step 3: Connect your smartphone to a stable Wi-Fi network
Make sure you're connected to a Reliable Wi-Fi before proceeding with installation. This avoids interruptions while the eSIM profile is being downloaded.
Step 4: Install your eSIM by scanning the QR code
- On Android : Go to Parameters > Network and Internet (or Connections) > SIM card manager (or Add a mobile package), then scan the QR code.
- On iPhone : Go to Settings > Cellular data > Add a cell phone planthen scan the QR code. If you have an activation link, click on it to start installation.
Step 5: Activate and configure your eSIM
In the network settings, select your eSIM as the main line for the data and calls. Activate thedata roaming if you plan to use it abroad. Restart your device if necessary to finalize activation.
