Business Plans
UK eSIM from Three
Travel smart — data-only or voice, data & SMS plans below. Easy eSIM setup.
Rated 4.6/5 Excellent - Based on 77800+ Reviews
Data Only
(2)100 GB
30 Days
£15.00
0
150 GB
30 Days
£17.00
0
Looking for wider coverage?
Data + Calls + SMS
(2)100 GB
30 Days
£16.50
0
150 GB
30 Days
£18.00
0
Family Plan Savings
Add 2 plans to get 10% OFF, or 3+ plans for 15% OFF!
High-Speed Data
4G/5G networks in all covered countries
No Roaming Fees
One flat rate across all countries
Secure Connection
Encrypted connections for safe browsing
Three eSIM Plans
Seamless Setup, Powerful eSIM.
Select Country
Choose Plan
Make Payment
Activate your eSIM
Why Choose eSIM Cards for Three Network Plans
There are a few ways to get Three mobile unlimited data - you could walk into a store, wait for a physical SIM, or simply go digital. If you’re looking for the easiest and quickest option, eSIM is the clear choice. You can access one of the fastest UK networks right from the comfort of your home, without any extra steps or delays.
No Store Visit Required
With a UK Three Mobile plan, everything is done online and there’s really no need to step out or wait in queues. You can simply choose to download your plan or activate it from anywhere as the entire process happens digitally. In just a few taps, you can explore the best of Three offers that work around the world.
Proper Network
With a Three internet eSIM plan from us, you’re not getting a downgraded service as these plans actually run on the actual 3 network. It just means you get the same coverage, and reliability but just through a much simpler and faster buying process.
Flexible Plan Lengths
The Three mobile internet plans are designed to fit how people actually use data, whether it’s short-term or ongoing usage. You’re not locked into long-term contracts, giving you the freedom to switch or stop whenever you need.
Unlimited Data Options Available
For heavy data users, Three mobile unlimited data plan take away the stress of tracking usage. You can stream, browse, and work online without constantly worrying about hitting a limit or running out midway.
Keep Your Number Active
Your existing SIM continues to handle calls and texts, while the eSIM manages your data. Both can run simultaneously on the same device, so you don’t have to give up your primary number. Just make sure that your device is dual SIM and eSIM compatible.
Transparent Before You Buy
All key details like data limits, validity, and pricing are clearly shown upfront with the Three internet plan. There are no hidden conditions or confusing terms, so you know exactly what you’re paying for before making a decision.
Benefits of Using Three eSIM Through eSIM Cards
Nationwide UK Coverage
The 3 network coverage is vast and provides strong internet across England, Scotland, Wales, and Northern Ireland. Whether you’re in a major city or travelling through smaller towns, you can expect a stable connection for everyday use.
5G Where It's Available
Three 5G coverage has expanded significantly in recent years, especially in urban areas. If you’re in a supported location, you’ll notice faster speeds, smoother streaming, and quicker downloads compared to standard networks.
Roaming Across 70+ Countries
The Go Roam feature is one of Three’s standout benefits, allowing you to use your data in over multiple countries. This means you can stay connected while travelling without needing to switch plans or pay extra roaming charges.
Hotspot Fully Supported
All plans support hotspot usage, so you can easily share your connection with other devices. It’s especially useful for remote work, travel, or when others around you need internet access.
Data-Only or Full Plans
You have the flexibility to choose what UK Three mobile plan suits your needs best. Whether you only need data for browsing or a full plan that includes calls and texts, both options are available.
No Physical SIM to Lose
Since everything is digital, there’s no physical SIM card involved with 3 wireless internet. Your eSIM is stored securely within your device, so there’s nothing to misplace, damage, or swap out. It also saves you from various scams like SIM swap and works as a shield if the device is misplaced.
No Contract
All plans are prepaid and contract-free, giving you complete control. You simply pay for what you need, use it, and move on - no long-term commitments or complicated cancellations. You also don’t have to worry about paying any hidden charges later on.
Instant Setup at Any Hour
You can buy and install your plan anytime, day or night. Even if you realise at the last minute, like during a late-night arrival - you can still get connected within minutes without any delays. After purchasing the activation process takes just a few minutes.
eSIM Cards: Three Network vs Other eSIM Providers
| Feature | Other eSIM providers | eSIM Cards |
|---|---|---|
| Buy Online Before Arrival | ⚠️ | ✅ |
| Instant QR Code Delivery | ⚠️ | ✅ |
| 5G Network Access | ❌ | ✅ |
| Hotspot / Tethering Included | ⚠️ | ✅ |
| Roaming in 70+ Countries | ❌ | ✅ |
| Unlimited Data Plans | ⚠️ | ✅ |
| No Contract Required | ⚠️ | ✅ |
| 24/7 Customer Support | ❌ | ✅ |
Customer Reviews
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Receive Your eSIM Profile via Email or App
Once you purchase, you'll instantly receive simple instructions to install and activate your Three eSIM and enjoy affordable data while you travel.
What's Included:
QR Code Installation Guide
Step-by-step App Instructions
Instant Activation Support
Live Chat & Email Support
One app. Endless travel possibilities.
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