Europe · Updated 2026
The best eSIM for United Kingdom
We compared 7 eSIM data plans available in United Kingdom — ranked by price per GB, network speed and hotspot support. Right now the best deal is Holafly Unlimited Europe 15d at $0.78 per GB.
Our top picks for United Kingdom
Three plans worth your attention
- Best value
Holafly
Unlimited Europe 15d
Cheapest cost per gigabyte in our United Kingdom index.
- $/GB
- $0.78
- Data
- 60GB
- Speed
- 100M
Read the full review →
- Fastest
Instabridge
Europe 50GB
Top advertised downlink — best for streaming and tethering a laptop.
- $/GB
- $0.78
- Data
- 50GB
- Speed
- 200M
Read the full review →
- Most data
Holafly
Unlimited Europe 15d
Largest data allowance — ideal for heavy users and long trips.
- $/GB
- $0.78
- Data
- 60GB
- Speed
- 100M
Read the full review →
All 7 eSIM plans for United Kingdom
Click any column header to sort. Click a plan name to read the full review.
| Plan | Data | Price | $/GB | Speed | Coverage | Hotspot | |
|---|---|---|---|---|---|---|---|
Holafly Unlimited Europe 15d 15 days Unlimited data | 60GB | $47.00 | $0.78 | 100M4G/5G | 31 countries | Get | |
Instabridge Europe 50GB 30 days Best /GB in EU | 50GB | $39.00 | $0.78 | 200M5G | 31 countries | Get | |
Instabridge Global 20GB 30 days | 20GB | $49.00 | $2.45 | 150M4G/5G | Global | Get | |
Airalo Eurolink 10GB 30 days | 10GB | $25.00 | $2.50 | 100M4G | 31 countries | Get | |
Saily Global 10GB 30 days Worldwide 5G | 10GB | $29.00 | $2.90 | 200M5G | Global | Get | |
Saily Europe 3GB 30 days | 3GB | $9.99 | $3.33 | 100M4G/5G | 31 countries | Get | |
Ubigi Worldwide 3GB 30 days | 3GB | $17.00 | $5.67 | 100M4G | Global | Get |
eSIMs in United Kingdom — FAQ
- Is an eSIM cheaper than roaming in United Kingdom?
- Almost always. International roaming from your home carrier typically costs $5–$10 per day in United Kingdom. A local or regional eSIM brings that down to about $0.78 per GB — often a fraction of the roaming price for the same data.
- What's the cheapest eSIM for United Kingdom?
- Right now, Holafly's Unlimited Europe 15d at $0.78/GB is the best value in our United Kingdom index. See the full comparison below.
- Will my phone work with an eSIM in United Kingdom?
- Most iPhones from XS onwards and most Android flagships from 2019 onwards support eSIM. Check your device's settings — if you see 'Add eSIM' or 'Add Cellular Plan', you're good to go.
- How fast are eSIMs in United Kingdom?
- Top plans deliver up to 200 Mbps on 5G networks. Real-world speeds depend on the local partner network and your location.
- Can I use hotspot/tethering with an eSIM in United Kingdom?
- Some plans allow it, some don't. Use the Hotspot column in the comparison table below — a green check means tethering is allowed by the carrier's terms.