- Data
- 20 GB
- Validity
- 30 days
$32
- 5G
- Hotspot
Best eSIM for the UK in 2026
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Quick answer
The UK has four strong national networks, so an eSIM will work well almost anywhere you are likely to travel. A 5-10 GB plan covers most city breaks and longer trips with moderate use. Because the UK is outside the EU roaming area, a UK-specific plan or a regional plan that explicitly includes the UK is the safe choice.
Networks and coverage
The UK’s networks are EE, O2, Vodafone UK and Three. EE is often cited for the fastest and widest coverage, while all four are strong in cities. Travel eSIMs typically connect to one or more of them.
Coverage is excellent in London, Manchester, Birmingham and the other major cities, and along motorways and main rail lines. Rural Scotland, the Welsh mountains and parts of the southwest can have gaps, especially on smaller networks.
City and regional notes
- London - near-continuous coverage, including the Underground and Heathrow.
- Manchester, Birmingham and Liverpool - strong urban coverage.
- Edinburgh and Glasgow - reliable in the cities; the Highlands have gaps.
- Bristol and the southwest - good in towns, patchier in remote coastal areas.
- Rural Scotland and Wales - check coverage if you are driving or hiking off the beaten path.
What to check before you buy
- EU roaming. Many European plans exclude the UK, so confirm the covered-country list rather than assuming.
- Hotspot. Check tethering if you need it.
- Calls and SMS. Most UK travel eSIMs are data-only; keep your home SIM active for messages.
- Validity. A 30-day plan can be better value than a 7-day plan for longer stays.
Practical tips
Install your eSIM before departure and enable it at Heathrow, Gatwick or Manchester airport. Set the eSIM as the data line and leave your home SIM on for calls and verification codes. If you are continuing to mainland Europe, choose a regional plan that covers both the UK and the EU.
Top United Kingdom eSIM options
One representative plan per provider, chosen by lowest price per gigabyte. This is not a ranking; it reflects documented plan data.
HolaflyUnlimited- Data
- Unlimited
- Validity
- 7 days
$24.15
- 5G
- Hotspot
- Data
- 20 GB
- Validity
- 30 days
$33.60
- 5G
- Hotspot
- Data
- 20 GB
- Validity
- 30 days
$30.40
- 5G
- Hotspot
- Data
- 20 GB
- Validity
- 30 days
$35.20
- 5G
- Hotspot
- Data
- 20 GB
- Validity
- 30 days
$32
- 5G
- Data
- 20 GB
- Validity
- 30 days
$32
- 5G
- Data
- 20 GB
- Validity
- 30 days
$32
- 5G
- Data
- 20 GB
- Validity
- 30 days
$32
- 5G
- Data
- 20 GB
- Validity
- 30 days
$32
- 5G
- Data
- 20 GB
- Validity
- 30 days
$32
- 5G
United Kingdom eSIM comparison
| Provider | Data | Duration | Price | Network | 5G | Hotspot | Phone number | SMS | Activation | Last verified | Check price |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Airalo | 1 GB | 7 days | $4.50 | EE, O2, Vodafone UK, Three UK | Yes | Yes | No | No | Within 30 days | Check price | |
| Airalo | 3 GB | 15 days | $11 | EE, O2, Vodafone UK, Three UK | Yes | Yes | No | No | Within 30 days | Check price | |
| Airalo | 5 GB | 30 days | $16 | EE, O2, Vodafone UK, Three UK | Yes | Yes | No | No | Within 30 days | Check price | |
| Airalo | 10 GB | 30 days | $22 | EE, O2, Vodafone UK, Three UK | Yes | Yes | No | No | Within 30 days | Check price | |
| Airalo | 20 GB | 30 days | $32 | EE, O2, Vodafone UK, Three UK | Yes | Yes | No | No | Within 30 days | Check price | |
| Airalo | Unlimited | 30 days | $45 | EE, O2, Vodafone UK, Three UK | Yes | Yes | No | No | Within 30 days | Check price | |
| eSIM.DOG | 1 GB | 7 days | $4.50 | EE, O2, Vodafone UK, Three UK | Yes | No | No | No | Within 30 days | Check price | |
| eSIM.DOG | 3 GB | 15 days | $11 | EE, O2, Vodafone UK, Three UK | Yes | No | No | No | Within 30 days | Check price | |
| eSIM.DOG | 5 GB | 30 days | $16 | EE, O2, Vodafone UK, Three UK | Yes | No | No | No | Within 30 days | Check price | |
| eSIM.DOG | 10 GB | 30 days | $22 | EE, O2, Vodafone UK, Three UK | Yes | No | No | No | Within 30 days | Check price | |
| eSIM.DOG | 20 GB | 30 days | $32 | EE, O2, Vodafone UK, Three UK | Yes | No | No | No | Within 30 days | Check price | |
| eSIM.io | 1 GB | 7 days | $4.50 | EE, O2, Vodafone UK, Three UK | Yes | No | No | No | Within 30 days | Check price | |
| eSIM.io | 3 GB | 15 days | $11 | EE, O2, Vodafone UK, Three UK | Yes | No | No | No | Within 30 days | Check price | |
| eSIM.io | 5 GB | 30 days | $16 | EE, O2, Vodafone UK, Three UK | Yes | No | No | No | Within 30 days | Check price | |
| eSIM.io | 10 GB | 30 days | $22 | EE, O2, Vodafone UK, Three UK | Yes | No | No | No | Within 30 days | Check price | |
| eSIM.io | 20 GB | 30 days | $32 | EE, O2, Vodafone UK, Three UK | Yes | No | No | No | Within 30 days | Check price | |
| eSIM.io | Unlimited | 30 days | $45 | EE, O2, Vodafone UK, Three UK | Yes | No | No | No | Within 30 days | Check price | |
| Holafly | Unlimited | 7 days | $24.15 | EE, O2, Vodafone UK, Three UK | Yes | Yes | No | No | Within 30 days | Check price | |
| Holafly | Unlimited | 15 days | $37.95 | EE, O2, Vodafone UK, Three UK | Yes | Yes | No | No | Within 30 days | Check price | |
| Holafly | Unlimited | 30 days | $51.75 | EE, O2, Vodafone UK, Three UK | Yes | Yes | No | No | Within 30 days | Check price | |
| Holafly | Unlimited | 60 days | $85.10 | EE, O2, Vodafone UK, Three UK | Yes | Yes | No | No | Within 30 days | Check price | |
| Maya eSIM | 1 GB | 7 days | $4.50 | EE, O2, Vodafone UK, Three UK | Yes | No | No | No | Within 30 days | Check price | |
| Maya eSIM | 3 GB | 15 days | $11 | EE, O2, Vodafone UK, Three UK | Yes | No | No | No | Within 30 days | Check price | |
| Maya eSIM | 5 GB | 30 days | $16 | EE, O2, Vodafone UK, Three UK | Yes | No | No | No | Within 30 days | Check price | |
| Maya eSIM | 10 GB | 30 days | $22 | EE, O2, Vodafone UK, Three UK | Yes | No | No | No | Within 30 days | Check price | |
| Maya eSIM | 20 GB | 30 days | $32 | EE, O2, Vodafone UK, Three UK | Yes | No | No | No | Within 30 days | Check price | |
| Nomad | 1 GB | 7 days | $4.73 | EE, O2, Vodafone UK, Three UK | Yes | Yes | No | No | Within 30 days | Check price | |
| Nomad | 3 GB | 15 days | $11.55 | EE, O2, Vodafone UK, Three UK | Yes | Yes | No | No | Within 30 days | Check price | |
| Nomad | 5 GB | 30 days | $16.80 | EE, O2, Vodafone UK, Three UK | Yes | Yes | No | No | Within 30 days | Check price | |
| Nomad | 10 GB | 30 days | $23.10 | EE, O2, Vodafone UK, Three UK | Yes | Yes | No | No | Within 30 days | Check price | |
| Nomad | 20 GB | 30 days | $33.60 | EE, O2, Vodafone UK, Three UK | Yes | Yes | No | No | Within 30 days | Check price | |
| Nomad | Unlimited | 15 days | $34.65 | EE, O2, Vodafone UK, Three UK | Yes | Yes | No | No | Within 30 days | Check price | |
| Nomad | Unlimited | 30 days | $47.25 | EE, O2, Vodafone UK, Three UK | Yes | Yes | No | No | Within 30 days | Check price | |
| Roamic | 1 GB | 7 days | $4.50 | EE, O2, Vodafone UK, Three UK | Yes | No | No | No | Within 30 days | Check price | |
| Roamic | 3 GB | 15 days | $11 | EE, O2, Vodafone UK, Three UK | Yes | No | No | No | Within 30 days | Check price | |
| Roamic | 5 GB | 30 days | $16 | EE, O2, Vodafone UK, Three UK | Yes | No | No | No | Within 30 days | Check price | |
| Roamic | 10 GB | 30 days | $22 | EE, O2, Vodafone UK, Three UK | Yes | No | No | No | Within 30 days | Check price | |
| Roamic | 20 GB | 30 days | $32 | EE, O2, Vodafone UK, Three UK | Yes | No | No | No | Within 30 days | Check price | |
| Roamic | Unlimited | 30 days | $45 | EE, O2, Vodafone UK, Three UK | Yes | No | No | No | Within 30 days | Check price | |
| Saily | 1 GB | 7 days | $4.27 | EE, O2, Vodafone UK, Three UK | Yes | Yes | No | No | Within 30 days | Check price | |
| Saily | 3 GB | 15 days | $10.45 | EE, O2, Vodafone UK, Three UK | Yes | Yes | No | No | Within 30 days | Check price | |
| Saily | 5 GB | 30 days | $15.20 | EE, O2, Vodafone UK, Three UK | Yes | Yes | No | No | Within 30 days | Check price | |
| Saily | 10 GB | 30 days | $20.90 | EE, O2, Vodafone UK, Three UK | Yes | Yes | No | No | Within 30 days | Check price | |
| Saily | 20 GB | 30 days | $30.40 | EE, O2, Vodafone UK, Three UK | Yes | Yes | No | No | Within 30 days | Check price | |
| Smarty | 1 GB | 7 days | $4.50 | EE, O2, Vodafone UK, Three UK | Yes | No | No | No | Within 30 days | Check price | |
| Smarty | 3 GB | 15 days | $11 | EE, O2, Vodafone UK, Three UK | Yes | No | No | No | Within 30 days | Check price | |
| Smarty | 5 GB | 30 days | $16 | EE, O2, Vodafone UK, Three UK | Yes | No | No | No | Within 30 days | Check price | |
| Smarty | 10 GB | 30 days | $22 | EE, O2, Vodafone UK, Three UK | Yes | No | No | No | Within 30 days | Check price | |
| Smarty | 20 GB | 30 days | $32 | EE, O2, Vodafone UK, Three UK | Yes | No | No | No | Within 30 days | Check price | |
| Smarty | Unlimited | 30 days | $45 | EE, O2, Vodafone UK, Three UK | Yes | No | No | No | Within 30 days | Check price | |
| Ubigi | 3 GB | 15 days | $12.10 | EE, O2, Vodafone UK, Three UK | Yes | Yes | No | No | Within 30 days | Check price | |
| Ubigi | 5 GB | 30 days | $17.60 | EE, O2, Vodafone UK, Three UK | Yes | Yes | No | No | Within 30 days | Check price | |
| Ubigi | 10 GB | 30 days | $24.20 | EE, O2, Vodafone UK, Three UK | Yes | Yes | No | No | Within 30 days | Check price | |
| Ubigi | 20 GB | 30 days | $35.20 | EE, O2, Vodafone UK, Three UK | Yes | Yes | No | No | Within 30 days | Check price | |
| Yesim | 1 GB | 7 days | $4.50 | EE, O2, Vodafone UK, Three UK | Yes | No | No | No | Within 30 days | Check price | |
| Yesim | 3 GB | 15 days | $11 | EE, O2, Vodafone UK, Three UK | Yes | No | No | No | Within 30 days | Check price | |
| Yesim | 5 GB | 30 days | $16 | EE, O2, Vodafone UK, Three UK | Yes | No | No | No | Within 30 days | Check price | |
| Yesim | 10 GB | 30 days | $22 | EE, O2, Vodafone UK, Three UK | Yes | No | No | No | Within 30 days | Check price | |
| Yesim | 20 GB | 30 days | $32 | EE, O2, Vodafone UK, Three UK | Yes | No | No | No | Within 30 days | Check price | |
| Yesim | Unlimited | 30 days | $45 | EE, O2, Vodafone UK, Three UK | Yes | No | No | No | Within 30 days | Check price |
Prices are shown in the currency the provider lists. Always confirm the current price with the provider.
Compare all plans
Filter by provider, data, price and hotspot. Results update instantly.
- Data
- 1 GB
- Validity
- 7 days
$4.50
- 5G
- Hotspot
- Data
- 3 GB
- Validity
- 15 days
$11
- 5G
- Hotspot
- Data
- 5 GB
- Validity
- 30 days
$16
- 5G
- Hotspot
- Data
- 10 GB
- Validity
- 30 days
$22
- 5G
- Hotspot
- Data
- 20 GB
- Validity
- 30 days
$32
- 5G
- Hotspot
AiraloUnlimited- Data
- Unlimited
- Validity
- 30 days
$45
- 5G
- Hotspot
HolaflyUnlimited- Data
- Unlimited
- Validity
- 7 days
$24.15
- 5G
- Hotspot
HolaflyUnlimited- Data
- Unlimited
- Validity
- 15 days
$37.95
- 5G
- Hotspot
HolaflyUnlimited- Data
- Unlimited
- Validity
- 30 days
$51.75
- 5G
- Hotspot
HolaflyUnlimited- Data
- Unlimited
- Validity
- 60 days
$85.10
- 5G
- Hotspot
- Data
- 1 GB
- Validity
- 7 days
$4.73
- 5G
- Hotspot
- Data
- 3 GB
- Validity
- 15 days
$11.55
- 5G
- Hotspot
- Data
- 5 GB
- Validity
- 30 days
$16.80
- 5G
- Hotspot
- Data
- 10 GB
- Validity
- 30 days
$23.10
- 5G
- Hotspot
- Data
- 20 GB
- Validity
- 30 days
$33.60
- 5G
- Hotspot
NomadUnlimited- Data
- Unlimited
- Validity
- 15 days
$34.65
- 5G
- Hotspot
NomadUnlimited- Data
- Unlimited
- Validity
- 30 days
$47.25
- 5G
- Hotspot
- Data
- 1 GB
- Validity
- 7 days
$4.27
- 5G
- Hotspot
- Data
- 3 GB
- Validity
- 15 days
$10.45
- 5G
- Hotspot
- Data
- 5 GB
- Validity
- 30 days
$15.20
- 5G
- Hotspot
- Data
- 10 GB
- Validity
- 30 days
$20.90
- 5G
- Hotspot
- Data
- 20 GB
- Validity
- 30 days
$30.40
- 5G
- Hotspot
- Data
- 3 GB
- Validity
- 15 days
$12.10
- 5G
- Hotspot
- Data
- 5 GB
- Validity
- 30 days
$17.60
- 5G
- Hotspot
- Data
- 10 GB
- Validity
- 30 days
$24.20
- 5G
- Hotspot
- Data
- 20 GB
- Validity
- 30 days
$35.20
- 5G
- Hotspot
- Data
- 1 GB
- Validity
- 7 days
$4.50
- 5G
- Data
- 3 GB
- Validity
- 15 days
$11
- 5G
- Data
- 5 GB
- Validity
- 30 days
$16
- 5G
- Data
- 10 GB
- Validity
- 30 days
$22
- 5G
- Data
- 20 GB
- Validity
- 30 days
$32
- 5G
YesimUnlimited- Data
- Unlimited
- Validity
- 30 days
$45
- 5G
- Data
- 1 GB
- Validity
- 7 days
$4.50
- 5G
- Data
- 3 GB
- Validity
- 15 days
$11
- 5G
- Data
- 5 GB
- Validity
- 30 days
$16
- 5G
- Data
- 10 GB
- Validity
- 30 days
$22
- 5G
- Data
- 20 GB
- Validity
- 30 days
$32
- 5G
RoamicUnlimited- Data
- Unlimited
- Validity
- 30 days
$45
- 5G
- Data
- 1 GB
- Validity
- 7 days
$4.50
- 5G
- Data
- 3 GB
- Validity
- 15 days
$11
- 5G
- Data
- 5 GB
- Validity
- 30 days
$16
- 5G
- Data
- 10 GB
- Validity
- 30 days
$22
- 5G
- Data
- 20 GB
- Validity
- 30 days
$32
- 5G
- Data
- 1 GB
- Validity
- 7 days
$4.50
- 5G
- Data
- 3 GB
- Validity
- 15 days
$11
- 5G
- Data
- 5 GB
- Validity
- 30 days
$16
- 5G
- Data
- 10 GB
- Validity
- 30 days
$22
- 5G
- Data
- 20 GB
- Validity
- 30 days
$32
- 5G
eSIM.ioUnlimited- Data
- Unlimited
- Validity
- 30 days
$45
- 5G
- Data
- 1 GB
- Validity
- 7 days
$4.50
- 5G
- Data
- 3 GB
- Validity
- 15 days
$11
- 5G
- Data
- 5 GB
- Validity
- 30 days
$16
- 5G
- Data
- 10 GB
- Validity
- 30 days
$22
- 5G
- Data
- 20 GB
- Validity
- 30 days
$32
- 5G
- Data
- 1 GB
- Validity
- 7 days
$4.50
- 5G
- Data
- 3 GB
- Validity
- 15 days
$11
- 5G
- Data
- 5 GB
- Validity
- 30 days
$16
- 5G
- Data
- 10 GB
- Validity
- 30 days
$22
- 5G
- Data
- 20 GB
- Validity
- 30 days
$32
- 5G
SmartyUnlimited- Data
- Unlimited
- Validity
- 30 days
$45
- 5G
Best eSIM for United Kingdom by trip type
These categories are based on documented plan attributes, not subjective scores. Verify the details before buying.
Best cheap eSIM for United Kingdom
The lowest-priced plan in our dataset for travellers who only need a little data.
- Data
- 1 GB
- Validity
- 7 days
$4.27
- 5G
- Hotspot
Best eSIM for short trips to United Kingdom
A short validity window and a modest allowance keeps the cost down for a brief visit.
- Data
- 3 GB
- Validity
- 15 days
$10.45
- 5G
- Hotspot
Best eSIM for longer stays in United Kingdom
Look for a plan with at least 30 days of validity and a larger allowance.
- Data
- 10 GB
- Validity
- 30 days
$20.90
- 5G
- Hotspot
Best eSIM for heavy data use in United Kingdom
For streaming and tethering, a larger fixed plan or an unlimited package usually works out better per gigabyte.
- Data
- 20 GB
- Validity
- 30 days
$30.40
- 5G
- Hotspot
Best unlimited eSIM for United Kingdom
Unlimited plans trade metering for a flat rate, subject to fair-use policies.
AiraloUnlimited- Data
- Unlimited
- Validity
- 30 days
$45
- 5G
- Hotspot
Best eSIM for hotspot users in United Kingdom
These plans list tethering as supported, which matters if you are sharing data with a laptop.
- Data
- 20 GB
- Validity
- 30 days
$30.40
- 5G
- Hotspot
United Kingdom connectivity overview
Mobile networks listed for United Kingdom: EE, O2, Vodafone UK, Three UK. Coverage and speeds vary by operator and region, and the network your eSIM uses depends on the provider.
How to install an eSIM for United Kingdom
- Install the eSIM while you have Wi-Fi, before you travel.
- Set the travel eSIM as your line for mobile data.
- Keep your home SIM active for calls and verification codes.
- Switch the eSIM on when you arrive in United Kingdom so the plan's validity starts when you can use it.
United Kingdom eSIM FAQ
Do European eSIM plans cover the UK?
Not always. Since the UK left the EU roaming area, many European regional plans exclude it. Check the covered-country list.
Which networks do UK eSIMs use?
Travel eSIMs in the UK typically use EE, O2, Vodafone UK or Three. The network depends on the provider and plan.
Does an eSIM work in Scotland and rural Wales?
Coverage is generally good in towns and along main routes, but some remote rural areas have gaps on certain networks.
Destinations
Related guides
- SetupHow to Install an eSIMA step-by-step walkthrough of installing a travel eSIM by QR code or manually, plus how to switch it on when you arrive.
- DevicesHow to Use an eSIM on iPhoneHow eSIM works on iPhone, which models support it, and how to add, label and manage travel eSIMs in Settings.
- DevicesHow to Use an eSIM on AndroidA device-agnostic Android eSIM guide covering compatibility checks, QR installation and dual-SIM data settings.
- BasicseSIM vs Physical SIMThe practical differences between eSIM and a physical travel SIM, including activation, cost, flexibility and device support.
- BasicsHow Does an eSIM Work?What an eSIM actually is, how it connects to local networks when you travel, and why it can avoid roaming charges.
Ready to compare prices?
Plan details and prices change. Check the provider's current listing for your dates and data needs.