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UK travel eSIM

Best United Kingdom eSIM for Travel in 2026

Choose prepaid mobile data for your UK visit, from a London weekend to a longer journey with overnight stops. Compare the plans below if your home roaming allowance does not cover the trip or you want a separate budget for travel data.

We provide mobile data, not a UK phone number, standard voice calls or carrier SMS. This is a travel-data service for a compatible, unlocked phone, rather than a domestic mobile contract.

View Supported Networks for United Kingdom eSIM
Hutchison 3GUK Limited5G
Telefonica UK Limited5G
Vodafone Ltd5G
★ 4.4/5 • Customer rating on Trustpilot
View UK Data PlansInstallation and Arrival
Prepaid travel allowanceNo physical SIM to collectCheck phone compatibilityKeep your WhatsApp number
UK data plans

Select Data for the Length of Your Visit

Check the package’s displayed validity as well as its gigabytes. Include the final transfer to the airport if you will still need mobile data that day.

7 days

1 GB € 2.23

15 days

2 GB € 3.13

30 days

3 GB € 4.47 5 GB € 6.26 Most Popular 10 GB € 11.17 20 GB € 19.22 50 GB € 42.46
Important! 1GB of full high-speed data where available per 24 hours. Thereafter your data speed will be reduced and will reset on the next 24h period.

1 day

Unlimited € 2.68

3 days

Unlimited € 5.81

5 days

Unlimited € 9.39

7 days

Most Popular Unlimited € 12.51

10 days

Unlimited € 17.43

15 days

Unlimited € 25.92

30 days

Unlimited € 50.50

Fixed plans give you a total allowance over the stated validity. Use recent phone consumption to estimate maps, messages and other travel apps, then account for any streaming or permitted hotspot use separately.

Plan your UK allowance with the travel data calculator →

The Unlimited options provide 1 GB of high-speed data per 24-hour period, followed by reduced speeds until the next reset. Actual speeds depend on local coverage and network conditions. Compare that daily allowance with the work you expect to do; Unlimited does not mean unrestricted high-speed downloads.

Before choosing another plan

Check What Your Home Service Already Includes

Ask your home operator about the United Kingdom specifically. A plan described as including European roaming is not enough information on its own: confirm the destination list, usable allowance and any travel-pass charges.

If the included service already fits your visit, you may not need extra data. A separate UK travel eSIM becomes useful when you need another allowance or prefer to keep travel consumption separate from your home-data budget.

Your requirementWhat to compare
Maps, booking access and internet messagingA travel-data eSIM against any usable home roaming allowance.
A UK number or conventional calls and SMSA number-based service with those features explicitly included.
Data for a laptop or companionsHotspot permission, combined consumption and any sharing limits.

Do not buy a data-only eSIM expecting it to provide a British number for verification texts. If you keep your home SIM enabled for calls or SMS, those services retain your home operator’s terms and charges.

UK travel tasks

Prepare the Journey Beyond Airport Wi-Fi

Finding the first address

Keep your arrival airport, booked transfer and accommodation address accessible without signing back into a booking app. Confirm the pickup point from your provider’s instructions, not from a cached map alone.

Public transport and city stops

Save required tickets in the format accepted by the operator. Use a working connection for current service information; a screenshot is a fallback, not confirmation of a departure or disruption.

Longer journeys

Download the relevant map areas before leaving Wi-Fi and retain the next overnight contact separately. Reception can change between towns, rural stretches and the inside of a train or building.

The supported-network list currently displays Hutchison 3GUK Limited, Telefonica UK Limited and Vodafone Ltd with 5G labels. Check the access details for your selected package. Listed networks do not establish that every plan can register on all of them, or that 5G is available wherever you travel.

For an important call through an internet app, test the actual location beforehand. If sharing data with a laptop, confirm hotspot permission and pause large background downloads so they do not consume the allowance needed for the journey.

eSIM installation process showing QR code scan and activation on smartphone
Phone preparation

Install the Profile, Then Check Your Data Line

  1. Confirm the exact phone model supports eSIM and is unlocked. Use the compatibility check rather than relying only on the phone’s brand.
  2. Read the selected package’s instructions for its validity-start condition. Install with a stable internet connection using the supplied installation details; do not assume installation and activation are the same event.
  3. When using the package in the UK, enable the travel profile and select it for mobile data. Enable Data Roaming for that line as instructed. Turn off home-line data roaming and automatic data switching if you do not want a home-data fallback.
  4. With Wi-Fi off, load a fresh page to test mobile data. If it does not load, check the profile, chosen line, allowance and validity before making further changes. Keep the installed eSIM unless support asks you to remove it.

The NoveSIM installation overview explains the process. Keep the purchase and installation details available until you have checked the intended data line.

Check destination inclusion

UK, Ireland and Island Stops Are Not Interchangeable

For travel involving Northern Ireland, the Republic of Ireland, Jersey, Guernsey or the Isle of Man, verify the selected package’s destination coverage before purchase. Do not infer inclusion from proximity, a route name or a general Europe label.

If your itinerary includes both the UK and the Republic of Ireland, compare a package explicitly covering both or suitable separate plans. The links below are options to explore, not an extension of the UK package you have selected.

Ireland eSIM

Ireland

France eSIM

France

Spain eSIM

Spain

Germany eSIM

Germany

See all destinations →
travel internet guides

Related United Kingdom Travel Internet Guides

See more travel guides →
FAQ

UK Travel eSIM Questions

Does this service provide a UK telephone number?
We provide mobile data, not a UK phone number, standard voice calls or carrier SMS. Internet apps can use the data connection; number-based services must be arranged separately.
Should I buy a UK eSIM if my home plan includes Europe?
First confirm that the home plan includes the UK and sufficient usable data, then check any fair-use or additional charges. You may not need another allowance if those terms suit the visit.
How much high-speed data do the Unlimited options include?
They provide 1 GB of high-speed data per 24-hour period, followed by reduced speeds until the next reset. Actual speeds depend on local coverage and network conditions. Review the current conditions before selecting a package.
Can I use the eSIM for a laptop connection?
Check that your selected package and phone permit hotspot use. Count laptop traffic separately, including updates and synchronisation, when choosing the allowance.
Does the UK package also cover Ireland or the Channel Islands?
Check the exact package’s destination list. Do not assume inclusion of the Republic of Ireland, Jersey or Guernsey; verify any Isle of Man or Northern Ireland stop with the package’s coverage details too.
When should I install it, and when does validity begin?
Follow the purchased package’s instructions while you have a stable internet connection. Establish its validity-start condition before installation; purchase, installation and first data use should not be treated as identical actions.
Help centre

Help with Installation and Mobile Data

How to Install eSIM on iPhone

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How to Install eSIM on Android

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How to Check If My Phone Supports eSIM

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Should Data Roaming Be On for eSIM?

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No Internet After Landing - What to Do

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Where Can I Find My eSIM After Purchase?

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See more help articles →
Choose your travel data

Find a UK Plan That Fits the Visit

Check your existing roaming service, confirm the destinations and decide how much extra data you need. Then choose the displayed package with suitable validity and prepare the first transfer before departure.

Compare UK eSIM Plans
Traveler using smartphone with global eSIM connection while traveling abroad
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