eSIMGuide - Compare Travel eSIM Plans

Updated Sep 2026

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Compare eSIMs for United Kingdom 2026

Compare 8,740 plans from 49 providers

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Which mobile networks you get in United Kingdom

3 is the clearest common thread in the United Kingdom’s eSIM listings: it is named by nearly all providers. Vodafone UK, O2 UK and T-Mobile UK also recur widely, while Orange, Sure Mobile, Virgin Mobile, BT and Truphone make the list unusually broad. That breadth needs a little caution: brands can sit under the same corporate umbrella, from Hutchison 3G UK Ltd and Telefónica Europe to EE, Virgin Media and BT Group, so nine names do not mean nine wholly separate choices. The profiles list 5G as their ceiling, not a trip-long expectation.

  • 3Best stated technology: 5G

    Operated by Hutchison 3G UK Ltd

    30 of 32 providers

    Bloomy eSIM, Roamix, AbestESIM, YonoSIM, and eSIMnow +25 more

  • O2 UKBest stated technology: 5G

    Operated by Telefónica Europe

    28 of 32 providers

    Bloomy eSIM, RedEx eSIM, Roamix, AbestESIM, and YonoSIM +23 more

  • T-Mobile UKBest stated technology: 5G

    Operated by EE

    28 of 32 providers

    RedEx eSIM, Bloomy eSIM, AbestESIM, MicroESIM, and iroamly +23 more

  • Vodafone UKBest stated technology: 5G

    Operated by Vodafone

    24 of 32 providers

    Bloomy eSIM, RedEx eSIM, AbestESIM, MicroESIM, and Roamix +19 more
Show 5 more networks

  • Sure MobileBest stated technology: 5G

    Operated by Sure Isle of Man Ltd.

    3 of 32 providers

    RedEx eSIM, MicroESIM, and AbestESIM

  • OrangeBest stated technology: 5G

    Operated by EE

    3 of 32 providers

    iroamly, RedteaGo, and eSimCard

  • Virgin MobileBest stated technology: 5G

    Operated by Virgin Media

    3 of 32 providers

    RedteaGo, JamboSIM, and Simsima

  • BTBest stated technology: 5G

    Operated by BT Group

    1 of 32 providers

    RedteaGo

  • TruphoneBest stated technology: 5G

    1 of 32 providers

    RedteaGo

Where your data comes out in United Kingdom

Breakout is split: three providers use gateways in the UK, while one routes through France and two through the United States. The French hop is about 343 km and typically adds around 25 ms to a round trip, whereas the US route is roughly 5,917 km and about 106 ms; this adds delay, not a cap on download speed. More importantly, your IP appears in the breakout country, so a UK banking app may reject a foreign address. For banking access, choose a plan with a UK breakout.

Where each provider breaks out, nearest first. Estimated from distance, not measured.

180 ms
  • AbestESIMAbestESIMFlag of France~25 ms
  • Mega eSIMMega eSIMFlag of Belgium~25 ms
  • RedEx eSIMRedEx eSIMFlag of United Kingdom~38 ms
  • Bloomy eSIMBloomy eSIMFlag of United States of America~106 ms
  • RoamixRoamixFlag of United States of America~106 ms
  • GigSkyGigSkyFlag of United States of America~106 ms

United Kingdom eSIM prices, month by month

Data has been getting cheaper in United Kingdom: a gigabyte typically goes for $0.73 now, against $1.08 when we started tracking it in December 2025, a fall of 32% across 10 months.

That is 55% below the $1.61 a gigabyte typically costs across the 229 destinations we track — only 12 of them come in lower, which puts United Kingdom among the cheapest places in the world to buy mobile data as a visitor. Competition is most of the story. We now compare 8,740 plans for United Kingdom from 49 providers, against 1,824 in December 2025.

Every figure here is the lower quartile of the plans in our catalogue that month — the cheaper end of what was actually on sale, rather than an average pulled up by a handful of premium plans.

  • United Kingdom$0.73
  • All destinations$1.61
Typical per GB
$0.73down 32% since Dec 2025
Typical per day
$0.73up 14% since Dec 2025
Plans compared
8,740up 6,916 since Dec 2025
Providers
49up 26 since Dec 2025

Change measured since December 2025, our first monthly snapshot.

Show all 10 months
September 2026$0.73up 7% on the previous monthTypical per GB$0.73up 40% on the previous monthTypical per day8,740up 112% on the previous monthPlans49up 21 on the previous monthProviders
August 2026$0.68down 6% on the previous monthTypical per GB$0.52down 9% on the previous monthTypical per day4,122up 15% on the previous monthPlans28up 4 on the previous monthProviders
July 2026$0.72up 7% on the previous monthTypical per GB$0.57up 8% on the previous monthTypical per day3,579down 1% on the previous monthPlans24down 1 on the previous monthProviders
June 2026$0.67down 4% on the previous monthTypical per GB$0.53down 7% on the previous monthTypical per day3,620up 6% on the previous monthPlans25Providers
May 2026$0.70down 3% on the previous monthTypical per GB$0.57down 2% on the previous monthTypical per day3,419up 2% on the previous monthPlans25up 1 on the previous monthProviders
April 2026$0.72down 8% on the previous monthTypical per GB$0.58up 4% on the previous monthTypical per day3,362up 26% on the previous monthPlans24up 1 on the previous monthProviders
March 2026$0.78up 28% on the previous monthTypical per GB$0.56down 3% on the previous monthTypical per day2,660down 51% on the previous monthPlans23Providers
February 2026$0.61down 39% on the previous monthTypical per GB$0.58up 2% on the previous monthTypical per day5,383up 214% on the previous monthPlans23Providers
January 2026$1.00down 7% on the previous monthTypical per GB$0.57down 11% on the previous monthTypical per day1,716down 6% on the previous monthPlans23Providers
December 2025$1.08Typical per GB$0.64Typical per day1,824Plans23Providers

Frequently Asked Questions about eSIMs for United Kingdom

How many travel eSIM brands (providers) are available for use in United Kingdom, and how many prepaid data plans are there?

The networks named behind UK travel eSIM offers include 3, O2 UK, T-Mobile UK and Vodafone UK. RedEx eSIM, Bloomy eSIM, AbestESIM, Roamix, MicroESIM and AirHub have deep catalogues here, but that says little about which plan suits a particular trip. The choice is less about finding a seller and more about checking how much data a plan includes, how long it remains valid and what happens when the allowance runs out. A recognisable brand name alone does not settle those details.

What are the mobile networks available for a travel eSIM in United Kingdom?

3, T-Mobile UK, O2 UK and Vodafone UK appear in providers’ published network lists. That gives travel eSIM buyers a genuine choice of operator, but it is usually decided by the provider rather than selected on the phone after purchase. The eSIM you choose therefore influences which network is available to you, and the provider’s stated list makes that arrangement knowable in advance. These listings describe what providers have disclosed, not a guarantee of connection in every location or on every handset.

Are there any free data eSIM plans available for United Kingdom?

At present, the UK has a zero-cost data eSIM option, but it is a small trial allowance rather than a realistic travel plan. Access is usually conditional on registering with the provider, and it may be limited to one use per customer. That makes it useful for getting online briefly after arrival or checking basic service, not for relying on throughout a visit. The UK market is broad, so this sits alongside a large choice of paid eSIM plans.

Are there any unlimited data eSIM plans available for United Kingdom?

Most major travel eSIM providers offer plans labelled unlimited for the UK, so this is not a niche option. The catch is that “unlimited” means ongoing access, not unrestricted speed: after the plan’s fast-data allowance is used, service is slowed, sometimes for the rest of that day and sometimes until the plan ends. Allowances, reset patterns and reduced speeds vary, so compare those details rather than treating the label as a like-for-like promise.

Destinations near United Kingdom

Crossing a border from United Kingdom? Compare eSIMs for the countries around it.

Regional eSIMs that cover United Kingdom: Europe

eSIM Providers for United Kingdom

3 and Vodafone UK feature prominently in the network mix stated by eSIM sellers, with O2 UK and T-Mobile UK also represented. That gives travellers a genuine choice: an eSIM listing more than one operator can use another stated network if one is weaker at a particular stop, rather than leaving the trip dependent on one network. For rural routes, check the listed operators against your destinations before choosing a plan.

43 providers sell eSIMs for United Kingdom. Open one for its prices, its full plan list and the networks it puts you on here.