Yesim TeamThe United Kingdom left the European Union in 2021, and mobile roaming was one of the clearest casualties for travellers. EU roaming in UK no longer works the way it did before Brexit, meaning the regulations that capped roaming costs across EU member states no longer protect visitors using European SIM cards in Britain, and no longer protect UK residents using British SIM cards across Europe.
This guide covers roaming in the UK from both directions: what international visitors need to know about getting data in Britain, what specific carriers charge, whether you need data roaming on or off in the UK, and what the cheaper alternatives are.
Do you need data roaming in the UK?
The answer depends on where your SIM card is from and where you are.
- If you have a UK SIM card and you are currently in the UK: You do not need data roaming. Data roaming is a setting that applies when your phone connects to a network outside your home carrier’s country. Within the UK, your UK SIM connects to its home network normally, no roaming involved. Turn data roaming off if you want to avoid accidentally connecting to a foreign network near a border, but in most UK locations it makes no practical difference.
- If you want data roaming on or off in the UK: If you are a UK resident who has just returned from abroad, turning data roaming off prevents your phone from accidentally using a roaming connection when your home carrier signal is temporarily weak. In practice, modern phones handle this automatically. There is no benefit to keeping data roaming on if you are in the UK with a UK SIM.
- If you have a non-UK SIM and you are in the UK: You do need data roaming enabled on your SIM line to connect to UK networks. This applies to EU SIMs, US SIMs, Indian SIMs, and any other non-UK mobile plan. Go to Settings → Cellular → [your SIM line] → Data Roaming → On. This answers the question “do I need data roaming on in UK” for non-UK SIM users: yes.
EU roaming in the UK after Brexit
Before Brexit, EU roaming rules meant that EU/EEA residents could use their home mobile plan in the UK at domestic rates, no extra charges, same data allowance. That arrangement ended on 1 January 2021 when the UK left the EU single market.
Since then, EU SIM cards are treated as international visitors in the UK. The EU “Roam Like at Home” regulation does not apply in the UK. French, German, Italian, Spanish, and all other EU network users in the UK are subject to whatever international roaming terms their carrier has set for the UK specifically.
What this means practically:
- Most EU carriers classify the UK as a separate roaming zone outside the EU/EEA.
- Some carriers have re-introduced UK roaming at EU rates voluntarily (check your specific carrier’s current UK policy).
- Others charge standard international rates, which can be significantly higher.
- UK residents travelling to Europe face the equivalent situation, British carriers removed free EU roaming from most plans after Brexit, though some have reintroduced it for certain tariffs.
The UK situation is genuinely carrier-specific. Check your carrier’s current UK policy before assuming you are covered.
Vodafone UK roaming
Vodafone UK roaming is one of the most searched roaming topics in Britain, because Vodafone UK’s roaming policy has changed significantly since Brexit, and many customers are unsure what is currently covered.
- Vodafone UK roaming charges for customers travelling abroad: Vodafone UK removed free EU roaming from most plans after Brexit. Vodafone roaming UK customers now pay a daily “Roam Boost” or “Travel Pass” charge depending on their destination zone. Rates and zones vary by Vodafone UK tariff, check the current Vodafone UK roaming charges at vodafone.co.uk before travelling.
- For international visitors using Vodafone in the UK: If you are a Vodafone customer from another country (Vodafone Germany, Vodafone Spain, Vodafone Italy, etc.) visiting the UK, your Vodafone home carrier determines what you pay to roam on Vodafone UK’s network. Contact your home Vodafone market for UK-specific roaming rates, as pricing varies by country.
Lebara UK roaming
Lebara UK is a popular choice for international residents in Britain, particularly for people with family in South Asia, the Middle East, and Africa, due to its cheap international call rates. Lebara UK roaming countries list and coverage is a common query from Lebara customers who want to know what is covered when they travel.
Lebara UK roaming countries list: Lebara UK publishes its full roaming countries list at lebara.co.uk. The list and rates update periodically. Lebara UK roaming charges and which countries are included at EU rates versus higher international rates depends on your specific Lebara plan.
Jio international roaming in the UK
Jio international roaming UK is one of the highest-searched carrier-specific UK roaming queries, reflecting the large Indian diaspora in Britain and the number of people arriving from India with Jio SIMs.
Does Jio work in the UK? Yes. Jio has international roaming agreements with UK networks. Jio customers can use their SIM card in the UK for calls, SMS, and data, subject to Jio’s international roaming rates and packs.
Jio UK roaming rates: Jio offers international roaming packs for UK travel purchasable through the MyJio app or Jio website before departure. Standard daily data roaming charges apply if no pack is active. Check current Jio international roaming UK pricing on jio.com before your trip.
Best alternative for Jio users visiting the UK: A travel eSIM from Yesim installed alongside your Jio SIM gives you UK data at local network rates without international roaming charges. See what is eSIM for how the technology works. Your Jio SIM stays active in the phone for calls and SMS; the eSIM handles all UK data independently.
TIM roaming UK
TIM roaming UK is searched primarily by Italian visitors to Britain using Italy’s largest carrier. Since Brexit, TIM Italy classifies the UK outside the EU roaming zone in most tariff structures.
TIM UK roaming situation: Most TIM Italy plans that include free EU roaming do not extend to the UK post-Brexit. TIM customers visiting the UK should check their specific plan on tim.it for current UK rates or activate a TIM international roaming pack before departure.
iliad roaming UK
iliad roaming UK is relevant for French and Italian iliad subscribers visiting Britain. iliad France’s “Free” unlimited plans have historically included a UK roaming allowance, though the terms have changed since Brexit, verify current UK roaming inclusion on free.fr before travelling.
WindTre roaming UK
WindTre roaming UK applies to WindTre Italy subscribers visiting Britain. WindTre classifies the UK as outside the EU roaming zone. WindTre international roaming packs for UK travel are purchasable through the WindTre app. Check wind3.it for current UK roaming rates and available packs.
Three Ireland data roaming UK
Three Ireland and Three UK are separate companies under the same CK Hutchison parent, but they operate independently. Three Ireland data roaming in UK applies standard international rates for Three Ireland customers visiting Britain, the two networks do not share roaming agreements that benefit customers of one on the other’s network at domestic rates.
Three Ireland customers visiting the UK should check three.ie for their current UK roaming rates. Alternatively, a UK eSIM from Yesim provides local UK data rates without any roaming charge from Three Ireland.
O2 UK roaming data
O2 UK roaming data for customers travelling abroad follows O2’s “Travel” add-on system. O2 removed free EU roaming from most plans after Brexit. O2 now charges a daily add-on fee for roaming in most European countries.
For international visitors with O2 plans from other countries (O2 Germany, O2 Spain): Contact your home O2 carrier for UK-specific roaming rates, as pricing varies by market.
Data roaming in the UK: what international visitors pay
For visitors arriving in the UK with a non-UK SIM card, roaming data costs depend entirely on their home carrier’s UK policy. Broadly:
- EU carrier users visiting the UK: Most EU carriers now charge extra for UK data, either a daily add-on or per-MB charges. Some carriers (check yours specifically) have reintroduced UK at EU rates voluntarily. Expect to pay between €1–€5 per day for a data pack, or significantly more at standard rates.
- US carrier users visiting the UK (AT&T, Verizon, T-Mobile): AT&T International Day Pass covers the UK at $12/day. Verizon TravelPass covers UK at $12/day. T-Mobile Magician plan includes 2G data in the UK at no extra cost; full-speed data is $5/day via the International Day Pass.
- Indian carrier users (Jio, Airtel, Vi): International roaming packs for the UK are available from all major Indian carriers. Without a pack, standard rates are very high per MB. Activate a pack through your carrier app before boarding.
- Data roaming packages UK: Most carriers offer pre-purchased data roaming packages for the UK that are significantly cheaper than standard per-MB rates. Always activate a pack before crossing into the UK, post-arrival activation works but you may be charged at standard rates for any data used before the pack activates.
The best alternatives to roaming in the UK
Carrier roaming for UK data is almost never the cheapest option. The three main alternatives:
- Travel eSIM for UK. Buy a UK eSIM plan from a provider like Yesim before departure. Scan the QR code at home, install the eSIM profile, and your phone connects to EE, Vodafone UK, or O2 automatically when you land. Your home SIM stays active in the phone, your regular number remains live for calls, texts, and messaging apps. All mobile data in the UK runs through the eSIM at local network rates. This is the most practical option for visits of 1 day to 30 days. No store visit, no passport required, no replacing your home SIM. Check Yesim’s UK plans.
- Local UK SIM card. Available at UK airports, supermarkets (Tesco Mobile, Asda Mobile), and carrier stores (EE, O2, Vodafone, Three). A local UK prepaid SIM with 5–10 GB starts from around £5–£10. Cheaper per GB than roaming for stays over a week, but requires replacing your home SIM and losing access to your regular number while in the UK.
- Wi-Fi only. Free Wi-Fi is available across UK airports, most hotels, and many cafés. London Underground (TfL) has Wi-Fi at all Underground stations. For visitors with minimal data needs, Wi-Fi-only works in cities, impractical for travel outside urban areas.
| Option | Setup | Cost (7 days, 5 GB) | Home number active |
|---|---|---|---|
| Carrier roaming day pass | Automatic | £25–£60 | Yes |
| Travel eSIM (Yesim) | QR scan before departure | From ~£8–£15 | Yes |
| Local UK SIM (EE, O2, Three) | Airport or store on arrival | From ~£5–£10 | No |
| Wi-Fi only | No setup | Free | Yes |
How much does roaming in the UK cost, and is a travel eSIM cheaper?
Short answer: yes, significantly cheaper for most travellers. Here are the actual numbers broken down by carrier.
US carriers visiting the UK
AT&T International Day Pass: $12/day Covers one 24-hour period of unlimited talk, text, and high-speed data drawn from your domestic plan allowance. Only charged on days you actually use the phone in the UK.
- 7-day UK trip: $84 total
- 14-day UK trip: $168 total
Verizon TravelPass: $12/day Same daily structure as AT&T. Includes unlimited talk and text plus 2 GB of high-speed data per day (throttled after 2 GB). Only charged on days the phone is used.
- 7-day UK trip: $84 total
- 14-day UK trip: $168 total
T-Mobile International Day Pass: $5/day Available on most T-Mobile postpaid plans. Full-speed data on days activated. On Magician, Magnum, and Go5G Next plans, unlimited 2G data in the UK is included free, enough for WhatsApp and basic maps, not for streaming or navigation.
- 7-day UK trip at full speed: $35 total
- 14-day UK trip: $70 total
- With 2G-only free inclusion: $0 total (Magician plan and above)
UK carriers roaming into Europe (for UK residents travelling out)
EE: Daily Europe roaming fee on most post-2021 plans. Approximately £2–£8/day depending on your tariff, check the EE app for your plan’s exact rate before departing.
- Vodafone UK: “Roam Boost” charges apply. Approximately £2–£3/day on selected plans; pay-as-you-go rates of £6+/day on older tariffs. Verify at vodafone.co.uk.
- O2 UK: O2 Travel bolt-on approximately £4.99/day in Europe. Standard out-of-bundle data rates apply without the bolt-on and are significantly higher.
- Three UK: “Go Roam” covers select destinations at no extra daily charge on eligible plans, one of the better post-Brexit options for UK residents. Check three.co.uk for your plan’s current Go Roam list.
- Lebara UK: Rates vary by destination and plan. Check the current Lebara UK roaming countries list and per-day costs at lebara.co.uk before travelling.
EU carriers visiting the UK
Most EU carriers classify the UK as outside the EU roaming zone since Brexit. Typical costs:
- Orange (France/Spain/other markets): UK day passes approximately €4–€7/day depending on the country market. Standard per-MB rates without a pack are very expensive.
- TIM (Italy): UK roaming packs from approximately €4–€6/day. Check tim.it for current plans before departure.
- iliad France: iliad has historically included some UK data within its flagship unlimited plan, verify current UK inclusion at free.fr as terms have changed since Brexit.
- iliad Italy / WindTre: UK classified as international roaming. WindTre packs approximately €3–€5/day through the app.
- Movistar (Spain): UK day passes approximately €3–€6/day depending on the tariff. Check movistar.es before travelling.
Indian carriers visiting the UK
- Jio international roaming UK: Jio packs purchasable through the MyJio app before departure. Typical pack costs approximately ₹1,499–₹2,999 for 1–2 GB valid 30 days. Without a pack, standard international rates apply and are very expensive per MB.
- Airtel and Vi: Similar roaming pack structures to Jio. Always activate through the app before boarding.
Yesim UK eSIM: the comparison
| Plan | Duration | Price | Per day |
|---|---|---|---|
| Unlimited | 7 days | ~$22 | ~$3.14/day |
| Unlimited | 15 days | ~$36 | ~$2.40/day |
| Unlimited | 30 days | ~$54 | ~$1.80/day |
| Prepaid 5 GB | 30 days | ~$10 | per GB |
| Prepaid 10 GB | 30 days | ~$17 | per GB |
The savings calculation
7-day UK trip, full-speed data, vs Yesim 7-day unlimited (~$22):
| Carrier option | 7-day cost | Saving vs Yesim |
|---|---|---|
| AT&T Day Pass | $84 | save $62 |
| Verizon TravelPass | $84 | save $62 |
| T-Mobile Day Pass | $35 | save $13 |
| EU carrier day pass (~€5/day) | ~€35 | save ~€20 |
| TIM/WindTre Italy pack (~€5/day) | ~€35 | save ~€20 |
14-day UK trip, full-speed data, vs Yesim 15-day unlimited (~$36):
| Carrier option | 14-day cost | Saving vs Yesim |
|---|---|---|
| AT&T Day Pass | $168 | save $132 |
| Verizon TravelPass | $168 | save $132 |
| T-Mobile Day Pass | $70 | save $34 |
The one case where roaming is genuinely free: T-Mobile Magician plan holders get 2G data in the UK at no extra cost. For WhatsApp and basic maps that is workable. For navigation, streaming, or any heavy use, the $5/day pass at $35/week still costs more than Yesim’s unlimited.
All carrier pricing above reflects publicly documented rates as of mid-2025. Carrier pricing changes regularly, always verify in your carrier’s app or website before departure.
Best UK SIM for roaming abroad
For UK residents asking about the best roaming SIM for travelling out of the UK: the key question is which UK carrier has the most favourable roaming terms for your typical destinations.
- Best UK mobile network for roaming in Europe: Carriers that have voluntarily reintroduced EU-rate roaming since Brexit include some plans from Three UK (Go Roam) and certain O2 plans. Vodafone UK charges daily roaming fees. EE charges daily fees. Lebara UK offers competitive international roaming rates for certain destinations.
- Best SIM only deals with roaming in the UK market: Check comparison sites (Uswitch, MoneySuperMarket) for the current best SIM only deals UK with roaming, terms change quarterly and what was best six months ago may have been superseded. For the specific combination of EU roaming and good domestic allowances, Three UK’s Go Roam-enabled plans are frequently cited as the best UK SIM for roaming in Europe.
- Best roaming SIM UK for international calls: Lebara UK is consistently the strongest option for international calling combined with roaming capability. Lyca Mobile and Lebara both target the international resident market and offer competitive rates for calls to South Asia, the Middle East, and Africa alongside UK mobile plans.
Read also: How to turn on or turn off data roaming, step-by-step guide for enabling data roaming on your eSIM or SIM line on iPhone and Android.
The bottom line
Roaming in the UK is paid roaming for the vast majority of international visitors, and the “EU Roam Like at Home” protection that once applied no longer does. Whether you are arriving from Italy with a TIM SIM, from France with iliad, from India with Jio, or from the US with AT&T, roaming charges in the UK apply at your home carrier’s international rate unless you have a specific UK pack activated.
The cheapest reliable option for most short visits is a travel eSIM activated before departure. No roaming charges, no store visit, your home number stays live throughout.
Browse Yesim’s UK plans. For a broader comparison of international travel eSIM options, see the best eSIM for international travel guide.
Vika Laki
Max Pankratov