Lyca Mobile's 7-day option is £15. A Slashtel eSIM with at least 1GB for the same trip is £3.06. Keep your Lyca Mobile number for calls and texts.
Buy the Mexico eSIM →Lyca Mobile's 7-day Mexico 7 Days Roam option costs £15 (1GB of data). A Slashtel data eSIM for Mexico with at least 1GB for 7 days costs $4.09, about £3.06, so £11.94 less. The eSIM is data only: keep your UK SIM in the phone for calls and texts. Lyca Mobile prices checked on lycamobile.co.uk on 26 October 2026.
| Lyca Mobile | Includes | Slashtel eSIM (same days or more) | Difference |
|---|---|---|---|
| £15 · 7 days | 1GB | 1GB, 7 days: $4.09 (≈£3.06) | £11.94 less |
| £25 · 14 days | 2GB | 2GB, 15 days: $7.39 (≈£5.52) | £19.48 less |
| £307.20 · 1 day | 1GB data only | 1GB, 7 days: $4.09 (≈£3.06) | £304.14 less |
Lyca Mobile prices from lycamobile.co.uk, checked 26 October 2026; Lyca Mobile's options include calls as well as data. Where Lyca Mobile charges by the day, we compare an eSIM with at least 1GB a day. Official roaming tool (SIM only and Pay monthly tabs) and EU Roaming Policies page: 30 EU Roaming Zone countries included free on all current plans (up to 35GB on SIM only Unlimited, 30GB on Pay monthly Unlimited); SIM only country passes 7 and 14 days; EU Roaming Pass also listed for Switzerland, Turkey and Georgia; per-MB data rates only shown on the Pay monthly tab. No SIM only pass shown for Azerbaijan, Bahrain, Cambodia, Costa Rica, Dominican Republic, Israel, Kazakhstan, Kenya, Kuwait, Maldives, Nepal, Oman, Philippines, Taiwan, Uzbekistan. Not confirmed: SIM only pay-as-you-go data rate per MB. Slashtel prices are live, in US dollars, converted at 0.75 per $1 (daily reference rate); your card is charged in your own currency at checkout. Lyca Mobile is a trademark of Lycamobile UK Limited. Slashtel is not affiliated with Lyca Mobile.
Yes, Lyca Mobile roams in Mexico, at £15 for 7 days on its Mexico 7 Days Roam option (checked 26 October 2026). A travel eSIM gives you local data there instead, while your Lyca Mobile number stays active for calls and texts.
For data, the eSIM. Lyca Mobile's 7-day option is £15; a Slashtel eSIM with 1GB for 7 days is $4.09 (about £3.06). Lyca Mobile's option also includes calls, which the eSIM does not.
Yes. The eSIM is added alongside your Lyca Mobile SIM, so your number stays in the phone for calls and texts such as bank codes. Set the eSIM as the line for mobile data and turn data roaming off on the Lyca Mobile line. Whether Lyca Mobile charges for anything you receive abroad depends on your plan, so check with Lyca Mobile before you travel.
No. It is data only, with no phone number. You can call on WhatsApp, FaceTime or similar apps over the eSIM data.
Most iPhones from the XS onwards, Google Pixel 3 and later, and recent Samsung Galaxy S, Z and A models, provided the phone is not carrier-locked. Check under Settings for an option to add an eSIM.
Install it at home before you fly, while you have Wi-Fi, and switch mobile data to it when you land.