Prices in pounds · O2 prices checked 6 November 2026
O2 roaming in Mexico vs a travel eSIM
In Mexico, O2 uses its O2 Travel prices. Here is what that costs for a long weekend, a week and a fortnight, next to a data-only travel eSIM for the same trip.
Photo: Arian R on Unsplash
O2 vs eSIM in Mexico: 3, 7 and 14 days
O2’s lowest published option in Mexico for each trip length, next to a Graba SIM Mexico plan with about 0.7 GB a day.
- 3 days
- 7 days
- 14 days
O2 roamingGraba SIM eSIM
| Trip | O2 | Graba SIM eSIM | Difference |
|---|---|---|---|
| A long weekend3 days | £21.00£7 a day × 3 | £16.753GB, 15 days | The eSIM is £4.25 less |
| A week7 days | £49.00£7 a day × 7 | £27.755GB, 30 days | The eSIM is £21.25 less |
| A fortnight14 days | £98.00£7 a day × 14 | £50.7510GB, 30 days | The eSIM is £47.25 less |
What’s included: O2: unlimited calls, texts and data, at up to 2 Mbps. Graba SIM: data only, prepaid; your O2 SIM stays in your phone for calls and texts. Graba SIM prices are live; O2 prices checked 6 November 2026.
Sources: O2 roaming (checked 6 November 2026). Prices change; check before you buy.
Graba SIM Mexico plans: data, validity and total price
Each plan is a one-off price for one eSIM. It starts when it first connects in Mexico, and hotspot use comes out of the same data.
Using your phone in Mexico
- CUN Cancún
- MEX Mexico City
- PVR Puerto Vallarta
- SJD Los Cabos
- GDL Guadalajara
- Cancún and the Hotel Zone
- Strong signal along the Hotel Zone and in town.
- Playa del Carmen and Tulum
- Good in town. Some beach clubs and cenotes are out of range.
- Mexico City
- Strong across the city, including most Metro stations.
- Chichén Itzá and the Yucatán
- Coverage thins between towns. Save offline maps before a road trip.
Networks our Mexico plans use: TelcelAT&T
- All-inclusive Wi-Fi can be slow at busy times and often stops at the hotel gate. An eSIM keeps maps, ride apps and messages working on excursions.
- Your UK SIM can join a Mexican network in the background and charge you. Turn data roaming off for it and use the eSIM for data.
Going further with O2
- The USA (trips across the border into the USA): O2 charges £7 a day.
- Belize (day trips from Chetumal into Belize): O2 charges Standard rates.
What you get for the money
O2 Travel Bolt On
- £7 a day, charged only on days you make a call, send a text or use data. Receiving calls and texts doesn’t trigger it.
- Calls to the UK and within the destination are included; calls to other countries are not.
- O2 Travel starts a 24-hour charge the first time you call, text or use data. Receiving calls and texts doesn’t start it.
Graba SIM Mexico eSIM
- 5 plan sizes for Mexico, from 1GB, 7 days to 20GB, 30 days, each a one-off price.
- Runs on Telcel, AT&T in Mexico, with 5G where the network offers it.
- Data only. Your O2 SIM stays on for calls and texts, so bank codes still reach you in Mexico.
O2 in Mexico: questions
How much does O2 roaming cost in Mexico?
£7 a day with the O2 Travel Bolt On: unlimited calls, texts and data, at up to 2 Mbps. For a trip, that is 3 days: £21.00 (£7 a day × 3); 7 days: £49.00 (£7 a day × 7); 14 days: £98.00 (£7 a day × 14).
Is a travel eSIM cheaper than O2 in Mexico?
It depends on the trip. Comparing O2’s lowest published option with a Graba SIM plan of about 0.7 GB a day: 3 days, the eSIM is £4.25 less; 7 days, the eSIM is £21.25 less; 14 days, the eSIM is £47.25 less. O2’s price also includes unlimited calls, texts and data, at up to 2 Mbps.
Does a Mexico eSIM work in Tulum and the cenotes?
It works in Tulum town and along the main road. Cenotes, ruins and beach clubs away from town can be out of range on every network, so download tickets and maps first.
Does a Mexico eSIM work in the USA?
A Mexico-only plan covers Mexico. For a trip that crosses into the USA, add a USA plan or check the coverage list of a North America plan.