Mexico is a country where the local SIM usually wins

Why this comparison comes out differently

On most of this site, the travel eSIM wins for short trips because buying locally means a passport, a counter and a queue. Mexico removes all three. No ID is required to buy a prepaid SIM here — it is an instant purchase — and Telcel SIMs are sold in Oxxo convenience stores, the most ubiquitous retail chain in the country, as well as pharmacies, Walmart, supermarkets and airport kiosks.

That changes the shape of the answer. The eSIM's usual advantages — no ID, no queue, no shop — are worth much less in Mexico than they are in Italy or Japan.

The local option

Telcel starter packs run around MXN 99, about $6. A SIM bought at an airport kiosk is around $8 in our data. Either way you are spending less than the cheapest eSIM plan on the market.

One honest limit: we do not hold a verified figure for how much data a MXN 99 starter pack includes, and top-up pricing varies by package. So we can tell you the entry cost is very low and the ID requirement is nil; we cannot give you a reliable price per gigabyte for the local option. Treat that comparison as open rather than settled in either direction.

The eSIM options

Cheapest entry plan from each provider we track. Airalo prices were read from its own site on 13 August 2026, Saily's on 16 August 2026, Nomad's on 17 August 2026 and Holafly's on 18 August 2026; the rest have not been checked at source.

Provider	Cheapest plan	Price	Network	Status
Airalo (Chido)	1 GB / 3 days	$4	not disclosed	verified
Saily	1 GB / 7 days	$4.99	not disclosed	verified
Nomad	1 GB / 7 days	$5	not disclosed	verified
eSIM Go	3 GB / 30 days	$9	not disclosed	not on sale
Holafly	Unlimited / 3 days	$10.90	not published	verified

eSIM Go sells wholesale to resellers and publishes no consumer price — checked on esim-go.com on 18 August 2026, where there is no basket, no checkout and no per-country page — so its rows cannot be bought or ever verified. See our eSIM Go page.

Only the Airalo, Saily, Nomad and Holafly rows were read from a live checkout; the rest are indicative. The Holafly row changed twice over when we checked it: the one-day plan at $6.90 does not exist — Holafly's shortest Mexican plan is three days at $10.90 — and the Telcel and Movistar listing does not exist either. Saily's entry price used to sit at the top of this table at $3.99 — that figure was never checked, and the real one is $4.99, which puts Airalo's Chido ahead of it on price. Saily's plan still runs seven days against Chido's three.

Airalo sells two Mexico lines, Chido and Chido Plus, and lists the same allowances under both; the Airalo prices on this page are Chido, the cheaper of the pair. The Plus version of that entry gigabyte is $5.50. What the Plus tier buys is not stated by Airalo. Note that the network column is now empty from top to bottom: not one of the six publishes a Mexican host network. Earlier versions of this table gave Telcel for Nomad and then Telcel and Movistar for Holafly. Neither company publishes a host network anywhere — Holafly's went when we read its Mexican prices at source on 18 August 2026 and found no carrier named — and both attributions came from our own data rather than from the sellers. We would rather leave the cells blank than guess.

At volume:

The Chido Plus equivalents of the three Airalo rows are $54, $42.50 and $26 — verified, and dearer at every rung with no stated difference to show for it. Saily is the most expensive route to volume of anyone here: its best rate, $1.90 a gigabyte at 20 GB, is worse than Airalo's rate at 10 GB.

Telcel is the network that matters

Telcel holds roughly 67% of the Mexican market and has by far the best national geographic coverage. AT&T Mexico, at about 20%, is competitive in major cities and the tourist corridors. Movistar is the smallest of the three at around 13%. The national average speed is 40 Mbps.

If you are staying inside a resort corridor, any of them works. If you are leaving it, Telcel is close to mandatory. The known gaps are instructive: Holbox and Contoy islands, the remote Copper Canyon (Barrancas del Cobre), the rural interior of Oaxaca and Chiapas, sections of the federal highway between Playa del Carmen and Mérida, and remote stretches of Highway 1 in Baja California. Those are exactly the places a road trip goes.

None of the eSIM providers we track names a Mexican network. This paragraph used to say Holafly did, listing Telcel and Movistar; it does not, and that has been withdrawn. So if your route is rural you are choosing between six silences — which is why the local SIM keeps winning this page.

Head to head

Airalo against Saily: both sets of prices are now checked, and Airalo's Chido wins at every size where the two overlap from 5 GB up — $13 against $14.99 at 5 GB, $18.50 against $23.99 at 10 GB, $31 against $37.99 at 20 GB, all over 30 days. Saily's only advantages are shapes Airalo does not sell: 1 GB with a week on it, and 3 GB with a month on it at $9.99.

Airalo against Holafly: Airalo wins, though narrowly on price. Now that both ladders are verified they sit within a dollar of each other at every length — Airalo $10.50 against Holafly $10.90 at three days, level at $17.50 at five, $23.50 against $23.90 at seven, $31.50 against $31.90 at ten, $43 against $43.90 at fifteen and $62 against $64.90 at thirty. Airalo is cheaper or equal every time, and Mexico is one of Holafly's cheaper markets rather than one of its dearer ones, which is the opposite of what this page used to say. The decider is not price: Holafly has no hotspot, which is a real problem on a road trip where one phone is navigating and another is booking.

Airalo against Nomad: both are verified now, and Nomad is cheaper at every size the two both sell — $11 against $13 at 5 GB, $15.50 against $18.50 at 10 GB, $27.50 against $31 at 20 GB. Airalo takes it back at the two ends: its Chido 1 GB for 3 days at $4 is the cheapest way in, and its Chido 50 GB at $45 is the only plan above 20 GB in Mexico and the cheapest rate in the country. Neither names a network.

Verdict

Short trip, want it working before you land, phone supports eSIM: buy an eSIM, $4 to $10 covers most people, and Airalo's Chido is the cheapest verified way in.

Two weeks or more, or any significant data use: buy a Telcel SIM at an Oxxo on day one. No ID, about $6, best coverage in the country. Very few countries make this so easy, and pretending otherwise would be dishonest.

Road-tripping outside the resort corridors: get Telcel in writing, which now means a local Telcel SIM and nothing else. We used to point at Nomad here as the one eSIM naming Telcel. It does not name Telcel, or any other network, in any country.

Full plan pricing is on the Mexico hub.