How to send money to Mexico: bank wire, Wise, Western Union/MoneyGram, and casas de cambio compared

The four main options compared

Wise (name only, no link here). Fund with a US/EU bank transfer or card, convert at the mid-market rate with a stated percentage fee (varies by route — check the live quote), and deliver to a Mexican bank account via CLABE or to a debit card. Typical speed: hours to 1 business day on major routes. Strengths: transparent total cost, usually the cheapest for US$200–5,000 transfers to a bank account. Weaknesses: requires the recipient to have a Mexican bank account (a CLABE number), and first-time verification takes time.

Bank wire / transfer into Mexico's banking system. From a US bank, wire US dollars or pesos to a Mexican account; inside Mexico, the money moves through SPEI (Sistema de Pagos Electrónicos Interbancarios, Banco de México's real-time settlement system — instant, 24/7, between Mexican banks). International wires typically arrive in 1–3 business days, with a sender fee of roughly US$25–50 from a US bank plus the FX margin your bank applies. Electronic transfers face no dollar-cash restrictions — the limits below apply only to physical US-dollar cash. Best for: large amounts and payroll, where the flat fee matters less and the paper trail matters more.

Western Union and MoneyGram. Thousands of cash-pickup points across Mexico — Oxxo, Elektra/Banco Azteca, Coppel, Soriana, and bank branches. The sender pays a per-transfer fee (CONDUSEF's sample comparison tables, e.g. the June 2025 issue, showed fees around US$7–8 per transfer plus the provider's exchange-rate margin) and the recipient can collect pesos in minutes. Best for: recipients without bank accounts, urgent family support, small amounts. Compare the pesos actually received per dollar sent — the exchange-rate margin is where most of the cost hides, and CONDUSEF and Profeco's weekly "Quién es Quién en el Envío de Dinero" (QQED) tool publishes exactly that comparison for major US cities.

Casas de cambio and local exchange shops (本地换汇所). Casas de cambio (exchange houses) are a normal, legal part of Mexico's financial system — useful when you are physically in Mexico exchanging currency, or when a recipient converts. Compliance risk warning: casas de cambio are authorized by the Secretaría de Hacienda y Crédito Público (SHCP) and supervised by the Comisión Nacional Bancaria y de Valores (CNBV), which keeps a public registry (RECC-TD) of authorized casas de cambio and money transmitters. They must identify customers, classify risk, and report relevant and unusual transactions to the authorities. The risk is with unregistered operators — street dealers and informal "cambistas": if the operator is shut down in a money-laundering enforcement action, your funds can be frozen or seized, and you have no regulator to complain to (CONDUSEF only handles regulated entities). Before using one, verify it appears in the CNBV registry or CONDUSEF's SIPRES database, get a printed receipt showing the amount, rate, and fee for every transaction, and never hand over money without one.

Fees, exchange-rate margins, and speed at a glance

Golden rule from CONDUSEF: the only number that matters is how many pesos your family receives per dollar you send — commission + exchange margin + any destination charges, all in.

Large transfers: Mexico's US-dollar cash restrictions

Mexico does not restrict electronic dollar transfers. It restricts physical US-dollar cash — a money-laundering control that has been in place since 2010. The limits for banks receiving/handling USD cash:

• Individual clients (personas físicas): up to US$4,000 per calendar month in USD cash deposits.
• Non-clients: up to US$300 per day and US$1,500 per month; tourists who are not account holders may exchange up to US$1,500 per month in cash.
• Businesses (personas morales): up to US$14,000 per month in cash — only in tourist zones and the northern border strip (and only with justification); elsewhere the cap is US$7,000 per month.
• At the border: anyone entering or leaving Mexico carrying the equivalent of US$10,000 or more in cash, cheques, or payment orders must declare it to customs (ANAM). Undeclared amounts can be seized.

Practical consequences for large transfers: send wires, not cash. A US$50,000 wire to a Mexican bank account is routine and unrestricted; trying to deposit US$50,000 in physical dollars is impossible under the caps above. Also note: outside the northern border zone and Baja California, Mexican banks generally cannot open USD-denominated accounts for resident individuals — funds arrive as dollars and convert to pesos. If a casa de cambio or dealer offers to "handle" a large dollar-cash transaction for you with no questions asked, that is a red flag, not a service.

Forum pain point: exchanging pesos for dollars in Mexico (比索换美元)

Unlike some countries in the region, Mexico has no purchase limit ("cepo") on buying US dollars: any individual or business can buy and sell dollars freely through banks, authorized casas de cambio, or regulated platforms. You will need a valid official ID (INE, passport), and for larger amounts the institution must apply its anti-money-laundering identification procedures — expect tiered KYC: basic identification from small amounts, source-of-funds information at higher thresholds.

Cash-purchase caps are tighter for non-clients of a bank (daily/monthly limits that vary by institution), so for larger conversions use a bank account transfer rather than a counter cash deal, and compare the rate at two or three casas de cambio — spreads of 1–3% between shops on the same street are common. Only use shops you can verify in the CNBV registry; a "better rate, no ID needed" offer from an unregistered dealer is exactly the transaction most likely to be caught in an enforcement sweep.

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