Flights Ciudad de México to San Salvador (MEX-SAL): airlines

Flights Ciudad de México → San Salvador: airlines, fares, timing

The MEX–SAL route appears in our catalogue with 7 weekly departures (~1.0 per day) across 2 airlines, 3.0 h of block time and 1,259 km great-circle between Ciudad de México and San Salvador. Demand score: 6/10, classified as the Latin American regional corridor.

Mexico City to San Salvador links the Mexican capital with the capital of El Salvador, with around 7 flights a week, one a day. The route carries business travellers, passengers visiting relatives and the Salvadoran community moving between the two countries. Block time is about three hours.

At ~1.0 departures a day there is daily service but little cushion: if the flight cancels, the same airline’s next option is usually the following day. Leave slack on any onward connection and avoid buying the last departure of the day when something is booked after it.

How to read these figures. Weekly departures are an aggregate estimate from the published schedules of every catalogued carrier on the pair, one-way; the flight time is block time — gate to gate, taxi included — not airborne time. Neither is a schedule guarantee: carriers cut frequencies in low season without notice.

Airlines operating this route

2 airlines operate MEX–SAL: Aeromexico, Volaris. 1 are full-service and 1 low-cost; included checked allowance ranges from 0 to 25 kg depending on the operator. Between them they run 7 weekly departures over 3.0 h of block time; alliances present: SkyTeam.

Two carriers fly MEX-SAL: Aeroméxico, full-service with baggage included, and Volaris, on a low-cost model. Both fly direct, so the choice is between a full ticket and a bare fare to which baggage is added.

The honest comparison already has the bag in it. Between the most generous operator (25 kg) and the leanest (0 kg) there are 25 kg of difference in the base fare. Volaris includes no checked bag in the base fare, so its list price is not comparable with the rest until you add the fee. On a 3.0 h sector onboard comfort matters little; total cost is decided by baggage and, if you travel with family, by seating you together.

MXN fares — what to expect

There is no live cached fare for MEX-SAL, but 2 historical readings exist between 2026-W24 and 2026-W25: the observed floor in that window was $3,451 MXN and the ceiling $5,647 MXN. Only 34 of 109 corridors returned a price on the last pass.

MEX-SAL fares climb in December, Holy Week and the summer. For those dates, booking one to two months ahead is sensible. Outside the peaks, three to five weeks usually secures a reasonable fare in MXN.

Get live fares on Aviasales →

Buying window: a general market rule of thumb. At demand 6/10 and 7 weekly departures the usual reference is 4 to 8 weeks ahead on ordinary dates and 8 to 12 weeks for December, Holy Week and summer. That is a general Mexican-market rule of thumb, not a measurement of MEX-SAL: our series records observed prices, not the lead time at which each ticket was bought. What the data does support is that the lower the frequency, the sooner cheap inventory runs out.

Round trip versus two one-ways. On multi-operator routes two separate one-ways sometimes total less than a return — but they stop being a single contract of carriage: if the first is cancelled the second stays alive and there is no cross-rebooking. Price the return first and take the split only when the gap is wide and the dates are firm.

About San Salvador

San Salvador (SAL) appears in 1 route in our catalogue from 1 Mexican airport, totalling 7 weekly departures. Aeropuerto Internacional Monseñor Óscar Arnulfo Romero (SAL, ICAO MSLP) lies 1,259 km from Ciudad de México and runs on America/El_Salvador. The flight from Ciudad de México runs 3.0 h block time per our catalogue.

San Salvador is the capital of El Salvador, a city in a highland valley ringed by volcanoes. It is the country’s main economic centre and a gateway to its Pacific coast. For Mexican travellers it is a business and family-visit destination and a connecting point in Central America.

SAL as a hub. San Salvador is a base for Avianca, and that changes what to expect on the ground: more of the airline’s own frequencies to be rebooked onto, more onward destinations from the same terminal and, where the home carrier dominates, less competitive pressure on fares. It matters most when SAL is your connecting point rather than your final destination.

Arriving in San Salvador: the local hour that matters. The flight runs 3.0 h block time over 1,259 km. That combination — duration plus offset — decides whether you land fit to drive, to take a surface connection or to make an appointment the same day. Work it out before committing to anything on the far side, because the ticket is bought on departure time and the diary runs on arrival time.

Passenger rights on the MEX–SAL route

25% of the ticket at minimum for a delay over 4 h attributable to the airline: that is what Art. 47 Bis of the Ley de Aviación Civil sets on the MEX → SAL leg, which departs Mexico. On the return from El Salvador the departure country’s regulator governs.

What does apply on departure from Mexico. Mexico’s Ley de Aviación Civil (Art. 47 Bis), enforced by AFAC and PROFECO, covers flights taking off from Mexican territory regardless of the airline’s nationality: a delay over 4 hours attributable to the carrier entitles you to at least 25% of the ticket price, and from the first hour the airline owes assistance that escalates with duration. Keep the boarding pass and the purchase receipt — a claim stands on those two documents.

Documents to sort out before buying

Verified 2026-05-18: with a Mexican passport, Estados Unidos requires Visa B1/B2 obligatoria, at a cost of $185 USD no reembolsable and a maximum stay of Decidido en POE; típicamente 6 meses. Confirm the current amount before paying. Buying the ticket before the document exists is the expensive mistake on this route.

Check the current amount before paying. The consular fee and stay limit above are the ones in our immigration file, last verified on 2026-05-18. Consulates revise those amounts without notice and publish no change calendar, so confirm the current figure at the official source on the day you pay. A receipt issued at the old rate is neither refunded nor credited — it is simply paid again.

The right order: document first, ticket second. A cheap fare does not survive a pending immigration formality. The airline will not refund a non-refundable ticket because your visa was denied or delayed, and the change fee usually exceeds the saving you were chasing. Consular appointment waits run 30–180 days depending on the post, and buying the ticket first does not speed them up. Buy once the document is issued, or buy a changeable fare and accept that the premium is the price of the risk.

FAQ

The 5 questions on this record are answered from catalogue figures for MEX-SAL: routes and weekly frequencies, minimum fares observed by the collector, checked-baggage allowances and the rights regime that applies on each leg. No answer adds data that is not in those sources.

Which airlines fly Ciudad de México to San Salvador? Direct MEX-SAL flights are operated by Aeromexico, Volaris. Compare baggage, fares and schedules in the carrier table above.

How long is the MEX-SAL flight and how often does it run? Block time is about 3.0 hours. The MEX-SAL route runs roughly 7 flights per week across all carriers.

How far ahead should I book MEX-SAL for the best fare? As a general Mexican-market rule of thumb — not a measurement of this route — booking runs 4-8 weeks ahead for regular dates and 8-12 weeks for peak season (Holy Week, Christmas, paisano summer). See the month-by-month fare heatmap above.

What is the checked baggage allowance on MEX-SAL? It varies by carrier and fare class — full-service carriers on this route usually include 23-25 kg, while low-cost carriers sell it separately. Confirm the current policy on the airline’s site before booking.

Do Mexican passport holders need a visa for El Salvador? Verifica con consulado. Check the latest requirements with the consulate before buying your ticket.

Related articles

• Flights from Ciudad de México
• Flights to San Salvador
• Baggage comparator

Published by FlightsMX Editorial Team. Last verified: May 2026. Fares are reference brackets — verify with the airline before booking.