On Trip.com, the cheapest SFO-MEX flights are 3-stop services around $188; direct Aeromexico flights start at approximately $559.
Airlines Offering Competitive Prices
Budget airlines are often your best bet for finding the lowest fares. Carriers like Volaris and VivaAerobus frequently offer direct flights from SFO to MEX at competitive prices. While these airlines are known for their low base fares, remember that services like checked baggage, seat selection, and in-flight meals usually incur additional costs.
Full-service airlines such as Aeromexico, United Airlines, and Alaska Airlines also operate on this route. While their base fares might be higher, they often include amenities like checked baggage and in-flight entertainment, potentially offering better value for some travelers. These airlines may offer both direct and connecting flights.
💡 Smart Tips for Finding Affordable Flights
Securing the cheapest flight requires a strategic approach. Consider these tips to maximize your savings:
- Book in Advance: Generally, booking your flight several weeks or even months ahead of your travel date can result in lower prices. Last-minute bookings tend to be more expensive.
- Be Flexible with Dates: Prices can vary significantly depending on the day of the week and time of year. Mid-week flights (Tuesday, Wednesday, Thursday) are often cheaper than weekend travel. Avoiding peak seasons and major holidays will also yield better rates.
- Consider Layovers: While direct flights are convenient, flights with one or more layovers can sometimes be significantly cheaper. Evaluate if the time saved by a direct flight is worth the potential extra cost.
- Utilize Price Alerts: Set up price alerts on Trip.com. You'll receive notifications when fares for your desired route drop, helping you snag a deal.
- Fly from San Francisco International Airport (SFO): All major flights to Mexico City from the San Francisco Bay Area will depart from SFO. Ensure you're searching specifically from San Francisco International Airport to Mexico City International Airport (MEX) for the most accurate results.
✨ Popular Airlines for Your Journey
- Volaris: A Mexican low-cost carrier, often providing direct service.
- VivaAerobus: Another Mexican budget airline known for its affordable fares.
- Aeromexico: Mexico's flag carrier, offering full-service options.
- United Airlines: A major U.S. carrier, frequently offering connecting flights.
- Alaska Airlines: Another U.S. airline with connecting options.
Prices in this article are referenced from Trip.com. Data was updated on December 19, 2025; please refer to real-time search for specific details.