Cheap Flights from San Francisco to Cancun Starting at $163

San Francisco International Airport (SFO) is the region’s primary international hub, serving a mix of legacy carriers (notably United) and a wide range of global airlines alongside some low-cost services; fares can be competitive on major routes but often trend higher than smaller nearby airports. SFO sits about 13 miles south of downtown San Francisco, with BART offering a direct 30–45 minute ride for roughly $10–12 and airport shuttles, taxis or rideshares taking 20–40 minutes depending on traffic for fares that vary. Pros include extensive international connections, good ground transit links and full-service amenities; cons can be crowding at peak times, longer walking transfers between terminals, and occasional heavy traffic to the city.

Fly nonstop from San Francisco to Cancún for the quickest, most convenient way to swap foggy cityscapes for sun-drenched beaches—perfect when you want to maximize vacation time and minimize hassle. While connecting flights can sometimes be cheaper, a direct route saves hours and offers a more comfortable, stress-free journey so you can arrive ready to relax.

The San Francisco — Cancun route is served by a wide range of airlines: 4 in total, including Frontier Airlines, Southwest Airlines, United Airlines, and Air Canada. Competition among carriers gives passengers the opportunity to find tickets at attractive fares — with prices starting from $163. Our service helps compare all available offers within seconds and choose the most convenient option. You can filter flights by price, departure time, or baggage rules to make your trip as comfortable as possible. With so many airlines, there’s always a chance to catch special promotions and save.

The minimum one-way ticket price from San Francisco to Cancun is $194 (January 2026), while the maximum is $458 (December 2025). On average, a ticket costs $304–$717.

Cancún International Airport (CUN) is the main gateway to Mexico’s Caribbean coast and typically functions as an international hub for leisure travel, with a mix of legacy carriers and many low-cost and charter airlines serving seasonal routes. It sits about 16 km (10 miles) northwest of downtown Cancún and transfers to hotel zones commonly take 20–45 minutes by taxi or shared shuttle; expect airport taxis and private transfers to charge more than public shuttles, while ADO buses offer the cheapest option. The airport is usually perceived as mid-range to premium for convenience given its direct international connections and plentiful ground services, but arrival crowds can be heavy during high season. Pros: numerous flights and easy onward transfer options; cons: busy terminals and potentially longer queues at peak times.