San Francisco International Airport (SFO) is about 21 km (13 mi) south of downtown San Francisco, in San Mateo County. There are nonstop flights from San Francisco to Cancun with United Airlines, taking about 5 h 15 min to 5 h 25 min.
Quick facts (checked October 2026)
- Codes: IATA SFO · ICAO KSFO
- Location: about 21 km (13 mi) south of downtown San Francisco, in San Mateo County
- Terminals: 4 terminals (1, 2, 3 and the International Terminal)
- Traffic: about 54.5 million passengers (2025)
- Official website: www.flysfo.com
- Distance to Cancun: 3,871 km (2,405 miles) in a straight line
- Nonstop to Cancun: Yes – about 5 h 15 min to 5 h 25 min
- Time difference: 2 hours behind Cancun during daylight saving time (March to early November); 3 hours behind in winter
Flights from San Francisco to Cancun
| Airline | Season | Arrives at Cancun | Notes |
|---|---|---|---|
| United Airlines | Year-round | Terminal 3 | About 2–3 flights a day |
Flight time is about 5 h 15 min to 5 h 25 min. Airlines change their schedules every season, so check current dates on the airline’s website and confirm your Cancun terminal on your boarding pass (Cancun Airport terminals).
Alaska Airlines is expected to add a seasonal nonstop from late November 2026 – check before booking. Other options connect via Los Angeles, Dallas/Fort Worth, Houston, Denver or Phoenix.
Arriving at Cancun Airport
International arrivals clear immigration and customs in Cancun, which usually takes 30–60 minutes. After customs you walk through the “shark tank” of timeshare sellers – if you have booked a transfer, go straight outside to meet your driver. See Cancun Airport arrivals for what to expect step by step, and check your flight on the live arrivals board.
| From Cancun Airport to | Drive time | Private transfer from |
|---|---|---|
| Cancun Hotel Zone | 20–30 min | 44 USD per vehicle |
| Playa del Carmen | 45–60 min | 89 USD per vehicle |
| Tulum | about 1 h 45 min | 165 USD per vehicle |
Book your Cancun Airport transfer
About San Francisco International Airport
Northern California’s largest airport is United Airlines’ main gateway across the Pacific and also a hub for Alaska Airlines. BART trains link it with downtown San Francisco.
San Francisco to Cancun – FAQ
Is there a direct flight from San Francisco to Cancun?
Yes. United Airlines flies nonstop (October 2026); see the table above for seasons and frequency.
How long is the flight from San Francisco to Cancun?
About 5 h 15 min to 5 h 25 min nonstop.
How far is San Francisco from Cancun?
About 3,871 km (2,405 miles) in a straight line.
How do I get from Cancun Airport to my hotel?
A private transfer is the easiest option: from 44 USD to the Hotel Zone, 89 USD to Playa del Carmen and 165 USD to Tulum per vehicle. See Cancun Airport transportation.