San Francisco to Cancún (SFO–CUN) — Airlines, Schedules & Connections
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No nonstop flights on this route. connecting options below.
SFO–CUN is served by 2 airlines with nonstop service. United Airlines and Alaska Airlines lead the route. The flight covers 2,406 miles in approximately 5h 12m. Beyond nonstop, 67 hubs offer 1-stop connections.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| UA United Airlines | 15 | 7M9, B39M | 5h12-5h24 | Star Alliance | – | |
| AS Alaska Airlines | 1 | – | – | Oneworld | – |
Weekly Schedule Pattern
Connection Landscape
On-Time Performance
Travel Essentials
SFO: PDT · CUN: EST
When it's 6:00 PM in San Francisco, it's 8:00 PM in Cancún.
US citizens enter Mexico visa-free for up to 180 days for tourism. Complete the immigration form (FMM) online or on arrival; the online version speeds up processing. Passport must be valid for the duration of stay.
Duty-free allowances: USD 500 in goods. Mexico prohibits importing certain foods and medications without documentation. Declare cash over USD 10,000.
BART (Bay Area Rapid Transit) runs from downtown San Francisco (Embarcadero, Powell St.) to the SFO station and then a free AirTrain shuttle to all terminals (30–40 min from Embarcadero, $10.45). BART also connects Oakland and Berkeley; useful for East Bay travelers. Trains run from ~4am to midnight.Taxis from downtown San Francisco cost $40–60. Ride-hails (Uber, Lyft) pick up in the designated area in the garage and are often $30–50 depending on surge pricing. SamTrans buses serve Peninsula cities. Highway 101 and I-280 are heavily congested during commute hours; BART is faster than driving at those times.
Authorised airport taxis operate from a voucher desk inside each terminal. Fares to the Hotel Zone run MXN 350–550 (USD $17–28) and to downtown Cancún MXN 200–300. Purchase tickets inside before exiting to avoid touts. ADO buses depart from outside Terminal 2 to downtown Cancún for MXN 102 and continue to Playa del Carmen and Tulum.The Tren Maya connects Terminal 4 to Playa del Carmen, Tulum, and the broader Yucatán Peninsula. Car rental desks are located in all terminals; driving is straightforward on Highway 307.
Tropical climate with two distinct seasons. Dry season (December–April) brings warm, sunny weather at 25–32°C with low humidity, the peak tourist season and most reliable flying conditions. Wet season (May–November) is hot, humid, and prone to heavy afternoon downpours; thunderstorms can cause short ground delays.
Hurricane season runs June through November, peaking in September–October. Major storms (e.g., Wilma 2005, Zeta 2020) can close the airport for 12–48 hours. Monitor forecasts carefully from August through October. September is statistically the highest-risk month.
SFO–CUN Quick Facts
Frequently Asked Questions
Flights from SFO to CUN
San Francisco International Airport (SFO) and Cancún International Airport (CUN) are connected by nonstop service from Alaska Airlines and United Airlines. With 15 weekly departures, this is a well served route.
SFO to CUN Flight Duration and Schedule
Nonstop flight time from SFO to CUN ranges from 5 hours 12 minutes to 5 hours 24 minutes. The route covers a distance of 2,406 miles (3,871 km). There are approximately 15 weekly flights outbound and 17 return, totaling 32 flights per week in both directions.
Connecting Options and Alternatives
67 one-stop connections are available, with the fastest taking approximately 5 hours via TUL. Two-stop connections are also available via intermediate hubs.