Direct (nonstop) flights from Cancun to San Francisco
2 airlines fly nonstop from Cancun International Airport (CUN) to San Francisco International (SFO). It's 2,408 miles (3,875 km), about 6h 3m in the air. Operated by Alaska Airlines, United Airlines.
Alaska Airlines
United Airlines
Route data last updated: May 29, 2026
Airlines with non-stop flights
AS
Alaska Airlines
UA
United Airlines
Alternative Routes
Other ways to fly from Cancun to San Francisco with one stop · direct emits 407 kg CO₂ per passenger
Looking for the return flight?
SFO → CUN: Flights from San Francisco to CancunOther direct flights from Cancun
Direct flights from San Francisco (SFO)
Frequently Asked Questions
How long is the direct flight from Cancun to San Francisco?
A nonstop flight from Cancun (CUN) to San Francisco (SFO) takes approximately 6 hours and 3 minutes. The distance is 2,408 miles (3,875 km).
Which airlines fly nonstop from Cancun to San Francisco?
2 airlines: Alaska Airlines, United Airlines.
Is there a nonstop flight from Cancun to San Francisco?
Yes. 2 airlines: Alaska Airlines, United Airlines.
How far is Cancun from San Francisco?
The flight distance from Cancun to San Francisco is 2,408 miles (3,875 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as New York to Los Angeles.
What is the time difference between Cancun and San Francisco?
San Francisco is 2 hours behind Cancun. (America/Cancun vs America/Los_Angeles.)
What type of aircraft flies from Cancun to San Francisco?
At 6h 3m, this route typically uses wide-body aircraft — Boeing 777, 787, or Airbus A330/A350. Varies by airline.
Do I need a visa to travel from Mexico to USA?
Depends on your passport. Check with the USA embassy or an official visa portal before booking — requirements change.
What is the carbon footprint of a flight from Cancun to San Francisco?
Roughly 407 kg CO2 per passenger one-way. That's about the same as driving 2,035 km.
Is the return flight from San Francisco to Cancun also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from Cancun to San Francisco?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.
How early should I arrive at Cancun International Airport for this flight?
3 hours before departure for international flights. You need time for check-in, security, and immigration.