Direct (nonstop) flights from San Francisco to Cancun
2 airlines fly nonstop from San Francisco International (SFO) to Cancun International Airport (CUN). It's 2,408 miles (3,875 km), about 5h 20m 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 San Francisco to Cancun with one stop · direct emits 407 kg CO₂ per passenger
Looking for the return flight?
CUN → SFO: Flights from Cancun to San FranciscoOther direct flights from San Francisco
Direct flights from Cancun (CUN)
Frequently Asked Questions
How long is the direct flight from San Francisco to Cancun?
A nonstop flight from San Francisco (SFO) to Cancun (CUN) takes approximately 5 hours and 20 minutes. The distance is 2,408 miles (3,875 km).
Which airlines fly nonstop from San Francisco to Cancun?
2 airlines: Alaska Airlines, United Airlines.
Is there a nonstop flight from San Francisco to Cancun?
Yes. 2 airlines: Alaska Airlines, United Airlines.
How far is San Francisco from Cancun?
The flight distance from San Francisco to Cancun 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 San Francisco and Cancun?
Cancun is 2 hours ahead of San Francisco. (America/Los_Angeles vs America/Cancun.)
What type of aircraft flies from San Francisco to Cancun?
At 5h 20m, this route typically uses narrow-body or mid-range jets — Boeing 737 MAX or Airbus A320neo. Varies by airline.
Do I need a visa to travel from USA to Mexico?
Depends on your passport. Check with the Mexico embassy or an official visa portal before booking — requirements change.
What is the carbon footprint of a flight from San Francisco to Cancun?
Roughly 407 kg CO2 per passenger one-way. That's about the same as driving 2,035 km.
Is the return flight from Cancun to San Francisco 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 San Francisco to Cancun?
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 San Francisco International for this flight?
3 hours before departure for international flights. You need time for check-in, security, and immigration.