Direct (nonstop) flights from Guanacaste to San Francisco
2 airlines fly nonstop from Daniel Oduber Quiros International (LIR) to San Francisco International (SFO). It's 2,946 miles (4,741 km), about 6h 52m in the air. Operated by Alaska Airlines, United Airlines.
Alaska Airlines
United Airlines
Route data last updated: May 30, 2026
Airlines with non-stop flights
AS
Alaska Airlines
UA
United Airlines
Alternative Routes
Other ways to fly from Guanacaste to San Francisco with one stop · direct emits 450 kg CO₂ per passenger
Looking for the return flight?
SFO → LIR: Flights from San Francisco to GuanacasteOther direct flights from Guanacaste
Direct flights from San Francisco (SFO)
Frequently Asked Questions
How long is the direct flight from Guanacaste to San Francisco?
A nonstop flight from Guanacaste (LIR) to San Francisco (SFO) takes approximately 6 hours and 52 minutes. The distance is 2,946 miles (4,741 km).
Which airlines fly nonstop from Guanacaste to San Francisco?
2 airlines: Alaska Airlines, United Airlines.
Is there a nonstop flight from Guanacaste to San Francisco?
Yes. 2 airlines: Alaska Airlines, United Airlines.
How far is Guanacaste from San Francisco?
The flight distance from Guanacaste to San Francisco is 2,946 miles (4,741 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 Guanacaste and San Francisco?
San Francisco is 1 hour behind Guanacaste. (America/Costa_Rica vs America/Los_Angeles.)
What type of aircraft flies from Guanacaste to San Francisco?
At 6h 52m, 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 Costa Rica 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 Guanacaste to San Francisco?
Roughly 450 kg CO2 per passenger one-way. That's about the same as driving 2,250 km.
Is the return flight from San Francisco to Guanacaste 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 Guanacaste 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 Daniel Oduber Quiros International for this flight?
3 hours before departure for international flights. You need time for check-in, security, and immigration.