Direct (nonstop) flights from San Francisco to Guanacaste
2 airlines fly nonstop from San Francisco International (SFO) to Daniel Oduber Quiros International (LIR). It's 2,946 miles (4,741 km), about 6h 16m in the air. Operated by Alaska Airlines, United Airlines.
Alaska Airlines
United Airlines
Route data last updated: May 24, 2026
Airlines with non-stop flights
AS
Alaska Airlines
UA
United Airlines
Alternative Routes
Other ways to fly from San Francisco to Guanacaste with one stop · direct emits 450 kg CO₂ per passenger
Looking for the return flight?
LIR → SFO: Flights from Guanacaste to San FranciscoOther direct flights from San Francisco
Direct flights from Guanacaste (LIR)
Frequently Asked Questions
How long is the direct flight from San Francisco to Guanacaste?
A nonstop flight from San Francisco (SFO) to Guanacaste (LIR) takes approximately 6 hours and 16 minutes. The distance is 2,946 miles (4,741 km).
Which airlines fly nonstop from San Francisco to Guanacaste?
2 airlines: Alaska Airlines, United Airlines.
Is there a nonstop flight from San Francisco to Guanacaste?
Yes. 2 airlines: Alaska Airlines, United Airlines.
How far is San Francisco from Guanacaste?
The flight distance from San Francisco to Guanacaste 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 San Francisco and Guanacaste?
Guanacaste is 1 hour ahead of San Francisco. (America/Los_Angeles vs America/Costa_Rica.)
What type of aircraft flies from San Francisco to Guanacaste?
At 6h 16m, 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 USA to Costa Rica?
Depends on your passport. Check with the Costa Rica embassy or an official visa portal before booking — requirements change.
What is the carbon footprint of a flight from San Francisco to Guanacaste?
Roughly 450 kg CO2 per passenger one-way. That's about the same as driving 2,250 km.
Is the return flight from Guanacaste 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 Guanacaste?
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.