Guanacaste (LIR) to San Francisco (SFO) flights
2 airlines fly nonstop from Guanacaste (LIR) to San Francisco (SFO): Alaska Airlines and United Airlines. The two airports are 2,948 miles (4,744 km) apart. Alaska Airlines is in oneworld and United Airlines is in Star Alliance. There are also 24 ways to fly it with one stop, through Los Angeles, Houston and San Jose and more.
Airlines flying nonstop from LIR to SFO
- Alaska Airlinesoneworld · bookable with 9 programsWho books it
- United AirlinesStar Alliance · bookable with 13 programsWho books it
Book LIR to SFO with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Air Canada AeroplanBooks United Airlines
- Air New Zealand AirpointsBooks United Airlines
- Alaska Atmos RewardsBooks Alaska Airlines
- American AAdvantageBooks Alaska Airlines
- ANA Mileage ClubBooks United Airlines
- Avianca LifeMilesBooks United Airlines
- British Airways ClubBooks Alaska Airlines
- Cathay Pacific Asia MilesBooks Alaska Airlines
- Emirates SkywardsBooks United Airlines
- EVA Air Infinity MileageLandsBooks United Airlines
- Finnair PlusBooks Alaska Airlines
- Iberia ClubBooks Alaska Airlines
- JAL Mileage BankBooks Alaska Airlines
- JetBlue TrueBlueBooks United Airlines
- Lufthansa Miles & MoreBooks United Airlines
- Qantas Frequent FlyerBooks Alaska Airlines
- Qatar Airways Privilege ClubBooks Alaska Airlines
- Singapore Airlines KrisFlyerBooks United Airlines
- TAP Miles&GoBooks United Airlines
- Thai Royal Orchid PlusBooks United Airlines
- Turkish Airlines Miles&SmilesBooks United Airlines
- United MileagePlusBooks United Airlines
LIR to SFO with one stop
24 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Los Angeles (LAX)Alaska Airlines and United Airlines the whole way
+3
- Via Houston (IAH)United Airlines the whole way
- Via San Jose (SJO)SANSA, then United AirlinesRZ
- Via Dallas (DFW)American Airlines the whole way
- Via Denver (DEN)United Airlines and Southwest Airlines the whole way
- Via Miami (MIA)American Airlines the whole way
- Via Fort Lauderdale (FLL)JetBlue Airways the whole way
- Via Atlanta (ATL)Delta Air Lines the whole way
- Via Nashville (BNA)Southwest Airlines the whole way
- Via Minneapolis (MSP)Delta Air Lines and Sun Country Airlines the whole way
- Via Seattle (SEA)Alaska Airlines the whole way
- Via Chicago (ORD)United Airlines and American Airlines the whole way
- Via Charlotte (CLT)American Airlines the whole way
- Via Vancouver (YVR)Air Canada the whole way
- Via Calgary (YYC)WestJet the whole way
LIR to SFO: common questions
Which airlines fly nonstop from LIR to SFO?
Alaska Airlines (oneworld) and United Airlines (Star Alliance) fly nonstop from Guanacaste (LIR) to San Francisco (SFO).
How far is Guanacaste from San Francisco by plane?
Guanacaste (LIR) and San Francisco (SFO) are 2,948 miles (4,744 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book LIR to SFO award flights?
22 programs can book at least one of the nonstop airlines: Air Canada Aeroplan, Air New Zealand Airpoints, Alaska Atmos Rewards, American AAdvantage, ANA Mileage Club, Avianca LifeMiles, British Airways Club, Cathay Pacific Asia Miles and 14 more. Which flights each can book depends on its partners, so check the airline before you transfer points.
How many miles does LIR to SFO cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for LIR to SFO with taxes and fees.
Where can I connect between Guanacaste and San Francisco?
The most direct connections are through Los Angeles (LAX), Houston (IAH), San Jose (SJO), Dallas (DFW) and Denver (DEN). On 23 of them the same airline flies both flights, for example Alaska Airlines through Los Angeles.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.