San Francisco (SFO) to San Diego (SAN) flights
4 airlines fly nonstop from San Francisco (SFO) to San Diego (SAN): Alaska Airlines, Frontier Airlines, Southwest Airlines and United Airlines. The two airports are 447 miles (719 km) apart. Alaska Airlines is in oneworld and United Airlines is in Star Alliance. There are also 16 ways to fly it with one stop, through Los Angeles, Monterey and San Luis Obispo and more.
Airlines flying nonstop from SFO to SAN
- Alaska Airlinesoneworld · bookable with 9 programsWho books it
- Frontier AirlinesNot in an allianceWho books it
- Southwest AirlinesNot in an allianceWho books it
- United AirlinesStar Alliance · bookable with 13 programsWho books it
Book SFO to SAN 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
SFO to SAN with one stop
16 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Los Angeles (LAX)Delta Air Lines and United Airlines the whole way
+3
- Via Monterey (MRY)United Airlines, then Alaska Airlines
- Via San Luis Obispo (SBP)United Airlines, then Alaska Airlines
- Via Santa Barbara (SBA)United Airlines, then Alaska Airlines and Southwest Airlines
- Via Fresno (FAT)United Airlines, then Alaska Airlines and Southwest Airlines
- Via Sacramento (SMF)United Airlines, then Alaska Airlines and Southwest Airlines
- Via Las Vegas (LAS)Alaska Airlines, Frontier Airlines and 1 more the whole way+1+1
- Via Reno (RNO)United Airlines, then Southwest Airlines and Alaska Airlines
- Via Phoenix (PHX)American Airlines, Southwest Airlines and 1 more the whole way+1+1
- Via Medford (MFR)United Airlines, then Alaska Airlines
- Via Tucson (TUS)United Airlines, then Southwest Airlines
- Via Salt Lake City (SLC)Delta Air Lines the whole way
- Via Boise (BOI)Alaska Airlines the whole way
- Via Redmond (RDM)Alaska Airlines the whole way
- Via Eugene (EUG)United Airlines, then Southwest Airlines and Alaska Airlines
SFO to SAN: common questions
Which airlines fly nonstop from SFO to SAN?
Alaska Airlines (oneworld), Frontier Airlines, Southwest Airlines and United Airlines (Star Alliance) fly nonstop from San Francisco (SFO) to San Diego (SAN).
How far is San Francisco from San Diego by plane?
San Francisco (SFO) and San Diego (SAN) are 447 miles (719 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book SFO to SAN 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 SFO to SAN cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for SFO to SAN with taxes and fees.
Where can I connect between San Francisco and San Diego?
The most direct connections are through Los Angeles (LAX), Monterey (MRY), San Luis Obispo (SBP), Santa Barbara (SBA) and Fresno (FAT). On 6 of them the same airline flies both flights, for example Delta Air Lines 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.