United States Β· 423 miles (681 km)

San Francisco (SFO) to Carlsbad (CLD) flights

One airline flies nonstop from San Francisco (SFO) to Carlsbad (CLD): United Airlines. The two airports are 423 miles (681 km) apart. United Airlines is in Star Alliance. There are also 1 way to fly it with one stop, through Phoenix.

Airlines flying nonstop from SFO to CLD

  • United Airlines logo
    United AirlinesStar Alliance Β· bookable with 13 programsWho books it

Book SFO to CLD with points

Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.

SFO to CLD with one stop

1 connection, most direct first. 2-stop routings and flight times are in Routes with Pro.

  • Via Phoenix (PHX)American Airlines the whole way
    American Airlines logo
    United Airlines logo
    Southwest Airlines logo
    +1
    American Airlines logo

SFO to CLD: common questions

Which airlines fly nonstop from SFO to CLD?

United Airlines (Star Alliance) flies nonstop from San Francisco (SFO) to Carlsbad (CLD).

How far is San Francisco from Carlsbad by plane?

San Francisco (SFO) and Carlsbad (CLD) are 423 miles (681 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 CLD award flights?

13 programs can book at least one of the nonstop airlines: Air Canada Aeroplan, Air New Zealand Airpoints, ANA Mileage Club, Avianca LifeMiles, Emirates Skywards, EVA Air Infinity MileageLands, JetBlue TrueBlue, Lufthansa Miles & More and 5 more. Which flights each can book depends on its partners, so check the airline before you transfer points.

How many miles does SFO to CLD 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 CLD with taxes and fees.

Where can I connect between San Francisco and Carlsbad?

The most direct connections are through Phoenix (PHX). On 1 of them the same airline flies both flights, for example American Airlines through Phoenix.

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.