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San Diego International Airport in San Diego, United States has 79 nonstop destinations in FlightQ's current schedule set. This page ranks named carriers by how many destinations they serve from SAN, with top routes and scheduled flight counts.
Schedule snapshot checked Sep 23, 2026.
The broadest named carrier from SAN is Southwest Airlines, with 42 nonstop destinations in this data set. Popular destinations from the airport include San Francisco (SFO), Phoenix (PHX), Las Vegas (LAS), and Denver (DEN).
| Airline | Destinations | Flights | Top routes |
|---|---|---|---|
| Southwest Airlines | 42 | 842 | |
| Alaska Airlines | 41 | 701 | |
| United Airlines | 9 | 240 | |
| Delta Air Lines | 9 | 220 | |
| American Airlines | 6 | 165 | |
| Frontier Airlines | 5 | 40 | |
| Air Canada | 3 | 24 | |
| Breeze Airways | 3 | 7 | |
| JetBlue | 2 | 27 | |
| British Airways | 1 | 13 | |
| West Air (USA) | 1 | 8 | |
| Japan Airlines | 1 | 7 | |
| Lufthansa | 1 | 7 | |
| WestJet | 1 | 7 | |
| Copa Airlines | 1 | 4 | |
| KLM Royal Dutch Airlines | 1 | 3 | |
| Sun Country Airlines | 1 | 2 |
Flight counts are the scheduled rows captured in the current sample window, not annual totals. The destination count is a better comparison for network breadth.
Southwest Airlines has the broadest named-carrier coverage in FlightQ's current SAN schedule set, with 42 nonstop destinations listed here.
FlightQ currently identifies 17 airlines serving 79 nonstop destinations from SAN.
Airlines add, pause, and retime routes seasonally. This page is built from FlightQ's current schedule capture, so use it for route research and confirm exact dates before booking.