No airline flies Tijuana → San Diego nonstop in picktheflight's data. Nearest nonstop: San Diego (SAN) → Los Angeles (LAX) with Delta Air Lines and United Airlines (SAN is 30 km away, LAX is 176 km away).
Data built 2026-10-12 from airline schedule tables. Schedules change. Confirm the flight on the airline's own site before booking. Machine-readable: JSON · Markdown · intents.md
An AI assistant can ask picktheflight who flies a route nonstop, or where you can fly nonstop from a city, and get the airlines back as data (the intents.md protocol), each with the airline's own booking link.