Routes/San Antonio, TX to San Diego, CA

San Antonio, TX to San Diego, CA

Average one-way fare in 2026 Q1: $290 · 1129 nonstop miles · 345 passengers per day.

2026 Q1 fare$290
2025 Q1 fare$279
Change+$12
Passengers/day345
Distance1129 mi

The average fare a year earlier (2025 Q1) was $279. The change is $12 higher (4.2%).

The largest carrier on this route in 2026 Q1 was Southwest with 59% of passengers. The lowest-fare carrier was American with 24% of passengers, at an average fare of $265.

All routes from San Antonio, TX · All routes from San Diego, CA

All quarters on this route

QuarterPassengers/dayAvg. fareLargest carrierLargest shareLowest-fare carrier
2024 Q1344$268Southwest61%Southwest
2024 Q2430$266Southwest68%American
2024 Q3405$260Southwest72%Southwest
2024 Q4392$274Southwest75%Frontier
2025 Q1310$279Southwest74%Frontier
2025 Q2395$258Southwest71%Southwest
2025 Q3387$259Southwest72%Southwest
2025 Q4397$275Southwest70%American
2026 Q1345$290Southwest59%American

Source: U.S. Department of Transportation, Consumer Airfare Report Table 1, 2026 Q1. Figures are average one-way fares paid, including taxes and fees, for the quarter shown. Record: city markets 33214 and 33570; U.S. Department of Transportation, Domestic Airline Consumer Airfare Report, Table 1: top 1,000 contiguous-state city-pair markets (average one-way fare, passengers per day, largest carrier, lowest-fare carrier). Fetched 2026-09-27T00:40:04Z. Source data.