Routes/Boise, ID to San Diego, CA
Boise, ID to San Diego, CA
Average one-way fare in 2026 Q1: $186 · 749 nonstop miles · 442 passengers per day.
2026 Q1 fare$186
2025 Q1 fare$202
Change−$16
Passengers/day442
Distance749 mi
The average fare a year earlier (2025 Q1) was $202. The change is $16 lower (7.7%).
The largest carrier on this route in 2026 Q1 was Alaska with 55% of passengers. The lowest-fare carrier was Southwest with 39% of passengers, at an average fare of $179.
All quarters on this route
| Quarter | Passengers/day | Avg. fare | Largest carrier | Largest share | Lowest-fare carrier |
|---|---|---|---|---|---|
| 2024 Q1 | 343 | $218 | Alaska | 46% | Southwest |
| 2024 Q2 | 418 | $206 | Alaska | 49% | Delta |
| 2024 Q3 | 403 | $212 | Alaska | 53% | Southwest |
| 2024 Q4 | 425 | $211 | Alaska | 57% | Southwest |
| 2025 Q1 | 373 | $202 | Alaska | 47% | Southwest |
| 2025 Q2 | 438 | $184 | Southwest | 48% | Southwest |
| 2025 Q3 | 481 | $181 | Alaska | 47% | Southwest |
| 2025 Q4 | 494 | $181 | Alaska | 50% | Southwest |
| 2026 Q1 | 442 | $186 | Alaska | 55% | Southwest |