Cheapest one-way flights from Tucson to San Diego in May from $80
AirHint found the following cheapest one-way flights from Tucson (TUS) to San Diego (SAN) in May 2025 (see full year).
One-Way flights
| 08 May | Frontier Airlines | ||
| 07 May | American Airlines | ||
| 07 May | Southwest Airlines | direct | |
| 10 May | Southwest Airlines | direct | |
| 08 May | Southwest Airlines | direct |
Also check the deals for return flights from Tucson to San Diego in May.
The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.
