Cheapest one-way flights from Tucson to San Diego in April from $85

Best time to book flights for Tucson (TUS) to San Diego (SAN) flights at AirHint

AirHint found the following cheapest one-way flights from Tucson (TUS) to San Diego (SAN) in April 2025 (see full year).

One-Way flights

27 Apr Frontier Airlines
29 Apr American Airlines
30 Apr American Airlines
29 Apr Southwest Airlines direct
30 Apr Southwest Airlines direct
21 Apr Frontier Airlines
28 Apr Southwest Airlines direct
25 Apr Southwest Airlines direct
25 Apr American Airlines
26 Apr Southwest Airlines direct

Also check the deals for return flights from Tucson to San Diego in April.

Skyscanner

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.

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