Cheapest return flights from Tucson to San Diego in April from $248

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

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

Return flights

22 Apr - 24 Apr Southwest Airlines direct
22 Apr - 24 Apr Delta
28 Apr - 01 May Southwest Airlines direct
16 Apr - 22 Apr Frontier Airlines
19 Apr - 23 Apr Southwest Airlines
17 Apr - 22 Apr Southwest Airlines
17 Apr - 21 Apr Southwest Airlines
02 Apr - 09 Apr Frontier Airlines
10 Apr - 16 Apr Southwest Airlines
10 Apr - 17 Apr Southwest Airlines
06 Apr - 13 Apr American Airlines

Also check the deals for one-way 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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