Cheapest one-way flights from Denver to San Diego in March from 16€

AirHint found the following cheapest one-way flights from Denver (DEN) to San Diego (SAN) in March 2026 (see full year).

One-Way flights

09 Mar Frontier Airlines direct
02 Mar Frontier Airlines direct
01 Mar Frontier Airlines direct
08 Mar Frontier Airlines direct
03 Mar Frontier Airlines direct
04 Mar Frontier Airlines direct
06 Mar Frontier Airlines direct
19 Mar Frontier Airlines direct
14 Mar Frontier Airlines direct
25 Mar Frontier Airlines direct

Also check the deals for return flights from Denver to San Diego in March.

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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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