Cheapest one-way flights from Denver to San Diego in May from $58

Best time to book flights for Denver (DEN) to San Diego (SAN) flights at AirHint

AirHint found the following cheapest one-way flights from Denver (DEN) to San Diego (SAN) in May 2025 (see full year).

One-Way flights

28 May Frontier Airlines direct
31 May Frontier Airlines direct
24 May Frontier Airlines direct
25 May Frontier Airlines direct
22 May Frontier Airlines direct
29 May Frontier Airlines direct
11 May Frontier Airlines
13 May Frontier Airlines
12 May Frontier Airlines
16 May Frontier Airlines direct

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

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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