Cheapest one-way flights from Denver to San Diego in August from $60

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 August 2025 (see full year).

One-Way flights

19 Aug Frontier Airlines direct
20 Aug Frontier Airlines direct
27 Aug Frontier Airlines direct
13 Aug Frontier Airlines direct
12 Aug Frontier Airlines direct
21 Aug Frontier Airlines direct
07 Aug Frontier Airlines direct
14 Aug Frontier Airlines direct
11 Aug Frontier Airlines direct
10 Aug Frontier Airlines direct

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

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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