Cheapest one-way flights from Denver to San Diego in July from $64

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 July 2025 (see full year).

One-Way flights

15 Jul Frontier Airlines direct
08 Jul Frontier Airlines direct
26 Jul Frontier Airlines direct
12 Jul Frontier Airlines direct
25 Jul Frontier Airlines direct
10 Jul Frontier Airlines direct
11 Jul Frontier Airlines direct
09 Jul Frontier Airlines direct
28 Jul Frontier Airlines direct
14 Jul Frontier Airlines direct

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

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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