Cheapest one-way flights from Denver to San Diego in June 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 June 2025 (see full year).

One-Way flights

14 Jun Frontier Airlines direct
10 Jun Frontier Airlines direct
11 Jun Frontier Airlines direct
12 Jun Frontier Airlines direct
09 Jun Frontier Airlines direct
13 Jun Frontier Airlines direct
15 Jun Frontier Airlines direct
05 Jun Frontier Airlines direct
16 Jun Frontier Airlines direct
02 Jun Frontier Airlines

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

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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