Cheapest return flights from Denver to San Diego in February from $37

AirHint found the following cheapest return flights from Denver (DEN) to San Diego (SAN) in February 2026 (see full year).

Return flights

21 Feb - 24 Feb Frontier Airlines direct
24 Feb - 27 Feb Frontier Airlines direct
06 Feb - 11 Feb Frontier Airlines direct
02 Feb - 09 Feb Frontier Airlines direct
02 Feb - 06 Feb Frontier Airlines direct
21 Feb - 28 Feb Frontier Airlines direct
25 Feb - 28 Feb Frontier Airlines direct
02 Feb - 03 Feb Frontier Airlines direct
07 Feb - 10 Feb Frontier Airlines direct
03 Feb - 06 Feb Frontier Airlines direct
23 Feb - 02 Mar Frontier Airlines direct
21 Feb - 02 Mar Frontier Airlines direct
26 Feb - 05 Mar Frontier Airlines direct
28 Feb - 07 Mar Frontier Airlines direct
28 Feb - 01 Mar Frontier Airlines direct
27 Feb - 08 Mar Frontier Airlines direct
27 Feb - 09 Mar Frontier Airlines direct
27 Feb - 10 Mar Frontier Airlines direct
27 Feb - 02 Mar Frontier Airlines direct
22 Feb - 01 Mar Frontier Airlines direct

Also check the deals for one-way flights from Denver to San Diego in February.

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