Flights San Diego → Denver

One way · Economy · 1 adult · price per person · next 14 days from September 10, 2026

Last observed price on Aviasales for 3 of 15 dates; the lowest is $147. Prices are not guaranteed and are confirmed at booking time.

Last observed price by date

Date	Last observed price	Flight	Departure	Arrival	Stops
Thu, Sep 10	—	—	—	—	—
Fri, Sep 11	—	—	—	—	—
Sat, Sep 12	$299	Frontier Airlines F93383 (1st of 3 flights)	1:38 PM San Diego (SAN)	8:15 AM (+2) Denver (DEN)	2 stops · San Francisco International, Dallas/Fort Worth
Sun, Sep 13	—	—	—	—	—
Mon, Sep 14	—	—	—	—	—
Tue, Sep 15	$147lowest	Frontier Airlines F91466 (1st of 2 flights)	5:54 PM San Diego (SAN)	11:44 PM Denver (DEN)	1 stop · Las Vegas Harry Reid
Wed, Sep 16	—	—	—	—	—
Thu, Sep 17	—	—	—	—	—
Fri, Sep 18	—	—	—	—	—
Sat, Sep 19	—	—	—	—	—
Sun, Sep 20	$156	Frontier Airlines F91326 (1st of 2 flights)	9:03 PM San Diego (SAN)	10:07 AM (+1) Denver (DEN)	1 stop · Las Vegas Harry Reid
Mon, Sep 21	—	—	—	—	—
Tue, Sep 22	—	—	—	—	—
Wed, Sep 23	—	—	—	—	—
Thu, Sep 24	—	—	—	—	—

Price not guaranteed: it is confirmed on Aviasales at booking time. How it works

San Diego, United States (SAN, city code)

San Diego International (SAN).

Denver, United States (DEN, city code)

Denver International (DEN).

FromToDeparture date