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Results refresh when you open or revisit this page. Last snapshot: Jul 18, 2026.

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Cheapest one-way flights from Denver (DEN) to Los Angeles (LAX), September

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Dates, airline, and price
Dates	Airline	Price
06 Sep	Frontier Airlines Direct Flight
11 Sep	Frontier Airlines Direct Flight
01 Sep	Frontier Airlines Direct Flight
10 Sep	Frontier Airlines Direct Flight
08 Sep	Frontier Airlines Direct Flight
09 Sep	Frontier Airlines Direct Flight
21 Sep	Frontier Airlines Direct Flight
29 Sep	Frontier Airlines Direct Flight
30 Sep	Frontier Airlines Direct Flight
15 Sep	Frontier Airlines Direct Flight

deals for return flights from Denver to Los Angeles in September.

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Updated Jul 18, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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Cheapest one-way flights from Denver (DEN) to Los Angeles (LAX), September

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