Cheapest one-way LAX–PHX flights, September

AirHint found the following cheapest one-way flights from Los Angeles (LAX) to Phoenix (PHX) in September 2026 (see full year).

One-Way flights

07 Sep Frontier Airlines direct
08 Sep Frontier Airlines direct
30 Sep United direct
09 Sep United direct
15 Sep United direct
11 Sep Frontier Airlines direct
12 Sep United direct
18 Sep Southwest Airlines direct
10 Sep United direct
13 Sep United direct

Also check the deals for return flights from Los Angeles to Phoenix in September.

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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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