Cheapest one-way flights from Atlanta to San Jose in September from $131

AirHint found the following cheapest one-way flights from Atlanta (ATL) to San Jose (SJO) in September 2025 (see full year).

One-Way flights

15 Sep Spirit Airlines
23 Sep Spirit Airlines
25 Sep Spirit Airlines
24 Sep Spirit Airlines
02 Sep Spirit Airlines
13 Sep Spirit Airlines
10 Sep Spirit Airlines
18 Sep Spirit Airlines
12 Sep Spirit Airlines
11 Sep Spirit Airlines

Also check the deals for return flights from Atlanta to San Jose in September.

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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