Cheapest return flights from San Francisco to Ljubljana in September from $830

Best time to book flights for San Francisco (SFO) to Ljubljana (LJU) flights at AirHint

AirHint found the following cheapest return flights from San Francisco (SFO) to Ljubljana (LJU) in September 2025 (see full year).

Return flights

24 Sep - 01 Oct British Airways
15 Sep - 22 Sep British Airways
16 Sep - 23 Sep British Airways
22 Sep - 29 Sep British Airways
13 Sep - 20 Sep British Airways
23 Sep - 30 Sep Hawaiian Airlines
21 Sep - 28 Sep British Airways
12 Sep - 19 Sep British Airways
29 Sep - 06 Oct Frontier Airlines
20 Sep - 27 Sep British Airways
14 Sep - 21 Sep Turkish Airlines

Also check the deals for one-way flights from San Francisco to Ljubljana 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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