AirHint found the following cheapest return flights from Phoenix (PHX) to Paris (CDG) in September 2025 (see full year).

Return flights

05 Sep - 12 Sep	Frontier Airlines
02 Sep - 11 Sep	Air France	direct
10 Sep - 20 Oct	British Airways
16 Sep - 23 Sep	Air France	direct
04 Sep - 11 Sep	Air France	direct
01 Sep - 08 Sep	Air France	direct
07 Sep - 14 Sep	Air France	direct
22 Sep - 29 Sep	Air France	direct
25 Sep - 02 Oct	Air France	direct
28 Sep - 05 Oct	Air France	direct
20 Sep - 04 Oct	Delta
19 Sep - 26 Sep	Air France
13 Sep - 20 Sep	Air France	direct

Also check the deals for one-way flights from Phoenix to Paris in September.

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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Cheapest return flights from Phoenix to Paris in September from 502€

Return flights