AirHint found the following cheapest return flights from Denver (DEN) to Paris (CDG) in September 2026 (see full year).

Return flights

08 Sep - 15 Sep	Scandinavian Airlines
03 Sep - 12 Sep	Turkish Airlines
03 Sep - 10 Sep	Turkish Airlines
15 Sep - 01 Oct	Turkish Airlines
22 Sep - 01 Oct	Turkish Airlines
22 Sep - 29 Sep	Turkish Airlines
04 Sep - 13 Sep	Aer Lingus
21 Sep - 30 Sep	Icelandair
03 Sep - 10 Sep	Air France	direct
15 Sep - 01 Oct	Air France	direct
08 Sep - 15 Sep	Air France	direct
22 Sep - 29 Sep	Delta	direct
22 Sep - 01 Oct	Delta	direct

Also check the deals for one-way flights from Denver 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 Denver to Paris in September from $683

Return flights