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

Return flights

11 Sep - 24 Sep	Saudia
22 Sep - 07 Oct	Saudia
25 Sep - 09 Oct	Saudia
23 Sep - 30 Sep	Saudia
01 Sep - 08 Sep	Saudia
30 Sep - 23 Oct	Saudia
19 Sep - 24 Sep	Saudia
25 Sep - 08 Oct	Saudia
02 Sep - 23 Sep	Saudia
17 Sep - 01 Oct	Saudia
08 Sep - 18 Sep	Saudia
05 Sep - 18 Sep	Saudia
06 Sep - 20 Sep	China Eastern
22 Sep - 05 Oct	easyJet
15 Sep - 15 Oct	China Southern

Also check the deals for one-way flights from Paris to Vientiane 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 Paris to Vientiane in September from $789

Return flights