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

Return flights

28 Sep - 07 Oct	Jeju Air
24 Sep - 01 Oct	Vietnam Airlines
25 Sep - 29 Sep	VietJet Air
26 Sep - 29 Sep	VietJet Air
23 Sep - 29 Sep	Jeju Air
22 Sep - 29 Sep	Jeju Air
25 Sep - 01 Oct	Vietnam Airlines
25 Sep - 28 Sep	Jeju Air
25 Sep - 30 Sep	Jeju Air
27 Sep - 30 Sep	Jeju Air
23 Sep - 25 Sep	VietJet Air
22 Sep - 25 Sep	VietJet Air
28 Sep - 01 Oct	Jeju Air
18 Sep - 29 Sep	Jeju Air

Also check the deals for one-way flights from Tokyo 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.

Book a cheap hotel in Vientiane

Cheap car rent in Vientiane

Cheapest return flights from Tokyo to Vientiane in September from $501

Return flights