The cheapest Paris Orly to Chiang Mai return flight on the radar right now is €2,189, flying with Iberia + China Southern + Malaysia Airlines + British Airways via one or more connections. It covers departures in November 2026, and every dated link below opens that exact ORY–CNX search on Skyscanner. At 56% under the €5,023 we normally record here, it is one of the strongest ORY–CNX fares in our index. Across 55 recorded checks it has ranged between €534 and €9,559. Our sampling points to November 2026 as the cheapest month to fly Paris Orly to Chiang Mai.
Prices are re-checked against Skyscanner automatically, and every one shows when it was last confirmed, so nothing here is older than it looks. Not flying from Paris Orly? We track 51 other departure cities for Chiang Mai, listed at the foot of this page.
Prices like this tend to vanish fast. If it has gone when you look, try the days either side of the dates above, since Paris Orly to Chiang Mai is often still worth booking within a day or two of the fare we found.