The cheapest Paris to Los Angeles return flight on the radar right now is €489, flying with WestJet via one or more connections. It covers departures in March 2027, and every dated link below opens that exact CDG–LAX search on Skyscanner. That is roughly 14% below the €570 this route usually costs. Across 100 recorded checks it has ranged between €387 and €667. Our sampling points to March 2027 as the cheapest month to fly Paris to Los Angeles.
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? We track 62 other departure cities for Los Angeles, 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 to Los Angeles is often still worth booking within a day or two of the fare we found.