Best layover combinations
Air France via CDG: smoothest (10h30 total, 1h30 connection). €550–700 return to JFK or EWR.
KLM via Amsterdam: good price/time (11h15). Often €30–50 cheaper than Air France.
British Airways via London-Heathrow: sometimes tricky connection (2 terminals). Aggressive JFK fares (from €429).
French Bee: only from Paris Orly — combine with a Transavia MRS-ORY (from €39). Total from €399 to Newark.