Fare alert: $351 to $365 round trip on American Airlines for New York to Paris winter travel from January 17 to March 31. Lowest fares are AA nonstop JFK to Paris CDG and return on FinnAir via Helsinki. There are fares at $357 for American nonstop both directions on some dates.
Delta JFK-Paris is at $385 to $395 round trip and United/Star Alliance is $465-$470 from Newark EWR.
American Airlines New York JFK – Paris CDG
Delta Airlines New York JFK – Paris CDG
This itinerary is Delta outbound and Air France back. There are options at same price to fly Delta or Air France both ways.
These fares found at 6:30am ET Oct 19. They probably will rise by mid-day. Fares in the $300s to Europe don’t tend to hang around too long.