Finnair has flights from Dallas (DFW) to Paris for $390-$425, NONSTOP. Flights January to May. 7-day minimum stay required. Flight may operate as a American/British Airways code-share.
Note: Fare allows for a free carry-on bag, but checked bags will cost about +$60 each-way.
Read More Nonstop Flights: Dallas to Paris $390-$425 r/t – Finnair