Delta has round-trip flights from Houston (IAH) to Amsterdam or Paris (AMS, CDG) for $537, NONSTOP. Amsterdam flights October, November, December, and February. Paris flights October to March. Extended weekends available. No Christmas dates available.
A Carry-on bag and also a personal item is allowed for free on Delta. You can avoid paying for seat selection by accepting the randomly assigned seat at the gate.
Fares to Europe have been at a low level for the past 3 weeks. We’re tracking all of the fares under $580 in our previous post (link to post).
Click for more details and booking links Nonstop Flights: Houston to Amsterdam or Paris $537 r/t [Oct-Dec, Feb / Oct-Mar] (No Christmas) – Delta