United and Alliance partners have round-trip flights from Dallas (DFW) to Madrid (MAD) or Barcelona (BCN) starting at $331 with a connection. Flights November to March. Flight may operate as a Lufthansa/Air Canada code-share. Holiday blackouts apply. 7-day minimum stay required.
Note: Fare allows for a free carry-on, but a checked bag will cost about +$60 each-way.