Delta and Virgin Atlantic have round-trip flights from Dallas (DFW/DAL) to Madrid, Rome, Barcelona, London, Amsterdam, Valencia, Dublin, or Reykjavik (MAD, FCO, BCN, LHR, AMS, VLC, DUB, KEF) for $506-$525 with a connection. Flights are either between September and February or September and May, depending on the destination. 7-day minimum stay required.

These seem to have better connection times and routes than the previous AA/Oneworld sale.

Note: London is the most expensive destination in this list.

Read More Cheap Flights: Dallas to Madrid, Rome, Barcelona, London, Amsterdam, Valencia, Dublin, or Reykjavik $506-$644 r/t [Sep-Feb / Sep-May] – Delta / Virgin Atlantic

Delta and Virgin Atlantic have round-trip flights from Dallas (DFW/DAL) to Madrid, Dublin, Rome, or Amsterdam (MAD, DUB, FCO, AMS) for $499-$602, NONSTOP or with a connection. Flights October to February. 7-day minimum stay required.

Amsterdam is the most expensive fare in this group.

Read More Cheap Flights: Dallas to Madrid, Dublin, Rome, or Amsterdam $499-$602 r/t [October-March] – Delta / Virgin Atlantic

Delta and Virgin Atlantic have round-trip flights from Dallas (DFW/DAL) to Madrid, Dublin, or Venice (MAD, DUB, VCE) for $558-$570 with a connection. Flights October to February. Departures on Monday, Tuesday, and Wednesday. 7-day minimum stay required.

This is about a -$50 drop from when we mentioned these last week.

Read More Cheap Flights: Dallas to Madrid, Dublin, Venice $541-$640 r/t [October-February] – Delta / Virgin Atlantic