[02/21/2017 @ 5:01 PM] Old post clean-up. Fare gone. Removing from deal list.
Lufthansa has round-trip flights from Dallas (DFW) to Budapest (BUD) / Bucharest (OTP) / Sofia (SOF) for $459-$504, with a connection. Flights February to April.
Note: It’s possible to book this for a bit cheaper if you needlessly complicate your itinerary by adding extra stops.