Luongo, who missed two weeks earlier this month with a knee injury, set up Luke Freeman to find the back of the net but it wasn't enough as QPR went down 2-1.
QPR coach Ian Holloway replaced Luongo in the 87th minute as his side pushed forward to snatch an equaliser.
It has been back to back strong performances from Luongo who is sure to be a player on the mind of new Australia coach Bert van Marwijk.
The loss means QPR drop to 15th position on the ladder.
Socceroos captain Mile Jedinak had better luck with his Aston Villa side snatching a 1-1 draw with Preston North End at Villa Park.
Jedinak started the match in his preferred defensive midfield postion for the Villans and played the entire match.
Villa remain in contention for promotion in third position, only one point behind second placed Cardiff City.
Jackson Irvine was a starter for Hull City in their 3-1 loss to Middlesbrough.
The energetic midfielder played the full match but was unable to make an impact as Boro secured a one sided victory.
Hull City remain on the cusp of relegation in 21st position ahead of Burton only on goal difference.
Tim Cahill was an unused substitute for Millwall as they clinched a 2-1 win against Sheffield United at the Den.
The result stretches Millwall's unbeaten run at home to eleven games.
In India, Erik Paartalu scored a screamer for Bengaluru FC in their AFC Cup 5-1 second leg match against Maldives club TC Sports.
The former Melbourne City and Brisbane Roar enforcer fired the ball into the top right corner from 30 yards out during an impressive performance.