Wild celebrations erupted from a corner of the South Stand as referee Kevin Friend blew his final whistle in Falmer.
And the Clarets, with boss Sean Dyche in tow, wasted no time in joining them to mark a vital three points.
Both Wout Weghorst and Josh Brownhill scored their first Premier League goals for the Clarets to give the visitors the advantage at the interval.
Aaron Lennon rounded things off with a stunning strike late on to secure secure the club’s first win on the road in nine months.
The victory — Burnley‘ s first in 12 games — lifted Sean Dyche’s side off the foot of the table at the expense of Norwich City.
1. Gbamin attracting interest
CSKA Moscow want to sign Everton’s Jean-Philippe Gbamin in the coming days. (Metaratings) (Photo by Jon Super - Pool/Getty Images)
2. Alvarez on Palace radar
Crystal Palace are reportedly interested in Ajax midfielder Edson Alvarez, who was a target for Tottenham last year. (The Sun) (Photo by Emilee Chinn/Getty Images)
3. Lampard weighs up Gallagher swoop
Everton are interested in signing Conor Gallagher next summer, with manager Frank Lampard likely to use his influence with Chelsea. (TEAMtalk) (Photo by Ryan Pierse/Getty Images)
4. Villa plot Gomez raid
Steven Gerrard has made Liverpool star Joe Gomez his number one priority ahead of the summer window as he plots another Aston Villa signing. (Football Insider) (Photo by Nick Taylor/Liverpool FC/Liverpool FC via Getty Images)