Thanks to Goals by Ivan Toney and Emiliano Marcondes in the opening 20 minutes at Wembley sealed the victory for Brentford who will play in the top flight of English football next season for the first time in 74 years.
Swansea's Jay Fulton was sent off midway through the second half to put the result beyond doubt in what is widely regarded as football's single most lucrative game.
The Bees will welcome the likes of Manchester City, Manchester United and Liverpool to west London.
The Bees where Beaten by Fulham in last season's Championship final, after Failure to earn promotion in all nine of their play-off appearances before this term.
No team had lost more play-off finals than Brentford's four, but Frank had insisted the bad omens would count for nothing.
