The 27-year-old, who has just 12 months remaining on his current deal at St James' Park, is eager to make the switch and has already agreed personal terms with Leeds.
Despite Longstaff's desire to join the Elland Road outfit, Newcastle are holding firm. The midfielder endured a frustrating 2024/25 campaign, failing to start a single Premier League match after January and making just 12 starts across all competitions.
Leeds have now tabled three offers this summer, the most recent submitted earlier this week.
With Newcastle unwilling to accept the 12-million-pound package, Leeds must now weigh their options - either increase their bid or turn attention elsewhere.
Hoffenheim's Anton Stach has been identified as a potential alternative. The club had previously targeted Habib Diarra and Noah Sadiki, but both opted to join Championship rivals Sunderland.
Meanwhile, Newcastle are closing in on their first signing of the summer. Anthony Elanga has completed his medical ahead of a 52-million-pound move from Nottingham Forest, with confirmation expected within 24 hours.
The former Manchester United winger will bring pace and creativity to Eddie Howe's side as they look to reshape their squad.
Liverpool's pursuit of Newcastle United's star striker Alexander Isak has hit a roadblock, with the Reds stepping back from a second bid after their initial offer was turned down.
Newcastle United's star striker Alexander Isak is at the center of a transfer storm, with reports suggesting he's ready to force a move to Liverpool this European summer.
Liverpool are accelerating their transfer plans to replace Luis Diaz, who sealed a 65 million pounds move to Bayern Munich, with Lyon’s electrifying winger Malick Fofana emerging as a prime target.
Newcastle United have firmly rejected speculation surrounding Alexander Isak's potential transfer to Liverpool, with the club's owners, the Public Investment Fund (PIF), insisting the striker will remain at St James' Park.
