Patrick Mahomes going up against Tom Brady is a prospect that should lead to a "heck of a football game" at Super Bowl LV, says Kansas City Chiefs coach Andy Reid.

The legendary Brady led the Tampa Bay Buccaneers to the showpiece in his first season with the team as they overcame the Green Bay Packers 31-26 in the NFC Championship Game.

Later on Sunday, superstar quarterback Mahomes guided the Chiefs to a second consecutive Super Bowl in a 38-24 triumph over the Buffalo Bills.

The thought of Brady, considered by many as the greatest QB of all time after winning six rings with New England Patriots, going up against Mahomes is an exciting one, not least for Chiefs coach Reid.

"Yeah, it seems like we've had a couple of those [Mahomes v Brady games] and every one of them is tremendous," Reid told reporters.

"I wouldn't expect this to be different, they got a tremendous team there. Those two have a lot of respect for each other, I remember when Tom came into the locker room after the championship game and spoke to Patrick, and Patrick responded like any young man would respond to the GOAT.

"We look forward to the opportunity to play, I know Pat does with Tom and I'm sure likewise Tom does with Pat. It should be a heck of a football game."

Mahomes completed 29 of 38 passes for 325 yards and three touchdowns against the Bills and joined Kurt Warner, Brady and Russell Wilson as the only quarterbacks to reach the Super Bowl twice in their first four NFL seasons.

If the Chiefs are victorious, Mahomes will join Brady as the only QBs to win it twice in that span.

Asked what such achievements say about Mahomes, Reid replied: "You guys have seen him grow right in front of you.

"You're seeing the steps he's taking. I sit there, and I'm an old guy who's seen a lot of pretty good quarterbacks, and I sit there and think this guy seems to amaze me a little bit more every game.

"I'm proud of the way he handles it most of all. You guys aren't writing stories about this guy has a big head or this and that.

"He's not showing people up. No, he's about the team, he's all in, he works his tail off, he does it the right way, which is important for the longevity of his career and for the success of the Kansas City Chiefs and now for the Super Bowl."

Mahomes entered the game on the back of suffering a concussion in the Divisional Round win over the Cleveland Browns, and with question marks over a nasty-looking toe injury.

Reid added: "Listen, he came out and he practiced and did a great job all week.

"It was a limited basis early with the protocol he had to deal with, he kept positive with it, stayed positive with every part whether that was with the toe or head.

"I thought he and the trainers had a great plan for his toe. It was an amazing looking thing after the last game and how black and blue it was."

Reid said the magnitude of reaching back-to-back Super Bowls had not quite sunk in yet.

"I will [reflect] when I get about two seconds to sit down, I'm gonna sit there and I'm gonna go 'Dog darn, how about that?'" Reid added.

"But we got some work we gotta get done. We understand that, the guys understand that."