Glenn Maxwell (39) then played a fine cameo during his 65-run stand with D'Arcy Short (36 not out).
But questions are bound to be raised about Warner's relentless schedule after he lasted just four balls in Melbourne, nicking a ripping David Willey outswinger on two.
Sam Billings got off to a sluggish start, but exploded into life with a massive, 94m maximum - before being caught for a 23-ball 29 off the bowling of Billy Stanlake.
Earlier in the day, the toss once again went in favour of Warner who opted to bowl first. Lynn was once again beaten by the ball moving back into him first up, but this time saw the ball squirt away towards the off side rather than thudding into the stumps.
Mauricio Pochettino credits assistant Jesus Perez for Tottenham Hotspur form
Pochettino confirmed that he was anxious about the pitch, which he said "was not in a condition to play football ". After being held to a replay by Newport County , Spurs beat their lower league rivals 2-0 at Wembley.
Buttler felt that the batting has let England down in the match at the MCG where none of the top four were able to make a meaningful contribution. The pair found the boundary consistently in bringing down the target, taking a particularly heavy toll on Liam Dawson's flat left-arm spin. Andrew Tye was the other wicket-taker as Ashton Agar and Marcus Stoinis were also economical. In front of 42,691 fans here, the Australian worldwide summer was closed in style with a dominant seven-wicket win, with 33 balls to spare.
Morgan was a late omission after straining his right groin during training on Friday. Mark Wood was dropped.
Chris Jordan - 7/10 - Australia's batsmen took on all of England's bolwers, but Jordan made a couple of breakthroughs to disrupt their attack.
However, three wickets in the next three overs, ending with Warner brilliantly running out Dawid Malan (10) with a direct hit, stopped them in their tracks and they never recovered.
Alex Carey - 4/10 - Carey did not bat in Australia's innings, but took a catch to get the early wicket of Jason Roy.