For a $65 ticket, it wants 25,000 miles.
For a $165 ticket it offers:
$100 off = 10,000 miles + $65
$165 off = 25,000 miles
For $210 ticket
$100 off = 10,000 miles + $110
$210 off = 25,000 miles
For $289 ticket:
$100 off = 10,000 miles + $189
$150 off = 15,000 miles + $139
$200 off = 20,000 miles + $89
$250 off = 25,000 miles + $39
$289 off = 30,000 miles
For $300.19 ticket
$100 off = 10,000 miles + $200.19
$150 off = 15,000 miles + $150.19
$200 off = 20,000 miles + $100.19
$250 off = 25,000 miles + $50.19
$300 off = 30,000 miles + $00.19
$300.19 off = 35,000 miles