L.L. Bean offers the L.L. Bean Men's Bean's 1912 Khakis in Khaki for $29.99 with free shipping. That's a savings of $20 off list and the lowest total price we could find. They're available in sizes 30" to 44" and 29" to 34".
If you're at least 62 years old, you can score a $10 lifetime pass to America's federal parks and recreational lands. But act quickly because fees are about to jump.