The original Frontier traces its lineage to the old Monarch Airlines which was formed back in 1946; for the next 40 years, Frontier was known as "Denver's hometown airline". Ultimately, the financially troubled carrier was taken over,
Frontier Sales and Deals
Frontier does not have regular sales with the precision of, say, Southwest and its Click 'N Save deals, but when Frontier Airlines Deals does have a sale, it's often a good one. Recent sales included fare specials complete with free checked bags, and other featuring one-way flights as low as (not including taxes and fees)