Deal found on July 13, 2026
Chicago to Denver
$110$25557% off
Round trip
ORD to Denver is just $110 roundtrip on Frontier, down from a typical $265 on this route. Denver is an easy long weekend for hiking, breweries, and mountain access, and it's a nonstop hop. At under half the usual fare, this is one of the cheapest domestic prices we've tracked out of Chicago in weeks.
Travel dates
Nov 2 to Nov 11
Date options
13 at this price
Lowest we've seen
$57
Get deals like this from Chicago
Free email alerts when we find a fare worth booking. No spam.