Denver → Chicago flights
Denver (APA, DEN)→Chicago (CGX, DPA, MDW, ORD, PWK, RFD)
from$138
Last observed price · Last checked: 11 Aug 2026 · Price may change
Selected search
Last checked: 11 Aug 2026 · Price may change
$138
Sat 5 Sep 2026 → Mon 7 Sep 2026
Frontier Airlines1 stop2 nights
CheapestLast checked: 11 Aug 2026 · Price may change
$138 lowest$221 average2h 41m fastest
Tickets found in the last 7 days
The lowest fares our queries caught, cheapest first.
FA$138Cheapest5 Sep 2026 → 7 Sep 2026Frontier Airlines · 1 stop · 09:55Last checked: 11 Aug 2026 · Price may change2 nightsView ticket →FA$14916 Sep 2026 → 17 Sep 2026Frontier Airlines · 1 stop · 20:55Last checked: 11 Aug 2026 · Price may change1 nightView ticket →FA$1854 Sep 2026 → 6 Sep 2026Frontier Airlines · 1 stop · 23:59Last checked: 11 Aug 2026 · Price may change2 nightsView ticket →FA$20728 Aug 2026 → 30 Aug 2026Frontier Airlines · 1 stop · 23:59Last checked: 11 Aug 2026 · Price may change2 nightsView ticket →FA$2763 Sep 2026 → 7 Sep 2026Frontier Airlines · 1 stop · 06:10Last checked: 11 Aug 2026 · Price may change4 nightsView ticket →FA$27721 Aug 2026 → 24 Aug 2026Frontier Airlines · 1 stop · 23:59Last checked: 11 Aug 2026 · Price may change3 nightsView ticket →FA$31315 Aug 2026 → 16 Aug 2026Frontier Airlines · 1 stop · 17:05Last checked: 11 Aug 2026 · Price may change1 nightView ticket →
Price calendar
Only prices we actually observed are shown, and days with no data are left empty. Click an empty day and we will search it for you.
September 2026
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Observed priceLowestno price observedLast checked: 11 Aug 2026
Denver → ChicagoSat 5 Sep 2026 · $138
Find flightsRoute facts
Direct flights
Non-stop
APA - CGX, 2h 41m
Airlines seen
1
Frontier Airlines
Cheapest month
September 2026
$138
Average observed
$221
Typical duration
2h 41m
Alternative airports
6
DEN, DPA, MDW, ORD, PWK, RFD
Frequently asked
Are there direct flights from Denver to Chicago?+−
Yes. We have seen non-stop flights on this route, flown by American Airlines, Frontier Airlines, Spirit Airlines, United Airlines, Southwest Airlines.
How much is a flight from Denver to Chicago?+−
The lowest fare we have observed is $138, found on 11 Aug 2026. Prices move, so read it as a floor rather than a quote.
Which airlines fly from Denver to Chicago?+−
These are the carriers we have seen on the route: Frontier Airlines.
When is the cheapest month to fly from Denver to Chicago?+−
In our observations September 2026 is the cheapest month so far, at $138.
Similar routes
Last checked: 11 Aug 2026