Flights from Denver to Chicago
Nonstop options and typical one-way fares by airline.
Typical fares by airline
| Airline | Route | Typical one-way fare* |
|---|---|---|
| Frontier Airlines | DEN → ORD | $91.52 |
| Southwest Airlines | DEN → MDW | $158.94 |
| American Airlines | DEN → ORD | $162.07 |
| United Airlines | DEN → ORD | $226.11 |
*Historical average incl. taxes and fees (2025 Q2 (Apr-Jun 2025)); not a live quote.
Frequently asked questions
Which airlines fly nonstop from Denver to Chicago?+
Frontier Airlines, Southwest Airlines, American Airlines, United Airlines.
What is the lowest typical fare?+
The lowest historical average one-way fare in our data is $91.52 on Frontier Airlines (2025 Q2 (Apr-Jun 2025)). Actual fares vary.
Can an agent book this for me?+
Yes, call +1-800-000-0000.