Cheap flights from Chicago-O'Hare to Denver
Cheap return flights from Chicago-O'Hare to Denver
Find the best deals
All prices shown are per person based on return flights only. Prices found in the last 48 hours.
Denver flight facts
What you need to know
What are the cheapest airlines?
- Spirit Airlines
- Frontier Airlines
- United Airlines
These airlines usually offer the cheapest flights from Chicago-O'Hare to Denver.
What airlines fly indirectly?
- American Airlines
- Delta Air Lines
- Southwest Airlines
These airlines fly from Chicago-O'Hare to Denver, but you’ll have at least one layover.
How long is the flight?
2 hours 15 minutes
This is the shortest flight time from Chicago-O'Hare to Denver.
Alternative flights from the UK to Denver
Check out prices for other routes
Alternative flights from Chicago-O'Hare
You might find cheaper flights nearby
Today alone, Netflights has searched over five flights. 05 / Feb / 2026 is currently the lowest priced day of the year to fly the Chicago-O'Hare/Denver route. There are around 35 flights on any given week from the UK to Denver and the cheapest month to fly right now is February. Not suitable? Try running another search or viewing all cheap flight deals.
How to get cheap flights from Chicago-O'Hare to Denver
Tips and advice from our flight experts
You've searched for flights from Chicago-O'Hare to Denver. We've found 50 flights and compared them to give you the best offer. Spirit Airlines is, on average, the cheapest for this route. Look out for them! The cheapest offer we've found is a one way ticket for the route from Chicago-O'Hare to Denver on 06/03/2026 at 22:00 for £62.
We've scanned hundreds of airfares from dozens of airlines across the globe. In total, we've found 10 airlines that operate the 1,600 km flight from Chicago-O'Hare to Denver.
To find the best offers, consider booking 1-3 months in advance or look for last-minute deals. Spirit Airlines is a popular and cheap option for this route, with an average flight duration of 2 hours 15 minutes. After selecting an offer, fill out your information and proceed to payment. Don't forget to book a hotel with us or use our flight + hotel service to save time and money!
Other popular destinations near Denver
Where other people are flying to
