Cheap flights from Denver to Chicago

from as little as £248

7 nights in Chicago, departing Denver on 03 / Sep / 2025 with Alaska Airlines (price found 52 hours ago)

Subject to availability, prices correct of the last 24 hours
Chicago

The Denver / Chicago route

All 1438 km of it

Cheap flight deals for this route

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Chicago flight facts

What you need to know

Alternative flights from the UK to Chicago

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Alternative flights from Denver to Chicago

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Chicago

03 / Sep / 2025 is currently the lowest priced day of the year to fly the Denver/Chicago route. There are around 19 flights on any given week from the UK to Chicago and the cheapest month to fly right now is September.

Not suitable? Try running another search or viewing all cheap flight deals.

Key facts about Chicago

How to get cheap flights from Denver to Chicago

Tips and advice from our flight experts

Your flight from Denver to Chicago should take about 8 hrs 30 mins. We've gone through all 19 of the weekly flights to or via Chicago, operated by three airlines, to help you compare flight prices and times. At the moment, the cheapest flight is £248.

Or, if you're fairly flexible on dates, try to get a last minute-deal by regularly checking the Netflights website.

Chicago actually has one airports – but Chicago O'hare International Airport is normally the cheapest one to fly into. If you're not sure who to fly with from Denver, you might like to know that Alaska Airlines is the most popular airline for this route.

If you can’t find flights that suit you, consider flying to another part of the USA.

Other popular destinations near Chicago

Where other people are flying to

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