FFL Helper / Denver / St Louis

DEN → STL

Denver (DEN) to St Louis (STL)

Compare one-way fares for flights from Denver to St Louis.

Lowest fare $105

Distance 795 mi

Flight time 5h 35m

Airports DEN–STL

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By month: October 2026 from $209 · November 2026 from $105

Price calendar

October 2026

From $209

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25 $209

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November 2026

From $105

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22 $105

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Upcoming dates

St Louis STL

$105

Nov 22, 6:00pm · 5h 35m · 1 stop

DEN → STL · Southwest Airlines

Tickets

About this route

This calendar shows dated one-way fares from Denver to St Louis. Use it to see which days are cheaper before you search tickets.

Flight time and airport codes on this page are for the sample itinerary we have on file. Always confirm the live routing when you book Denver to St Louis.