St. Louis to Denver Award Flights
St. Louis to Denver, United States is a domestic or near-domestic award route served by 1 of the airlines AwardLocker tracks. Domestic premium cabin awards have the most flexible pricing — saver business is often available 1-2 weeks before departure if revenue loads are weak.
Airlines on STL → DEN
Sweet spots for St. Louis → Denver
The best redemption for this domestic or near-domestic route depends on which programs your points live in. Here are the most efficient uses of points across the airlines that fly it:
- United MileagePlus: United Polaris to Europe or Australia for 88K miles one-way
How to book St. Louis (STL) to Denver (DEN) on points
- Search live availability on AwardLocker for STL → DEN.
- Identify which program prices the segment lowest in your preferred cabin.
- Transfer credit card points (Chase, Amex, Capital One, Bilt, Citi) to that program if you don't already have a balance.
- Book directly on the airline's site — AwardLocker links you straight to the booking page.
- Set a saved-search alert to be notified when better space opens.
Programs that book STL → DEN
Cabin options on this route
- Economy
- United Polaris (business)
More from St. Louis (STL)
Frequently asked questions
How many miles is a flight from St. Louis to Denver in business class?
Business class award pricing on STL → DEN varies by program. Saver awards typically range from 45,000 to 95,000 points one-way depending on whether you book via a fixed chart (Alaska, Turkish, Avios) or a dynamic program (SkyMiles, MileagePlus).
Which credit card points transfer to airlines flying STL → DEN?
Chase Ultimate Rewards, Amex Membership Rewards, Capital One Miles, Bilt Rewards, and Citi ThankYou all transfer to at least one airline operating this route. AwardLocker shows the cheapest option per cabin in real time.
When should I book a St. Louis to Denver award flight?
Book as early as possible — most airlines release saver award space at schedule loading (~330 days before departure). A second wave often appears 2-4 weeks before departure. AwardLocker alerts notify you the moment new space opens.
Can I redeem points for first class from St. Louis to Denver?
Most carriers on this route do not operate a separate first class cabin. Business class is the top published cabin.
Search STL → DEN availability now
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