To save on the cost of your flight from St. Louis to Colorado, book at least 28 days before your planned departure. Booking around this time can save you about 68% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $134 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $281.
Flights from St. Louis to Colorado lean towards being more expensive in December. Prices are generally better when you fly from St. Louis to Colorado in October, with the cheapest ticket starting at $40.
When flying from St. Louis to Colorado, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Fly from
Fly to
Budget
$47 - $176
Route
Depart
Return
Price
Lambert-St LouisDenver Intl
STL - DEN
STLDEN
Lambert-St Louis
Wed 8/14
Nonstop2h 28m
Denver Intl
Sat 8/17
Nonstop2h 11m
Lambert-St LouisDenver Intl
STL - DEN
STLDEN
Lambert-St Louis
Wed 9/18
Nonstop2h 28m
Denver Intl
Sat 9/28
Nonstop2h 11m
Lambert-St LouisDenver Intl
STL - DEN
STLDEN
Lambert-St Louis
Wed 9/18
Nonstop2h 28m
Denver Intl
Wed 9/25
Nonstop2h 11m
Lambert-St LouisDenver Intl
STL - DEN
STLDEN
Lambert-St Louis
Sat 9/21
Nonstop2h 28m
Denver Intl
Wed 9/25
Nonstop2h 11m
Lambert-St LouisDenver Intl
STL - DEN
STLDEN
Lambert-St Louis
Wed 9/18
Nonstop2h 28m
Denver Intl
Thu 9/19
Nonstop2h 07m
Lambert-St LouisDenver Intl
STL - DEN
STLDEN
Lambert-St Louis
Tue 7/2
Nonstop2h 29m
Denver Intl
Tue 7/9
Nonstop2h 06m
Lambert-St LouisDenver Intl
STL - DEN
STLDEN
Lambert-St Louis
Sat 6/29
Nonstop2h 30m
Denver Intl
Thu 7/4
1 stop14h 39m
Lambert-St LouisDenver Intl
STL - DEN
STLDEN
Lambert-St Louis
Sat 9/21
1 stop7h 03m
Denver Intl
Sat 9/21
Nonstop2h 08m
Lambert-St LouisDenver Intl
STL - DEN
STLDEN
Lambert-St Louis
Wed 9/18
1 stop5h 21m
Denver Intl
Wed 9/25
1 stop6h 45m
No data available for this route at this time. Please check back soon.
Entertainment
Overall
Food
Comfort
Boarding
Crew
Reviews
Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.
Entertainment
Overall
Food
Comfort
Boarding
Crew
Reviews
Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.
Entertainment
Overall
Food
Comfort
Boarding
Crew
Reviews
Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.
Entertainment
Overall
Food
Comfort
Boarding
Crew
Reviews
Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.
Entertainment
Overall
Food
Comfort
Boarding
Crew
Reviews
Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.
Entertainment
Overall
Food
Comfort
Boarding
Crew
Reviews
Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Frontier | Cheapest$39 | Average$121 | FlexibilityNo cancel fee | On-time62% |
United Airlines | Cheapest$120 | Average$519 | FlexibilityNo cancel fee | On-time69% |
American Airlines | Cheapest$193 | Average$467 | FlexibilityNo cancel fee | On-time71% |
Delta | Cheapest$194 | Average$262 | FlexibilityNo cancel fee | On-timeN/A |
5%of flight departures | Early morningMidnight to 6 am |
---|---|
34%of flight departures | Morning6 am to noon |
52%of flight departures | AfternoonNoon to 6 pm |
9%of flight departures | Evening6 pm to midnight |