Cheap flights from Denver to St. Louis
Good to know
Prices are for flights from Denver to St. Louis for 1 adult in Economy. Flight times are based on nonstop flights or flights with the fewest stops available.
Flight information for Denver to St. Louis to help you plan your next trip.
Cheapest round-trip flight | $68 |
Frontier
Nonstop
3 hr
Nov 9 — Nov 10
|
The cheapest round-trip flight from Denver to St. Louis is currently $68 | |
---|---|---|---|---|
Cheapest one-way flight | $29 |
Frontier
Nonstop
3 hr
Oct 30
|
The cheapest one-way flight from Denver to St. Louis is currently $29 | |
Fastest flight | 1 hr 55 min | The fastest nonstop flight from Denver to St. Louis takes 1 hr 55 min | ||
Nonstop flights | Every day | There are direct flights on this route every day. |
When is the cheapest time to fly?
Typical prices for the least expensive flights for weekend trips from Denver to St. Louis per month. Insights are based on fares observed in the last 12 months. Current prices may differ.
The cheapest month to fly from Denver to St. Louis is typically August. The most expensive one is typically March.
August Cheapest
|
Typical prices: $65–165 |
---|---|
March Most expensive
|
Typical prices: $110–215 |
Popular airports near Denver
Distance and driving time are relative to the city center. Airports are listed based on distance from Denver center and popularity with travelers.
- Denver International Airport (DEN)Denver 38 min 19 mi
- Colorado Springs Airport (COS)Colorado Springs 1 hr 26 min 66 mi
- Rocky Mountain Metropolitan Airport (Terminal) (BJC)Denver 32 min 13 mi
- Eagle County Regional Airport (EGE)Vail 2 hr 17 min 103 mi
Popular airports near St. Louis
Distance and driving time are relative to the city center. Airports are listed based on distance from St. Louis center and popularity with travelers.
- St. Louis Lambert International Airport (STL)St. Louis 22 min 12 mi
- General Wayne A. Downing Peoria International Airport (PIA)Peoria 2 hr 34 min 143 mi
- Indianapolis International Airport (IND)Indianapolis 3 hr 29 min 222 mi
- Evansville Regional Airport (EVV)Evansville 2 hr 32 min 150 mi
Frequently asked questions about flying from Denver to St. Louis
How long does it take to fly from Denver to St. Louis?
1 hr 55 min is the shortest flight time from Denver to St. Louis.
When are the cheapest days to fly from Denver to St. Louis?
The cheapest days to fly are usually in August. Typical prices range from $65 to $165.
Which airlines provide the cheapest flights from Denver to St. Louis?
The best round-trip deal recently found on Google Flights from Denver to St. Louis was with Frontier from $68. The best one-way deal was with Frontier from $29.
When are direct flights from Denver to St. Louis available?
There are direct flights from Denver to St. Louis on a daily basis.
Which airlines have direct flights from Denver to St. Louis?
Southwest, United and Frontier fly direct from Denver to St. Louis.
What are the cheapest flights from Denver to St. Louis?
The cheapest round-trip flight from Denver to St. Louis starts at $68 from Sat, Nov 9 to Sun, Nov 10. The cheapest one-way flight starts at $29 and departs on Wed, Oct 30.
When should you visit St. Louis?
Apr–Sep is the most popular time to visit, coinciding with hot, humid summer and events like Fair St. Louis, a huge Fourth of July festival at Forest Park, and the Taste of St. Louis food festival (Sep). Weather in winter is cold, with occasional snow.
How do I find cheap dates to fly from Denver to St. Louis
It's easy to use Google Flights to find the cheapest days to fly from Denver to St. Louis.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.
You can also turn on price tracking to get alerts if the price changes for a route or flight.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.
You can also turn on price tracking to get alerts if the price changes for a route or flight.
Search more flights
Popular trips from Denver
These suggestions are based on the cheapest fares to popular destinations in the next six months.
Prices include required taxes + fees for 1 adult. Optional charges and bag fees may apply.
-
New York$98Oct 26 — Oct 281 stop 3 hr 50 min Frontier
-
Seattle$78Oct 19 — Oct 21Nonstop 3 hr 7 min Frontier
-
Los Angeles$73Nov 16 — Nov 18Nonstop 2 hr 29 min Frontier
-
London$455Dec 6 — Dec 81 stop 12 hr 15 min Icelandair
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