Cheap flights from Denver to Saint Louis from $32

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Cheap Denver - Saint Louis flight offers

Find cheap flight tickets and last-minute flight deals from Denver to Saint Louis

Frontier Airlines
Mon, 06/08 (DEN) Denver -> (STL) Saint Louis
Direct
Frontier Airlines
Mon, 06/15 (STL) Saint Louis -> (DEN) Denver
Direct

Price found Yesterday
from $32
Frontier Airlines
Mon, 06/08 (DEN) Denver -> (STL) Saint Louis
Direct
Frontier Airlines
Mon, 06/15 (STL) Saint Louis -> (DEN) Denver
Direct

Price found Yesterday
from $32

Info about flights from Denver to Saint Louis

Some useful info about flights from Denver to Saint Louis to help you plan your next trip

Best price last 15 days $32
Average flight duration 2h 0m
Cheapest month June
Average number of flights per week 6
First flight time 01:30
Last flight time 22:25

When is it best to fly from Denver to Saint Louis

Find out what is the best time of year to fly from Denver to Saint Louis

Jun $32
Jul $131
Aug $84
Sep $79
Oct $104
Nov $143
Dec $72
Jan $73
Feb $87
Mar $86
Apr $102
May $91
Most expensive month November
Average price $143
Cheapest month June
Average price $32
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Top airlines on the route Denver - Saint Louis

Airlines providing flights to Saint Louis from Denver

How much is a flight from Denver to Saint Louis?

There’s no fixed price — fares between Denver and Saint Louis can vary a lot by day or time.

$32 is the lowest fare found in the past 15 days.

Flying during the week can be more affordable, as weekend flights tend to be pricier. Also consider demand and availability: the last remaining seats often come at higher fares!

Flying from or to Denver and Saint Louis? Here are your airport options

Knowing your full list of nearby airports can make flight planning easier, especially when routes vary.

  • Airports in Denver: Only Denver is available for departures.
  • Airports in Saint Louis: Saint Louis - Lambert is the only arrival option right now.

For families or those traveling with assistance, smaller airports can be easier to navigate. Cities served by multiple airports often allow for more flexible travel planning.

Flights from Denver to Saint Louis - Lambert

Explore flights from Denver to Saint Louis your way

On Jetcost, you can filter by round-trip or one-way, time of day, airline, number of stops, and even by agency like eDreams or Expedia. Options include Delta, United, American, and more.

Other popular destinations

Also interested in United States? Check out: Las Vegas, Los Angeles, Miami, New York City, Orlando.

If you’re flexible with dates, try checking the days before and after to see if prices vary. Some routes are offered by multiple agencies — comparing fares can really pay off.

Frequently Asked Questions

Frequently asked questions about flights from Denver to Saint Louis.

How much does an airline ticket from Denver to Saint Louis cost?

The lowest price recorded in the last 15 days for a flight from Denver to Saint Louis is $32.

How far is Denver from Saint Louis?

Denver is about 768 mi from Saint Louis.

What are the airports in Saint Louis?

Saint Louis has one airport: Saint Louis - Lambert.

What are the airports in Denver?

Denver has one airport: Denver.

What are the most popular cities in United States?

The most popular cities in United States according to our users' searches are: Las Vegas, Los Angeles, Miami, New York City, Orlando.

When should I book a flight from Denver to Saint Louis?

The best time to book a flight from Denver to Saint Louis is 1 month in advance, while the worst time is 1 week in advance.

What is the cheapest month to fly from Denver to Saint Louis?

The cheapest month to fly from Denver to Saint Louis is June.

What is the most expensive month to fly from Denver to Saint Louis?

The most expensive month to fly from Denver to Saint Louis is November.

What is the best day of the week to fly from Denver to Saint Louis?

For flights from Denver to Saint Louis Saturday is on average the cheapest day to fly, while Tuesday is the most expensive day to fly.