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Not ready to book? to track prices.Find the cheapest flights from St. Louis to Des Moines
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Southwest flights from St. Louis to Des Moines
Our best Southwest deals on St. Louis to Des Moines flight tickets
Delta flights from St. Louis to Des Moines
Our best Delta deals on St. Louis to Des Moines flight tickets
See travel insights to Des Moines from
How to get the cheapest flight ticket from St. Louis to Des Moines
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Des Moines?
If you’re not able to fly to Des Moines in June, then December is your next best option. Flight prices from St. Louis to Des Moines during December average around $229.
What is the cheapest day to depart on your flight to Des Moines?
The cheapest day to depart from St. Louis to Des Moines is on a Saturday. Travelers who choose to depart for Des Moines on a Saturday will often find tickets for as low as $309. Flights from St. Louis to Des Moines on a Thursday will generally be more expensive and average around $474. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Des Moines?
According to our data, the cheapest time of day to fly to Des Moines is in the afternoon. momondo users have found flights departing from St. Louis to Des Moines in the afternoon for as low as $247. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the morning because they tend to be around $400. Of course, these prices can vary depending on the time of year and what airport you fly to.
What is the cheapest Lambert-St Louis to Des Moines flight route?
Fly from Lambert-St Louis to Des Moines for the best Lambert-St Louis - Des Moines flight prices
What cabin class options are available on Lambert-St Louis to Des Moines flights?
There are 1 cabin classes available to choose from on Lambert-St Louis to Des Moines flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on St. Louis to Des Moines flights?
No. A direct flight is the cheapest option for a flight between St. Louis to Des Moines.
How many flights depart from St. Louis to Des Moines on average per day?
As of June 2025, there are 1 flights per day flying from St. Louis to Des Moines. The most common time of day flights depart is 10:00PM, with 44% of flights taking off at noon.
How many flights depart from St. Louis to Des Moines on average per week?
10 flights are operational weekly from St. Louis to Des Moines as of June 2025. The most popular departure day for this route is Mon, with 20% of flights per week taking off on this day.
When to book flights from St. Louis to Des Moines
Cheap St. Louis to Des Moines (STL to DSM) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from St. Louis to Des Moines
Best Price Found | $49 |
|---|---|
Fastest flight time | 1h 05m |
Direct flights | Mon, Wed, Thu, Fri, Sat and Sun |
Airports in Des Moines | 1 airport |
How far is Lambert-St Louis to Des Moines by plane?
A flight from Lambert-St Louis to Des Moines will travel around 273.0 mi. 1h 05m is a normal flight duration for this route.
When did momondo last update prices for flights from Lambert-St Louis Airport to Des Moines Airport?
Prices for flights from Lambert-St Louis Airport to Des Moines Airport were last updated today.
How many operators does momondo search for flights from Lambert-St Louis Airport to Des Moines Airport?
As of June 2025, there is 1 operator available to choose from for flights from Lambert-St Louis Airport to Des Moines Airport.
How old do you have to be to fly from Lambert-St Louis Airport to Des Moines Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Des Moines Airport.
What documentation or ID do you need to fly to Des Moines Airport?
The necessary travel and health documents for your Des Moines Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from St. Louis to Des Moines?
momondo data reveals that the most frequently booked plane model on the route from St. Louis to Des Moines is Boeing 737-700 Passenger/BBJ1 (winglets), representing 50.00% of all bookings. The subsequent popular models are Airbus A320neo at 8.33%, Boeing 737 MAX 8 at 8.33%, and Airbus A319 at 8.33%.
What is the most popular airline from St. Louis to Des Moines?
Based on momondo bookings for this flight route, the most popular airline on flight routes from St. Louis to Des Moines is Southwest (100% of total bookings).
Best airlines flying from St. Louis to Des Moines
Compare and see reviews for airlines that fly from St. Louis to Des Moines with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $167 | Free Cancellation | Rating 8.0 4,287 reviews |
Southwest Flights From St. Louis to Des Moines
Southwest operates around 10 flights from St. Louis to Des Moines every week. The average price of these flights found in the last 72 hours has been $320, but momondo users have found Southwest deals from St. Louis to Des Moines from as low as $167 round-trip. Southwest has been scored 8.0/10 in 4,287 reviews.
Traveling to a place near Des Moines?
Book flights to Des Moines if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from St. Louis to Des Moines?
Finding the right flight to Des Moines from St. Louis is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Des Moines quick and easy, saving you time and money.
Can I find flights from St. Louis to Des Moines with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for St. Louis to Des Moines flights to just show those with flexible booking policies.
How can momondo help me find flights from St. Louis to Des Moines?
Once you have performed a search for St. Louis to Des Moines flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from St. Louis to Des Moines right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Des Moines from St. Louis. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.