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Cheap flights from St. Louis to Des Moines from $49

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Des Moines departing on 4/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from St. Louis to Des Moines

Cheap round-trip flights

These are some of the best round-trip flight deals from St. Louis to Des Moines that have been recently found on momondo from popular airlines, departing in the coming months.
5:26 am - 12:02 pmSTL-DSM
6h 36m1 stop
11:54 am - 4:15 pmDSM-STL
4h 21m1 stop
$159American Airlines
Find Deal
Tue, Apr 15 - Tue, Apr 22
6:50 am - 4:38 pmSTL-DSM
9h 48m2 stops
6:30 am - 1:01 pmDSM-STL
6h 31m1 stop
$233Delta
Find Deal
Tue, Apr 15 - Tue, Apr 22
7:30 am - 12:50 pmSTL-DSM
5h 20m1 stop
6:25 am - 1:00 pmDSM-STL
6h 35m1 stop
$309Southwest
Find Deal
Thu, Jul 10 - Tue, Jul 15
6:50 am - 4:38 pmSTL-DSM
9h 48m2 stops
7:00 am - 1:01 pmDSM-STL
6h 01m2 stops
$369Delta
Find Deal
Tue, Apr 15 - Tue, Apr 22
9:50 am - 8:20 pmSTL-DSM
10h 30m2 stops
4:15 pm - 11:15 pmDSM-STL
7h 00m1 stop
$370Southwest
Find Deal
Fri, Aug 15 - Sun, Aug 17
6:30 am - 10:06 amSTL-DSM
3h 36m1 stop
1:31 pm - 8:30 pmDSM-STL
6h 59m2 stops
$499Delta
Find Deal
Thu, Jul 10 - Tue, Jul 15
2:18 pm - 9:15 pmSTL-DSM
6h 57m2 stops
1:31 pm - 8:30 pmDSM-STL
6h 59m2 stops
$669Delta
Find Deal
Thu, Jul 10 - Tue, Jul 15

Delta flights from St. Louis to Des Moines

Our best Delta deals on St. Louis to Des Moines flight tickets
Delta
Apr 15
STL6:50 amLambert-St Louis
9h 48m
2 stops
DSM4:38 pmDes Moines
Apr 22
DSM6:30 amDes Moines
6h 31m
1 stop
STL1:01 pmLambert-St Louis
Delta
Apr 15
STL6:50 amLambert-St Louis
9h 48m
2 stops
DSM4:38 pmDes Moines
Apr 22
DSM7:00 amDes Moines
6h 01m
2 stops
STL1:01 pmLambert-St Louis
Delta
Jul 10
STL6:30 amLambert-St Louis
3h 36m
1 stop
DSM10:06 amDes Moines
Jul 15
DSM1:31 pmDes Moines
6h 59m
2 stops
STL8:30 pmLambert-St Louis

Southwest flights from St. Louis to Des Moines

Our best Southwest deals on St. Louis to Des Moines flight tickets
Southwest
Jul 10
STL7:30 amLambert-St Louis
5h 20m
1 stop
DSM12:50 pmDes Moines
Jul 15
DSM6:25 amDes Moines
6h 35m
1 stop
STL1:00 pmLambert-St Louis
Southwest
Aug 15
STL9:50 amLambert-St Louis
10h 30m
2 stops
DSM8:20 pmDes Moines
Aug 17
DSM4:15 pmDes Moines
7h 00m
1 stop
STL11:15 pmLambert-St Louis

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 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 $289. Flights from St. Louis to Des Moines on a Thursday will generally be more expensive and average around $484. 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 $409. 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.

How have St. Louis to Des Moines flight prices changed over time?

As of March 2025, prices for St. Louis to Des Moines flights are approximately 77% cheaper when compared to flights at the same time last year.

When to book flights from St. Louis to Des Moines

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Des Moines according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

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 10m

Direct flights

Mon, Tue, Fri and Sun

Airports in Des Moines

1 airport
The best one-way flight to Des Moines from St. Louis in the past 72 hours is $49. The best round-trip flight deal from St. Louis to Des Moines found on momondo in the last 72 hours is $159.
The fastest flight from St. Louis to Des Moines takes 1h 10m
Direct flights go from St. Louis to Des Moines on Monday, Tuesday, Friday and Sunday. The only airline offering direct flights is Southwest.
There is 1 airport near Des Moines: Des Moines (DSM)

  • 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. 3h 36m 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?

  • 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?

  • What is the most popular airline from St. Louis to Des Moines?


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
SouthwestPriceFrom $209Free CancellationRating
8.1
4,333 reviews
Search Southwest flights
American AirlinesPriceFrom $235Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
  • Southwest Flights From St. Louis to Des Moines

    Southwest operates around 2 flights from St. Louis to Des Moines every week. The average price of these flights found in the last 72 hours has been $331, but momondo users have found Southwest deals from St. Louis to Des Moines from as low as $209 round-trip. Southwest has been scored 8.1/10 in 4,333 reviews.


Traveling to a place near Des Moines?

Book flights to Des Moines if you plan to visit one of these locations
West Des Moines
Ames
Clive
Ankeny
Altoona
Urbandale
Newton
Pella
Osceola
Boone
Johnston
Norwalk
Oskaloosa
Grinnell

Why 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.


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