What is the cheapest airline that flies from Lambert-St Louis to Des Moines?

Southwest, Delta, and American Airlines are the most popular carriers operating from Lambert-St Louis to Des Moines

How many flights depart from St. Louis to Des Moines on average per day?

As of October 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?

8 flights are operational weekly from St. Louis to Des Moines as of October 2025. The most popular departure day for this route is Mon, with 25% of flights per week taking off on this day.

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 October 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.

$49 Cheap Flights from St. Louis to Des Moines in 2025/26

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Find the cheapest flights from St. Louis to Des Moines

Round-trip

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Cheap round-trip flights

Enter your travel dates to find the best prices.

7:45 pm - 1:49 pmSTL-DSM

18h 04m1 stop

2:32 pm - 9:07 amDSM-STL

18h 35m1 stop

$178Frontier

Find Deal

Thu, Nov 13 - Sun, Nov 16

6:22 pm - 1:49 pmSTL-DSM

19h 27m2 stops

2:32 pm - 9:07 amDSM-STL

18h 35m1 stop

$295Frontier

Find Deal

Thu, Nov 13 - Sun, Nov 16

9:50 am - 5:08 pmSTL-DSM

7h 18m2 stops

2:32 pm - 9:07 amDSM-STL

18h 35m1 stop

$302Multiple Airlines

Find Deal

Fri, Nov 7 - Mon, Nov 10

3:19 pm - 9:37 pmSTL-DSM

6h 18m1 stop

11:35 am - 3:40 pmDSM-STL

4h 05m1 stop

$308United Airlines

Find Deal

Fri, Dec 5 - Sat, Dec 6

8:25 pm - 9:35 pmSTL-DSM

1h 10mnonstop

6:25 am - 7:45 amDSM-STL

1h 20mnonstop

$310Southwest

Find Deal

Fri, Dec 5 - Sat, Dec 6

6:00 am - 1:31 pmSTL-DSM

7h 31m1 stop

11:01 am - 9:57 pmDSM-STL

10h 56m2 stops

$315Delta

Find Deal

Fri, Dec 5 - Sat, Dec 6

7:05 am - 2:19 pmSTL-DSM

7h 14m2 stops

6:17 am - 4:08 pmDSM-STL

9h 51m2 stops

$320Delta

Find Deal

Fri, Dec 5 - Sat, Dec 6

9:50 am - 5:08 pmSTL-DSM

7h 18m2 stops

2:32 pm - 9:07 amDSM-STL

18h 35m1 stop

$330Multiple Airlines

Find Deal

Fri, Nov 14 - Sun, Nov 16

9:50 am - 11:00 amSTL-DSM

1h 10mnonstop

5:20 am - 6:30 amDSM-STL

1h 10mnonstop

$360Southwest

Find Deal

Fri, Nov 28 - Sun, Nov 30

8:00 am - 12:14 pmSTL-DSM

4h 14m1 stop

11:26 am - 3:46 pmDSM-STL

4h 20m1 stop

$413United Airlines

Find Deal

Mon, Nov 10 - Fri, Nov 14

Frontier flights from St. Louis to Des Moines

Our best Frontier deals on St. Louis to Des Moines flight tickets

Frontier

Nov 13

STL7:45 pmLambert-St Louis

18h 04m

1 stop

DSM1:49 pmDes Moines

Nov 16

DSM2:32 pmDes Moines

18h 35m

1 stop

STL9:07 amLambert-St Louis

$178

Find similar

Frontier

Oct 29

STL8:40 pmLambert-St Louis

17h 07m

1 stop

DSM1:47 pmDes Moines

Oct 31

DSM2:32 pmDes Moines

18h 35m

1 stop

STL9:07 amLambert-St Louis

$240

Find similar

Frontier

Nov 13

STL6:22 pmLambert-St Louis

19h 27m

2 stops

DSM1:49 pmDes Moines

Nov 16

DSM2:32 pmDes Moines

18h 35m

1 stop

STL9:07 amLambert-St Louis

$295

Find similar

United Airlines flights from St. Louis to Des Moines

Our best United Airlines deals on St. Louis to Des Moines flight tickets

United Airlines

Dec 5

STL3:19 pmLambert-St Louis

6h 18m

1 stop

DSM9:37 pmDes Moines

Dec 6

DSM11:35 amDes Moines

4h 05m

1 stop

STL3:40 pmLambert-St Louis

$308

Find similar

United Airlines

Nov 10

STL8:00 amLambert-St Louis

4h 14m

1 stop

DSM12:14 pmDes Moines

Nov 14

DSM11:26 amDes Moines

4h 20m

1 stop

STL3:46 pmLambert-St Louis

$413

Find similar

United Airlines

Nov 11

STL9:00 amLambert-St Louis

7h 07m

1 stop

DSM4:07 pmDes Moines

Nov 15

DSM5:45 amDes Moines

6h 54m

1 stop

STL12:39 pmLambert-St Louis

$473

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Thu 11/13

7:45 pm-1:49 pm

1 stop18h 04m

Des Moines

Sun 11/16

2:32 pm-9:07 am

1 stop18h 35m

$178

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Thu 11/13

6:22 pm-1:49 pm

2 stops19h 27m

Des Moines

Sun 11/16

2:32 pm-9:07 am

1 stop18h 35m

$295

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Fri 11/7

9:50 am-5:08 pm

2 stops7h 18m

Des Moines

Mon 11/10

2:32 pm-9:07 am

1 stop18h 35m

$302

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Fri 12/5

3:19 pm-9:37 pm

1 stop6h 18m

Des Moines

Sat 12/6

11:35 am-3:40 pm

1 stop4h 05m

$308

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Fri 12/5

8:25 pm-9:35 pm

Nonstop1h 10m

Des Moines

Sat 12/6

6:25 am-7:45 am

Nonstop1h 20m

$310

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Fri 12/5

6:00 am-1:31 pm

1 stop7h 31m

Des Moines

Sat 12/6

11:01 am-9:57 pm

2 stops10h 56m

$315

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Fri 12/5

7:05 am-2:19 pm

2 stops7h 14m

Des Moines

Sat 12/6

6:17 am-4:08 pm

2 stops9h 51m

$320

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Fri 11/14

9:50 am-5:08 pm

2 stops7h 18m

Des Moines

Sun 11/16

2:32 pm-9:07 am

1 stop18h 35m

$330

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Fri 11/28

9:50 am-11:00 am

Nonstop1h 10m

Des Moines

Sun 11/30

5:20 am-6:30 am

Nonstop1h 10m

$360

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Mon 11/10

8:00 am-12:14 pm

1 stop4h 14m

Des Moines

Fri 11/14

11:26 am-3:46 pm

1 stop4h 20m

$413

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

What is the cheapest month to fly to Des Moines?

If you’re not able to fly to Des Moines in June, then October is your next best option. Flight prices from St. Louis to Des Moines during October average around $218.

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 Friday will generally be more expensive and average around $492. 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 evening. momondo users have found flights departing from St. Louis to Des Moines in the evening for as low as $171. 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 $484. 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 is only 1 cabin class 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.

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	$171
Fastest flight time	1h 05m
Direct flights	Mon, Tue, Wed, Fri, Sat and Sun
Airports in Des Moines	1 airport

The best flight deal from St. Louis to Des Moines found on momondo in the last 72 hours is $171

The fastest flight from St. Louis to Des Moines takes 1h 05m

Direct flights go from St. Louis to Des Moines on Monday, Tuesday, Wednesday, Friday, Saturday and Sunday. There are no airlines offering direct flights.

There is 1 airport near Des Moines: Des Moines (DSM)

Search flight deals

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 10m 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 October 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 MAX 8, representing 25.58% of all bookings. The subsequent popular models are Boeing 737-800 Passenger/BBJ2 (winglets) at 25.58%, Airbus A320neo at 11.63%, and Boeing 737-700 Passenger/BBJ1 (winglets) at 11.63%.
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
Southwest	PriceFrom $77	Free Cancellation	Rating 8.0 4,240 reviews		Search Southwest flights

Southwest Flights From St. Louis to Des Moines
Southwest operates around 8 flights from St. Louis to Des Moines every week. The average price of these flights found in the last 72 hours has been $309, but momondo users have found Southwest deals from St. Louis to Des Moines from as low as $77 round-trip. Southwest has been scored 8.0/10 in 4,240 reviews.

West Des Moines

Ames

Ankeny

Altoona

Clive

Urbandale

Pella

Newton

Johnston

Osceola

Boone

Norwalk

Grinnell

Oskaloosa

Carlisle

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.

An easier way to manage your Des Moines trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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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 1/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Big names and deals

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Find the cheapest flights from St. Louis to Des Moines

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Frontier flights from St. Louis to Des Moines

Our best Frontier deals on St. Louis to Des Moines flight tickets

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Our best United Airlines deals on St. Louis to Des Moines flight tickets

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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 October is your next best option. Flight prices from St. Louis to Des Moines during October average around $218.

What is the cheapest day to depart on your flight to Des Moines?

What is the cheapest time of day to depart on your flight to Des Moines?

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 is only 1 cabin class 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.

What is the cheapest airline that flies from Lambert-St Louis to Des Moines?

Southwest, Delta, and American Airlines are the most popular carriers operating from Lambert-St Louis to Des Moines

How many flights depart from St. Louis to Des Moines on average per day?

As of October 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?

8 flights are operational weekly from St. Louis to Des Moines as of October 2025. The most popular departure day for this route is Mon, with 25% 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

Fastest flight time

Direct flights

Airports in Des Moines

How far is Lambert-St Louis to Des Moines by plane?

When did momondo last update prices for flights from Lambert-St Louis Airport to Des Moines Airport?

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?

What documentation or ID do you need to fly to Des Moines Airport?

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

Southwest Flights From St. Louis to Des Moines

Traveling to a place near Des Moines?

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Des Moines?

Can I find flights from St. Louis to Des Moines with flexible booking policies on momondo?

How can momondo help me find flights from St. Louis to Des Moines?

I’m not ready to book a flight from St. Louis to Des Moines right now. Can momondo alert me if prices change?

An easier way to manage your Des Moines trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Iowa