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Cheap flights from Des Moines to St. Louis from $95

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Des Moines to St. Louis departing on 5/29. 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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0 bags

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Find the cheapest flights from Des Moines to St. Louis

Cheap round-trip flights

These are some of the best round-trip flight deals from Des Moines to St. Louis that have been recently found on momondo from popular airlines, departing in the coming months.
American Airlines Logo
6:13 pm - 11:51 pmDSM-STL
5h 38m1 stop
American Airlines Logo
6:00 am - 11:13 amSTL-DSM
5h 13m1 stop
$219American Airlines
Find Deal
jue., may. 22 - lun., may. 26
American Airlines Logo
5:58 pm - 11:54 pmDSM-STL
5h 56m1 stop
American Airlines Logo
8:05 pm - 11:52 pmSTL-DSM
3h 47m1 stop
$223American Airlines
Find Deal
vie., jun. 6 - lun., jun. 9
United Airlines Logo
8:00 am - 2:37 pmDSM-STL
6h 37m1 stop
United Airlines Logo
10:00 am - 2:41 pmSTL-DSM
4h 41m1 stop
$252United Airlines
Find Deal
vie., ago. 15 - lun., ago. 18
Southwest Logo
6:30 pm - 7:35 pmDSM-STL
1h 05mnonstop
Southwest Logo
10:40 pm - 11:50 pmSTL-DSM
1h 10mnonstop
$256Southwest
Find Deal
vie., jun. 6 - lun., jun. 9
United Airlines Logo
6:45 pm - 10:45 pmDSM-STL
4h 00m1 stop
United Airlines Logo
8:10 am - 2:42 pmSTL-DSM
6h 32m1 stop
$266United Airlines
Find Deal
jue., jun. 12 - jue., jun. 19
Southwest Logo
6:30 pm - 7:35 pmDSM-STL
1h 05mnonstop
Southwest Logo
5:20 am - 12:50 pmSTL-DSM
7h 30m1 stop
$285Southwest
Find Deal
vie., jun. 6 - lun., jun. 9
Delta Logo
1:07 pm - 5:00 pmDSM-STL
3h 53m1 stop
Delta Logo
6:45 am - 5:06 pmSTL-DSM
10h 21m2 stops
$313Delta
Find Deal
jue., may. 22 - lun., may. 26
Delta Logo
5:35 am - 12:04 pmDSM-STL
6h 29m1 stop
Delta Logo
6:45 am - 4:37 pmSTL-DSM
9h 52m2 stops
$344Delta
Find Deal
mar., may. 13 - vie., ago. 15
 Logo
6:32 pm - 6:41 pmDSM-STL
24h 09m2 stops
 Logo
9:50 am - 10:37 pmSTL-DSM
12h 47m2 stops
jue., jun. 12 - jue., jun. 19
 Logo
6:32 pm - 5:04 pmDSM-STL
22h 32m2 stops
 Logo
9:50 am - 10:37 pmSTL-DSM
12h 47m2 stops
jue., jun. 12 - jue., jun. 19

American Airlines flights from Des Moines to St. Louis

Our best American Airlines deals on Des Moines to St. Louis flight tickets
American Airlines
May 22
DSM6:13 pmDes Moines
5h 38m
1 stop
STL11:51 pmLambert-St Louis
May 26
STL6:00 amLambert-St Louis
5h 13m
1 stop
DSM11:13 amDes Moines
American Airlines
Jun 6
DSM5:58 pmDes Moines
5h 56m
1 stop
STL11:54 pmLambert-St Louis
Jun 9
STL8:05 pmLambert-St Louis
3h 47m
1 stop
DSM11:52 pmDes Moines
American Airlines
Jun 6
DSM5:58 pmDes Moines
5h 56m
1 stop
STL11:54 pmLambert-St Louis
Jun 8
STL8:05 pmLambert-St Louis
3h 47m
1 stop
DSM11:52 pmDes Moines

United Airlines flights from Des Moines to St. Louis

Our best United Airlines deals on Des Moines to St. Louis flight tickets
United Airlines
Aug 15
DSM8:00 amDes Moines
6h 37m
1 stop
STL2:37 pmLambert-St Louis
Aug 18
STL10:00 amLambert-St Louis
4h 41m
1 stop
DSM2:41 pmDes Moines
United Airlines
Jun 12
DSM6:45 pmDes Moines
4h 00m
1 stop
STL10:45 pmLambert-St Louis
Jun 19
STL8:10 amLambert-St Louis
6h 32m
1 stop
DSM2:42 pmDes Moines
United Airlines
May 13
DSM3:34 pmDes Moines
6h 14m
1 stop
STL9:48 pmLambert-St Louis
Aug 15
STL10:00 amLambert-St Louis
4h 41m
1 stop
DSM2:41 pmDes Moines

See travel insights to St. Louis from

How to get the cheapest flight ticket from Des Moines to St. Louis

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 St. Louis?

In general, August is the cheapest month to fly from Des Moines to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $258. The month of April is another great option to travel to St. Louis, with average flight prices from Des Moines averaging around $309.

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Tuesday when prices can be found for as low as $382. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $449. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Des Moines in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $406 when looking at flights departing in the afternoon. In the morning is when there is more demand to fly to St. Louis, so prices are often more expensive at around $415 per ticket.

What is the cheapest Des Moines to Lambert-St Louis flight route?

Fly from Des Moines to Lambert-St Louis for the best Des Moines - Lambert-St Louis flight prices

What cabin class options are available on Des Moines to Lambert-St Louis flights?

There are 1 cabin classes available to choose from on Des Moines to Lambert-St Louis flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

As of May 2025, prices for Des Moines to St. Louis flights are approximately 17% cheaper when compared to flights at the same time last year.

When to book flights from Des Moines to St. Louis

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

Cheap Des Moines to St. Louis (DSM to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Des Moines to St. Louis

Best Price Found

$95

Fastest flight time

1h 05m

Direct flights

Mon, Wed, Fri, Sat and Sun

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from Des Moines in the past 72 hours is $95. The best round-trip flight deal from Des Moines to St. Louis found on momondo in the last 72 hours is $219.
The fastest flight from Des Moines to St. Louis takes 1h 05m
Direct flights go from Des Moines to St. Louis on Monday, Wednesday, Friday, Saturday and Sunday. The only airline offering direct flights is Southwest.
There is 1 airport near St. Louis: Lambert-St Louis (STL)

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

    A flight from Des Moines to Lambert-St Louis will travel around 273.0 mi. Flights usually cover this in 1h 05m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Des Moines Airport to Lambert-St Louis Airport refresh daily.

  • How many operators does momondo search for flights from Des Moines Airport to Lambert-St Louis Airport?

  • How old do you have to be to fly from Des Moines Airport to Lambert-St Louis Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Des Moines Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The required travel and health documents for your Lambert-St Louis Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lambert-St Louis Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

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


Best airlines flying from Des Moines to St. Louis

Compare and see reviews for airlines that fly from Des Moines to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
SouthwestPriceFrom $117Free CancellationRating
8.0
4,294 reviews
Search Southwest flights
DeltaPriceFrom $155Free CancellationRating
8.0
7,934 reviews
Search Delta flights
  • Southwest Flights From Des Moines to St. Louis

    The lowest priced Southwest flight from Des Moines to St. Louis from the last 72 hours was $117. Generally, Southwest has 11 flights on this route every week with an average price of $310. Southwest is rated 8.0/10 by our users.


Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Florissant
Maryland Heights
Fairview Heights
Hermann
Collinsville
Fenton
Farmington
O'Fallon
St. Peters
Wentzville
Alton
Glencoe
Eureka
Edwardsville
Festus
Clayton
Grafton
Litchfield

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Des Moines to St. Louis for you.

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

Yes. momondo enables you to select and highlight flights to St. Louis from Des Moines with this policy.

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

Once all potential Des Moines to St. Louis flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Des Moines to St. Louis flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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1 adult
mar. 5/6
mar. 5/13

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