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Cheap flights from St. Louis to Iowa from $59

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 Iowa departing on 2/10. 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 Iowa

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
9:40 am - 10:50 am
STL
-
DSM
1h 10mnonstop
Southwest Logo
3:20 pm - 4:35 pm
DSM
-
STL
1h 15mnonstop
$144Southwest
Tue, Feb 17 - Wed, Feb 18
Southwest Logo
3:00 pm - 9:20 pm
STL
-
DSM
6h 20m1 stop
Southwest Logo
3:20 pm - 4:35 pm
DSM
-
STL
1h 15mnonstop
$154Southwest
Tue, Feb 17 - Wed, Feb 18
Delta Logo
6:10 am - 10:17 am
STL
-
DSM
4h 07m1 stop
Delta Logo
5:15 pm - 11:36 pm
DSM
-
STL
6h 21m1 stop
$157Delta
Tue, Feb 17 - Wed, Feb 18
American Airlines Logo
6:00 am - 9:39 am
STL
-
DSM
3h 39m1 stop
American Airlines Logo
6:38 pm - 10:09 pm
DSM
-
STL
3h 31m1 stop
$159American Airlines
Tue, Feb 17 - Wed, Feb 18
American Airlines Logo
3:37 pm - 11:23 pm
STL
-
DSM
7h 46m1 stop
American Airlines Logo
5:51 pm - 10:55 pm
DSM
-
STL
5h 04m1 stop
$181American Airlines
Thu, Jan 8 - Thu, Jan 15
United Airlines Logo
2:45 pm - 8:34 pm
STL
-
DSM
5h 49m1 stop
United Airlines Logo
8:10 am - 3:39 pm
DSM
-
STL
7h 29m1 stop
$241United Airlines
Wed, Jan 21 - Sat, Jan 24
Southwest Logo
9:10 pm - 10:15 pm
STL
-
DSM
1h 05mnonstop
Southwest Logo
11:30 am - 8:15 pm
DSM
-
STL
8h 45m1 stop
$250Southwest
Thu, Feb 5 - Fri, Feb 6
Multiple Airlines Logo
3:43 pm - 12:16 pm
STL
-
OMA
20h 33m2 stops
Multiple Airlines Logo
7:46 pm - 10:34 pm
OMA
-
STL
26h 48m1 stop
$267Multiple Airlines
Thu, Jan 8 - Mon, Jan 12
Delta Logo
6:35 am - 3:40 pm
STL
-
DSM
9h 05m2 stops
Delta Logo
5:15 pm - 11:36 pm
DSM
-
STL
6h 21m1 stop
$268Delta
Tue, Feb 17 - Wed, Feb 18
United Airlines Logo
8:05 am - 2:01 pm
STL
-
FOD
5h 56m1 stop
United Airlines Logo
2:36 pm - 2:30 pm
FOD
-
STL
23h 54m1 stop
$336United Airlines
Sat, Jan 31 - Tue, Feb 3

United Airlines flights from St. Louis to Iowa

Our best United Airlines deals on St. Louis to Iowa flight tickets
United Airlines
Jan 21
STL2:45 pmLambert-St Louis
5h 49m
1 stop
DSM8:34 pmDes Moines
Jan 24
DSM8:10 amDes Moines
7h 29m
1 stop
STL3:39 pmLambert-St Louis
$241
Find similar
United Airlines
Jan 31
STL8:05 amLambert-St Louis
5h 56m
1 stop
FOD2:01 pmFort Dodge
Feb 3
FOD2:36 pmFort Dodge
23h 54m
1 stop
STL2:30 pmLambert-St Louis
$336
Find similar
United Airlines
Jan 31
STL9:57 amLambert-St Louis
4h 04m
1 stop
FOD2:01 pmFort Dodge
Feb 3
FOD2:36 pmFort Dodge
23h 54m
1 stop
STL2:30 pmLambert-St Louis
$342
Find similar

Southwest flights from St. Louis to Iowa

Our best Southwest deals on St. Louis to Iowa flight tickets
Southwest
Feb 17
STL9:40 amLambert-St Louis
1h 10m
DSM10:50 amDes Moines
Feb 18
DSM3:20 pmDes Moines
1h 15m
STL4:35 pmLambert-St Louis
$144
Find similar
Southwest
Feb 17
STL3:00 pmLambert-St Louis
6h 20m
1 stop
DSM9:20 pmDes Moines
Feb 18
DSM3:20 pmDes Moines
1h 15m
STL4:35 pmLambert-St Louis
$154
Find similar
Southwest
Feb 5
STL9:10 pmLambert-St Louis
1h 05m
DSM10:15 pmDes Moines
Feb 6
DSM11:30 amDes Moines
8h 45m
1 stop
STL8:15 pmLambert-St Louis
$250
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Iowa that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated December 11, 2025.
Use the filters below to find and compare flights from St. Louis to Iowa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Tue 2/17

9:40 am-10:50 am

Nonstop1h 10m

Des Moines

Wed 2/18

3:20 pm-4:35 pm

Nonstop1h 15m

$144

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Tue 2/17

3:00 pm-9:20 pm

1 stop6h 20m

Des Moines

Wed 2/18

3:20 pm-4:35 pm

Nonstop1h 15m

$154

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Tue 2/17

6:10 am-10:17 am

1 stop4h 07m

Des Moines

Wed 2/18

5:15 pm-11:36 pm

1 stop6h 21m

$157

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Tue 2/17

6:00 am-9:39 am

1 stop3h 39m

Des Moines

Wed 2/18

6:38 pm-10:09 pm

1 stop3h 31m

$159

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Thu 1/8

3:37 pm-11:23 pm

1 stop7h 46m

Des Moines

Thu 1/15

5:51 pm-10:55 pm

1 stop5h 04m

$181

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Wed 1/21

2:45 pm-8:34 pm

1 stop5h 49m

Des Moines

Sat 1/24

8:10 am-3:39 pm

1 stop7h 29m

$241

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Thu 2/5

9:10 pm-10:15 pm

Nonstop1h 05m

Des Moines

Fri 2/6

11:30 am-8:15 pm

1 stop8h 45m

$250

St. LouisOmaha

STL - OMA

STLOMA

Lambert-St Louis

Thu 1/8

3:43 pm-12:16 pm

2 stops20h 33m

Omaha Eppley Airfield

Mon 1/12

7:46 pm-10:34 pm

1 stop26h 48m

$267

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Tue 2/17

6:35 am-3:40 pm

2 stops9h 05m

Des Moines

Wed 2/18

5:15 pm-11:36 pm

1 stop6h 21m

$268

St. LouisFort Dodge

STL - FOD

STLFOD

Lambert-St Louis

Sat 1/31

8:05 am-2:01 pm

1 stop5h 56m

Fort Dodge

Tue 2/3

2:36 pm-2:30 pm

1 stop23h 54m

$336

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Iowa from

How to get the cheapest flight ticket from St. Louis to Iowa

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 Iowa?

The cheapest day to depart from St. Louis to Iowa is on a Thursday when prices can be found for as low as $381. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $519. These prices are subject to change though, so be sure to set up a Price Alert for flights to Iowa.

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

Our most recent data shows that the best time of day to fly to Iowa is in the evening. Flights from St. Louis to Iowa during this time can be as low as $127. 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 Iowa flight route?

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

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

There is only 1 cabin class available to choose from on Lambert-St Louis to Iowa 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 Iowa flights?

No. A direct flight is the cheapest option for a flight between St. Louis to Iowa.

Cheap St. Louis to Iowa flight deals and tips

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

Fastest flight time

1h 10m

Direct flights

Every day

Airports in Iowa

41 airports
The fastest flight from St. Louis to Iowa takes 1h 10m
Direct flights go from St. Louis to Iowa every day.
There are 41 airports in Iowa. From St. Louis there are direct flights to Omaha Eppley Airfield (OMA), Des Moines (DSM).
Search flight deals

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

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

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Iowa.

  • What documentation or ID do you need to fly to Iowa?

    The travel and health documents you'll need for your trip to Iowa may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Iowa. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from St. Louis to Iowa

Compare and see reviews for airlines that fly from St. Louis to Iowa with momondo
Airline
Rating
Free Cancellation
Price
Southern / MokulelePriceFrom $49Free CancellationRating
0.0
0 reviews
Search Southern / Mokulele flights
SouthwestPriceFrom $77Free CancellationRating
7.9
4,253 reviews
Search Southwest flights
American AirlinesPriceFrom $142Free CancellationRating
7.2
11,049 reviews
Search American Airlines flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from St. Louis to Iowa. Millions of users trust and use momondo every year so you are in good hands.

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

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

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

Once all potential St. Louis to Iowa 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 St. Louis to Iowa right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of St. Louis to Iowa 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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