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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 3/10. 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.
American Airlines Logo
5:46 am - 10:26 am
STL
-
DSM
4h 40m
1 stop
American Airlines Logo
5:01 pm - 11:46 pm
DSM
-
STL
6h 45m
1 stop
$189American Airlines
Fri, Apr 24 - Mon, Apr 27
United Airlines Logo
7:41 am - 2:27 pm
STL
-
DSM
6h 46m
1 stop
United Airlines Logo
3:24 pm - 9:05 pm
DSM
-
STL
5h 41m
1 stop
$205United Airlines
Tue, Feb 24 - Sat, Feb 28
Delta Logo
10:14 am - 9:20 pm
STL
-
DSM
11h 06m
2 stops
Delta Logo
10:57 am - 2:54 pm
DSM
-
STL
3h 57m
1 stop
$210Delta
Tue, Feb 24 - Sat, Feb 28
Delta Logo
6:10 am - 10:17 am
STL
-
DSM
4h 07m
1 stop
Delta Logo
5:15 pm - 11:36 pm
DSM
-
STL
6h 21m
1 stop
$215Delta
Thu, Feb 26 - Mon, Mar 2
Delta Logo
6:10 am - 10:17 am
STL
-
DSM
4h 07m
1 stop
Delta Logo
10:57 am - 8:43 pm
DSM
-
STL
9h 46m
2 stops
$220Delta
Thu, Feb 26 - Mon, Mar 2
United Airlines Logo
7:41 am - 2:32 pm
STL
-
DSM
6h 51m
1 stop
United Airlines Logo
3:28 pm - 9:07 pm
DSM
-
STL
5h 39m
1 stop
$221United Airlines
Sun, Mar 8 - Mon, Mar 9
Multiple Airlines Logo
8:12 pm - 8:18 pm
STL
-
OMA
24h 06m
1 stop
Multiple Airlines Logo
6:09 pm - 10:32 am
OMA
-
STL
16h 23m
2 stops
$259Multiple Airlines
Wed, Mar 25 - Mon, Mar 30
Multiple Airlines Logo
8:12 pm - 8:18 pm
STL
-
OMA
24h 06m
1 stop
Multiple Airlines Logo
12:38 pm - 11:19 am
OMA
-
STL
22h 41m
1 stop
$262Multiple Airlines
Wed, Mar 25 - Mon, Mar 30
Southwest Logo
5:20 am - 11:30 am
STL
-
DSM
6h 10m
1 stop
Southwest Logo
4:20 pm - 12:05 am
DSM
-
STL
7h 45m
2 stops
$275Southwest
Sun, Mar 8 - Mon, Mar 9
Southwest Logo
8:20 pm - 9:40 pm
STL
-
OMA
1h 20mnonstop
Southwest Logo
3:55 pm - 5:10 pm
OMA
-
STL
1h 15mnonstop
$287Southwest
Tue, Mar 3 - Wed, Mar 4

Southwest flights from St. Louis to Iowa

Our best Southwest deals on St. Louis to Iowa flight tickets
Southwest
Mar 8
STL5:20 amLambert-St Louis
6h 10m
1 stop
DSM11:30 amDes Moines
Mar 9
DSM4:20 pmDes Moines
7h 45m
2 stops
STL12:05 amLambert-St Louis
$275
Southwest
Mar 3
STL8:20 pmLambert-St Louis
1h 20m
OMA9:40 pmOmaha Eppley Airfield
Mar 4
OMA3:55 pmOmaha Eppley Airfield
1h 15m
STL5:10 pmLambert-St Louis
$287
Southwest
Apr 24
STL8:25 amLambert-St Louis
4h 50m
1 stop
DSM1:15 pmDes Moines
Apr 27
DSM5:25 amDes Moines
9h 30m
2 stops
STL2:55 pmLambert-St Louis
$289

American Airlines flights from St. Louis to Iowa

Our best American Airlines deals on St. Louis to Iowa flight tickets
American Airlines
Apr 24
STL5:46 amLambert-St Louis
4h 40m
1 stop
DSM10:26 amDes Moines
Apr 27
DSM5:01 pmDes Moines
6h 45m
1 stop
STL11:46 pmLambert-St Louis
$189
American Airlines
Feb 13
STL6:50 pmLambert-St Louis
4h 58m
1 stop
DSM11:48 pmDes Moines
Feb 15
DSM5:00 amDes Moines
3h 35m
1 stop
STL8:35 amLambert-St Louis
$277
American Airlines
Apr 23
STL5:46 amLambert-St Louis
5h 57m
1 stop
OMA11:43 amOmaha Eppley Airfield
Apr 26
OMA7:34 pmOmaha Eppley Airfield
16h 11m
1 stop
STL11:45 amLambert-St Louis
$335

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 February 11, 2026.
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

Fri 4/24

5:46 am-10:26 am

1 stop4h 40m

Des Moines

Mon 4/27

5:01 pm-11:46 pm

1 stop6h 45m

$189

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Tue 2/24

7:41 am-2:27 pm

1 stop6h 46m

Des Moines

Sat 2/28

3:24 pm-9:05 pm

1 stop5h 41m

$205

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Tue 2/24

10:14 am-9:20 pm

2 stops11h 06m

Des Moines

Sat 2/28

10:57 am-2:54 pm

1 stop3h 57m

$210

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Thu 2/26

6:10 am-10:17 am

1 stop4h 07m

Des Moines

Mon 3/2

5:15 pm-11:36 pm

1 stop6h 21m

$215

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Thu 2/26

6:10 am-10:17 am

1 stop4h 07m

Des Moines

Mon 3/2

10:57 am-8:43 pm

2 stops9h 46m

$220

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Sun 3/8

7:41 am-2:32 pm

1 stop6h 51m

Des Moines

Mon 3/9

3:28 pm-9:07 pm

1 stop5h 39m

$221

St. LouisOmaha

STL - OMA

STLOMA

Lambert-St Louis

Wed 3/25

8:12 pm-8:18 pm

1 stop24h 06m

Omaha Eppley Airfield

Mon 3/30

6:09 pm-10:32 am

2 stops16h 23m

$259

St. LouisOmaha

STL - OMA

STLOMA

Lambert-St Louis

Wed 3/25

8:12 pm-8:18 pm

1 stop24h 06m

Omaha Eppley Airfield

Mon 3/30

12:38 pm-11:19 am

1 stop22h 41m

$262

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Sun 3/8

5:20 am-11:30 am

1 stop6h 10m

Des Moines

Mon 3/9

4:20 pm-12:05 am

2 stops7h 45m

$275

St. LouisOmaha

STL - OMA

STLOMA

Lambert-St Louis

Tue 3/3

8:20 pm-9:40 pm

Nonstop1h 20m

Omaha Eppley Airfield

Wed 3/4

3:55 pm-5:10 pm

Nonstop1h 15m

$287

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 Wednesday when prices can be found for as low as $338. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $680. 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 $171. Try not to purchase tickets in the morning because they tend to be around $468. 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 Burlington 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?

You could potentially save up to 17% on your flight if you consider stops on a St. Louis to Iowa flight.

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

Best Price Found

$194

Fastest flight time

1h 10m

Direct flights

Every day

Airports in Iowa

41 airports
The best one-way flight to Iowa from St. Louis in the past 72 hours is $194. The best round-trip flight deal from St. Louis to Iowa found on momondo in the last 72 hours is $467.
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
SouthwestPriceFrom $77Free CancellationRating
8.0
4,280 reviews
Search Southwest flights
American AirlinesPriceFrom $142Free CancellationRating
7.2
11,271 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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