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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 10/9. 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 St. Louis to Iowa

Cheap round-trip flights

Southwest Logo
10:15 am - 11:25 amSTL-DSM
1h 10mnonstop
Southwest Logo
5:30 pm - 6:35 pmDSM-STL
1h 05mnonstop
$117Southwest
Find Deal
Wed, Sep 10 - Mon, Sep 15
American Airlines Logo
6:10 am - 9:46 amSTL-DSM
3h 36m1 stop
American Airlines Logo
2:21 pm - 8:25 pmDSM-STL
6h 04m1 stop
$159American Airlines
Find Deal
Wed, Sep 10 - Mon, Sep 15
Delta Logo
6:00 am - 10:14 amSTL-DSM
4h 14m1 stop
Delta Logo
5:25 pm - 11:09 pmDSM-STL
5h 44m1 stop
$177Delta
Find Deal
Thu, Sep 25 - Mon, Sep 29
Southwest Logo
9:50 am - 11:05 amSTL-OMA
1h 15mnonstop
Southwest Logo
5:20 am - 6:35 amOMA-STL
1h 15mnonstop
$177Southwest
Find Deal
Thu, Sep 4 - Mon, Sep 8
Delta Logo
5:32 pm - 10:44 pmSTL-OMA
5h 12m1 stop
Delta Logo
8:05 am - 11:30 amOMA-STL
3h 25m1 stop
$204Delta
Find Deal
Mon, Sep 29 - Wed, Oct 1
Frontier Logo
7:54 pm - 7:04 pmSTL-OMA
23h 10m1 stop
Frontier Logo
8:45 pm - 9:11 amOMA-STL
12h 26m1 stop
$219Frontier
Find Deal
Wed, Aug 20 - Mon, Aug 25
Frontier Logo
7:55 pm - 7:50 pmSTL-OMA
23h 55m1 stop
Frontier Logo
2:16 pm - 9:06 amOMA-STL
18h 50m1 stop
$221Frontier
Find Deal
Thu, Sep 11 - Mon, Sep 15
United Airlines Logo
5:30 pm - 9:48 pmSTL-OMA
4h 18m1 stop
United Airlines Logo
4:51 pm - 10:08 pmOMA-STL
5h 17m1 stop
$234United Airlines
Find Deal
Thu, Sep 4 - Mon, Sep 8
American Airlines Logo
6:00 am - 6:55 pmSTL-OMA
12h 55m1 stop
American Airlines Logo
7:12 am - 1:35 pmOMA-STL
6h 23m1 stop
$235American Airlines
Find Deal
Thu, Oct 23 - Sat, Oct 25
United Airlines Logo
5:15 am - 10:39 amSTL-OMA
5h 24m1 stop
United Airlines Logo
4:51 pm - 10:08 pmOMA-STL
5h 17m1 stop
$247United Airlines
Find Deal
Mon, Sep 15 - Mon, Sep 15

Frontier flights from St. Louis to Iowa

Our best Frontier deals on St. Louis to Iowa flight tickets
Frontier
Aug 20
STL7:54 pmLambert-St Louis
18h 29m
1 stop
DSM2:23 pmDes Moines
Aug 25
DSM3:08 pmDes Moines
18h 03m
1 stop
STL9:11 amLambert-St Louis
$213
Find similar
Frontier
Aug 20
STL7:54 pmLambert-St Louis
23h 10m
1 stop
OMA7:04 pmOmaha Eppley Airfield
Aug 25
OMA8:45 pmOmaha Eppley Airfield
12h 26m
1 stop
STL9:11 amLambert-St Louis
$219
Find similar
Frontier
Sep 11
STL7:55 pmLambert-St Louis
23h 55m
1 stop
OMA7:50 pmOmaha Eppley Airfield
Sep 15
OMA2:16 pmOmaha Eppley Airfield
18h 50m
1 stop
STL9:06 amLambert-St Louis
$221
Find similar

American Airlines flights from St. Louis to Iowa

Our best American Airlines deals on St. Louis to Iowa flight tickets
American Airlines
Sep 10
STL6:10 amLambert-St Louis
3h 36m
1 stop
DSM9:46 amDes Moines
Sep 15
DSM2:21 pmDes Moines
6h 04m
1 stop
STL8:25 pmLambert-St Louis
$159
Find similar
American Airlines
Oct 23
STL6:00 amLambert-St Louis
12h 55m
1 stop
OMA6:55 pmOmaha Eppley Airfield
Oct 25
OMA7:12 amOmaha Eppley Airfield
6h 23m
1 stop
STL1:35 pmLambert-St Louis
$235
Find similar
American Airlines
Sep 11
STL5:27 amLambert-St Louis
7h 31m
1 stop
OMA12:58 pmOmaha Eppley Airfield
Sep 13
OMA2:57 pmOmaha Eppley Airfield
8h 10m
1 stop
STL11:07 pmLambert-St Louis
$248
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 August 10, 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

Wed 9/10

10:15 am-11:25 am

Nonstop1h 10m

Des Moines

Mon 9/15

5:30 pm-6:35 pm

Nonstop1h 05m

$117

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Wed 9/10

6:10 am-9:46 am

1 stop3h 36m

Des Moines

Mon 9/15

2:21 pm-8:25 pm

1 stop6h 04m

$159

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Thu 9/25

6:00 am-10:14 am

1 stop4h 14m

Des Moines

Mon 9/29

5:25 pm-11:09 pm

1 stop5h 44m

$177

St. LouisOmaha

STL - OMA

STLOMA

Lambert-St Louis

Thu 9/4

9:50 am-11:05 am

Nonstop1h 15m

Omaha Eppley Airfield

Mon 9/8

5:20 am-6:35 am

Nonstop1h 15m

$177

St. LouisOmaha

STL - OMA

STLOMA

Lambert-St Louis

Mon 9/29

5:32 pm-10:44 pm

1 stop5h 12m

Omaha Eppley Airfield

Wed 10/1

8:05 am-11:30 am

1 stop3h 25m

$204

St. LouisOmaha

STL - OMA

STLOMA

Lambert-St Louis

Wed 8/20

7:54 pm-7:04 pm

1 stop23h 10m

Omaha Eppley Airfield

Mon 8/25

8:45 pm-9:11 am

1 stop12h 26m

$219

St. LouisOmaha

STL - OMA

STLOMA

Lambert-St Louis

Thu 9/11

7:55 pm-7:50 pm

1 stop23h 55m

Omaha Eppley Airfield

Mon 9/15

2:16 pm-9:06 am

1 stop18h 50m

$221

St. LouisOmaha

STL - OMA

STLOMA

Lambert-St Louis

Thu 9/4

5:30 pm-9:48 pm

1 stop4h 18m

Omaha Eppley Airfield

Mon 9/8

4:51 pm-10:08 pm

1 stop5h 17m

$234

St. LouisOmaha

STL - OMA

STLOMA

Lambert-St Louis

Thu 10/23

6:00 am-6:55 pm

1 stop12h 55m

Omaha Eppley Airfield

Sat 10/25

7:12 am-1:35 pm

1 stop6h 23m

$235

St. LouisOmaha

STL - OMA

STLOMA

Lambert-St Louis

Mon 9/15

5:15 am-10:39 am

1 stop5h 24m

Omaha Eppley Airfield

Mon 9/15

4:51 pm-10:08 pm

1 stop5h 17m

$247

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 Saturday when prices can be found for as low as $309. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $475. 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 afternoon. Flights from St. Louis to Iowa during this time can be as low as $247. 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 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 are 1 cabin classes 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

Best Price Found

$59

Fastest flight time

1h 05m

Direct flights

Every day

Airports in Iowa

3 airports
The best one-way flight to Iowa from St. Louis in the past 72 hours is $59. The best round-trip flight deal from St. Louis to Iowa found on momondo in the last 72 hours is $117.
The fastest flight from St. Louis to Iowa takes 1h 05m
Direct flights go from St. Louis to Iowa every day.
There are 3 airports near Iowa: Omaha Eppley Airfield (OMA), Fort Dodge (FOD), 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 $51Free CancellationRating
6.4
26 reviews
Search Southern / Mokulele flights
SouthwestPriceFrom $127Free CancellationRating
8.0
4,248 reviews
Search Southwest flights
American AirlinesPriceFrom $142Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $218Free CancellationRating
7.4
8,920 reviews
Search United 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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