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$79+ Cheap flights from St. Louis (STL) to Iowa

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
STL — DSM
Mar 4 — Mar 111
Wed 3/4
Wed 3/11
1 adult, Economy
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Cheap flight deals from St. Louis to Iowa

Cheapest flights from St. Louis to Iowa
Explore the most affordable flight options available from St. Louis to Iowa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 2, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/282:51 pm
STL
-
OMA
1 stop21h 57m
Frontier
Sun 3/89:03 pm
OMA
-
STL
1 stop12h 46m
Frontier
Deal found 1/30$211
This Kiwi.com deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/13:49 pm
STL
-
OMA
1 stop25h 35m
Multiple Airlines
Sun 3/89:03 pm
OMA
-
STL
1 stop12h 46m
Multiple Airlines
Deal found 1/31$226
This United Airlines deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/257:41 am
STL
-
DSM
1 stop6h 46m
United Airlines
Sat 2/282:59 pm
DSM
-
STL
1 stop7h 15m
United Airlines
Deal found 1/30$244
This Delta deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/231:45 pm
STL
-
DSM
1 stop6h 54m
Delta
Sun 4/266:10 am
DSM
-
STL
1 stop6h 55m
Delta
Deal found 2/1$259
This United Airlines deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/57:45 am
STL
-
OMA
1 stop6h 36m
United Airlines
Tue 5/1211:31 am
OMA
-
STL
1 stop5h 08m
United Airlines
Deal found 1/30$265
This United Airlines deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/217:41 am
STL
-
FOD
1 stop6h 25m
United Airlines
Wed 2/252:41 pm
FOD
-
STL
1 stop6h 24m
United Airlines
Deal found 1/30$283
This Southwest deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/58:25 am
STL
-
OMA
Nonstop1h 20m
Southwest
Tue 5/124:45 pm
OMA
-
STL
Nonstop1h 15m
Southwest
Deal found 1/30$287
This Southwest deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/278:30 am
STL
-
OMA
Nonstop1h 20m
Southwest
Tue 5/54:45 pm
OMA
-
STL
Nonstop1h 15m
Southwest
Deal found 1/31$309
This Southwest deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/238:30 am
STL
-
OMA
Nonstop1h 20m
Southwest
Thu 4/304:15 pm
OMA
-
STL
1 stop7h 40m
Southwest
Deal found 1/30$319
This United Airlines deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/297:45 am
STL
-
DSM
1 stop4h 44m
United Airlines
Mon 3/303:21 pm
DSM
-
STL
1 stop5h 47m
United Airlines
Deal found 1/31$327
This American Airlines deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/236:00 am
STL
-
OMA
1 stop5h 34m
American Airlines
Thu 4/307:05 am
OMA
-
STL
1 stop4h 19m
American Airlines
Deal found 1/30$329
This Southwest deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/295:20 am
STL
-
DSM
1 stop6h 10m
Southwest
Mon 3/304:20 pm
DSM
-
STL
2 stops7h 45m
Southwest
Deal found 1/31$332

Find flight deals from St. Louis to Iowa

Keep the following information in mind while searching for St. Louis to Iowa flight deals. Data was last updated February 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$211
(Kiwi.com)

One-way from

$79
(Delta)

Popular in

January

Cheapest in

October

Average price

$519

Good round-trip deal

$467 or less
Provider with most accurate pricing for Lambert-St Louis-Des Moines flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Des Moines flights.
Search Deals
From Lambert-St Louis to Iowa
Search Deals
One-way flight from Lambert-St Louis to Iowa
Search Deals
Highest demand for flights based on searches. 35% potential increase in price ($213 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from Lambert-St Louis to Iowa.
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated February 2, 2026.
Use the filters below to find and compare flights from St. Louis to Iowa that are best for you.

Fly from

St. Louis

Fly to

Iowa

Route

Depart

Return

Price

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Wed 2/25

7:41 am-2:27 pm

1 stop6h 46m

Des Moines

Sat 2/28

2:59 pm-10:14 pm

1 stop7h 15m

$244

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Thu 4/23

1:45 pm-8:39 pm

1 stop6h 54m

Des Moines

Sun 4/26

6:10 am-1:05 pm

1 stop6h 55m

$259

St. LouisOmaha

STL - OMA

STLOMA

Lambert-St Louis

Sun 3/1

3:49 pm-5:24 pm

1 stop25h 35m

Omaha Eppley Airfield

Sun 3/8

9:03 pm-1:19 pm

2 stops16h 16m

$269

St. LouisFort Dodge

STL - FOD

STLFOD

Lambert-St Louis

Sat 2/21

7:41 am-2:06 pm

1 stop6h 25m

Fort Dodge

Wed 2/25

2:41 pm-9:05 pm

1 stop6h 24m

$283

St. LouisOmaha

STL - OMA

STLOMA

Lambert-St Louis

Tue 5/5

8:25 am-9:45 am

Nonstop1h 20m

Omaha Eppley Airfield

Tue 5/12

4:45 pm-6:00 pm

Nonstop1h 15m

$287

St. LouisOmaha

STL - OMA

STLOMA

Lambert-St Louis

Mon 4/27

8:30 am-9:50 am

Nonstop1h 20m

Omaha Eppley Airfield

Tue 5/5

4:45 pm-6:00 pm

Nonstop1h 15m

$309

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Fri 5/29

4:40 pm-11:05 pm

1 stop6h 25m

Des Moines

Sun 5/31

5:20 am-9:30 am

1 stop4h 10m

$327

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Sun 3/29

7:45 am-12:29 pm

1 stop4h 44m

Des Moines

Mon 3/30

3:21 pm-9:08 pm

1 stop5h 47m

$327

St. LouisOmaha

STL - OMA

STLOMA

Lambert-St Louis

Thu 4/23

6:00 am-11:34 am

1 stop5h 34m

Omaha Eppley Airfield

Thu 4/30

7:05 am-11:24 am

1 stop4h 19m

$329

St. LouisDes Moines

STL - DSM

STLDSM

Lambert-St Louis

Sun 3/29

5:20 am-11:30 am

1 stop6h 10m

Des Moines

Mon 3/30

4:20 pm-12:05 am

2 stops7h 45m

$332

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/30

Showing 1-10 of 32 results
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Best time to book a flight from St. Louis to Iowa

Have a flexible travel schedule? Discover the best time to fly to Iowa from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Iowa

What is the cheapest time of day to fly from STL to IA?

Find hourly flight availability from St. Louis to Iowa. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 2, 2026.

A simple way to save on the total cost of your ticket is to fly from St. Louis to Iowa in the evening. If you’re flexible enough to do this you can expect to save up to 45% on your trip compared to booking a flight in the morning.

Weekly flight availability from St. Louis to Iowa

Explore weekly flight availability from St. Louis to Iowa. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated February 2, 2026.

The most flights from STL to USIA are scheduled on a Friday (4 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 on average).

Reviews of airlines servicing Iowa

Get insights into the airlines that provide service to Iowa. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Iowa. Reviews last updated February 2, 2026.
Read reviews from past customers who have flown Southwest and American Airlines from St. Louis to Iowa. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,273 reviews

Boarding

8.1

Crew

8.6

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,273 reviews
Southwest
8.0
Very good
4,273 reviews

Boarding

8.1

Crew

8.6

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,211 reviews
Southwest
8.0
Very good
4,273 reviews

Boarding

8.1

Crew

8.6

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Iowa. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from St. Louis to Iowa?

    Most people fly from Lambert-St Louis (STL) if they book a flight from St. Louis to Iowa. Lambert-St Louis is conveniently located just 12.7 mi from St. Louis’s city center.

  • How popular is this St. Louis to Iowa flight route?

    Within the past month, 3 users have taken a look at flights from Lambert-St Louis to Iowa.

  • How long is the flight from St. Louis to Iowa?

    Departing from St. Louis to Iowa will take you 6h 46m. Airlines will cover a distance of 259 mi. This flight may include one or multiple stops.

  • What are the most popular routes from St. Louis to Iowa?

    The most popular flight routes from St. Louis to Iowa are Lambert-St Louis - Omaha Eppley Airfield, Lambert-St Louis - Des Moines and Lambert-St Louis - Fort Dodge.

  • What are the cheapest flights from St. Louis to Iowa?

    Looking for the cheapest flight from St. Louis to Iowa? While on average our users pay $649, our data indicates the cheapest price to be $316. The most popular route (Lambert-St Louis - Omaha Eppley Airfield), is priced around $226.

  • Can I find deals for flights from St. Louis to Iowa that include hotel bookings?

    Yes. In addition to deals on St. Louis to Iowa flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Iowa?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Iowa.

  • Can I find deals for business class flights from St. Louis to Iowa?

    Yes. Cheapflights offers flight deals from St. Louis to Iowa by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for St. Louis to Iowa

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Top 2 airlines flying from St. Louis to Iowa

Discover the top 2 airlines that operate flights from St. Louis to Iowa. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$77Average$309FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$142Average$298FlexibilityNo cancel feeOn-time71%

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