$49+ Cheap flights from Iowa to St. Louis (STL)
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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Iowa to St. Louis with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Iowa to St. Louis
Keep the following information in mind while searching for Iowa to St. Louis flight deals. Data was last updated June 12, 2025.
Round-trip from | $97 (Southwest) |
|---|---|
One-way from | $49 (Southwest) |
Popular in | September |
Cheapest in | August |
Average price | $309 |
Good round-trip deal | $105 or less |
Good one-way deal | $173 or less |
Find flight deals from Iowa to St. Louis
Cheapest flights from Iowa to St. LouisExplore the most affordable flight options available from Iowa to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.
Explore the most affordable flight options available from Iowa to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.
This Southwest deal was found by Cheapflights users on 6/11. 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.
This Southwest deal was found by Cheapflights users on 6/11. 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.
This Delta deal was found by Cheapflights users on 6/10. 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.
This American Airlines deal was found by Cheapflights users on 6/12. 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.
This American Airlines deal was found by Cheapflights users on 6/10. 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.
This United Airlines deal was found by Cheapflights users on 6/10. 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.
This Delta deal was found by Cheapflights users on 6/10. 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.
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Booking.com deal was found by Cheapflights users on 6/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American Airlines deal was found by Cheapflights users on 6/11. 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.
This United Airlines deal was found by Cheapflights users on 6/12. 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.
This Mytrip deal was found by Cheapflights users on 6/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cheapflights Fare Finder
Customize your flight search to find flights from Iowa to St. Louis 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 June 12, 2025.
Use the filters below to find and compare flights from Iowa to St. Louis that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Des MoinesSt. Louis
DSM - STL
DSMSTL
Des Moines
Tue 8/12
8:25 am-9:30 am
Nonstop1h 05m
Lambert-St Louis
Thu 8/14
9:40 pm-10:50 pm
Nonstop1h 10m
OmahaSt. Louis
OMA - STL
OMASTL
Omaha Eppley Airfield
Tue 8/5
12:25 pm-1:40 pm
Nonstop1h 15m
Lambert-St Louis
Thu 8/7
9:40 pm-10:55 pm
Nonstop1h 15m
Des MoinesSt. Louis
DSM - STL
DSMSTL
Des Moines
Tue 8/12
5:25 pm-11:22 pm
1 stop5h 57m
Lambert-St Louis
Thu 8/14
5:11 pm-10:39 pm
1 stop5h 28m
OmahaSt. Louis
OMA - STL
OMASTL
Omaha Eppley Airfield
Tue 8/5
6:16 pm-11:59 pm
1 stop5h 43m
Lambert-St Louis
Thu 8/7
5:15 am-11:09 am
1 stop5h 54m
Des MoinesSt. Louis
DSM - STL
DSMSTL
Des Moines
Mon 8/11
3:20 pm-8:18 pm
1 stop4h 58m
Lambert-St Louis
Wed 8/13
8:40 am-4:48 pm
1 stop8h 08m
Des MoinesSt. Louis
DSM - STL
DSMSTL
Des Moines
Wed 8/13
6:50 pm-10:45 pm
1 stop3h 55m
Lambert-St Louis
Sat 8/16
4:45 pm-11:59 pm
1 stop7h 14m
OmahaSt. Louis
OMA - STL
OMASTL
Omaha Eppley Airfield
Sat 9/6
6:35 am-10:49 am
1 stop4h 14m
Lambert-St Louis
Sun 9/7
6:00 am-12:38 pm
1 stop6h 38m
Des MoinesSt. Louis
DSM - STL
DSMSTL
Des Moines
Thu 7/24
6:32 pm-6:41 pm
2 stops24h 09m
Lambert-St Louis
Sun 7/27
10:47 am-6:06 pm
2 stops31h 19m
OmahaSt. Louis
OMA - STL
OMASTL
Omaha Eppley Airfield
Thu 6/26
7:51 pm-9:12 am
1 stop13h 21m
Lambert-St Louis
Sat 6/28
7:29 pm-6:55 pm
1 stop23h 26m
WaterlooSt. Louis
ALO - STL
ALOSTL
Waterloo
Tue 7/22
3:32 pm-7:08 pm
1 stop3h 36m
Lambert-St Louis
Sat 7/26
8:43 am-2:36 pm
1 stop5h 53m
Best time to book a flight from Iowa to St. Louis
Have a flexible travel schedule? Discover the best time to fly to St. Louis from Iowa with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Iowa to St. Louis
What is the cheapest month to book a flight from Iowa to St. Louis?
Currently, August is the cheapest month in which you can book a flight from Iowa to St. Louis (average of $311). Flying from Iowa to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from IA to STL?
Find hourly flight availability from Iowa to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.
When flying from Iowa to St. Louis, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Rainfall in St. Louis by month
Plan your trip to St. Louis by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.
Temperature in St. Louis by month
Plan your trip to St. Louis by taking into account the average temperature totals by month.
If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).
Reviews of airlines servicing St. Louis
Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated June 12, 2025.
To help decide which airline to fly from Iowa to St. Louis, see what other customers have to say about Alaska Airlines, Southwest and Delta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
Crew
Overall
Comfort
Boarding
Food
Reviews
James,Apr 2025
LAX - SFO
Entertainment
Crew
Overall
Comfort
Boarding
Food
Reviews
James,Apr 2025
LAX - SFO
Entertainment
Crew
Overall
Comfort
Boarding
Food
Reviews
James,Apr 2025
LAX - SFO
Entertainment
Crew
Overall
Comfort
Boarding
Food
Reviews
James,Apr 2025
LAX - SFO
Entertainment
Crew
Overall
Comfort
Boarding
Food
Reviews
James,Apr 2025
LAX - SFO
Entertainment
Crew
Overall
Comfort
Boarding
Food
Reviews
James,Apr 2025
LAX - SFO
Related info for your journey
Find useful and relevant information for your journey from Iowa to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Iowa?
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Alternative routes for Iowa to St. Louis
See prices for flight routes from nearby airports that may be better suited for you.
Top 3 airlines flying from Iowa to St. Louis
Discover the top 3 airlines that operate flights from Iowa to St. Louis. 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 June 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$61 | Average$104 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$117 | Average$310 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$218 | Average$367 | FlexibilityNo cancel fee | On-time69% |