$136+ Cheap flights from St. Louis (STL) to Iowa
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/18. Fares are subject to change and may not be available on all flights or dates of travel.
STL — DSM
Oct 25 — Nov 11
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from St. Louis to Iowa 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 St. Louis to Iowa
Cheapest
Best
Last-minute
One-way
Cheapest flights from St. Louis to IowaExplore 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 September 25, 2026.
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 September 25, 2026.
This United Airlines deal was found by Cheapflights users on 9/23. 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 10/211:29 pm -
1 stop4h 19m
Wed 10/288:00 am -
1 stop4h 10m
Deal found 9/23![United Airlines logo]()
$271
This Southwest deal was found by Cheapflights users on 9/23. 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.
Wed 10/212:20 pm -
2 stops7h 40m
Wed 10/285:35 am -
1 stop5h 15m
Deal found 9/23![Southwest logo]()
$276
This Kiwi.com deal was found by Cheapflights users on 9/22. 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.
Fri 10/236:35 pm -
2 stops43h 24m
Fri 10/308:30 pm -
1 stop22h 44m
Deal found 9/22![Multiple Airlines logo]()
$286
This Southwest deal was found by Cheapflights users on 9/20. 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.
Fri 10/306:10 pm -
1 stop5h 05m
Mon 11/24:25 pm -
1 stop3h 25m
Deal found 9/20![Southwest logo]()
$289
This United Airlines deal was found by Cheapflights users on 9/22. 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.
Fri 10/236:00 am -
1 stop4h 31m
Fri 10/303:24 pm -
1 stop6h 16m
Deal found 9/22![United Airlines logo]()
$307
This United Airlines deal was found by Cheapflights users on 9/20. 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 10/216:00 am -
1 stop4h 18m
Sun 10/256:00 am -
1 stop6h 10m
Deal found 9/20![United Airlines logo]()
$309
This Kiwi.com deal was found by Cheapflights users on 9/23. 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.
Thu 10/224:30 pm -
1 stop15h 55m
Sun 10/252:49 pm -
2 stops22h 32m
Deal found 9/23![Multiple Airlines logo]()
$309
This Southwest deal was found by Cheapflights users on 9/20. 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 10/225:25 am -
1 stop5h 45m
Fri 10/305:10 am -
2 stops7h 35m
Deal found 9/20![Southwest logo]()
$312
This American Airlines deal was found by Cheapflights users on 9/23. 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 10/225:00 am -
1 stop3h 56m
Sun 10/257:31 pm -
1 stop4h 48m
Deal found 9/23![American Airlines logo]()
$315
This American Airlines deal was found by Cheapflights users on 9/22. 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.
Wed 10/77:29 am -
1 stop5h 53m
Wed 10/148:34 pm -
1 stop3h 45m
Deal found 9/22![American Airlines logo]()
$324
This American Airlines deal was found by Cheapflights users on 9/21. 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.
Wed 10/217:29 am -
1 stop4h 24m
Mon 10/268:34 pm -
1 stop3h 45m
Deal found 9/21![American Airlines logo]()
$334
This United Airlines deal was found by Cheapflights users on 9/22. 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 10/611:35 am -
1 stop5h 48m
Sat 10/106:30 am -
1 stop4h 18m
Deal found 9/22![United Airlines logo]()
$339
Best flights from St. Louis to IowaDiscover carefully curated flight deals from St. Louis to Iowa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 25, 2026.
Discover carefully curated flight deals from St. Louis to Iowa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 25, 2026.
This United Airlines deal was found by Cheapflights users on 9/21. 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 10/211:29 pm -
1 stop4h 19m
Wed 10/288:00 am -
1 stop4h 10m
Deal found 9/21![United Airlines logo]()
$271
This Southwest deal was found by Cheapflights users on 9/23. 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.
Wed 10/212:20 pm -
2 stops7h 40m
Wed 10/285:35 am -
1 stop5h 15m
Deal found 9/23![Southwest logo]()
$276
This Delta deal was found by Cheapflights users on 9/20. 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.
Wed 3/36:30 am -
1 stop3h 43m
Sat 3/66:45 am -
1 stop3h 53m
Deal found 9/20![Delta logo]()
$309
This American Airlines deal was found by Cheapflights users on 9/22. 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.
Wed 10/77:29 am -
1 stop5h 53m
Wed 10/148:34 pm -
1 stop3h 45m
Deal found 9/22![American Airlines logo]()
$324
This United Airlines deal was found by Cheapflights users on 9/20. 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 10/216:00 am -
1 stop4h 18m
Sun 10/256:00 am -
1 stop6h 10m
Deal found 9/20![United Airlines logo]()
$309
This Southwest deal was found by Cheapflights users on 9/20. 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 10/225:25 am -
1 stop5h 45m
Fri 10/305:10 am -
2 stops7h 35m
Deal found 9/20![Southwest logo]()
$312
This United Airlines deal was found by Cheapflights users on 9/22. 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 10/611:35 am -
1 stop5h 48m
Sat 10/106:30 am -
1 stop4h 18m
Deal found 9/22![United Airlines logo]()
$339
This Southwest deal was found by Cheapflights users on 9/22. 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.
Fri 10/232:30 pm -
2 stops8h 45m
Fri 10/305:10 am -
2 stops7h 35m
Deal found 9/22![Southwest logo]()
$348
This Delta deal was found by Cheapflights users on 9/20. 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.
Wed 3/36:45 am -
2 stops16h 11m
Sun 3/711:00 am -
1 stop3h 31m
Deal found 9/20![Delta logo]()
$389
This United Airlines deal was found by Cheapflights users on 9/24. 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 10/203:12 pm -
1 stop7h 03m
Wed 10/215:22 pm -
1 stop6h 22m
Deal found 9/24![United Airlines logo]()
$361
This Southwest deal was found by Cheapflights users on 9/23. 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 10/88:35 am -
1 stop4h 45m
Mon 10/124:30 pm -
2 stops7h 10m
Deal found 9/23![Southwest logo]()
$400
This United Airlines deal was found by Cheapflights users on 9/24. 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.
Mon 10/125:36 pm -
1 stop5h 11m
Mon 10/196:46 pm -
1 stop4h 13m
Deal found 9/24![United Airlines logo]()
$373
This Southwest deal was found by Cheapflights users on 9/22. 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.
Wed 10/72:20 pm -
2 stops7h 40m
Sun 10/115:30 am -
1 stop3h 55m
Deal found 9/22![Southwest logo]()
$400
This Delta deal was found by Cheapflights users on 9/20. 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.
Sat 3/66:30 am -
1 stop3h 43m
Sat 3/65:30 pm -
1 stop5h 48m
Deal found 9/20![Delta logo]()
$487
This United Airlines deal was found by Cheapflights users on 9/24. 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.
Fri 11/276:00 am -
1 stop4h 24m
Sun 11/296:00 am -
1 stop4h 32m
Deal found 9/24![United Airlines logo]()
$379
This United Airlines deal was found by Cheapflights users on 9/20. 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.
Fri 10/98:00 am -
1 stop4h 34m
Sun 10/116:00 am -
1 stop4h 48m
Deal found 9/20![United Airlines logo]()
$388
This United Airlines deal was found by Cheapflights users on 9/21. 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 10/175:10 am -
1 stop5h 44m
Wed 10/2111:29 am -
1 stop4h 14m
Deal found 9/21![United Airlines logo]()
$394
This United Airlines deal was found by Cheapflights users on 9/24. 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.
Fri 10/911:35 am -
1 stop5h 59m
Tue 10/136:09 pm -
1 stop26h 27m
Deal found 9/24![United Airlines logo]()
$575
Last-minute flights from St. Louis to IowaDiscover last-minute flight deals from St. Louis to Iowa. Data last updated September 25, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Iowa. Data last updated September 25, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/22. 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 10/611:35 am -
1 stop5h 48m
Sat 10/106:30 am -
1 stop4h 18m
Deal found 9/22![United Airlines logo]()
$339
This American Airlines deal was found by Cheapflights users on 9/22. 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.
Wed 10/77:29 am -
1 stop5h 53m
Wed 10/148:34 pm -
1 stop3h 45m
Deal found 9/22![American Airlines logo]()
$324
This United Airlines deal was found by Cheapflights users on 9/23. 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 10/211:29 pm -
1 stop4h 19m
Wed 10/288:00 am -
1 stop4h 10m
Deal found 9/23![United Airlines logo]()
$271
This Southwest deal was found by Cheapflights users on 9/23. 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.
Wed 10/212:20 pm -
2 stops7h 40m
Wed 10/285:35 am -
1 stop5h 15m
Deal found 9/23![Southwest logo]()
$276
This United Airlines deal was found by Cheapflights users on 9/20. 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 10/216:00 am -
1 stop4h 18m
Sun 10/256:00 am -
1 stop6h 10m
Deal found 9/20![United Airlines logo]()
$309
This American Airlines deal was found by Cheapflights users on 9/21. 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.
Wed 10/217:29 am -
1 stop4h 24m
Mon 10/268:34 pm -
1 stop3h 45m
Deal found 9/21![American Airlines logo]()
$334
This Kiwi.com deal was found by Cheapflights users on 9/23. 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.
Thu 10/224:30 pm -
1 stop15h 55m
Sun 10/252:49 pm -
2 stops22h 32m
Deal found 9/23![Multiple Airlines logo]()
$309
This Southwest deal was found by Cheapflights users on 9/20. 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 10/225:25 am -
1 stop5h 45m
Fri 10/305:10 am -
2 stops7h 35m
Deal found 9/20![Southwest logo]()
$312
This American Airlines deal was found by Cheapflights users on 9/23. 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 10/225:00 am -
1 stop3h 56m
Sun 10/257:31 pm -
1 stop4h 48m
Deal found 9/23![American Airlines logo]()
$315
This Kiwi.com deal was found by Cheapflights users on 9/22. 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.
Fri 10/236:35 pm -
2 stops43h 24m
Fri 10/308:30 pm -
1 stop22h 44m
Deal found 9/22![Multiple Airlines logo]()
$286
This United Airlines deal was found by Cheapflights users on 9/22. 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.
Fri 10/236:00 am -
1 stop4h 31m
Fri 10/303:24 pm -
1 stop6h 16m
Deal found 9/22![United Airlines logo]()
$307
This Southwest deal was found by Cheapflights users on 9/20. 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.
Fri 10/306:10 pm -
1 stop5h 05m
Mon 11/24:25 pm -
1 stop3h 25m
Deal found 9/20![Southwest logo]()
$289
One-way flights from St. Louis to IowaSearch for one-way flight options from St. Louis to Iowa. Find affordable one-way fares based on user searches. Data last updated September 25, 2026.
Search for one-way flight options from St. Louis to Iowa. Find affordable one-way fares based on user searches. Data last updated September 25, 2026.
This Southwest deal was found by Cheapflights users on 9/21. 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 1/184:00 pm -
1 stop6h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Southwest logo]()
$136
This United Airlines deal was found by Cheapflights users on 9/24. 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.
Fri 11/275:34 pm -
1 stop4h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![United Airlines logo]()
$154
This Southwest deal was found by Cheapflights users on 9/21. 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 1/173:45 pm -
1 stop5h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Southwest logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 9/23. 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.
Mon 11/27:59 pm -
2 stops44h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Multiple Airlines logo]()
$195
This Southwest deal was found by Cheapflights users on 9/24. 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.
Fri 11/274:30 pm -
2 stops6h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Southwest logo]()
$203
This American Airlines deal was found by Cheapflights users on 9/23. 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.
Mon 11/25:05 am -
1 stop5h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![American Airlines logo]()
$244
This United Airlines deal was found by Cheapflights users on 9/24. 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 9/306:00 am -
1 stop4h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![United Airlines logo]()
$260
This Kiwi.com deal was found by Cheapflights users on 9/21. 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.
Mon 1/187:02 pm -
3 stops40h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Multiple Airlines logo]()
$262
This Southwest deal was found by Cheapflights users on 9/24. 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.
Wed 9/3010:15 am -
2 stops11h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Southwest logo]()
$265
This Southwest deal was found by Cheapflights users on 9/24. 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 11/296:55 pm -
1 stop5h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Southwest logo]()
$285
This Kiwi.com deal was found by Cheapflights users on 9/21. 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 1/172:00 pm -
3 stops32h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Multiple Airlines logo]()
$443
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 September 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $271 (United Airlines) |
One-way from | $136 (Southwest) |
Popular in | September |
Cheapest in | March |
Average price | $817 |
Good one-way deal | $194 or less |
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 7,457,451 searches. Data last updated September 25, 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
Cheapest round-trip
St. LouisDes Moines
STL Lambert-St Louis - DSM Des Moines
STLDSM
Lambert-St Louis
Mon 1/18
4:00 pm-10:15 pm
1 stop6h 15m
Des Moines
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$136
Quickest round-trip
St. LouisDes Moines
STL Lambert-St Louis - DSM Des Moines
STLDSM
Lambert-St Louis
Fri 11/27
5:34 pm-9:55 pm
1 stop4h 21m
Des Moines
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$154
St. LouisDes Moines
STL Lambert-St Louis - DSM Des Moines
STLDSM
Lambert-St Louis
Sun 1/17
3:45 pm-9:35 pm
1 stop5h 50m
Des Moines
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$180
St. LouisCedar Rapids
STL Lambert-St Louis - CID Cedar Rapids
STLCID
Lambert-St Louis
Mon 11/2
7:59 pm-4:39 pm
2 stops44h 40m
Cedar Rapids
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$195
St. LouisDes Moines
STL Lambert-St Louis - DSM Des Moines
STLDSM
Lambert-St Louis
Fri 11/27
4:30 pm-11:05 pm
2 stops6h 35m
Des Moines
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$203
St. LouisCedar Rapids
STL Lambert-St Louis - CID Cedar Rapids
STLCID
Lambert-St Louis
Mon 11/2
5:05 am-10:18 am
1 stop5h 13m
Cedar Rapids
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$244
St. LouisDes Moines
STL Lambert-St Louis - DSM Des Moines
STLDSM
Lambert-St Louis
Sat 10/3
3:52 pm-9:11 pm
1 stop5h 19m
Des Moines
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$260
St. LouisDes Moines
STL Lambert-St Louis - DSM Des Moines
STLDSM
Lambert-St Louis
Wed 9/30
6:00 am-10:31 am
1 stop4h 31m
Des Moines
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$260
St. LouisDes Moines
STL Lambert-St Louis - DSM Des Moines
STLDSM
Lambert-St Louis
Mon 1/18
7:02 pm-11:05 am
3 stops40h 03m
Des Moines
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$262
St. LouisDes Moines
STL Lambert-St Louis - DSM Des Moines
STLDSM
Lambert-St Louis
Sat 10/3
11:55 am-8:45 pm
2 stops8h 50m
Des Moines
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$265
Showing 1-10 of 31 resultsSorted by cheapest first
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.
STL-DSM
STL-CID
STL-FOD
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
STL-USIA
STL-DSM
STL-CID
STL-FOD
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 September 25, 2026.
A simple way to save on the total cost of your ticket is to fly from St. Louis to Iowa in the afternoon. If you’re flexible enough to do this you can expect to save up to 71% on your trip compared to booking a flight in the evening.
How much does it cost to fly round-trip from St. Louis to Iowa?
Airfare is below average for this route at the moment.
St. Louis to Iowa flights typically cost between $518 and $599 in October.The cheapest round-trip price found within the last 5 days was $271 on United Airlines (Oct 21-Oct 28).
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 September 25, 2026.
Read reviews from past customers who have flown Southwest and United Airlines from St. Louis to Iowa. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Overall
8.0
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Overall
8.0
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
Alternative routes for St. Louis to Iowa
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Iowa by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from St. Louis to Iowa by cabin class
Find flights from St. Louis to Iowa, based on your preferred cabin class, be it economy, premium economy, business, or first class.
St. Louis and Iowa flights
Browse other St. Louis and Iowa flight options. Last updated on September 25, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
St. Louis to Iowa flights
Consider these flights traveling from St. Louis to Iowa.
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 7,457,451 searches. Data last updated September 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$77 | Average$501 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$262 | Average$519 | FlexibilityNo cancel fee | On-time69% |