$123+ 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 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
STL — DSM
Jul 24 — Jul 311
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 June 24, 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 June 24, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/21. 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.
Wed 7/224:57 pm
STL
- DSM
2 stops30h 10m
Multiple Airlines
Wed 7/291:49 pm
DSM
- STL
1 stop28h 26m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$247
This Booking.com deal was found by Cheapflights users on 6/22. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/148:08 pm
STL
- OMA
1 stop23h 07m
Frontier
Thu 7/168:15 pm
OMA
- STL
1 stop23h 08m
Frontier
Deal found 6/22![Frontier logo]()
$261
This United Airlines deal was found by Cheapflights users on 6/23. 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 7/226:00 am
STL
- DSM
1 stop4h 17m
United Airlines
Wed 7/296:00 am
DSM
- STL
1 stop6h 11m
United Airlines
Deal found 6/23![United Airlines logo]()
$263
This Southwest deal was found by Cheapflights users on 6/23. 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.
Tue 7/215:55 pm
STL
- DSM
1 stop4h 55m
Southwest
Tue 7/285:20 am
DSM
- STL
2 stops9h 25m
Southwest
Deal found 6/23![Southwest logo]()
$268
This Southwest deal was found by Cheapflights users on 6/24. 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.
Tue 8/2510:15 am
STL
- DSM
2 stops11h 40m
Southwest
Wed 8/266:10 am
DSM
- STL
2 stops8h 15m
Southwest
Deal found 6/24![Southwest logo]()
$273
This Southwest deal was found by Cheapflights users on 6/21. 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.
Wed 7/1510:15 am
STL
- DSM
2 stops12h 35m
Southwest
Wed 7/227:00 pm
DSM
- STL
1 stop4h 55m
Southwest
Deal found 6/21![Southwest logo]()
$274
This Southwest deal was found by Cheapflights users on 6/24. 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 7/229:20 pm
STL
- OMA
Nonstop1h 20m
Southwest
Wed 7/295:10 pm
OMA
- STL
Nonstop1h 15m
Southwest
Deal found 6/24![Southwest logo]()
$275
This Kiwi.com deal was found by Cheapflights users on 6/22. 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.
Thu 7/167:10 pm
STL
- OMA
1 stop16h 06m
Multiple Airlines
Tue 7/218:15 pm
OMA
- STL
1 stop23h 08m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$278
This Southwest deal was found by Cheapflights users on 6/21. 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.
Wed 7/2210:15 am
STL
- DSM
2 stops12h 35m
Southwest
Wed 7/295:20 am
DSM
- STL
2 stops9h 25m
Southwest
Deal found 6/21![Southwest logo]()
$279
This Southwest deal was found by Cheapflights users on 6/23. 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 10/15:00 pm
STL
- DSM
1 stop5h 35m
Southwest
Mon 10/54:30 pm
DSM
- STL
2 stops7h 10m
Southwest
Deal found 6/23![Southwest logo]()
$284
This Southwest deal was found by Cheapflights users on 6/22. 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.
Thu 9/36:05 am
STL
- DSM
1 stop5h 20m
Southwest
Sun 9/67:05 am
DSM
- STL
1 stop5h 20m
Southwest
Deal found 6/22![Southwest logo]()
$286
This Booking.com deal was found by Cheapflights users on 6/22. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/118:08 pm
STL
- OMA
1 stop23h 07m
Frontier
Mon 7/138:00 pm
OMA
- STL
1 stop23h 23m
Frontier
Deal found 6/22![Frontier logo]()
$292
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 June 24, 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 June 24, 2026.
This Southwest deal was found by Cheapflights users on 6/23. 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.
Tue 7/215:40 am
STL
- DSM
1 stop5h 50m
Southwest
Tue 7/285:20 am
DSM
- STL
1 stop4h 15m
Southwest
Deal found 6/23![Southwest logo]()
$263
This United Airlines deal was found by Cheapflights users on 6/23. 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 7/226:00 am
STL
- DSM
1 stop4h 17m
United Airlines
Wed 7/296:00 am
DSM
- STL
1 stop6h 11m
United Airlines
Deal found 6/23![United Airlines logo]()
$263
This American Airlines deal was found by Cheapflights users on 6/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/295:58 pm
STL
- DSM
1 stop6h 03m
American Airlines
Sat 8/16:18 pm
DSM
- STL
1 stop5h 57m
American Airlines
Deal found 6/20![American Airlines logo]()
$263
This Delta deal was found by Cheapflights users on 6/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/156:21 am
STL
- DSM
1 stop3h 52m
Delta
Fri 7/175:52 pm
DSM
- STL
1 stop5h 30m
Delta
Deal found 6/21![Delta logo]()
$304
This Southwest deal was found by Cheapflights users on 6/21. 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.
Wed 7/225:40 am
STL
- DSM
1 stop5h 50m
Southwest
Wed 7/295:20 am
DSM
- STL
1 stop5h 55m
Southwest
Deal found 6/21![Southwest logo]()
$263
This Southwest deal was found by Cheapflights users on 6/24. 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.
Tue 8/2510:15 am
STL
- DSM
2 stops11h 40m
Southwest
Wed 8/266:10 am
DSM
- STL
2 stops8h 15m
Southwest
Deal found 6/24![Southwest logo]()
$273
This Southwest deal was found by Cheapflights users on 6/21. 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.
Wed 7/1510:15 am
STL
- DSM
2 stops12h 35m
Southwest
Wed 7/227:00 pm
DSM
- STL
1 stop4h 55m
Southwest
Deal found 6/21![Southwest logo]()
$274
This Delta deal was found by Cheapflights users on 6/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/85:34 pm
STL
- OMA
1 stop5h 24m
Delta
Sun 8/96:10 am
OMA
- STL
1 stop4h 13m
Delta
Deal found 6/23![Delta logo]()
$349
This United Airlines deal was found by Cheapflights users on 6/23. 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.
Tue 8/258:00 am
STL
- OMA
1 stop4h 20m
United Airlines
Wed 8/263:11 pm
OMA
- STL
1 stop6h 49m
United Airlines
Deal found 6/23![United Airlines logo]()
$355
This Southwest deal was found by Cheapflights users on 6/19. 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 7/295:55 pm
STL
- DSM
1 stop4h 55m
Southwest
Mon 8/34:40 pm
DSM
- STL
1 stop6h 15m
Southwest
Deal found 6/19![Southwest logo]()
$304
This United Airlines deal was found by Cheapflights users on 6/19. 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 8/2912:59 pm
STL
- FOD
1 stop4h 53m
United Airlines
Wed 9/211:19 am
FOD
- STL
1 stop4h 19m
United Airlines
Deal found 6/19![United Airlines logo]()
$369
This Southwest deal was found by Cheapflights users on 6/23. 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 7/225:55 pm
STL
- DSM
1 stop4h 55m
Southwest
Thu 7/235:10 am
DSM
- STL
2 stops8h 40m
Southwest
Deal found 6/23![Southwest logo]()
$309
This Southwest deal was found by Cheapflights users on 6/21. 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.
Sat 9/268:30 am
STL
- OMA
Nonstop1h 15m
Southwest
Sun 9/278:00 am
OMA
- STL
Nonstop1h 15m
Southwest
Deal found 6/21![Southwest logo]()
$344
This Southwest deal was found by Cheapflights users on 6/24. 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 7/315:50 am
STL
- OMA
2 stops9h 50m
Southwest
Tue 8/45:50 am
OMA
- STL
2 stops8h 35m
Southwest
Deal found 6/24![Southwest logo]()
$353
This United Airlines deal was found by Cheapflights users on 6/20. 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.
Mon 7/65:10 am
STL
- FOD
1 stop5h 27m
United Airlines
Fri 7/1011:32 am
FOD
- STL
1 stop21h 07m
United Airlines
Deal found 6/20![United Airlines logo]()
$547
This Expedia deal was found by Cheapflights users on 6/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/207:56 pm
STL
- IRK
2 stops16h 49m
Multiple Airlines
Mon 7/279:45 am
IRK
- STL
2 stops14h 14m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$1,333
This Southwest deal was found by Cheapflights users on 6/20. 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 8/76:15 pm
STL
- OMA
1 stop3h 50m
Southwest
Mon 8/1011:10 am
OMA
- STL
2 stops6h 55m
Southwest
Deal found 6/20![Southwest logo]()
$355
This United Airlines deal was found by Cheapflights users on 6/19. 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 7/155:59 pm
STL
- FOD
2 stops16h 38m
United Airlines
Tue 7/216:35 pm
FOD
- STL
1 stop5h 22m
United Airlines
Deal found 6/19![United Airlines logo]()
$560
This Southwest deal was found by Cheapflights users on 6/20. 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.
Tue 7/79:20 pm
STL
- OMA
Nonstop1h 20m
Southwest
Wed 7/155:10 pm
OMA
- STL
Nonstop1h 15m
Southwest
Deal found 6/20![Southwest logo]()
$363
This Southwest deal was found by Cheapflights users on 6/23. 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.
Fri 9/258:45 pm
STL
- OMA
Nonstop1h 15m
Southwest
Fri 10/28:10 am
OMA
- STL
Nonstop1h 15m
Southwest
Deal found 6/23![Southwest logo]()
$391
This Southwest deal was found by Cheapflights users on 6/21. 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.
Fri 9/42:20 pm
STL
- OMA
2 stops9h 05m
Southwest
Mon 9/711:10 am
OMA
- STL
2 stops6h 55m
Southwest
Deal found 6/21![Southwest logo]()
$401
Last-minute flights from St. Louis to IowaDiscover last-minute flight deals from St. Louis to Iowa. Data last updated June 24, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Iowa. Data last updated June 24, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 6/21. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/68:08 pm
STL
- OMA
1 stop23h 07m
Frontier
Wed 7/88:00 pm
OMA
- STL
1 stop23h 23m
Frontier
Deal found 6/21![Frontier logo]()
$301
This Booking.com deal was found by Cheapflights users on 6/22. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/118:08 pm
STL
- OMA
1 stop23h 07m
Frontier
Mon 7/138:00 pm
OMA
- STL
1 stop23h 23m
Frontier
Deal found 6/22![Frontier logo]()
$292
This Booking.com deal was found by Cheapflights users on 6/22. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/148:08 pm
STL
- OMA
1 stop23h 07m
Frontier
Thu 7/168:15 pm
OMA
- STL
1 stop23h 08m
Frontier
Deal found 6/22![Frontier logo]()
$261
This Kiwi.com deal was found by Cheapflights users on 6/22. 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.
Tue 7/148:08 pm
STL
- OMA
1 stop23h 07m
Frontier
Tue 7/218:15 pm
OMA
- STL
1 stop23h 08m
Frontier
Deal found 6/22![Frontier logo]()
$297
This Southwest deal was found by Cheapflights users on 6/21. 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.
Wed 7/1510:15 am
STL
- DSM
2 stops12h 35m
Southwest
Wed 7/227:00 pm
DSM
- STL
1 stop4h 55m
Southwest
Deal found 6/21![Southwest logo]()
$274
This Delta deal was found by Cheapflights users on 6/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/156:21 am
STL
- DSM
1 stop3h 52m
Delta
Fri 7/175:52 pm
DSM
- STL
1 stop5h 30m
Delta
Deal found 6/21![Delta logo]()
$304
This Kiwi.com deal was found by Cheapflights users on 6/22. 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.
Thu 7/167:10 pm
STL
- OMA
1 stop16h 06m
Multiple Airlines
Tue 7/218:15 pm
OMA
- STL
1 stop23h 08m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$278
This Southwest deal was found by Cheapflights users on 6/23. 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.
Tue 7/215:55 pm
STL
- DSM
1 stop4h 55m
Southwest
Tue 7/285:20 am
DSM
- STL
2 stops9h 25m
Southwest
Deal found 6/23![Southwest logo]()
$268
This Kiwi.com deal was found by Cheapflights users on 6/21. 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.
Wed 7/224:57 pm
STL
- DSM
2 stops30h 10m
Multiple Airlines
Wed 7/291:49 pm
DSM
- STL
1 stop28h 26m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$247
This United Airlines deal was found by Cheapflights users on 6/23. 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 7/226:00 am
STL
- DSM
1 stop4h 17m
United Airlines
Wed 7/296:00 am
DSM
- STL
1 stop6h 11m
United Airlines
Deal found 6/23![United Airlines logo]()
$263
This Southwest deal was found by Cheapflights users on 6/24. 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 7/229:20 pm
STL
- OMA
Nonstop1h 20m
Southwest
Wed 7/295:10 pm
OMA
- STL
Nonstop1h 15m
Southwest
Deal found 6/24![Southwest logo]()
$275
This Southwest deal was found by Cheapflights users on 6/21. 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.
Wed 7/2210:15 am
STL
- DSM
2 stops12h 35m
Southwest
Wed 7/295:20 am
DSM
- STL
2 stops9h 25m
Southwest
Deal found 6/21![Southwest logo]()
$279
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 June 24, 2026.
Search for one-way flight options from St. Louis to Iowa. Find affordable one-way fares based on user searches. Data last updated June 24, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/21. 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.
Thu 8/206:45 pm
STL
- OMA
1 stop25h 31m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$123
This Booking.com deal was found by Cheapflights users on 6/22. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/298:08 pm
STL
- OMA
1 stop23h 07m
Frontier
Deal found 6/22![Frontier logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 6/21. 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.
Thu 7/167:10 pm
STL
- OMA
1 stop16h 06m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$130
This United Airlines deal was found by Cheapflights users on 6/24. 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.
Sat 7/186:00 am
STL
- DSM
1 stop4h 17m
United Airlines
Deal found 6/24![United Airlines logo]()
$132
This Booking.com deal was found by Cheapflights users on 6/22. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/138:10 pm
STL
- DSM
1 stop17h 46m
Frontier
Deal found 6/22![Frontier logo]()
$134
This Southwest deal was found by Cheapflights users on 6/20. 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.
Sat 7/188:45 pm
STL
- OMA
Nonstop1h 20m
Southwest
Deal found 6/20![Southwest logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 6/21. 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 8/167:10 pm
STL
- OMA
1 stop16h 06m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$142
This Delta deal was found by Cheapflights users on 6/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:20 am
STL
- OMA
1 stop5h 40m
Delta
Deal found 6/23![Delta logo]()
$143
This Southwest deal was found by Cheapflights users on 6/23. 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 8/138:30 am
STL
- OMA
Nonstop1h 15m
Southwest
Deal found 6/23![Southwest logo]()
$145
This Booking.com deal was found by Cheapflights users on 6/22. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/78:08 pm
STL
- OMA
1 stop23h 07m
Frontier
Deal found 6/22![Frontier logo]()
$147
This Kiwi.com deal was found by Cheapflights users on 6/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/184:57 pm
STL
- DSM
2 stops29h 50m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$148
This Kiwi.com deal was found by Cheapflights users on 6/23. 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.
Tue 7/218:08 pm
STL
- OMA
1 stop23h 07m
Frontier
Deal found 6/23![Frontier logo]()
$149
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 June 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $247 (Kiwi.com) |
One-way from | $123 (Kiwi.com) |
Popular in | February |
Cheapest in | October |
Average price | $371 |
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 2,558,603 searches. Data last updated June 24, 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 - DSM
STLDSM
Lambert-St Louis
Tue 7/21
5:40 am-11:30 am
1 stop5h 50m
Des Moines
Tue 7/28
5:20 am-9:35 am
1 stop4h 15m
$263
St. LouisDes Moines
STL - DSM
STLDSM
Lambert-St Louis
Wed 7/22
6:00 am-10:17 am
1 stop4h 17m
Des Moines
Wed 7/29
6:00 am-12:11 pm
1 stop6h 11m
$263
St. LouisDes Moines
STL - DSM
STLDSM
Lambert-St Louis
Wed 7/29
5:58 pm-12:01 am
1 stop6h 03m
Des Moines
Sat 8/1
6:18 pm-12:15 am
1 stop5h 57m
$263
St. LouisDes Moines
STL - DSM
STLDSM
Lambert-St Louis
Wed 7/22
5:40 am-11:30 am
1 stop5h 50m
Des Moines
Wed 7/29
5:20 am-11:15 am
1 stop5h 55m
$263
St. LouisDes Moines
STL - DSM
STLDSM
Lambert-St Louis
Tue 8/25
10:15 am-9:55 pm
2 stops11h 40m
Des Moines
Wed 8/26
6:10 am-2:25 pm
2 stops8h 15m
$273
St. LouisDes Moines
STL - DSM
STLDSM
Lambert-St Louis
Wed 7/15
10:15 am-10:50 pm
2 stops12h 35m
Des Moines
Wed 7/22
7:00 pm-11:55 pm
1 stop4h 55m
$274
St. LouisDes Moines
STL - DSM
STLDSM
Lambert-St Louis
Wed 7/15
6:21 am-10:13 am
1 stop3h 52m
Des Moines
Fri 7/17
5:52 pm-11:22 pm
1 stop5h 30m
$304
St. LouisDes Moines
STL - DSM
STLDSM
Lambert-St Louis
Wed 7/29
5:55 pm-10:50 pm
1 stop4h 55m
Des Moines
Mon 8/3
4:40 pm-10:55 pm
1 stop6h 15m
$304
St. LouisDes Moines
STL - DSM
STLDSM
Lambert-St Louis
Wed 7/22
5:55 pm-10:50 pm
1 stop4h 55m
Des Moines
Thu 7/23
5:10 am-1:50 pm
2 stops8h 40m
$309
Quickest round-trip
St. LouisOmaha
STL - OMA
STLOMA
Lambert-St Louis
Sat 9/26
8:30 am-9:45 am
Nonstop1h 15m
Omaha Eppley Airfield
Sun 9/27
8:00 am-9:15 am
Nonstop1h 15m
$344
Showing 1-10 of 43 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-OMA
STL-IRK
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-OMA
STL-IRK
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 June 24, 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.
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 June 24, 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.
Comfort
8.0
Boarding
8.1
Food
7.0
Overall
7.9
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Comfort
8.0
Boarding
8.1
Food
7.0
Overall
7.9
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Comfort
8.0
Boarding
8.1
Food
7.0
Overall
7.9
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
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 June 24, 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 2,558,603 searches. Data last updated June 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$77 | Average$316 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$142 | Average$338 | FlexibilityNo cancel fee | On-time71% |