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$49 Find Cheap Flights from Iowa to St. Louis

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to St. Louis departing on 4/28. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
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Cheap Flight Deals from Iowa to St. Louis

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Iowa to St. Louis that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Recent round-trip flight deals from Iowa to St. Louis

KAYAK's recommended round-trip deals from the most popular airlines that fly from Iowa to St. Louis.
Discover the best prices for you by selecting your travel dates on KAYAK.
Choose your dates
5:40 am - 6:45 amDSM-STL
1h 05mnonstop
8:55 pm - 10:05 pmSTL-DSM
1h 10mnonstop
$97Southwest
Find Deal
Tue, May 13 - Wed, May 14
6:40 am - 1:30 pmDSM-STL
6h 50m1 stop
8:55 pm - 10:05 pmSTL-DSM
1h 10mnonstop
$107Southwest
Find Deal
Tue, May 13 - Wed, May 14
6:13 pm - 9:52 pmDSM-STL
3h 39m1 stop
7:30 pm - 11:39 pmSTL-DSM
4h 09m1 stop
$159American Airlines
Find Deal
Tue, May 13 - Wed, May 14
5:45 am - 11:45 amDSM-STL
6h 00m1 stop
1:46 pm - 8:45 pmSTL-DSM
6h 59m1 stop
$218Delta
Find Deal
Thu, Apr 24 - Mon, Apr 28
6:00 am - 9:37 amALO-STL
3h 37m1 stop
6:00 pm - 10:02 pmSTL-ALO
4h 02m1 stop
$229American Airlines
Find Deal
Fri, Apr 11 - Tue, Apr 15
1:07 pm - 5:00 pmDSM-STL
3h 53m1 stop
6:00 am - 10:19 amSTL-DSM
4h 19m1 stop
$238Delta
Find Deal
Tue, May 20 - Fri, May 23
8:00 am - 12:20 pmDSM-STL
4h 20m1 stop
3:40 pm - 9:52 pmSTL-DSM
6h 12m1 stop
$387United Airlines
Find Deal
Tue, Apr 15 - Tue, Apr 15
4:43 pm - 6:41 pmDSM-STL
25h 58m2 stops
12:15 pm - 9:32 pmSTL-DSM
33h 17m3 stops
$424
Find Deal
Mon, May 19 - Wed, May 21
7:30 am - 9:15 amDSM-STL
25h 45m2 stops
9:50 am - 9:37 pmSTL-DSM
11h 47m2 stops
$444
Find Deal
Wed, May 21 - Fri, May 23
6:15 am - 2:36 pmOMA-STL
8h 21m1 stop
1:43 pm - 8:26 pmSTL-OMA
6h 43m1 stop
$459United Airlines
Find Deal
Thu, Apr 10 - Mon, Apr 14

Good to know

Low season

January

High season

April

Cheapest flight

$49
Best time to beat the crowds with an average 6% drop in price.
Most popular time to fly and prices are also 8% lower on average.
Flight from Des Moines to St. Louis

FAQs for booking flights from Iowa to St. Louis

  • How does KAYAK find such low prices on flights from Iowa to St. Louis?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Iowa to St. Louis.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Iowa to St. Louis?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to St. Louis from Iowa is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Iowa to St. Louis?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to St. Louis with an airline and back to Iowa with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Iowa to St. Louis?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to St. Louis from Iowa up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Everything you need to know for your flight to St. Louis

Information on the airport you'll fly into in St. Louis

St. Louis (STL)

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