STL

$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 10/16. 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.
1 adult
1 adult, Economy

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Flight Deals

Cheap Flights 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.
Discover the best prices for you by selecting your travel dates on KAYAK.

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

Thu, Oct 16 - Tue, Oct 21
Southwest Logo
5:35 am - 6:45 amDSM-STL
1h 10mnonstop
Southwest Logo
8:20 am - 9:30 amSTL-DSM
1h 10mnonstop
$97Southwest
Find Deal
Thu, Oct 16 - Tue, Oct 21
Southwest Logo
5:35 am - 6:45 amDSM-STL
1h 10mnonstop
Southwest Logo
3:50 pm - 8:55 pmSTL-DSM
5h 05m1 stop
$107Southwest
Find Deal
Fri, Oct 31 - Sun, Nov 2
Frontier Logo
8:51 pm - 9:07 amOMA-STL
12h 16m1 stop
Frontier Logo
7:45 pm - 8:06 pmSTL-OMA
24h 21m1 stop
$150Frontier
Find Deal
Tue, Oct 14 - Sat, Oct 18
American Airlines Logo
6:07 pm - 11:54 pmDSM-STL
5h 47m1 stop
American Airlines Logo
8:49 am - 3:03 pmSTL-DSM
6h 14m1 stop
$159American Airlines
Find Deal
Sat, Oct 11 - Sat, Oct 18
Delta Logo
5:15 pm - 10:04 pmDSM-STL
4h 49m1 stop
Delta Logo
6:00 am - 10:26 amSTL-DSM
4h 26m1 stop
$177Delta
Find Deal
Tue, Mar 3 - Wed, Mar 4
United Airlines Logo
3:00 pm - 10:14 pmDSM-STL
7h 14m1 stop
United Airlines Logo
7:41 am - 2:27 pmSTL-DSM
6h 46m1 stop
$179United Airlines
Find Deal
Sat, Oct 11 - Sat, Oct 18
Delta Logo
12:30 pm - 10:04 pmDSM-STL
9h 34m2 stops
Delta Logo
6:00 am - 10:26 amSTL-DSM
4h 26m1 stop
$182Delta
Find Deal
Thu, Oct 16 - Tue, Oct 21
Frontier Logo
2:37 pm - 9:07 amDSM-STL
18h 30m1 stop
Frontier Logo
7:52 pm - 1:52 pmSTL-DSM
18h 00m1 stop
$199Frontier
Find Deal
Wed, Oct 15 - Sat, Oct 18
American Airlines Logo
7:30 am - 1:44 pmDSM-STL
6h 14m1 stop
American Airlines Logo
8:49 am - 3:03 pmSTL-DSM
6h 14m1 stop
$219American Airlines
Find Deal
Wed, Oct 22 - Sun, Oct 26
United Airlines Logo
8:00 am - 2:27 pmDSM-STL
6h 27m1 stop
United Airlines Logo
6:30 am - 10:30 amSTL-DSM
4h 00m1 stop
$244United Airlines
Find Deal

Everything you should know

Cheapest round-trip
$97
Overall average: $253
Southwest
Thu 10/16Tue 10/21
DSM - STL • Non-stop
Cheapest one-way
$49
Typical prices: $141-277
Southwest
Thu 10/16
DSM - STL • Non-stop
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to St. Louis!
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$49
Best time to beat the crowds with an average 3% drop in price.
Most popular time to fly and prices are also 6% 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.

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
O'Fallon
Wentzville
Farmington
Eureka
Litchfield
Grafton
Glencoe
Shrewsbury

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

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

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