STL

$100 Find Cheap Flights from Iowa to St. Louis - Compare and Save

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 7/21. 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, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to St. Louis

Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 21% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Flight Deals
Useful Info
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, Jul 30 - Thu, Aug 6
Multiple Airlines Logo
5:08 pm - 8:57 am
DSM
-
STL
39h 49m
2 stops
Multiple Airlines Logo
7:10 pm - 8:31 pm
STL
-
DSM
25h 21m
1 stop
$227Multiple Airlines
Mon, Jul 20 - Thu, Jul 23
Multiple Airlines Logo
10:01 pm - 6:05 pm
DSM
-
STL
20h 04m
1 stop
Multiple Airlines Logo
7:10 pm - 9:11 pm
STL
-
DSM
26h 01m
1 stop
$260Multiple Airlines
Mon, Jul 6 - Tue, Jul 14
Frontier Logo
2:19 pm - 7:23 pm
DSM
-
STL
5h 04m
1 stop
Frontier Logo
8:08 pm - 1:34 pm
STL
-
DSM
17h 26m
1 stop
$261Frontier
Thu, Jul 16 - Sat, Jul 18
Frontier Logo
8:15 pm - 7:23 pm
OMA
-
STL
23h 08m
1 stop
Frontier Logo
8:08 pm - 7:15 pm
STL
-
OMA
23h 07m
1 stop
$264Frontier
Fri, Jul 3 - Tue, Jul 7
American Airlines Logo
9:02 am - 12:57 pm
DSM
-
STL
3h 55m
1 stop
American Airlines Logo
6:55 am - 1:05 pm
STL
-
DSM
6h 10m
1 stop
$283American Airlines
Mon, Jul 6 - Tue, Jul 14
American Airlines Logo
6:33 pm - 12:16 am
DSM
-
STL
5h 43m
1 stop
American Airlines Logo
5:58 pm - 12:01 am
STL
-
DSM
6h 03m
1 stop
$304American Airlines
Fri, Sep 4 - Mon, Sep 7
United Airlines Logo
6:00 am - 10:12 am
DSM
-
STL
4h 12m
1 stop
United Airlines Logo
8:50 am - 2:16 pm
STL
-
DSM
5h 26m
1 stop
$312United Airlines
Thu, Aug 20 - Sat, Aug 22
Southwest Logo
4:50 pm - 6:05 pm
OMA
-
STL
1h 15mnonstop
Southwest Logo
8:30 am - 9:45 am
STL
-
OMA
1h 15mnonstop
$317Southwest
Tue, Aug 18 - Wed, Aug 19
United Airlines Logo
11:19 am - 3:38 pm
OMA
-
STL
4h 19m
1 stop
United Airlines Logo
9:30 am - 2:04 pm
STL
-
OMA
4h 34m
1 stop
$325United Airlines
Thu, Aug 20 - Sat, Aug 22
Southwest Logo
3:20 pm - 7:45 pm
OMA
-
STL
4h 25m
1 stop
Southwest Logo
2:25 pm - 3:40 pm
STL
-
OMA
1h 15mnonstop
$327Southwest
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$100
Best time to beat the crowds with an average 1% drop in price.
Most popular time to fly and prices are also 2% lower on average.
Flight from Omaha 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
Shrewsbury
Glencoe

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)