What is the cheapest airline that flies from Lambert-St Louis to Iowa?

Frontier, Southwest, and Delta are the most popular carriers operating from Lambert-St Louis to Iowa

How many flights depart from St. Louis to Iowa on average per week?

The number of flights available between St. Louis and Iowa is 5 per week as of September 2026. The most frequent departure day is Wed, with 60% of weekly flights leaving on this day.

When did momondo last update prices for flights from Lambert-St Louis Airport to Iowa?

Prices for flights from Lambert-St Louis Airport to Iowa refresh daily.

How many operators does momondo search for flights from Lambert-St Louis Airport to Iowa?

There are 2 operators available for flights from Lambert-St Louis Airport to Iowa as of September 2026.

How old do you have to be to fly from Lambert-St Louis Airport to Iowa?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Iowa.

What documentation or ID do you need to fly to Iowa?

The travel and health documents you'll need for your trip to Iowa may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Iowa. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$113 Cheap Flights from St. Louis to Iowa in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Iowa

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:35 am - 9:50 amSTL Lambert-St Louis-OMA Omaha Eppley Airfield

1h 15mnonstop

5:55 pm - 7:05 pmOMA Omaha Eppley Airfield-STL Lambert-St Louis

1h 10mnonstop

$277Southwest

Thu, Oct 1 - Mon, Oct 5

8:35 am - 9:50 amSTL Lambert-St Louis-OMA Omaha Eppley Airfield

1h 15mnonstop

4:35 pm - 5:45 pmOMA Omaha Eppley Airfield-STL Lambert-St Louis

1h 10mnonstop

$277Southwest

Tue, Oct 6 - Tue, Oct 13

5:00 am - 8:56 amSTL Lambert-St Louis-DSM Des Moines

3h 56m1 stop Chicago O'Hare Intl

7:29 am - 12:35 pmDSM Des Moines-STL Lambert-St Louis

5h 06m1 stop Chicago O'Hare Intl

$281American Airlines

Wed, Oct 7 - Tue, Oct 13

6:15 am - 10:17 amSTL Lambert-St Louis-DSM Des Moines

4h 02m1 stop Minneapolis St Paul

7:51 pm - 11:21 pmDSM Des Moines-STL Lambert-St Louis

3h 30m1 stop Minneapolis St Paul

$281Delta

Mon, Oct 5 - Wed, Oct 7

6:10 pm - 11:15 pmSTL Lambert-St Louis-DSM Des Moines

5h 05m1 stop Chicago Midway

5:35 am - 2:55 pmDSM Des Moines-STL Lambert-St Louis

9h 20m2 stops Chicago Midway Nashville Intl

$286Southwest

Mon, Oct 5 - Wed, Oct 7

2:20 pm - 10:00 pmSTL Lambert-St Louis-DSM Des Moines

7h 40m2 stops Atlanta Hartsfield-Jackson Chicago Midway

5:35 am - 10:50 amDSM Des Moines-STL Lambert-St Louis

5h 15m1 stop Chicago Midway

$286Southwest

Wed, Oct 7 - Tue, Oct 13

12:28 pm - 7:11 pmSTL Lambert-St Louis-DSM Des Moines

6h 43m1 stop Minneapolis St Paul

7:51 pm - 11:21 pmDSM Des Moines-STL Lambert-St Louis

3h 30m1 stop Minneapolis St Paul

$297Delta

Fri, Oct 9 - Fri, Oct 16

6:00 am - 10:31 amSTL Lambert-St Louis-DSM Des Moines

4h 31m1 stop Chicago O'Hare Intl

6:00 am - 10:48 amDSM Des Moines-STL Lambert-St Louis

4h 48m1 stop Chicago O'Hare Intl

$329United Airlines

Sat, Oct 3 - Sat, Oct 10

5:10 am - 10:54 amSTL Lambert-St Louis-FOD Fort Dodge

5h 44m1 stop Denver Intl

11:29 am - 3:43 pmFOD Fort Dodge-STL Lambert-St Louis

4h 14m1 stop Chicago O'Hare Intl

$354United Airlines

Sat, Oct 17 - Wed, Oct 21

5:10 am - 10:54 amSTL Lambert-St Louis-FOD Fort Dodge

5h 44m1 stop Denver Intl

11:29 am - 3:43 pmFOD Fort Dodge-STL Lambert-St Louis

4h 14m1 stop Chicago O'Hare Intl

$374United Airlines

Sat, Oct 17 - Wed, Oct 21

Cheap last minute flights

Enter your travel dates to find the best prices.

3:34 pm - 11:05 pmSTL Lambert-St Louis-OMA Omaha Eppley Airfield

7h 31m1 stop Dallas/Fort Worth

4:08 pm - 8:57 pmOMA Omaha Eppley Airfield-STL Lambert-St Louis

4h 49m1 stop Chicago O'Hare Intl

$446American Airlines

Wed, Sep 16 - Mon, Oct 19

5:00 am - 9:51 amSTL Lambert-St Louis-OMA Omaha Eppley Airfield

4h 51m1 stop Chicago O'Hare Intl

4:29 pm - 9:59 pmOMA Omaha Eppley Airfield-STL Lambert-St Louis

5h 30m1 stop Dallas/Fort Worth

$446American Airlines

Wed, Sep 16 - Sat, Oct 17

5:00 am - 9:51 amSTL Lambert-St Louis-OMA Omaha Eppley Airfield

4h 51m1 stop Chicago O'Hare Intl

7:57 pm - 12:19 amOMA Omaha Eppley Airfield-STL Lambert-St Louis

4h 22m1 stop Chicago O'Hare Intl

$446American Airlines

Wed, Sep 16 - Tue, Oct 13

3:00 pm - 7:30 pmSTL Lambert-St Louis-DSM Des Moines

4h 30m1 stop Chicago Midway

3:50 pm - 10:10 pmDSM Des Moines-STL Lambert-St Louis

6h 20m1 stop Chicago Midway

$499Southwest

Sat, Sep 12 - Mon, Sep 14

1:49 pm - 7:21 pmSTL Lambert-St Louis-DSM Des Moines

5h 32m1 stop Chicago O'Hare Intl

7:58 pm - 12:27 amDSM Des Moines-STL Lambert-St Louis

4h 29m1 stop Chicago O'Hare Intl

$499American Airlines

Thu, Sep 10 - Fri, Sep 11

7:50 am - 7:30 pmSTL Lambert-St Louis-DSM Des Moines

11h 40m2 stops Nashville Intl Chicago Midway

3:50 pm - 7:05 pmDSM Des Moines-STL Lambert-St Louis

3h 15m1 stop Chicago Midway

$504Southwest

Sat, Sep 12 - Mon, Sep 14

2:20 pm - 10:15 pmSTL Lambert-St Louis-DSM Des Moines

7h 55m1 stop Chicago Midway

7:20 am - 3:35 pmDSM Des Moines-STL Lambert-St Louis

8h 15m2 stops Denver Intl Omaha Eppley Airfield

$510Southwest

Thu, Sep 10 - Sat, Sep 12

6:30 am - 11:40 amSTL Lambert-St Louis-OMA Omaha Eppley Airfield

5h 10m1 stop Chicago Midway

5:55 pm - 7:05 pmOMA Omaha Eppley Airfield-STL Lambert-St Louis

1h 10mnonstop

$536Southwest

Wed, Sep 16 - Mon, Oct 19

6:15 am - 2:14 pmSTL Lambert-St Louis-DSM Des Moines

7h 59m1 stop Houston George Bush Intcntl

1:23 pm - 8:00 pmDSM Des Moines-STL Lambert-St Louis

6h 37m1 stop Chicago O'Hare Intl

$589United Airlines

Thu, Sep 10 - Fri, Sep 11

8:30 am - 2:20 pmSTL Lambert-St Louis-DSM Des Moines

5h 50m1 stop Chicago O'Hare Intl

3:22 pm - 9:36 pmDSM Des Moines-STL Lambert-St Louis

6h 14m1 stop Chicago O'Hare Intl

$687United Airlines

Thu, Sep 10 - Fri, Sep 11

Cheap direct flights

Enter your travel dates to find the best prices.

8:35 am - 9:50 amSTL Lambert-St Louis-OMA Omaha Eppley Airfield

1h 15mnonstop

5:55 pm - 7:05 pmOMA Omaha Eppley Airfield-STL Lambert-St Louis

1h 10mnonstop

$277Southwest

Thu, Oct 1 - Mon, Oct 5

8:35 am - 9:50 amSTL Lambert-St Louis-OMA Omaha Eppley Airfield

1h 15mnonstop

4:35 pm - 5:45 pmOMA Omaha Eppley Airfield-STL Lambert-St Louis

1h 10mnonstop

$277Southwest

Tue, Oct 6 - Tue, Oct 13

8:25 am - 9:40 amSTL Lambert-St Louis-OMA Omaha Eppley Airfield

1h 15mnonstop

4:35 pm - 5:45 pmOMA Omaha Eppley Airfield-STL Lambert-St Louis

1h 10mnonstop

$315Southwest

Sat, Oct 3 - Wed, Oct 7

8:30 am - 9:45 amSTL Lambert-St Louis-OMA Omaha Eppley Airfield

1h 15mnonstop

5:55 pm - 7:05 pmOMA Omaha Eppley Airfield-STL Lambert-St Louis

1h 10mnonstop

$322Southwest

Sun, Oct 4 - Mon, Oct 5

8:25 am - 9:40 amSTL Lambert-St Louis-OMA Omaha Eppley Airfield

1h 15mnonstop

5:55 pm - 7:10 pmOMA Omaha Eppley Airfield-STL Lambert-St Louis

1h 15mnonstop

$350Southwest

Thu, Nov 19 - Sun, Nov 22

8:35 am - 9:50 amSTL Lambert-St Louis-OMA Omaha Eppley Airfield

1h 15mnonstop

5:55 pm - 7:05 pmOMA Omaha Eppley Airfield-STL Lambert-St Louis

1h 10mnonstop

$353Southwest

Thu, Oct 22 - Thu, Oct 29

9:50 pm - 11:10 pmSTL Lambert-St Louis-OMA Omaha Eppley Airfield

1h 20mnonstop

5:55 pm - 7:10 pmOMA Omaha Eppley Airfield-STL Lambert-St Louis

1h 15mnonstop

$353Southwest

Fri, Oct 30 - Fri, Nov 6

8:25 pm - 9:40 pmSTL Lambert-St Louis-OMA Omaha Eppley Airfield

1h 15mnonstop

8:15 am - 9:35 amOMA Omaha Eppley Airfield-STL Lambert-St Louis

1h 20mnonstop

$353Southwest

Thu, Dec 3 - Mon, Dec 7

8:30 am - 9:45 amSTL Lambert-St Louis-OMA Omaha Eppley Airfield

1h 15mnonstop

5:55 pm - 7:05 pmOMA Omaha Eppley Airfield-STL Lambert-St Louis

1h 10mnonstop

$388Southwest

Sun, Oct 4 - Thu, Oct 8

8:30 am - 9:45 amSTL Lambert-St Louis-OMA Omaha Eppley Airfield

1h 15mnonstop

4:35 pm - 5:45 pmOMA Omaha Eppley Airfield-STL Lambert-St Louis

1h 10mnonstop

$442Southwest

Sun, Oct 4 - Wed, Oct 7

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Southwest flights from St. Louis to Iowa

Our best Southwest deals on St. Louis to Iowa flight tickets

Southwest

Oct 1

STL8:35 amLambert-St Louis

1h 15m

OMA9:50 amOmaha Eppley Airfield

Oct 5

OMA5:55 pmOmaha Eppley Airfield

1h 10m

STL7:05 pmLambert-St Louis

$277

Southwest

Oct 5

STL6:10 pmLambert-St Louis

5h 05m

1 stop

DSM11:15 pmDes Moines

Oct 7

DSM5:35 amDes Moines

9h 20m

2 stops

STL2:55 pmLambert-St Louis

$286

Southwest

Oct 1

STL8:35 amLambert-St Louis

1h 15m

OMA9:50 amOmaha Eppley Airfield

Oct 5

OMA5:05 pmOmaha Eppley Airfield

5h 25m

1 stop

STL10:30 pmLambert-St Louis

$287

United Airlines flights from St. Louis to Iowa

Our best United Airlines deals on St. Louis to Iowa flight tickets

United Airlines

Oct 3

STL6:00 amLambert-St Louis

4h 31m

1 stop

DSM10:31 amDes Moines

Oct 10

DSM6:00 amDes Moines

4h 48m

1 stop

STL10:48 amLambert-St Louis

$329

United Airlines

Oct 17

STL5:10 amLambert-St Louis

5h 44m

1 stop

FOD10:54 amFort Dodge

Oct 21

FOD11:29 amFort Dodge

4h 14m

1 stop

STL3:43 pmLambert-St Louis

$354

United Airlines

Oct 17

STL5:10 amLambert-St Louis

5h 44m

1 stop

FOD10:54 amFort Dodge

Oct 21

FOD11:29 amFort Dodge

4h 14m

1 stop

STL3:43 pmLambert-St Louis

$374

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

St. LouisOmaha

STL Lambert-St Louis - OMA Omaha Eppley Airfield

STLOMA

Lambert-St Louis

Thu 10/1

8:35 am-9:50 am

Nonstop1h 15m

Omaha Eppley Airfield

Mon 10/5

5:55 pm-7:05 pm

Nonstop1h 10m

$277

St. LouisOmaha

STL Lambert-St Louis - OMA Omaha Eppley Airfield

STLOMA

Lambert-St Louis

Tue 10/6

8:35 am-9:50 am

Nonstop1h 15m

Omaha Eppley Airfield

Tue 10/13

4:35 pm-5:45 pm

Nonstop1h 10m

$277

St. LouisDes Moines

STL Lambert-St Louis - DSM Des Moines

STLDSM

Lambert-St Louis

Wed 10/7

5:00 am-8:56 am

1 stop3h 56m

Des Moines

Tue 10/13

7:29 am-12:35 pm

1 stop5h 06m

$281

St. LouisDes Moines

STL Lambert-St Louis - DSM Des Moines

STLDSM

Lambert-St Louis

Mon 10/5

6:15 am-10:17 am

1 stop4h 02m

Des Moines

Wed 10/7

7:51 pm-11:21 pm

1 stop3h 30m

$281

St. LouisDes Moines

STL Lambert-St Louis - DSM Des Moines

STLDSM

Lambert-St Louis

Mon 10/5

6:10 pm-11:15 pm

1 stop5h 05m

Des Moines

Wed 10/7

5:35 am-2:55 pm

2 stops9h 20m

$286

St. LouisDes Moines

STL Lambert-St Louis - DSM Des Moines

STLDSM

Lambert-St Louis

Wed 10/7

2:20 pm-10:00 pm

2 stops7h 40m

Des Moines

Tue 10/13

5:35 am-10:50 am

1 stop5h 15m

$286

St. LouisDes Moines

STL Lambert-St Louis - DSM Des Moines

STLDSM

Lambert-St Louis

Fri 10/9

12:28 pm-7:11 pm

1 stop6h 43m

Des Moines

Fri 10/16

7:51 pm-11:21 pm

1 stop3h 30m

$297

St. LouisDes Moines

STL Lambert-St Louis - DSM Des Moines

STLDSM

Lambert-St Louis

Sat 10/3

6:00 am-10:31 am

1 stop4h 31m

Des Moines

Sat 10/10

6:00 am-10:48 am

1 stop4h 48m

$329

St. LouisFort Dodge

STL Lambert-St Louis - FOD Fort Dodge

STLFOD

Lambert-St Louis

Sat 10/17

5:10 am-10:54 am

1 stop5h 44m

Fort Dodge

Wed 10/21

11:29 am-3:43 pm

1 stop4h 14m

$354

St. LouisFort Dodge

STL Lambert-St Louis - FOD Fort Dodge

STLFOD

Lambert-St Louis

Sat 10/17

5:10 am-10:54 am

1 stop5h 44m

Fort Dodge

Wed 10/21

11:29 am-3:43 pm

1 stop4h 14m

$374

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from St. Louis to Iowa

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Iowa?

The month of April is another great option to travel to Iowa, with average flight prices from St. Louis averaging around $0.

What is the cheapest day to depart on your flight to Iowa?

The cheapest day to depart from St. Louis to Iowa is on a Wednesday when prices can be found for as low as $415. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $725. These prices are subject to change though, so be sure to set up a Price Alert for flights to Iowa.

What is the cheapest time of day to depart on your flight to Iowa?

Our most recent data shows that the best time of day to fly to Iowa is in the morning. Flights from St. Louis to Iowa during this time can be as low as $501. Try not to purchase tickets in the evening because they tend to be around $680. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Lambert-St Louis to Iowa flight route?

Fly from Lambert-St Louis to Des Moines for the best Lambert-St Louis - Iowa flight prices

What cabin class options are available on St. Louis to Iowa flights?

There is only 1 cabin class available to choose from on St. Louis to Iowa flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on St. Louis to Iowa flights?

You could potentially save up to 48% on your flight if you consider stops on a St. Louis to Iowa flight.

Cheap St. Louis to Iowa flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Iowa

Best Price Found	$113
Fastest flight time	1h 15m
Direct flights	Mon, Tue, Wed, Thu, Fri and Sat
Airports in Iowa	41 airports

The best one-way flight to Iowa from St. Louis in the past 72 hours is $113. The best round-trip flight deal from St. Louis to Iowa found on momondo in the last 72 hours is $277.

The fastest flight from St. Louis to Iowa takes 1h 15m

Direct flights go from St. Louis to Iowa on Monday, Tuesday, Wednesday, Thursday, Friday and Saturday. The only airline offering direct flights is Southwest.

There are 41 airports in Iowa. From St. Louis there are direct flights to Omaha Eppley Airfield (OMA).

Search flight deals

Frequently asked questions about flying from St. Louis to Iowa

When did momondo last update prices for flights from Lambert-St Louis Airport to Iowa?
Prices for flights from Lambert-St Louis Airport to Iowa refresh daily.
How many operators does momondo search for flights from Lambert-St Louis Airport to Iowa?
There are 2 operators available for flights from Lambert-St Louis Airport to Iowa as of September 2026.
How old do you have to be to fly from Lambert-St Louis Airport to Iowa?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Iowa.
What documentation or ID do you need to fly to Iowa?
The travel and health documents you'll need for your trip to Iowa may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Iowa. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from St. Louis to Iowa?
Based on momondo bookings for flights between St. Louis and Iowa, the leading plane model is Airbus A320-100/200, making up 16.67% of the total bookings. Other popular models include Boeing 737 MAX 8 with 11.11%, Airbus A319 with 11.11%, and Airbus A320neo with 5.56%.

Best airlines flying from St. Louis to Iowa

Compare and see reviews for airlines that fly from St. Louis to Iowa with momondo

Airline	Rating	Free Cancellation	Price
Southwest	PriceFrom $77	Free Cancellation	Rating 8.0 4,195 reviews		Search Southwest flights
United Airlines	PriceFrom $262	Free Cancellation	Rating 7.4 10,194 reviews		Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Iowa?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from St. Louis to Iowa. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from St. Louis to Iowa with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Iowa from St. Louis with this policy.

How can momondo help me find flights from St. Louis to Iowa?

Once all potential St. Louis to Iowa flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from St. Louis to Iowa right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of St. Louis to Iowa flights. All you need is a valid email address and we will do the rest; it is that quick and easy.