What airlines fly to Iowa?

United Airlines, Southwest and Delta are the top three most popular airlines that fly to Iowa from St. Louis according to our data. United Airlines is the first choice among our users, with 52% of people opting to fly with this airline when traveling to Iowa. Keep in mind that there are 3 different airlines that fly to Iowa on a routine basis, so you have a few additional options to choose from.

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

Frontier, Delta, and Southwest are the most popular carriers operating from Lambert-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 3 operators available for flights from Lambert-St Louis Airport to Iowa as of November 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.

$112 Cheap Flights from St. Louis to Iowa in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Iowa

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:40 am - 10:55 amSTL Lambert-St Louis-DSM Des Moines

5h 15m1 stop Nashville Intl

6:55 am - 12:05 pmDSM Des Moines-STL Lambert-St Louis

5h 10m1 stop Denver Intl

$271Southwest

Mon, Jan 18 - Wed, Jan 20

4:40 pm - 10:05 pmSTL Lambert-St Louis-DSM Des Moines

5h 25m1 stop Chicago Midway

6:55 am - 2:50 pmDSM Des Moines-STL Lambert-St Louis

7h 55m1 stop Denver Intl

$271Southwest

Tue, Jan 5 - Tue, Jan 12

6:30 am - 12:39 pmSTL Lambert-St Louis-DSM Des Moines

6h 09m1 stop Chicago O'Hare Intl

8:00 am - 12:22 pmDSM Des Moines-STL Lambert-St Louis

4h 22m1 stop Chicago O'Hare Intl

$271United Airlines

Fri, Dec 11 - Mon, Dec 14

6:45 pm - 11:14 pmSTL Lambert-St Louis-DSM Des Moines

4h 29m1 stop Chicago O'Hare Intl

4:46 pm - 11:20 pmDSM Des Moines-STL Lambert-St Louis

6h 34m1 stop Chicago O'Hare Intl

$271United Airlines

Mon, Jan 18 - Wed, Jan 20

8:24 pm - 12:33 amSTL Lambert-St Louis-DSM Des Moines

4h 09m1 stop Chicago O'Hare Intl

7:31 pm - 12:02 amDSM Des Moines-STL Lambert-St Louis

4h 31m1 stop Chicago O'Hare Intl

$271American Airlines

Mon, Dec 7 - Fri, Dec 11

5:40 am - 10:55 amSTL Lambert-St Louis-DSM Des Moines

5h 15m1 stop Nashville Intl

8:00 am - 8:10 pmDSM Des Moines-STL Lambert-St Louis

12h 10m2 stops Nashville Intl Dallas Love Field

$276Southwest

Mon, Jan 18 - Wed, Jan 20

8:24 pm - 12:33 amSTL Lambert-St Louis-DSM Des Moines

4h 09m1 stop Chicago O'Hare Intl

7:31 pm - 12:02 amDSM Des Moines-STL Lambert-St Louis

4h 31m1 stop Chicago O'Hare Intl

$299American Airlines

Fri, Dec 4 - Sun, Dec 6

6:58 pm - 10:45 pmSTL Lambert-St Louis-CID Cedar Rapids

3h 47m1 stop Chicago O'Hare Intl

6:00 am - 10:42 amCID Cedar Rapids-STL Lambert-St Louis

4h 42m1 stop Chicago O'Hare Intl

$309United Airlines

Fri, Dec 25 - Tue, Dec 29

5:20 pm - 9:31 pmSTL Lambert-St Louis-DSM Des Moines

4h 11m1 stop Minneapolis St Paul

4:53 pm - 11:26 pmDSM Des Moines-STL Lambert-St Louis

6h 33m1 stop Minneapolis St Paul

$327Delta

Fri, Dec 4 - Sat, Dec 5

3:32 pm - 9:31 pmSTL Lambert-St Louis-DSM Des Moines

5h 59m1 stop Minneapolis St Paul

4:53 pm - 11:26 pmDSM Des Moines-STL Lambert-St Louis

6h 33m1 stop Minneapolis St Paul

$327Delta

Thu, Dec 3 - Sat, Dec 5

Cheap last minute flights

Enter your travel dates to find the best prices.

6:00 am - 10:24 amSTL Lambert-St Louis-CID Cedar Rapids

4h 24m1 stop Chicago O'Hare Intl

6:00 am - 10:32 amCID Cedar Rapids-STL Lambert-St Louis

4h 32m1 stop Chicago O'Hare Intl

$349United Airlines

Sun, Nov 8 - Sun, Nov 15

8:15 pm - 11:39 pmSTL Lambert-St Louis-CID Cedar Rapids

3h 24m1 stop Chicago O'Hare Intl

6:14 pm - 11:59 pmCID Cedar Rapids-STL Lambert-St Louis

5h 45m1 stop Chicago O'Hare Intl

$349American Airlines

Thu, Nov 12 - Mon, Nov 16

7:26 am - 11:48 amSTL Lambert-St Louis-CID Cedar Rapids

4h 22m1 stop Chicago O'Hare Intl

6:14 pm - 11:59 pmCID Cedar Rapids-STL Lambert-St Louis

5h 45m1 stop Chicago O'Hare Intl

$349American Airlines

Thu, Nov 12 - Tue, Nov 17

6:00 am - 10:32 amSTL Lambert-St Louis-DSM Des Moines

4h 32m1 stop Chicago O'Hare Intl

1:05 pm - 6:09 pmDSM Des Moines-STL Lambert-St Louis

5h 04m1 stop Chicago O'Hare Intl

$533United Airlines

Sat, Nov 7 - Sat, Nov 7

4:50 pm - 10:05 pmSTL Lambert-St Louis-DSM Des Moines

5h 15m1 stop Denver Intl

5:25 am - 10:05 amDSM Des Moines-STL Lambert-St Louis

4h 40m1 stop Chicago Midway

$539Southwest

Sun, Nov 8 - Mon, Nov 9

6:21 am - 10:11 amSTL Lambert-St Louis-DSM Des Moines

3h 50m1 stop Minneapolis St Paul

7:51 pm - 11:28 pmDSM Des Moines-STL Lambert-St Louis

3h 37m1 stop Minneapolis St Paul

$539Delta

Sat, Nov 7 - Sun, Nov 8

10:45 am - 7:45 pmSTL Lambert-St Louis-DSM Des Moines

9h 00m2 stops Atlanta Hartsfield-Jackson Chicago Midway

5:25 am - 10:05 amDSM Des Moines-STL Lambert-St Louis

4h 40m1 stop Chicago Midway

$544Southwest

Sat, Nov 7 - Sun, Nov 8

4:40 pm - 11:05 pmSTL Lambert-St Louis-DSM Des Moines

6h 25m1 stop Chicago Midway

4:25 pm - 11:55 pmDSM Des Moines-STL Lambert-St Louis

7h 30m2 stops Chicago Midway Nashville Intl

$544Southwest

Sun, Nov 8 - Mon, Nov 9

8:50 am - 4:07 pmSTL Lambert-St Louis-DSM Des Moines

7h 17m1 stop Denver Intl

6:45 pm - 11:24 pmDSM Des Moines-STL Lambert-St Louis

4h 39m1 stop Chicago O'Hare Intl

$567United Airlines

Thu, Nov 12 - Mon, Nov 16

1:28 pm - 11:55 amSTL Lambert-St Louis-CID Cedar Rapids

22h 27m1 stop Las Vegas Harry Reid Intl

6:01 pm - 3:23 pmCID Cedar Rapids-STL Lambert-St Louis

45h 22m2 stops Orlando Sanford Intl Denver Intl

$601Multiple Airlines

Thu, Nov 12 - Mon, Nov 16

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American Airlines flights from St. Louis to Iowa

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

American Airlines

Dec 4

STL8:24 pmLambert-St Louis

4h 09m

1 stop

DSM12:33 amDes Moines

Dec 6

DSM7:31 pmDes Moines

4h 31m

1 stop

STL12:02 amLambert-St Louis

$299

American Airlines

Nov 30

STL5:00 amLambert-St Louis

4h 01m

1 stop

DSM9:01 amDes Moines

Dec 7

DSM7:31 pmDes Moines

4h 31m

1 stop

STL12:02 amLambert-St Louis

$336

American Airlines

Nov 19

STL7:26 amLambert-St Louis

4h 08m

1 stop

CID11:34 amCedar Rapids

Nov 23

CID6:17 pmCedar Rapids

5h 44m

1 stop

STL12:01 amLambert-St Louis

$349

Southwest flights from St. Louis to Iowa

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

Southwest

Jan 18

STL5:40 amLambert-St Louis

5h 15m

1 stop

DSM10:55 amDes Moines

Jan 20

DSM6:55 amDes Moines

5h 10m

1 stop

STL12:05 pmLambert-St Louis

$271

Southwest

Jan 5

STL4:40 pmLambert-St Louis

5h 25m

1 stop

DSM10:05 pmDes Moines

Jan 12

DSM8:00 amDes Moines

10h 05m

2 stops

STL6:05 pmLambert-St Louis

$276

Southwest

Jan 5

STL2:20 pmLambert-St Louis

7h 45m

2 stops

DSM10:05 pmDes Moines

Jan 12

DSM8:00 amDes Moines

12h 15m

2 stops

STL8:15 pmLambert-St Louis

$281

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisDes Moines

STL Lambert-St Louis - DSM Des Moines

STLDSM

Lambert-St Louis

Mon 1/18

5:40 am-10:55 am

1 stop5h 15m

Des Moines

Wed 1/20

6:55 am-12:05 pm

1 stop5h 10m

$271

St. LouisDes Moines

STL Lambert-St Louis - DSM Des Moines

STLDSM

Lambert-St Louis

Tue 1/5

4:40 pm-10:05 pm

1 stop5h 25m

Des Moines

Tue 1/12

6:55 am-2:50 pm

1 stop7h 55m

$271

St. LouisDes Moines

STL Lambert-St Louis - DSM Des Moines

STLDSM

Lambert-St Louis

Fri 12/11

6:30 am-12:39 pm

1 stop6h 09m

Des Moines

Mon 12/14

8:00 am-12:22 pm

1 stop4h 22m

$271

St. LouisDes Moines

STL Lambert-St Louis - DSM Des Moines

STLDSM

Lambert-St Louis

Mon 1/18

6:45 pm-11:14 pm

1 stop4h 29m

Des Moines

Wed 1/20

4:46 pm-11:20 pm

1 stop6h 34m

$271

St. LouisDes Moines

STL Lambert-St Louis - DSM Des Moines

STLDSM

Lambert-St Louis

Mon 12/7

8:24 pm-12:33 am

1 stop4h 09m

Des Moines

Fri 12/11

7:31 pm-12:02 am

1 stop4h 31m

$271

St. LouisDes Moines

STL Lambert-St Louis - DSM Des Moines

STLDSM

Lambert-St Louis

Mon 1/18

5:40 am-10:55 am

1 stop5h 15m

Des Moines

Wed 1/20

8:00 am-8:10 pm

2 stops12h 10m

$276

St. LouisDes Moines

STL Lambert-St Louis - DSM Des Moines

STLDSM

Lambert-St Louis

Fri 12/4

8:24 pm-12:33 am

1 stop4h 09m

Des Moines

Sun 12/6

7:31 pm-12:02 am

1 stop4h 31m

$299

Quickest round-trip

St. LouisCedar Rapids

STL Lambert-St Louis - CID Cedar Rapids

STLCID

Lambert-St Louis

Fri 12/25

6:58 pm-10:45 pm

1 stop3h 47m

Cedar Rapids

Tue 12/29

6:00 am-10:42 am

1 stop4h 42m

$309

St. LouisDes Moines

STL Lambert-St Louis - DSM Des Moines

STLDSM

Lambert-St Louis

Fri 12/4

5:20 pm-9:31 pm

1 stop4h 11m

Des Moines

Sat 12/5

4:53 pm-11:26 pm

1 stop6h 33m

$327

St. LouisDes Moines

STL Lambert-St Louis - DSM Des Moines

STLDSM

Lambert-St Louis

Thu 12/3

3:32 pm-9:31 pm

1 stop5h 59m

Des Moines

Sat 12/5

4:53 pm-11:26 pm

1 stop6h 33m

$327

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

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 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 25% 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	$112
Fastest flight time	1h 15m
Direct flights	None

The best one-way flight to Iowa from St. Louis in the past 72 hours is $112. The best round-trip flight deal from St. Louis to Iowa found on momondo in the last 72 hours is $271.

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

There are no direct flights from St. Louis to Iowa. There are no popular flight routes from St. Louis to Iowa.

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 3 operators available for flights from Lambert-St Louis Airport to Iowa as of November 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 20.00% of the total bookings. Other popular models include Boeing 737 MAX 8 with 10.00%, Airbus A320neo with 10.00%, and Airbus A321-100/200 with 10.00%.

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
Delta	PriceFrom $196	Free Cancellation	Rating 7.8 8,701 reviews	Search Delta flights
Southwest	PriceFrom $250	Free Cancellation	Rating 8.0 4,212 reviews	Search Southwest flights
United Airlines	PriceFrom $262	Free Cancellation	Rating 7.3 10,470 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.