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$74+ Cheap flights from Iowa to St. Louis (STL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
DSM — STL
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
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Cheap flight deals from Iowa to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Iowa (USIA) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 20, 2024.

Find flight deals from Iowa to St. Louis

Cheapest flights from Iowa to St. Louis
Explore the most affordable flight options available from Iowa to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2024.

This Delta deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/126:34 pmDSM - STL
1 stop5h 09mDelta
Mon 12/166:00 amSTL - DSM
1 stop5h 40mDelta
Deal found 11/20$182
This American Airlines deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/189:52 amALO - STL
1 stop6h 29mAmerican Airlines
Wed 12/255:45 amSTL - ALO
1 stop3h 55mAmerican Airlines
Deal found 11/20$218
This American Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/115:03 amDSM - STL
1 stop7h 53mAmerican Airlines
Fri 12/137:08 amSTL - DSM
1 stop5h 40mAmerican Airlines
Deal found 11/19$244
This Southwest deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/184:00 pmOMA - STL
Nonstop1h 15mSouthwest
Wed 12/2511:00 amSTL - OMA
Nonstop1h 20mSouthwest
Deal found 11/18$298
This American Airlines deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1812:00 pmOMA - STL
1 stop10h 05mAmerican Airlines
Wed 12/255:45 amSTL - OMA
1 stop4h 28mAmerican Airlines
Deal found 11/18$310
This Delta deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/316:23 amOMA - STL
1 stop4h 43mDelta
Fri 1/36:04 amSTL - OMA
1 stop6h 28mDelta
Deal found 11/19$333
This CheapOair deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/227:06 pmDSM - STL
1 stop5h 00mFrontier
Sun 11/245:38 pmSTL - DSM
1 stop23h 59mFrontier
Deal found 11/19$338
This United Airlines deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/511:29 amOMA - STL
1 stop4h 05mUnited Airlines
Mon 12/95:40 pmSTL - OMA
1 stop4h 01mUnited Airlines
Deal found 11/20$408
This United Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/115:06 pmDSM - STL
2 stops22h 28mUnited Airlines
Fri 12/135:40 pmSTL - DSM
1 stop4h 06mUnited Airlines
Deal found 11/19$457
This American Airlines deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/55:58 amLSE - STL
1 stop3h 47mAmerican Airlines
Mon 12/95:40 pmSTL - LSE
1 stop4h 24mAmerican Airlines
Deal found 11/20$500
This Southwest deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2711:40 amDSM - STL
1 stop6h 45mSouthwest
Fri 11/2911:00 amSTL - DSM
Nonstop1h 10mSouthwest
Deal found 11/19$575
This Mytrip deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/248:00 amDSM - STL
1 stop8h 26mMultiple Airlines
Sun 12/19:50 amSTL - DSM
2 stops10h 13mMultiple Airlines
Deal found 11/20$603

Find flights from Iowa to St. Louis within your budget

Customize your flight search to find flights from Iowa to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,629,791 searches. Data last updated November 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Des MoinesSt. Louis

DSM - STL

DSMSTL

Des Moines

Tue 1/28

4:00 pm-5:10 pm

Nonstop1h 10m

Lambert-St Louis

Thu 1/30

8:20 pm-9:30 pm

Nonstop1h 10m

$158

Des MoinesSt. Louis

DSM - STL

DSMSTL

Des Moines

Tue 1/28

11:35 am-5:36 pm

1 stop6h 01m

Lambert-St Louis

Thu 1/30

6:30 am-10:35 am

1 stop4h 05m

$161

Des MoinesSt. Louis

DSM - STL

DSMSTL

Des Moines

Fri 1/3

5:45 am-9:36 am

1 stop3h 51m

Lambert-St Louis

Wed 1/8

5:40 am-11:35 am

1 stop5h 55m

$162

Des MoinesSt. Louis

DSM - STL

DSMSTL

Des Moines

Tue 1/28

12:10 pm-8:56 pm

2 stops8h 46m

Lambert-St Louis

Thu 1/30

6:00 am-11:30 am

1 stop5h 30m

$181

WaterlooSt. Louis

ALO - STL

ALOSTL

Waterloo

Wed 12/18

9:52 am-4:21 pm

1 stop6h 29m

Lambert-St Louis

Wed 12/25

5:45 am-9:40 am

1 stop3h 55m

$218

OmahaSt. Louis

OMA - STL

OMASTL

Omaha Eppley Airfield

Sun 1/26

6:00 am-7:25 am

Nonstop1h 25m

Lambert-St Louis

Mon 1/27

8:20 pm-9:40 pm

Nonstop1h 20m

$256

OmahaSt. Louis

OMA - STL

OMASTL

Omaha Eppley Airfield

Fri 1/24

5:30 am-11:23 am

1 stop5h 53m

Lambert-St Louis

Sun 1/26

7:00 am-1:08 pm

1 stop6h 08m

$274

OmahaSt. Louis

OMA - STL

OMASTL

Omaha Eppley Airfield

Tue 12/31

6:23 am-11:06 am

1 stop4h 43m

Lambert-St Louis

Fri 1/3

6:04 am-12:32 pm

1 stop6h 28m

$333

OmahaSt. Louis

OMA - STL

OMASTL

Omaha Eppley Airfield

Fri 3/28

8:08 am-2:33 pm

1 stop6h 25m

Lambert-St Louis

Mon 3/31

5:18 pm-9:29 pm

1 stop4h 11m

$350

La CrosseSt. Louis

LSE - STL

LSESTL

La Crosse

Thu 12/5

5:58 am-9:45 am

1 stop3h 47m

Lambert-St Louis

Mon 12/9

5:40 pm-10:04 pm

1 stop4h 24m

$500

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 24 results
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Best time to book a flight from Iowa to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Iowa with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Iowa to St. Louis

Get recent, data-driven insights about flights from Iowa to St. Louis including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Iowa to St. Louis?

Currently, September is the cheapest month in which you can book a flight from Iowa to St. Louis (average of $308). Flying from Iowa to St. Louis in March is currently the most expensive (average of $357). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IA to STL?

Find hourly flight availability from Iowa to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 20, 2024.

When flying from Iowa to St. Louis, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature totals by month.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated November 20, 2024.
To help decide which airline to fly from Iowa to St. Louis, see what other customers have to say about Southwest, Delta and Alaska Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,014 reviews

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Comfort

8.1

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Southwest
8.1
Very good
5,014 reviews
Southwest
8.1
Very good
5,014 reviews

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Comfort

8.1

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Alaska Airlines
8.0
Very good
9,461 reviews
Southwest
8.1
Very good
5,014 reviews

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Comfort

8.1

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Delta
8.0
Very good
8,756 reviews
Southwest
8.1
Very good
5,014 reviews

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Comfort

8.1

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

United Airlines
7.4
Good
9,171 reviews
Southwest
8.1
Very good
5,014 reviews

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Comfort

8.1

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
5,014 reviews

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Comfort

8.1

Food

7.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Related info for your journey

Find useful and relevant information for your journey from Iowa to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to St. Louis from Iowa?

    Lambert-St Louis (STL) is the airport you will fly into if you book a flight from Iowa to St. Louis. It is only a 12.7 mi journey from Lambert-St Louis (STL) to St. Louis’s city center.

  • How popular is this Iowa to St. Louis flight route?

    Within the past month, 4 users have taken a look at flights from Iowa to Lambert-St Louis.

  • What are the cheapest airlines to fly from Iowa to St. Louis one-way?

    $74 is the cheapest one-way deal found within the past few days, from Southwest. You may also be able to find cheap deals on Frontier and American Airlines, with prices starting from $75 and $79, respectively.

  • What are the most popular routes from Iowa to St. Louis?

    The most popular flight routes from Iowa to St. Louis are Omaha Eppley Airfield - Lambert-St Louis, Des Moines - Lambert-St Louis and La Crosse - Lambert-St Louis.

  • What are the cheapest flights from Iowa to St. Louis?

    On average you can expect to pay $327 for a flight from Iowa to St. Louis. The cheapest flight overall is $129 while the most popular route, (Omaha Eppley Airfield - Lambert-St Louis) is currently priced at $256.

  • Can I find deals for flights from Iowa to St. Louis that include hotel bookings?

    Yes. In addition to deals on Iowa to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Iowa to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Iowa to St. Louis.

  • Can I find deals for business class flights from Iowa to St. Louis?

    Yes. Cheapflights offers flight deals from Iowa to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Iowa to St. Louis?

    Currently, September is the cheapest month in which you can book a flight from Iowa to St. Louis (average of $308). Flying from Iowa to St. Louis in March is currently the most expensive (average of $357). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Iowa to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Iowa to St. Louis

Discover the top 4 airlines that operate flights from Iowa to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$155Average$346FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$168Average$320FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$210Average$371FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$217Average$365FlexibilityNo cancel feeOn-time69%
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