Cheap flights from Iowa to St. Louis from $39
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Iowa to St. Louis departing on 8/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Iowa to St. Louis
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
What is the cheapest month to fly to St. Louis?
In general, August is the cheapest month to fly from Iowa to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $258. The month of April is another great option to travel to St. Louis, with average flight prices from Iowa averaging around $309.
What is the cheapest day to depart on your flight to St. Louis?
The cheapest day to depart on your flight to St. Louis is on a Tuesday when prices can be found for as low as $382. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $436. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.
What is the cheapest time of day to depart on your flight to St. Louis?
Flying to St. Louis from Iowa in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $401 when looking at flights departing in the afternoon. In the morning is when there is more demand to fly to St. Louis, so prices are often more expensive at around $416 per ticket.
What is the cheapest Iowa to Lambert-St Louis flight route?
Fly from Burlington to Lambert-St Louis for the best Iowa - Lambert-St Louis flight prices
What cabin class options are available on Iowa to Lambert-St Louis flights?
There are 1 cabin classes available to choose from on Iowa to Lambert-St Louis 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 Iowa to St. Louis flights?
You could potentially save up to 34% on your flight if you consider stops on a Iowa to St. Louis flight.
What is the cheapest airline that flies from Iowa to Lambert-St Louis?
Southwest, American Airlines, and United Airlines are the most popular carriers operating from Iowa to Lambert-St Louis
What airlines fly to St. Louis?
Southwest, United Airlines and Southern / Mokulele are the top three most popular airlines that fly to St. Louis from Iowa according to our data. Southwest is the first choice among our users, with 64% of people opting to fly with this airline when traveling to St. Louis. Keep in mind that there are 3 different airlines that fly to St. Louis on a routine basis, so you have a few additional options to choose from.
How many flights depart from Iowa to St. Louis on average per day?
As of June 2025, 2 flights take off from Iowa and land in St. Louis each day. The most common flight departure time for this route is 10:00AM, with 40% of daily flights taking off at noon.
How many flights depart from Iowa to St. Louis on average per week?
As of June 2025, 20 flights take off from Iowa and land in St. Louis each week. The most common flight departure day for this route is Mon, with 20% of weekly flights taking off on this day.
Cheap Iowa to St. Louis flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Iowa to St. Louis
When did momondo last update prices for flights from Iowa to Lambert-St Louis Airport?
Prices for flights from Iowa to Lambert-St Louis Airport were last updated today.
How many operators does momondo search for flights from Iowa to Lambert-St Louis Airport?
The number of operators available for flights from Iowa to Lambert-St Louis Airport is 3 as of June 2025.
How old do you have to be to fly from Iowa to Lambert-St Louis Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Iowa to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The travel and health documents you'll need for your trip to Lambert-St Louis Airport 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 Lambert-St Louis Airport. 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 Iowa to St. Louis?
Based on momondo bookings for flights between Iowa and St. Louis, the leading plane model is Airbus A320-100/200, making up 21.28% of the total bookings. Other popular models include Airbus A319 with 12.34%, Embraer 175 with 10.21%, and Boeing 717-200 with 9.36%.
Best airlines flying from Iowa to St. Louis
Compare and see reviews for airlines that fly from Iowa to St. Louis with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $61 | Free Cancellation | Rating 6.5 27 reviews | |||
| PriceFrom $117 | Free Cancellation | Rating 8.0 4,280 reviews | |||
| PriceFrom $218 | Free Cancellation | Rating 7.4 8,810 reviews |
Traveling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Iowa to St. Louis?
Finding the right flight to St. Louis from Iowa is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to St. Louis quick and easy, saving you time and money.
Can I find flights from Iowa to St. Louis with flexible booking policies on momondo?
Yes. All flights to St. Louis from Iowa on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Iowa to St. Louis?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to St. Louis from Iowa.
I’m not ready to book a flight from Iowa to St. Louis right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to St. Louis from Iowa. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.