Cheap flights from Des Moines to St. Louis from $89
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Des Moines to St. Louis departing on 5/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Des Moines to St. Louis
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
American Airlines flights from Des Moines to St. Louis
Our best American Airlines deals on Des Moines to St. Louis flight tickets
Delta flights from Des Moines to St. Louis
Our best Delta deals on Des Moines to St. Louis flight tickets
See travel insights to St. Louis from
How to get the cheapest flight ticket from Des Moines 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 Des Moines 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 Des Moines averaging around $302.
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 $449. 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 Des Moines in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $406 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 $415 per ticket.
What is the cheapest Des Moines to Lambert-St Louis flight route?
Fly from Des Moines to Lambert-St Louis for the best Des Moines - Lambert-St Louis flight prices
What cabin class options are available on Des Moines to Lambert-St Louis flights?
There are 1 cabin classes available to choose from on Des Moines 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.
How have Des Moines to St. Louis flight prices changed over time?
As of April 2025, prices for Des Moines to St. Louis flights are approximately 21% cheaper when compared to flights at the same time last year.
How many flights depart from Des Moines to St. Louis on average per day?
As of April 2025, there are 1 flights per day flying from Des Moines to St. Louis. The most common time of day flights depart is 6:00PM, with 44% of flights taking off in the evening.
How many flights depart from Des Moines to St. Louis on average per week?
The number of flights available between Des Moines and St. Louis is 10 per week as of April 2025. The most frequent departure day is Mon, with 20% of weekly flights leaving on this day.
When to book flights from Des Moines to St. Louis
Cheap Des Moines to St. Louis (DSM to STL) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Des Moines to St. Louis
Best Price Found | $89 |
|---|---|
Fastest flight time | 1h 05m |
Direct flights | Mon, Tue, Wed, Fri, Sat and Sun |
Airports in St. Louis | 1 airport |
How far is Des Moines to Lambert-St Louis by plane?
A flight from Des Moines to Lambert-St Louis will travel around 273.0 mi. Flights usually cover this in 1h 05m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Des Moines Airport to Lambert-St Louis Airport?
Prices for flights from Des Moines Airport to Lambert-St Louis Airport refresh daily.
How many operators does momondo search for flights from Des Moines Airport to Lambert-St Louis Airport?
The number of operators available for flights from Des Moines Airport to Lambert-St Louis Airport is 2 as of April 2025.
How old do you have to be to fly from Des Moines Airport to Lambert-St Louis Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Des Moines Airport to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The required travel and health documents for your Lambert-St Louis Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lambert-St Louis Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Des Moines to St. Louis?
Based on momondo bookings for flights between Des Moines and St. Louis, the leading plane model is Airbus A320-100/200, making up 32.28% of the total bookings. Other popular models include Boeing 717-200 with 11.71%, Airbus A319 with 11.71%, and Embraer 175 with 11.08%.
What is the most popular airline from Des Moines to St. Louis?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Des Moines to St. Louis is Southwest (81% of total bookings). The next most popular airline is Delta (19%).
Best airlines flying from Des Moines to St. Louis
Compare and see reviews for airlines that fly from Des Moines to St. Louis with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $117 | Free Cancellation | Rating 8.0 4,274 reviews | |||
| PriceFrom $155 | Free Cancellation | Rating 8.0 7,897 reviews |
Southwest Flights From Des Moines to St. Louis
The lowest priced Southwest flight from Des Moines to St. Louis from the last 72 hours was $117. Generally, Southwest has 10 flights on this route every week with an average price of $310. Southwest is rated 8.0/10 by our users.
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 Des Moines to St. Louis?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Des Moines to St. Louis for you.
Can I find flights from Des Moines to St. Louis with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to St. Louis from Des Moines with this policy.
How can momondo help me find flights from Des Moines to St. Louis?
Once all potential Des Moines to St. Louis 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 Des Moines to St. Louis right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Des Moines to St. Louis flights. All you need is a valid email address and we will do the rest; it is that quick and easy.