Cheap Flights from St. Louis (STL) to Des Moines (DSM)

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Des Moines International Airport (DSM)

    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save on select hotels after you book a flight*
    trophy illustration

    Find the right fit

    We search billions of combinations of flights to help you find your next adventure

Frequently asked questions

Is it cheaper to buy a plane ticket from STL to Des Moines Intl. Airport (DSM) last minute?
When it comes to booking your flights, being organized pays off. While you could find a deal on a Lambert-St. Louis Intl. Airport (STL) to Des Moines Intl. Airport (DSM) flight at the last minute, prices usually don't get cheaper as the departure date nears. Based on flight pricing and demand studies in 2022, we have found that the sweet spot to book a domestic flight is between 28 – 35 days in advance. For international trips it's between three and four months.
What airports do you fly into for Des Moines from St. Louis?
You can journey from St. Louis to Des Moines via Des Moines Intl. Airport (DSM) and Marshalltown, IA (MIW-Marshalltown Municipal). Come in to land at Des Moines Intl. Airport (DSM) and you'll be approximately 6 kilometers to the southwest of Des Moines. Leave your bags at your hotel and then experience some of this city's renowned sights, such as Iowa State Fairgrounds and Blank Park Zoo.
Can I change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Des Moines Intl. Airport?
Expedia makes it a breeze to make changes to your STL to DSM journey yourself. Access your details via the Expedia Trips portal and choose "change flight." Look for new flights and secure the one that fits your new plans. You'll see an estimate of any flight change fees. Alternatively, use our Customer Service portal to chat to our Virtual Agent and quickly get answers to all your questions.

Travel information

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Des Moines Intl.
Distance
414 km
Average flight time
1 hour 10 mins

Book with confidence

Book with confidence

Explore a world of travel with Expedia

Explore a world of travel with Expedia