$114 Cheap Flights from Baltimore (BWI) to Des Moines (DSM)

View $114 flight on Tue, Oct 14, 2025Opens in a new window

Popular airlines from Baltimore Washington Intl. Airport (BWI) to Des Moines International Airport (DSM)

Cheap Flights from Baltimore to Des Moines (BWI-DSM)

Prices were available within the past 7 days and start at $114 for one-way flights and $217 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Thu, Oct 9 - Thu, Oct 16
BWI
Baltimore
DSM
Des Moines
$217 Roundtrip, found 5 days ago
$217
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Thu, Oct 9 from Baltimore to Des Moines, returning Thu, Oct 16, priced at $217 found 5 days ago
American Airlines
Tue, Sep 30 - Wed, Oct 15
BWI
Baltimore
DSM
Des Moines
$217 Roundtrip, found 5 days ago
$217
Roundtrip
found 5 days ago
Select American Airlines flight, departing Tue, Sep 30 from Baltimore to Des Moines, returning Wed, Oct 15, priced at $217 found 5 days ago
Southwest Airlines
Thu, Oct 9 - Thu, Oct 16
BWI
Baltimore
DSM
Des Moines
$217 Roundtrip, found 5 days ago
$217
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Thu, Oct 9 from Baltimore to Des Moines, returning Thu, Oct 16, priced at $217 found 5 days ago
Southwest Airlines
Tue, Sep 16 - Wed, Oct 1
BWI
Baltimore
DSM
Des Moines
$222 Roundtrip, found 5 days ago
$222
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Tue, Sep 16 from Baltimore to Des Moines, returning Wed, Oct 1, priced at $222 found 5 days ago
Delta
Thu, Oct 9 - Thu, Oct 16
BWI
Baltimore
DSM
Des Moines
$228 Roundtrip, found 5 days ago
$228
Roundtrip
found 5 days ago
Select Delta flight, departing Thu, Oct 9 from Baltimore to Des Moines, returning Thu, Oct 16, priced at $228 found 5 days ago
United
Tue, Aug 12 - Wed, Aug 13
BWI
Baltimore
DSM
Des Moines
$232 Roundtrip, found 7 hours ago
$232
Roundtrip
found 7 hours ago
Select United flight, departing Tue, Aug 12 from Baltimore to Des Moines, returning Wed, Aug 13, priced at $232 found 7 hours ago
Delta
Tue, Aug 5 - Wed, Aug 6
BWI
Baltimore
DSM
Des Moines
$237 Roundtrip, found 3 hours ago
$237
Roundtrip
found 3 hours ago
Select Delta flight, departing Tue, Aug 5 from Baltimore to Des Moines, returning Wed, Aug 6, priced at $237 found 3 hours ago
Southwest Airlines
Tue, Aug 12 - Wed, Aug 13
BWI
Baltimore
DSM
Des Moines
$238 Roundtrip, found 7 hours ago
$238
Roundtrip
found 7 hours ago
Select Southwest Airlines flight, departing Tue, Aug 12 from Baltimore to Des Moines, returning Wed, Aug 13, priced at $238 found 7 hours ago
United
Tue, Sep 16 - Wed, Oct 1
BWI
Baltimore
DSM
Des Moines
$239 Roundtrip, found 5 days ago
$239
Roundtrip
found 5 days ago
Select United flight, departing Tue, Sep 16 from Baltimore to Des Moines, returning Wed, Oct 1, priced at $239 found 5 days ago
Frontier Airlines
Sun, Sep 7 - Thu, Sep 11
BWI
Baltimore
DSM
Des Moines
$272 Roundtrip, found 4 days ago
$272
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Sun, Sep 7 from Baltimore to Des Moines, returning Thu, Sep 11, priced at $272 found 4 days ago

Find the cheapest month to fly from Baltimore (BWI) to Des Moines (DSM)

January is typically the cheapest month to fly

From $148 - $646 per traveler.

Graph displaying average flight prices per month

Flights from Baltimore (BWI) to Des Moines (DSM)
Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
Des Moines Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Roundtrip price
$212
Distance
907 mi

Baltimore to Des Moines Flights

The cheapest times to fly from Baltimore to Des Moines

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Baltimore to Des Moines are during the month of October. You can find some of the cheapest flights from Baltimore to Des Moines with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Baltimore to Des Moines

Sunday is one of the best days to book for cheap flights from Baltimore to Des Moines: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Baltimore to Des Moines

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Baltimore to Des Moines in 2025. You can also book with separate airlines for your outbound and return journeys, from $114 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Baltimore to Des Moines flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Baltimore to Des Moines airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Des Moines Intl. Airport (DSM) cost?
Discover the latest flight deals from BWI to DSM by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from BWI to DSM?
The cheapest flights from BWI to DSM are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Des Moines Intl. Airport (DSM)?
While Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) doesn't have any direct flights to Des Moines Intl. Airport (DSM), other airports have nonstop routes. Departing from Ronald Reagan Washington National Airport (DCA) will get you to Des Moines without any detours.
What is the cheapest airline that flies from BWI to DSM?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from BWI to DSM. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Des Moines Intl. Airport (DSM)?
You'll need to hop on a flight with a layover if you're traveling from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Des Moines Intl. Airport (DSM). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from BWI to DSM?
Generally you'll find the most flight options available on a Friday. Tuesdays tend to be the quietest.* However, this can change based on the airline, time of year and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Des Moines Intl. Airport (DSM)?
Select a flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Des Moines Intl. Airport (DSM) that takes off before 3 PM to reduce the risk of cancellations. Departures later than this have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Des Moines Intl. Airport (DSM) last-minute?
Booking your plane ticket from BWI to DSM shortly before your journey is generally more expensive. However, if you're flexible with your schedule, you could grab a cheap last-minute fare.
Is it cheaper to book a BWI to DSM flight and hotel package?
You'll typically save money by securing a BWI to DSM flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. After selecting your ideal flights and accommodations, you can add extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Des Moines Intl. Airport (DSM)?
If you reserved your BWI to DSM flight within the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of fare you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you'd like more information.

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*Available to One Key members.