$126 Cheap Flights from Baltimore (BWI) to Des Moines (DSM)

View $126 flight on Fri, Oct 31, 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 $126 for one-way flights and $251 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, Dec 25 - Sat, Jan 17
BWI
Baltimore
DSM
Des Moines
$251 Roundtrip, found 15 hours ago
$251
Roundtrip
found 15 hours ago
Select Delta flight, departing Thu, Dec 25 from Baltimore to Des Moines, returning Sat, Jan 17, priced at $251 found 15 hours ago
United
Sun, Jan 18 - Tue, Jan 20
BWI
Baltimore
DSM
Des Moines
$253 Roundtrip, found 2 days ago
$253
Roundtrip
found 2 days ago
Select United flight, departing Sun, Jan 18 from Baltimore to Des Moines, returning Tue, Jan 20, priced at $253 found 2 days ago
American Airlines
Sat, Feb 21 - Mon, Feb 23
BWI
Baltimore
DSM
Des Moines
$282 Roundtrip, found 16 hours ago
$282
Roundtrip
found 16 hours ago
Select American Airlines flight, departing Sat, Feb 21 from Baltimore to Des Moines, returning Mon, Feb 23, priced at $282 found 16 hours ago
Southwest Airlines
Wed, Dec 10 - Thu, Dec 25
BWI
Baltimore
DSM
Des Moines
$282 Roundtrip, found 6 hours ago
$282
Roundtrip
found 6 hours ago
Select Southwest Airlines flight, departing Wed, Dec 10 from Baltimore to Des Moines, returning Thu, Dec 25, priced at $282 found 6 hours ago
United
Thu, Feb 5 - Wed, Feb 18
BWI
Baltimore
DSM
Des Moines
$282 Roundtrip, found 11 hours ago
$282
Roundtrip
found 11 hours ago
Select United flight, departing Thu, Feb 5 from Baltimore to Des Moines, returning Wed, Feb 18, priced at $282 found 11 hours ago
Delta
Sat, Feb 7 - Fri, Feb 20
BWI
Baltimore
DSM
Des Moines
$284 Roundtrip, found 7 hours ago
$284
Roundtrip
found 7 hours ago
Select Delta flight, departing Sat, Feb 7 from Baltimore to Des Moines, returning Fri, Feb 20, priced at $284 found 7 hours ago
Southwest Airlines
Thu, Feb 5 - Wed, Feb 18
BWI
Baltimore
DSM
Des Moines
$287 Roundtrip, found 11 hours ago
$287
Roundtrip
found 11 hours ago
Select Southwest Airlines flight, departing Thu, Feb 5 from Baltimore to Des Moines, returning Wed, Feb 18, priced at $287 found 11 hours ago
United
Sun, Jan 18 - Tue, Jan 20
BWI
Baltimore
DSM
Des Moines
$288 Roundtrip, found 2 days ago
$288
Roundtrip
found 2 days ago
Select United flight, departing Sun, Jan 18 from Baltimore to Des Moines, returning Tue, Jan 20, priced at $288 found 2 days ago
United
Tue, Jan 20 - Thu, Jan 22
BWI
Baltimore
DSM
Des Moines
$289 Roundtrip, found 2 days ago
$289
Roundtrip
found 2 days ago
Select United flight, departing Tue, Jan 20 from Baltimore to Des Moines, returning Thu, Jan 22, priced at $289 found 2 days ago
Frontier Airlines
Mon, Mar 9 - Tue, Mar 24
BWI
Baltimore
DSM
Des Moines
$366 Roundtrip, found 2 days ago
$366
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Mon, Mar 9 from Baltimore to Des Moines, returning Tue, Mar 24, priced at $366 found 2 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.

Alternative airports near Des Moines

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Des Moines Intl. DSM. Cheapest and Closest option available. Average driving time to city center is 10 minutes. Flights from $447
DSM
Des Moines Intl.
CheapestClosest
Average driving time to city center10 min
Flights from $447

Frequently asked questions

How much does a flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Des Moines Intl. Airport (DSM) cost?
Secure a cheap one-way flight from $126 or cheap return flight from $251 from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Des Moines Intl. Airport (DSM) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Des Moines Intl. Airport (DSM)?
December is the least expensive month to fly from BWI to DSM. Avoiding peak travel times is often the key to finding a great deal.
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 Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Des Moines Intl. Airport (DSM)?
To find the cheapest airline that'll fly you from BWI to DSM, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
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.

Travel information

Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
Des Moines Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Roundtrip price
$250
Distance
907 mi

Book with confidence

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 December. 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 $126 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.

 

Baltimore to Des Moines Flights

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*Available to One Key members.