$110 Cheap Flights from Baltimore (BWI) to Des Moines (DSM)

View $110 flight on Tue, Jan 13, 2026Opens 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 $110 for one-way flights and $222 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, Sep 4 - Tue, Sep 9
BWI
Baltimore
DSM
Des Moines
$222 Roundtrip, found 6 days ago
$222
Roundtrip
found 6 days ago
Select United flight, departing Thu, Sep 4 from Baltimore to Des Moines, returning Tue, Sep 9, priced at $222 found 6 days ago
United
Wed, Nov 5 - Mon, Nov 10
BWI
Baltimore
DSM
Des Moines
$223 Roundtrip, found 4 days ago
$223
Roundtrip
found 4 days ago
Select United flight, departing Wed, Nov 5 from Baltimore to Des Moines, returning Mon, Nov 10, priced at $223 found 4 days ago
United
Wed, Oct 8 - Wed, Oct 15
BWI
Baltimore
DSM
Des Moines
$227 Roundtrip, found 4 days ago
$227
Roundtrip
found 4 days ago
Select United flight, departing Wed, Oct 8 from Baltimore to Des Moines, returning Wed, Oct 15, priced at $227 found 4 days ago
United
Mon, Sep 15 - Mon, Sep 22
BWI
Baltimore
DSM
Des Moines
$234 Roundtrip, found 5 days ago
$234
Roundtrip
found 5 days ago
Select United flight, departing Mon, Sep 15 from Baltimore to Des Moines, returning Mon, Sep 22, priced at $234 found 5 days ago
United
Thu, Sep 11 - Thu, Sep 18
BWI
Baltimore
DSM
Des Moines
$236 Roundtrip, found 5 days ago
$236
Roundtrip
found 5 days ago
Select United flight, departing Thu, Sep 11 from Baltimore to Des Moines, returning Thu, Sep 18, priced at $236 found 5 days ago
Southwest Airlines
Tue, Jan 13 - Fri, Jan 16
BWI
Baltimore
DSM
Des Moines
$238 Roundtrip, found 2 days ago
$238
Roundtrip
found 2 days ago
Select Southwest Airlines flight, departing Tue, Jan 13 from Baltimore to Des Moines, returning Fri, Jan 16, priced at $238 found 2 days ago
United
Tue, Jan 13 - Fri, Jan 16
BWI
Baltimore
DSM
Des Moines
$243 Roundtrip, found 2 days ago
$243
Roundtrip
found 2 days ago
Select United flight, departing Tue, Jan 13 from Baltimore to Des Moines, returning Fri, Jan 16, priced at $243 found 2 days ago
American Airlines
Wed, Oct 8 - Wed, Oct 15
BWI
Baltimore
DSM
Des Moines
$257 Roundtrip, found 4 days ago
$257
Roundtrip
found 4 days ago
Select American Airlines flight, departing Wed, Oct 8 from Baltimore to Des Moines, returning Wed, Oct 15, priced at $257 found 4 days ago
Delta
Tue, Sep 9 - Wed, Sep 10
BWI
Baltimore
DSM
Des Moines
$277 Roundtrip, just found
$277
Roundtrip
just found
Select Delta flight, departing Tue, Sep 9 from Baltimore to Des Moines, returning Wed, Sep 10, priced at $277 just found
Frontier Airlines
Sun, Oct 5 - Fri, Oct 10
BWI
Baltimore
DSM
Des Moines
$314 Roundtrip, found 3 days ago
$314
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Sun, Oct 5 from Baltimore to Des Moines, returning Fri, Oct 10, priced at $314 found 3 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

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 $342
DSM
Des Moines Intl.
CheapestClosest
Average driving time to city center10 min
Flights from $342
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, Southwest Airlines, United
Roundtrip price
$221
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 September. 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 $110 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?
Secure a cheap one-way flight from $110 or cheap return flight from $222 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)?
September 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.

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*Available to One Key members.