$136 Cheap Flights from Des Moines (DSM) to Baltimore (BWI)

View $136 flight on Tue, Jun 24, 2025Opens in a new window

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

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Find available prices by choosing your travel dates.

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

Prices were available within the past 7 days and start at $136 for one-way flights and $271 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Tue, Jun 3 - Wed, Jun 11
DSM
Des Moines
BWI
Baltimore
$271 Roundtrip, found 3 days ago
$271
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Tue, Jun 3 from Des Moines to Baltimore, returning Wed, Jun 11, priced at $271 found 3 days ago
American Airlines
Wed, Jun 4 - Tue, Jun 10
DSM
Des Moines
BWI
Baltimore
$271 Roundtrip, found 1 hour ago
$271
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Wed, Jun 4 from Des Moines to Baltimore, returning Tue, Jun 10, priced at $271 found 1 hour ago
Delta
Wed, Jun 4 - Tue, Jun 10
DSM
Des Moines
BWI
Baltimore
$271 Roundtrip, found 1 hour ago
$271
Roundtrip
found 1 hour ago
Select Delta flight, departing Wed, Jun 4 from Des Moines to Baltimore, returning Tue, Jun 10, priced at $271 found 1 hour ago
United
Tue, Jul 1 - Wed, Jul 2
DSM
Des Moines
BWI
Baltimore
$271 Roundtrip, found 1 day ago
$271
Roundtrip
found 1 day ago
Select United flight, departing Tue, Jul 1 from Des Moines to Baltimore, returning Wed, Jul 2, priced at $271 found 1 day ago
Delta
Wed, May 21 - Sat, May 24
DSM
Des Moines
BWI
Baltimore
$275 Roundtrip, found 1 day ago
$275
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, May 21 from Des Moines to Baltimore, returning Sat, May 24, priced at $275 found 1 day ago
Southwest Airlines
Tue, Jun 3 - Wed, Jun 11
DSM
Des Moines
BWI
Baltimore
$284 Roundtrip, found 3 days ago
$284
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Tue, Jun 3 from Des Moines to Baltimore, returning Wed, Jun 11, priced at $284 found 3 days ago
Delta
Sat, Jul 5 - Wed, Jul 9
DSM
Des Moines
BWI
Baltimore
$286 Roundtrip, found 7 hours ago
$286
Roundtrip
found 7 hours ago
Select Delta flight, departing Sat, Jul 5 from Des Moines to Baltimore, returning Wed, Jul 9, priced at $286 found 7 hours ago
Delta
Tue, Jun 24 - Sat, Jun 28
DSM
Des Moines
BWI
Baltimore
$288 Roundtrip, found 1 hour ago
$288
Roundtrip
found 1 hour ago
Select Delta flight, departing Tue, Jun 24 from Des Moines to Baltimore, returning Sat, Jun 28, priced at $288 found 1 hour ago
Southwest Airlines
Tue, May 27 - Wed, May 28
DSM
Des Moines
BWI
Baltimore
$289 Roundtrip, found 1 day ago
$289
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Tue, May 27 from Des Moines to Baltimore, returning Wed, May 28, priced at $289 found 1 day ago
Southwest Airlines
Tue, Jun 3 - Wed, Jun 11
DSM
Des Moines
BWI
Baltimore
$291 Roundtrip, found 3 days ago
$291
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Tue, Jun 3 from Des Moines to Baltimore, returning Wed, Jun 11, priced at $291 found 3 days ago

Frequently asked questions

How much does a flight from Des Moines Intl. Airport (DSM) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) cost?
Discover the latest flight deals from DSM to BWI 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 DSM to BWI?
The cheapest flights from DSM to BWI are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from DSM to BWI?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from DSM to BWI. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Des Moines Intl. Airport (DSM) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
You’ll need to take a flight with a layover when traveling from Des Moines Intl. Airport (DSM) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI). Direct flights don’t operate daily on this route. However, just 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 DSM to BWI?
Usually you’ll have the most choice when it comes to flights on a Friday. Tuesdays are often the quietest.* However, this can vary based on the time of year, carrier 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 Des Moines Intl. Airport (DSM) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
To avoid potential delays on the Des Moines Intl. Airport (DSM) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) route, travel before 3 PM. Departures after this hour are 22% more likely to be canceled.**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.
What airports do you fly into for Baltimore from Des Moines Intl. Airport (DSM)?
Browse your flight options from Des Moines Intl. Airport (DSM) to Ronald Reagan Washington National Airport (DCA). This is the only Baltimore airport you can jet into if you’re taking a direct flight.
Is it cheaper to buy a plane ticket from Des Moines Intl. Airport (DSM) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) last-minute?
Holding off until right before your break to book a flight from DSM to BWI often results in higher prices. While it’s possible to find some last-minute deals, they aren’t always guaranteed. Keep your travel plans flexible for a better chance of scoring a bargain.
Is it cheaper to book a DSM to BWI flight and hotel package?
You’ll generally save money by booking a DSM to BWI flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it’s simple to manage everything in one place. After selecting your preferred flights and accommodations, consider adding extras like car rentals, activities and tours.
Can I cancel or change the date of my flight from Des Moines Intl. Airport (DSM) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
If you booked your DSM to BWI flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for further details.
*Available to One Key members.