$141 Cheap Flights from Des Moines (DSM) to Baltimore (BWI)

View $141 flight on Tue, Dec 30, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at $141 for one-way flights and $283 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, Feb 20 - Sat, Feb 21
DSM
Des Moines
BWI
Baltimore
$283 Roundtrip, found 4 days ago
$283
Roundtrip
found 4 days ago
Select Delta flight, departing Fri, Feb 20 from Des Moines to Baltimore, returning Sat, Feb 21, priced at $283 found 4 days ago
Frontier Airlines
Tue, Dec 23 - Wed, Dec 31
DSM
Des Moines
BWI
Baltimore
$297 Roundtrip, found 5 hours ago
$297
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Tue, Dec 23 from Des Moines to Baltimore, returning Wed, Dec 31, priced at $297 found 5 hours ago
Delta
Mon, Nov 24 - Tue, Dec 2
DSM
Des Moines
BWI
Baltimore
$299 Roundtrip, found 4 days ago
$299
Roundtrip
found 4 days ago
Select Delta flight, departing Mon, Nov 24 from Des Moines to Baltimore, returning Tue, Dec 2, priced at $299 found 4 days ago
Frontier Airlines
Tue, Dec 23 - Tue, Dec 30
DSM
Des Moines
BWI
Baltimore
$299 Roundtrip, found 20 hours ago
$299
Roundtrip
found 20 hours ago
Select Frontier Airlines flight, departing Tue, Dec 23 from Des Moines to Baltimore, returning Tue, Dec 30, priced at $299 found 20 hours ago
United
Fri, Feb 20 - Sat, Feb 21
DSM
Des Moines
BWI
Baltimore
$306 Roundtrip, found 4 days ago
$306
Roundtrip
found 4 days ago
Select United flight, departing Fri, Feb 20 from Des Moines to Baltimore, returning Sat, Feb 21, priced at $306 found 4 days ago
United
Thu, Feb 19 - Fri, Feb 20
DSM
Des Moines
BWI
Baltimore
$311 Roundtrip, found 4 days ago
$311
Roundtrip
found 4 days ago
Select United flight, departing Thu, Feb 19 from Des Moines to Baltimore, returning Fri, Feb 20, priced at $311 found 4 days ago
Delta
Thu, Feb 19 - Fri, Feb 20
DSM
Des Moines
BWI
Baltimore
$311 Roundtrip, found 4 days ago
$311
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, Feb 19 from Des Moines to Baltimore, returning Fri, Feb 20, priced at $311 found 4 days ago
American Airlines
Mon, Nov 24 - Thu, Nov 27
DSM
Des Moines
BWI
Baltimore
$313 Roundtrip, found 8 hours ago
$313
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Mon, Nov 24 from Des Moines to Baltimore, returning Thu, Nov 27, priced at $313 found 8 hours ago
United
Thu, Feb 19 - Fri, Feb 20
DSM
Des Moines
BWI
Baltimore
$313 Roundtrip, found 4 days ago
$313
Roundtrip
found 4 days ago
Select United flight, departing Thu, Feb 19 from Des Moines to Baltimore, returning Fri, Feb 20, priced at $313 found 4 days ago
Southwest Airlines
Wed, Dec 31 - Tue, Jan 6
DSM
Des Moines
BWI
Baltimore
$315 Roundtrip, found 1 day ago
$315
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Wed, Dec 31 from Des Moines to Baltimore, returning Tue, Jan 6, priced at $315 found 1 day ago

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

February is typically the cheapest month to fly

From $148 - $646 per traveler.

Alternative airports near Baltimore

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

Select flight to Ronald Reagan Washington National DCA. Average driving time to city center is 57 minutes. Flights from $408
DCA
Ronald Reagan Washington National
Average driving time to city center57 min
Flights from $408

Frequently asked questions

How much does a flight from Des Moines Intl. Airport (DSM) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) cost?
Get a cheap one-way flight from $141 or cheap return flight from $283 from Des Moines Intl. Airport (DSM) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Des Moines Intl. Airport (DSM) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
Planning your trip for February is a great way to save, as it's the cheapest month for flights between DSM and BWI. You'll usually find the lowest fares during off-peak months.
What is the cheapest airline that flies from Des Moines Intl. Airport (DSM) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
Use the filters on Expedia to compare airlines and find the most affordable carrier that'll take you from DSM to BWI. Then, sort your results by "Price (lowest to highest)" to score a good 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.

Travel information

Origin airport
Des Moines Intl.
Destination airport
Baltimore Washington Intl. Thurgood Marshall
Airlines serving
American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Roundtrip price
$283
Distance
907 mi

Book with confidence

Des Moines to Baltimore Flights

The cheapest times to fly from Des Moines to Baltimore

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 Des Moines to Baltimore are during the month of February. You can find some of the cheapest flights from Des Moines to Baltimore with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Des Moines to Baltimore: 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 Des Moines to Baltimore

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 Des Moines to Baltimore in 2025. You can also book with separate airlines for your outbound and return journeys, from $141 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 Des Moines to Baltimore 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 Des Moines to Baltimore 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.

 

Des Moines to Baltimore Flights

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*Available to One Key members.