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Cheap Flights from Washington D.C. (BWI) to Des Moines (DSM)

Compare Baltimore Washington International to Des Moines flight deals

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Flight deals from Baltimore Washington International to Des Moines

Looking for a cheap last-minute deal or the best return flight from Baltimore Washington International Airport to Des Moines Airport? If you want to travel next month, return fares start from $455. Find the lowest prices on one-way and return tickets right here.
Des Moines.$455 per passenger.Departing Thu, 20 Aug, returning Mon, 24 Aug.Return flight with Delta.Outbound indirect flight with Delta, departs from Baltimore Washington International on Thu, 20 Aug, arriving in Des Moines.Inbound indirect flight with Delta, departs from Des Moines on Mon, 24 Aug, arriving in Baltimore Washington International.Price includes taxes and charges.From $455, select.
Des Moines.$455 per passenger.Departing Tue, 1 Sep, returning Thu, 3 Sep.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Baltimore Washington International on Tue, 1 Sep, arriving in Des Moines.Inbound indirect flight with Southwest Airlines, departs from Des Moines on Thu, 3 Sep, arriving in Baltimore Washington International.Price includes taxes and charges.From $455, select.
Des Moines.$456 per passenger.Departing Wed, 30 Sep, returning Thu, 1 Oct.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Baltimore Washington International on Wed, 30 Sep, arriving in Des Moines.Inbound indirect flight with Southwest Airlines, departs from Des Moines on Thu, 1 Oct, arriving in Baltimore Washington International.Price includes taxes and charges.From $456, select.
Des Moines.$468 per passenger.Departing Wed, 26 Aug, returning Tue, 1 Sep.Return flight with Delta.Outbound indirect flight with Delta, departs from Baltimore Washington International on Wed, 26 Aug, arriving in Des Moines.Inbound indirect flight with Delta, departs from Des Moines on Tue, 1 Sep, arriving in Baltimore Washington International.Price includes taxes and charges.From $468, select.
Des Moines.$529 per passenger.Departing Fri, 20 Nov, returning Mon, 23 Nov.Return flight with Delta.Outbound indirect flight with Delta, departs from Baltimore Washington International on Fri, 20 Nov, arriving in Des Moines.Inbound indirect flight with Delta, departs from Des Moines on Mon, 23 Nov, arriving in Baltimore Washington International.Price includes taxes and charges.From $529, select.
Des Moines.$601 per passenger.Departing Fri, 30 Apr, returning Mon, 3 May.Return flight with Delta.Outbound indirect flight with Delta, departs from Baltimore Washington International on Fri, 30 Apr, arriving in Des Moines.Inbound indirect flight with Delta, departs from Des Moines on Mon, 3 May, arriving in Baltimore Washington International.Price includes taxes and charges.From $601, select.
Des Moines.$983 per passenger.Departing Fri, 31 Jul, returning Fri, 31 Jul.Return flight with Delta.Outbound indirect flight with Delta, departs from Baltimore Washington International on Fri, 31 Jul, arriving in Des Moines.Inbound indirect flight with Delta, departs from Des Moines on Fri, 31 Jul, arriving in Baltimore Washington International.Price includes taxes and charges.From $983, select.
Des Moines.$1,097 per passenger.Departing Thu, 8 Oct, returning Sun, 11 Oct.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Baltimore Washington International on Thu, 8 Oct, arriving in Des Moines.Inbound indirect flight with Southwest Airlines, departs from Des Moines on Sun, 11 Oct, arriving in Baltimore Washington International.Price includes taxes and charges.From $1,097, select.
Des Moines.$1,135 per passenger.Departing Thu, 30 Jul, returning Sun, 2 Aug.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Baltimore Washington International on Thu, 30 Jul, arriving in Des Moines.Inbound indirect flight with Southwest Airlines, departs from Des Moines on Sun, 2 Aug, arriving in Baltimore Washington International.Price includes taxes and charges.From $1,135, select.
Des Moines.$1,336 per passenger.Departing Mon, 21 Dec, returning Sun, 27 Dec.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Baltimore Washington International on Mon, 21 Dec, arriving in Des Moines.Inbound indirect flight with Southwest Airlines, departs from Des Moines on Sun, 27 Dec, arriving in Baltimore Washington International.Price includes taxes and charges.From $1,336, select.

Find the cheapest month to fly from Baltimore Washington International to Des Moines

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Baltimore Washington International to Des Moines flights are currently cheapest in August.
Jul
from $983
Aug
from $455
Sep
from $455
Oct
from $1,097
Nov
from $529
Dec
from $1,336
Jan
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Feb
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Mar
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Apr
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May
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Jun
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Baltimore Washington International to Des Moines: Alternative routes

Compare routes from Baltimore Washington International to Des Moines below. You may find an airport to fly into that's cheaper, faster, or easier than Des Moines.

Des Moines

8km from central Des Moines
ClosestCheapest
from $455
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Washington D.C. to Des Moines: Flight information

The things to know before you go.
Cheapest flight found$455
Cheapest month to flySeptember

Finding cheap flights from Baltimore Washington International to Des Moines: Frequently asked questions

The best price we found for a return flight from Baltimore Washington International to Des Moines is $455. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Baltimore Washington International to Des Moines. But we found flights with one or more stops from $455.
As of July 2026, there are no flights flying from Baltimore Washington International to Des Moines.
The cheapest month to fly from Baltimore Washington International to Des Moines is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Baltimore Washington International Airport to Des Moines Airport on Tuesday, 1 September 2026.
No airlines currently offer direct flights between Baltimore Washington International Airport and Des Moines Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Des Moines but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Des Moines is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, Southwest Airlines offers the cheapest flight tickets to Des Moines.

Flying from Baltimore Washington International Airport (BWI) to Des Moines Airport (DSM): what you need to know

  • To ensure you catch your BWI to DSM flight, leave enough time for things like check-in and baggage drop. Turning up two hours before international departures and an hour before domestic flights is the standard rule.

  • Travelling during a peak month like July? Major public holidays and other popular periods can result in longer queues and delays at airport checkpoints. Play things extra safe and get there up to four hours ahead of an international flight and two hours before domestic departures.

  • We make it a cinch to book a flight with a stopover. To see your options for tickets from Baltimore Washington International Airport to Des Moines Airport, uncheck 'Direct flights only.' Then, pick a flight with a stop long enough to tour your chosen city. Top stopovers between BWI and DSM include:

    • Chicago O'Hare International Airport

    • Atlanta Hartsfield-Jackson Airport

    • Minneapolis St Paul Airport

How to find the cheapest flights from Baltimore Washington International Airport (BWI) to Des Moines Airport (DSM)

  • At the moment, $228 is the cheapest price we've found for a one-way Baltimore Washington International Airport to Des Moines Airport flight. The best price for a return ticket is $455. Bear in mind that fares may change due to demand when booking.

  • It's a good idea to book early if you're looking for cheap tickets from BWI to DSM. That's because airlines adjust prices based on demand, which tends to rise closer to the date of departure.

  • Finding cheap flights from Baltimore Washington International Airport to Des Moines Airport is easy if you can be flexible with your trip dates. Use the 'Whole month' tool to see the lowest prices across every month and snap up a great deal.

  • Snapping up cheap flights from BWI to DSM is a cinch with Price Alerts. Simply set up one of these automatic alerts and we'll let you know when a new discounted fare appears.

  • Find the ideal flight for you by using the filters. To see the 'Fastest,' 'Cheapest' or 'Best' flights from Baltimore Washington International Airport to Des Moines Airport, use the 'Sort by' function. You can also filter by airline, arrival and departure times, and journey duration.

Handy information about Baltimore Washington International Airport (BWI)

  • 77% of flights that take off from Baltimore Washington International Airport land at their destination on time.

  • Baltimore Washington International Airport is around 48 kilometres from central Washington DC. If you're driving, catching a taxi or ride-sharing from the centre, it'll take you 40 minutes or so to get there, depending on the traffic.

  • The journey on public transport takes about 50 minutes.

  • Booked an early flight from Baltimore Washington International Airport to Des Moines Airport? Avoid the stress of rushing to the airport (and catch some extra z's) by choosing one of these stays near BWI:

Arriving at Des Moines Airport (DSM)

Getting from Des Moines Airport (DSM) to central Des Moines

  • You'll find DSM at 5800 Fleur Drive, Suite 201.

  • Des Moines Airport is roughly 11 kilometres from the centre of Des Moines. Driving there takes about 15 minutes.

  • Getting there by public transport takes around 30 minutes.

When to fly to Des Moines Airport (DSM)

  • It's time to pick your trip dates for your flight from Baltimore Washington International Airport to Des Moines Airport. August is the most popular month to visit Des Moines. If you prefer a quieter vibe, go in March.

  • The warmest month in Des Moines is July, with the temperature ranging between 15ºC (59ºF) and 31ºC (88ºF). Book your flights from Baltimore Washington International Airport to Des Moines Airport in this month if this is the type of weather you enjoy.

  • January sees average temperatures of between -13ºC (9ºF) and 2ºC (36ºF). Look for cheap tickets from BWI to DSM sometime around then if you want to travel in cooler conditions.

Explore more of the United States

  • Des Moines has its own special appeal, but there are so many other parts of the United States waiting to be discovered. About 499 kilometres east of Des Moines, a visit to Chicago will fill your itinerary to the brim. Start with leading sights like Millennium Park, Art Institute of Chicago and Willis Tower.

  • If you're ready to explore another corner of the United States, consider Milwaukee, about 499 kilometres east of Des Moines. Richards Duplex Apartments by Frank Lloyd Wright, Miller Park and Milwaukee County Zoo are among the biggest draws.

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Prices shown on this page are estimated lowest prices only. Found in the last 12 days.