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Cheap flights from Des Moines to Washington, D.C. from $91

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Des Moines to Washington, D.C. departing on 9/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Des Moines to Washington, D.C. (DSM-WAS)

Cheap round-trip flights

Frontier Logo
2:25 pm - 9:59 pmDSM-DCA
6h 34m1 stop
Frontier Logo
7:00 am - 1:40 pmDCA-DSM
7h 40m1 stop
$167Frontier
Find Deal
Fri, Sep 5 - Mon, Sep 8
Frontier Logo
2:32 pm - 9:59 pmDSM-DCA
6h 27m1 stop
Frontier Logo
7:00 am - 1:47 pmDCA-DSM
7h 47m1 stop
$168Frontier
Find Deal
Thu, Nov 13 - Sun, Nov 16
American Airlines Logo
5:38 pm - 11:03 pmDSM-BWI
4h 25m1 stop
American Airlines Logo
6:50 pm - 11:08 pmBWI-DSM
5h 18m1 stop
$277American Airlines
Find Deal
Wed, Oct 1 - Tue, Oct 7
Southwest Logo
8:20 am - 5:00 pmDSM-BWI
7h 40m2 stops
Southwest Logo
7:10 am - 11:25 amBWI-DSM
5h 15m1 stop
$282Southwest
Find Deal
Tue, Nov 18 - Wed, Nov 19
American Airlines Logo
5:42 pm - 11:34 pmDSM-BWI
4h 52m1 stop
American Airlines Logo
6:13 pm - 11:23 pmBWI-DSM
6h 10m1 stop
$284American Airlines
Find Deal
Wed, Oct 15 - Mon, Oct 20
Southwest Logo
1:55 pm - 11:10 pmDSM-BWI
8h 15m1 stop
Southwest Logo
3:20 pm - 10:20 pmBWI-DSM
8h 00m2 stops
$289Southwest
Find Deal
Thu, Sep 25 - Tue, Sep 30
Delta Logo
6:30 pm - 12:28 amDSM-BWI
4h 58m1 stop
Delta Logo
6:00 am - 9:40 amBWI-DSM
4h 40m1 stop
$291Delta
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Thu, Sep 25 - Mon, Sep 29
Delta Logo
5:44 am - 12:30 pmDSM-BWI
5h 46m1 stop
Delta Logo
12:23 pm - 4:45 pmBWI-DSM
5h 22m1 stop
$297Delta
Find Deal
Sun, Aug 31 - Wed, Sep 3
United Airlines Logo
11:26 am - 7:26 amDSM-IAD
19h 00m2 stops
United Airlines Logo
9:57 am - 4:12 pmIAD-DSM
7h 15m1 stop
$332United Airlines
Find Deal
Tue, Nov 18 - Wed, Nov 19
United Airlines Logo
3:25 pm - 8:55 pmDSM-IAD
4h 30m1 stop
United Airlines Logo
1:20 pm - 5:24 pmIAD-DSM
5h 04m1 stop
$443United Airlines
Find Deal
Wed, Oct 1 - Tue, Oct 7

Delta flights from Des Moines to Washington, D.C.

Our best Delta deals on Des Moines to Washington, D.C. flight tickets
Delta
Sep 25
DSM6:30 pmDes Moines
4h 58m
1 stop
BWI12:28 amBaltimore/Washington
Sep 29
BWI6:00 amBaltimore/Washington
4h 40m
1 stop
DSM9:40 amDes Moines
$291
Find similar
Delta
Aug 31
DSM5:44 amDes Moines
5h 46m
1 stop
BWI12:30 pmBaltimore/Washington
Sep 3
BWI12:23 pmBaltimore/Washington
5h 22m
1 stop
DSM4:45 pmDes Moines
$297
Find similar
Delta
Sep 12
DSM5:54 pmDes Moines
4h 43m
1 stop
BWI11:37 pmBaltimore/Washington
Sep 13
BWI6:00 amBaltimore/Washington
4h 40m
1 stop
DSM9:40 amDes Moines
$308
Find similar

Allegiant Air flights from Des Moines to Washington, D.C.

Our best Allegiant Air deals on Des Moines to Washington, D.C. flight tickets
Allegiant Air
Oct 5
DSM8:52 amDes Moines
23h 27m
1 stop
IAD9:19 amWashington, D.C. Dulles Intl
Oct 12
IAD10:08 amWashington, D.C. Dulles Intl
11h 16m
1 stop
DSM8:24 pmDes Moines
$324
Find similar
Allegiant Air
Nov 13
DSM2:51 pmDes Moines
28h 35m
2 stops
IAD8:26 pmWashington, D.C. Dulles Intl
Nov 16
IAD11:10 amWashington, D.C. Dulles Intl
11h 23m
1 stop
DSM9:33 pmDes Moines
$329
Find similar
Allegiant Air
Oct 5
DSM8:52 amDes Moines
23h 27m
1 stop
IAD9:19 amWashington, D.C. Dulles Intl
Oct 12
IAD10:08 amWashington, D.C. Dulles Intl
11h 16m
1 stop
DSM8:24 pmDes Moines
$360
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Des Moines to Washington, D.C. that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 21, 2025.
Use the filters below to find and compare flights from Des Moines to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Des MoinesWashington, D.C.

DSM - DCA

DSMDCA

Des Moines

Fri 9/5

2:25 pm-9:59 pm

1 stop6h 34m

Washington, D.C. Reagan-National

Mon 9/8

7:00 am-1:40 pm

1 stop7h 40m

$167

Des MoinesWashington, D.C.

DSM - DCA

DSMDCA

Des Moines

Thu 11/13

2:32 pm-9:59 pm

1 stop6h 27m

Washington, D.C. Reagan-National

Sun 11/16

7:00 am-1:47 pm

1 stop7h 47m

$168

Des MoinesBaltimore

DSM - BWI

DSMBWI

Des Moines

Wed 10/1

5:38 pm-11:03 pm

1 stop4h 25m

Baltimore/Washington

Tue 10/7

6:50 pm-11:08 pm

1 stop5h 18m

$277

Des MoinesBaltimore

DSM - BWI

DSMBWI

Des Moines

Tue 11/18

8:20 am-5:00 pm

2 stops7h 40m

Baltimore/Washington

Wed 11/19

7:10 am-11:25 am

1 stop5h 15m

$282

Des MoinesBaltimore

DSM - BWI

DSMBWI

Des Moines

Wed 10/15

5:42 pm-11:34 pm

1 stop4h 52m

Baltimore/Washington

Mon 10/20

6:13 pm-11:23 pm

1 stop6h 10m

$284

Des MoinesBaltimore

DSM - BWI

DSMBWI

Des Moines

Thu 9/25

1:55 pm-11:10 pm

1 stop8h 15m

Baltimore/Washington

Tue 9/30

3:20 pm-10:20 pm

2 stops8h 00m

$289

Des MoinesBaltimore

DSM - BWI

DSMBWI

Des Moines

Thu 9/25

6:30 pm-12:28 am

1 stop4h 58m

Baltimore/Washington

Mon 9/29

6:00 am-9:40 am

1 stop4h 40m

$291

Des MoinesBaltimore

DSM - BWI

DSMBWI

Des Moines

Sun 8/31

5:44 am-12:30 pm

1 stop5h 46m

Baltimore/Washington

Wed 9/3

12:23 pm-4:45 pm

1 stop5h 22m

$297

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Tue 11/18

11:26 am-7:26 am

2 stops19h 00m

Washington, D.C. Dulles Intl

Wed 11/19

9:57 am-4:12 pm

1 stop7h 15m

$332

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Wed 10/1

3:25 pm-8:55 pm

1 stop4h 30m

Washington, D.C. Dulles Intl

Tue 10/7

1:20 pm-5:24 pm

1 stop5h 04m

$443

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Des Moines to Washington, D.C.

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Des Moines and Washington, D.C.?

What is the cheapest month to fly to Washington, D.C.?

The month of September is, on average, the cheapest month to fly to Washington, D.C. from Des Moines, with most prices found around $332. If you’re not able to fly to Washington, D.C. in September, then May is your next best option. Flight prices from Des Moines to Washington, D.C. during May average around $335.

What is the cheapest day to depart on your flight to Washington, D.C.?

On average, the least expensive day to fly to Washington, D.C. from Des Moines is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $367. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Des Moines to Washington, D.C. for around $491.

What is the cheapest time of day to depart on your flight to Washington, D.C.?

In the evening is the cheapest time of day to fly from Des Moines to Washington, D.C. when you can find flight prices for as low as $156. Flying to Washington, D.C. in the evening is an ideal time because this is during off-peak travel hours. Try not to purchase tickets at noon because they tend to be around $435. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Des Moines to Washington, D.C. flight route?

Fly from Des Moines to Washington, D.C. Reagan-National for the best Des Moines - Washington, D.C. flight prices

What cabin class options are available on Des Moines to Washington, D.C. flights?

There are 2 cabin classes available to choose from on Des Moines to Washington, D.C. flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Des Moines to Washington, D.C. flights?

You could potentially save up to 8% on your flight if you consider stops on a Des Moines to Washington, D.C. flight.

How have Des Moines to Washington, D.C. flight prices changed over time?

As of August 2025, prices for Des Moines to Washington, D.C. flights are approximately 6% cheaper when compared to flights at the same time last year.

When to book flights from Des Moines to Washington, D.C.

Are you open to changing your travel dates? Check out the ideal times to fly from Des Moines to Washington, D.C. according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Des Moines to Washington, D.C. (DSM to WAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Des Moines to Washington, D.C.

Best Price Found

$195

Fastest flight time

2h 22m

Direct flights

Mon, Tue, Wed, Fri, Sat and Sun

Airports in Washington, D.C.

1 airport
The best one-way flight to Washington, D.C. from Des Moines in the past 72 hours is $195. The best round-trip flight deal from Des Moines to Washington, D.C. found on momondo in the last 72 hours is $296.
The fastest flight from Des Moines to Washington, D.C. takes 2h 22m
Direct flights go from Des Moines to Washington, D.C. on Monday, Tuesday, Wednesday, Friday, Saturday and Sunday. There are no airlines offering direct flights.
There is 1 airport near Washington, D.C.: Washington, D.C. Reagan-National (DCA)
Search flight deals

  • How far is Des Moines to Washington, D.C. by plane?

    Washington, D.C. is 892.3 mi away from Des Moines. 2h 25m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Des Moines Airport to Washington, D.C.?

    Prices for flights from Des Moines Airport to Washington, D.C. were last updated today.

  • How many operators does momondo search for flights from Des Moines Airport to Washington, D.C.?

  • How old do you have to be to fly from Des Moines Airport to Washington, D.C.?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Des Moines Airport to Washington, D.C..

  • What documentation or ID do you need to fly to Washington, D.C.?

    The required travel and health documents for your Washington, D.C. trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C.. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Des Moines to Washington, D.C.?

  • What is the most popular airline from Des Moines to Washington, D.C.?

Best airlines flying from Des Moines to Washington, D.C.

Compare and see reviews for airlines that fly from Des Moines to Washington, D.C. with momondo
Airline
Rating
Free Cancellation
Price
SouthwestPriceFrom $180Free CancellationRating
8.0
4,245 reviews
Search Southwest flights
DeltaPriceFrom $198Free CancellationRating
7.9
7,981 reviews
Search Delta flights
United AirlinesPriceFrom $259Free CancellationRating
7.4
8,930 reviews
Search United Airlines flights
American AirlinesPriceFrom $262Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

  • United Airlines Flights From Des Moines to Washington, D.C.

    United Airlines flight deals from Des Moines to Washington, D.C. start from $259 round-trip. Over the 6 United Airlines flights for this route in a normal week, average airfare is usually $460 round-trip - but some users have found much cheaper deals with momondo.

  • American Airlines Flights From Des Moines to Washington, D.C.

    American Airlines is also a popular choice for this route. American Airlines flight deals for Des Moines to Washington, D.C. start from as low as $262 round-trip, depending on your selected dates, with average American Airlines deals seen on momondo around $412. American Airlines operates 13 flights to Washington, D.C. from Des Moines in an average week. Users have rated it 7.2/10 across 10,000 reviews.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Gettysburg
Arlington
National Harbor
Woodbridge
Waldorf
Tysons
Silver Spring
Laurel
Colonial Beach
Fredericksburg
Manassas
Towson
Rockville
Gaithersburg
Reston
Fairfax
Glen Burnie
Springfield
Linthicum Heights

Why use momondo?

Why should I use momondo to find a flight deal from Des Moines to Washington, D.C.?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Washington, D.C. from Des Moines.

Can I find flights from Des Moines to Washington, D.C. with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Washington, D.C. from Des Moines with this policy.

How can momondo help me find flights from Des Moines to Washington, D.C.?

Once you have performed a search for Des Moines to Washington, D.C. flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Des Moines to Washington, D.C. right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Des Moines to Washington, D.C. flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Washington, D.C. trip

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Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.
Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport