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Cheap flights from Des Moines to Washington, D.C. from $129

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 8/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Des Moines to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:31 pm - 6:20 amDSM  Des Moines-IAD Washington, D.C. Dulles Intl
31h 49m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
6:13 pm - 9:02 amIAD  Washington, D.C. Dulles Intl-DSM Des Moines
15h 49m1 stop Fort Lauderdale
$254Multiple Airlines
Mon, Sep 28 - Wed, Sep 30
Multiple Airlines Logo
1:58 pm - 5:18 pmDSM  Des Moines-IAD Washington, D.C. Dulles Intl
26h 20m2 stops Philadelphia Atlanta Hartsfield-Jackson
Multiple Airlines Logo
6:13 pm - 9:02 amIAD  Washington, D.C. Dulles Intl-DSM Des Moines
15h 49m1 stop Fort Lauderdale
$276Multiple Airlines
Sun, Sep 27 - Wed, Sep 30
Multiple Airlines Logo
9:50 pm - 8:04 amDSM  Des Moines-IAD Washington, D.C. Dulles Intl
9h 14m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
12:28 pm - 7:57 pmIAD  Washington, D.C. Dulles Intl-DSM Des Moines
32h 29m2 stops Tampa Philadelphia
$303Multiple Airlines
Sun, Aug 30 - Wed, Sep 2
Multiple Airlines Logo
9:56 pm - 6:20 amDSM  Des Moines-IAD Washington, D.C. Dulles Intl
31h 24m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
6:13 pm - 9:02 amIAD  Washington, D.C. Dulles Intl-DSM Des Moines
15h 49m1 stop Fort Lauderdale
$306Multiple Airlines
Sun, Sep 27 - Wed, Sep 30
Delta Logo
5:50 pm - 11:16 pmDSM  Des Moines-IAD Washington, D.C. Dulles Intl
4h 26m1 stop Detroit Metropolitan Wayne County
Delta Logo
11:10 am - 3:16 pmIAD  Washington, D.C. Dulles Intl-DSM Des Moines
5h 06m1 stop Atlanta Hartsfield-Jackson
$367Delta
Tue, Oct 6 - Sat, Oct 10
Delta Logo
5:35 pm - 11:14 pmDSM  Des Moines-IAD Washington, D.C. Dulles Intl
4h 39m1 stop Detroit Metropolitan Wayne County
Delta Logo
6:07 pm - 10:26 pmIAD  Washington, D.C. Dulles Intl-DSM Des Moines
5h 19m1 stop Atlanta Hartsfield-Jackson
$367Delta
Tue, Sep 22 - Sat, Sep 26
Delta Logo
12:08 pm - 8:05 pmDSM  Des Moines-IAD Washington, D.C. Dulles Intl
6h 57m1 stop Atlanta Hartsfield-Jackson
Delta Logo
10:15 am - 3:15 pmIAD  Washington, D.C. Dulles Intl-DSM Des Moines
6h 00m1 stop Atlanta Hartsfield-Jackson
$377Delta
Sun, Sep 6 - Wed, Sep 9
United Airlines Logo
6:00 am - 11:52 amDSM  Des Moines-IAD Washington, D.C. Dulles Intl
4h 52m1 stop Chicago O'Hare Intl
United Airlines Logo
5:15 pm - 9:23 pmIAD  Washington, D.C. Dulles Intl-DSM Des Moines
5h 08m1 stop Chicago O'Hare Intl
$397United Airlines
Sun, Sep 6 - Sun, Sep 6
United Airlines Logo
8:00 am - 1:55 pmDSM  Des Moines-IAD Washington, D.C. Dulles Intl
4h 55m1 stop Chicago O'Hare Intl
United Airlines Logo
3:15 pm - 9:27 pmIAD  Washington, D.C. Dulles Intl-DSM Des Moines
7h 12m1 stop Chicago O'Hare Intl
$397United Airlines
Wed, Sep 16 - Wed, Sep 23
United Airlines Logo
6:00 am - 11:52 amDSM  Des Moines-IAD Washington, D.C. Dulles Intl
4h 52m1 stop Chicago O'Hare Intl
United Airlines Logo
10:41 am - 2:20 pmIAD  Washington, D.C. Dulles Intl-DSM Des Moines
4h 39m1 stop Chicago O'Hare Intl
$397United Airlines
Sat, Sep 5 - Sat, Sep 12

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American Airlines flights from Des Moines to Washington, D.C. Dulles Intl Airport

Our best American Airlines deals on Des Moines to Washington, D.C. Dulles Intl Airport flight tickets
American Airlines
Aug 21
DSM5:10 pmDes Moines
4h 45m
1 stop
IAD10:55 pmWashington, D.C. Dulles Intl
Aug 23
IAD6:25 pmWashington, D.C. Dulles Intl
6h 23m
1 stop
DSM11:48 pmDes Moines
$397
American Airlines
Sep 22
DSM7:05 amDes Moines
9h 26m
2 stops
IAD5:31 pmWashington, D.C. Dulles Intl
Sep 26
IAD7:57 amWashington, D.C. Dulles Intl
5h 07m
1 stop
DSM12:04 pmDes Moines
$402
American Airlines
Sep 22
DSM7:05 amDes Moines
9h 26m
2 stops
IAD5:31 pmWashington, D.C. Dulles Intl
Sep 26
IAD10:25 amWashington, D.C. Dulles Intl
8h 02m
2 stops
DSM5:27 pmDes Moines
$407

United Airlines flights from Des Moines to Washington, D.C. Dulles Intl Airport

Our best United Airlines deals on Des Moines to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines
Sep 12
DSM1:23 pmDes Moines
17h 12m
2 stops
IAD7:35 amWashington, D.C. Dulles Intl
Sep 13
IAD10:41 amWashington, D.C. Dulles Intl
4h 39m
1 stop
DSM2:20 pmDes Moines
$449
United Airlines
Aug 22
DSM3:20 pmDes Moines
19h 35m
2 stops
IAD11:55 amWashington, D.C. Dulles Intl
Aug 23
IAD3:40 pmWashington, D.C. Dulles Intl
6h 43m
1 stop
DSM9:23 pmDes Moines
$455
United Airlines
Sep 2
DSM6:00 amDes Moines
6h 55m
1 stop
IAD1:55 pmWashington, D.C. Dulles Intl
Sep 6
IAD10:35 amWashington, D.C. Dulles Intl
4h 41m
1 stop
DSM2:16 pmDes Moines
$470

momondo Fare Finder

 
Customize your flight search to find flights from Des Moines to Washington, D.C. Dulles Intl Airport 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 8, 2026.
Use the filters below to find and compare flights from Des Moines to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Des MoinesWashington, D.C.

DSM Des Moines - IAD Washington, D.C. Dulles Intl

DSMIAD

Des Moines

Mon 9/28

9:31 pm-6:20 am

1 stop31h 49m

Washington, D.C. Dulles Intl

Wed 9/30

6:13 pm-9:02 am

1 stop15h 49m

$254

Des MoinesWashington, D.C.

DSM Des Moines - IAD Washington, D.C. Dulles Intl

DSMIAD

Des Moines

Sun 9/27

1:58 pm-5:18 pm

2 stops26h 20m

Washington, D.C. Dulles Intl

Wed 9/30

6:13 pm-9:02 am

1 stop15h 49m

$276

Des MoinesWashington, D.C.

DSM Des Moines - IAD Washington, D.C. Dulles Intl

DSMIAD

Des Moines

Sun 8/30

9:50 pm-8:04 am

1 stop9h 14m

Washington, D.C. Dulles Intl

Wed 9/2

12:28 pm-7:57 pm

2 stops32h 29m

$303

Des MoinesWashington, D.C.

DSM Des Moines - IAD Washington, D.C. Dulles Intl

DSMIAD

Des Moines

Sun 9/27

9:56 pm-6:20 am

1 stop31h 24m

Washington, D.C. Dulles Intl

Wed 9/30

6:13 pm-9:02 am

1 stop15h 49m

$306

Des MoinesWashington, D.C.

DSM Des Moines - IAD Washington, D.C. Dulles Intl

DSMIAD

Des Moines

Tue 10/6

5:50 pm-11:16 pm

1 stop4h 26m

Washington, D.C. Dulles Intl

Sat 10/10

11:10 am-3:16 pm

1 stop5h 06m

$367

Des MoinesWashington, D.C.

DSM Des Moines - IAD Washington, D.C. Dulles Intl

DSMIAD

Des Moines

Tue 9/22

5:35 pm-11:14 pm

1 stop4h 39m

Washington, D.C. Dulles Intl

Sat 9/26

6:07 pm-10:26 pm

1 stop5h 19m

$367

Des MoinesWashington, D.C.

DSM Des Moines - IAD Washington, D.C. Dulles Intl

DSMIAD

Des Moines

Sun 9/6

12:08 pm-8:05 pm

1 stop6h 57m

Washington, D.C. Dulles Intl

Wed 9/9

10:15 am-3:15 pm

1 stop6h 00m

$377

Des MoinesWashington, D.C.

DSM Des Moines - IAD Washington, D.C. Dulles Intl

DSMIAD

Des Moines

Sun 9/6

6:00 am-11:52 am

1 stop4h 52m

Washington, D.C. Dulles Intl

Sun 9/6

5:15 pm-9:23 pm

1 stop5h 08m

$397

Des MoinesWashington, D.C.

DSM Des Moines - IAD Washington, D.C. Dulles Intl

DSMIAD

Des Moines

Wed 9/16

8:00 am-1:55 pm

1 stop4h 55m

Washington, D.C. Dulles Intl

Wed 9/23

3:15 pm-9:27 pm

1 stop7h 12m

$397
Quickest round-trip

Des MoinesWashington, D.C.

DSM Des Moines - IAD Washington, D.C. Dulles Intl

DSMIAD

Des Moines

Sat 9/5

6:00 am-11:52 am

1 stop4h 52m

Washington, D.C. Dulles Intl

Sat 9/12

10:41 am-2:20 pm

1 stop4h 39m

$397

Flights are sorted by cheapest round-trip flights first.

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

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 cheapest month to fly to Washington, D.C. Dulles Intl Airport?

In general, February is the cheapest month to fly from Des Moines to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $0.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Des Moines to Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport (DSM to IAD) flight deals and tips

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

Fastest flight time

4h 26m

Direct flights

None
The fastest flight from Des Moines to Washington, D.C. Dulles Intl Airport takes 4h 26m
There are no direct flights from Des Moines to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from Des Moines to Washington, D.C. Dulles Intl Airport.
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Frequently asked questions about flying from Des Moines to Washington, D.C. Dulles Intl Airport

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

    Des Moines and Washington, D.C. Dulles Intl are 870.2 mi apart from one another. A reasonable flight in good conditions will take 4h 26m.

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

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

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

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

    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. Dulles Intl Airport.

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

    The necessary travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

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

Compare and see reviews for airlines that fly from Des Moines to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $174Free CancellationRating
7.8
8,504 reviews
Search Delta flights
United AirlinesPriceFrom $386Free CancellationRating
7.4
10,086 reviews
Search United Airlines flights

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

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

Why use momondo?

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

It is quick and easy to find Des Moines to Washington, D.C. flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington, D.C. that suits you.

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

Yes. All flights to Washington, D.C. from Des Moines on momondo can be compared and filtered by various policies on offer, including flexible booking.

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?

If you are not ready to book a flight from Des Moines to Washington, D.C. now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington, D.C. and let you know when they change.

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