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Cheap flights from Des Moines to Washington, D.C. from $118

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 9/23. 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.

Cheap round-trip flights

Southwest Logo
6:30 am - 4:15 pmDSM-IAD
8h 45m1 stop
Southwest Logo
7:00 am - 12:25 pmIAD-DSM
6h 25m1 stop
$236Southwest
Find Deal
Tue, Sep 9 - Sat, Sep 13
Southwest Logo
6:30 am - 1:40 pmDSM-IAD
6h 10m1 stop
Southwest Logo
5:45 am - 2:40 pmIAD-DSM
9h 55m1 stop
$242Southwest
Find Deal
Tue, Sep 23 - Wed, Oct 1
Logo
8:35 am - 9:09 pmDSM-IAD
11h 34m3 stops
Logo
11:04 am - 11:27 pmIAD-DSM
13h 23m1 stop
$352
Find Deal
Fri, Aug 15 - Sun, Aug 17
Logo
8:30 am - 11:20 amDSM-IAD
25h 50m3 stops
Logo
7:10 pm - 8:41 pmIAD-DSM
26h 31m2 stops
$354
Find Deal
Sun, Aug 17 - Thu, Aug 21
American Airlines Logo
8:00 am - 1:49 pmDSM-IAD
4h 49m1 stop
American Airlines Logo
7:17 pm - 11:06 pmIAD-DSM
4h 49m1 stop
$371American Airlines
Find Deal
Sat, Sep 13 - Sat, Sep 20
American Airlines Logo
8:00 am - 1:49 pmDSM-IAD
4h 49m1 stop
American Airlines Logo
7:17 pm - 11:06 pmIAD-DSM
4h 49m1 stop
$372American Airlines
Find Deal
Sat, Sep 13 - Sat, Sep 20
United Airlines Logo
8:00 am - 1:51 pmDSM-IAD
4h 51m1 stop
United Airlines Logo
1:20 pm - 5:24 pmIAD-DSM
5h 04m1 stop
$373United Airlines
Find Deal
Sat, Oct 4 - Tue, Oct 7
Delta Logo
2:05 pm - 9:39 pmDSM-IAD
6h 34m1 stop
Delta Logo
12:06 pm - 5:16 pmIAD-DSM
6h 10m1 stop
$397Delta
Find Deal
Fri, Oct 3 - Tue, Oct 7
Delta Logo
5:25 pm - 11:38 pmDSM-IAD
5h 13m1 stop
Delta Logo
6:00 am - 10:40 amIAD-DSM
5h 40m1 stop
$421Delta
Find Deal
Fri, Sep 12 - Mon, Sep 15
United Airlines Logo
6:36 pm - 12:21 amDSM-IAD
4h 45m1 stop
United Airlines Logo
6:30 am - 10:32 amIAD-DSM
5h 02m1 stop
$443United Airlines
Find Deal
Wed, Oct 1 - Tue, Oct 7

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
Sep 13
DSM8:00 amDes Moines
4h 49m
1 stop
IAD1:49 pmWashington, D.C. Dulles Intl
Sep 20
IAD7:17 pmWashington, D.C. Dulles Intl
4h 49m
1 stop
DSM11:06 pmDes Moines
$371
Find similar
American Airlines
Sep 13
DSM8:00 amDes Moines
4h 49m
1 stop
IAD1:49 pmWashington, D.C. Dulles Intl
Sep 20
IAD7:17 pmWashington, D.C. Dulles Intl
4h 49m
1 stop
DSM11:06 pmDes Moines
$372
Find similar
American Airlines
Sep 14
DSM6:30 amDes Moines
5h 53m
1 stop
IAD1:23 pmWashington, D.C. Dulles Intl
Sep 21
IAD8:12 pmWashington, D.C. Dulles Intl
5h 03m
1 stop
DSM12:15 amDes Moines
$419
Find similar

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
Oct 4
DSM8:00 amDes Moines
4h 51m
1 stop
IAD1:51 pmWashington, D.C. Dulles Intl
Oct 7
IAD1:20 pmWashington, D.C. Dulles Intl
5h 04m
1 stop
DSM5:24 pmDes Moines
$373
Find similar
United Airlines
Oct 1
DSM6:36 pmDes Moines
4h 45m
1 stop
IAD12:21 amWashington, D.C. Dulles Intl
Oct 7
IAD6:30 amWashington, D.C. Dulles Intl
5h 02m
1 stop
DSM10:32 amDes Moines
$443
Find similar
United Airlines
Sep 9
DSM6:25 pmDes Moines
5h 07m
1 stop
IAD12:32 amWashington, D.C. Dulles Intl
Sep 14
IAD6:35 amWashington, D.C. Dulles Intl
5h 04m
1 stop
DSM10:39 amDes Moines
$467
Find similar

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 July 31, 2025.
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

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Tue 9/9

6:30 am-4:15 pm

1 stop8h 45m

Washington, D.C. Dulles Intl

Sat 9/13

7:00 am-12:25 pm

1 stop6h 25m

$236

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Tue 9/23

6:30 am-1:40 pm

1 stop6h 10m

Washington, D.C. Dulles Intl

Wed 10/1

5:45 am-2:40 pm

1 stop9h 55m

$242

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Fri 8/15

8:35 am-9:09 pm

3 stops11h 34m

Washington, D.C. Dulles Intl

Sun 8/17

11:04 am-11:27 pm

1 stop13h 23m

$352

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Sun 8/17

8:30 am-11:20 am

3 stops25h 50m

Washington, D.C. Dulles Intl

Thu 8/21

7:10 pm-8:41 pm

2 stops26h 31m

$354

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Sat 9/13

8:00 am-1:49 pm

1 stop4h 49m

Washington, D.C. Dulles Intl

Sat 9/20

7:17 pm-11:06 pm

1 stop4h 49m

$371

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Sat 9/13

8:00 am-1:49 pm

1 stop4h 49m

Washington, D.C. Dulles Intl

Sat 9/20

7:17 pm-11:06 pm

1 stop4h 49m

$372

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Sat 10/4

8:00 am-1:51 pm

1 stop4h 51m

Washington, D.C. Dulles Intl

Tue 10/7

1:20 pm-5:24 pm

1 stop5h 04m

$373

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Fri 10/3

2:05 pm-9:39 pm

1 stop6h 34m

Washington, D.C. Dulles Intl

Tue 10/7

12:06 pm-5:16 pm

1 stop6h 10m

$397

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Fri 9/12

5:25 pm-11:38 pm

1 stop5h 13m

Washington, D.C. Dulles Intl

Mon 9/15

6:00 am-10:40 am

1 stop5h 40m

$421

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Wed 10/1

6:36 pm-12:21 am

1 stop4h 45m

Washington, D.C. Dulles Intl

Tue 10/7

6:30 am-10:32 am

1 stop5h 02m

$443

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, December 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 $341. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of December, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $379.

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

Our data shows that Saturday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $348. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Des Moines to Washington, D.C. Dulles Intl Airport for around $643.

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

Flying to Washington, D.C. Dulles Intl Airport from Des Moines at noon is the least expensive time of day to depart. momondo users have found prices as low as $380 when looking at flights departing at noon. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $491 on average. Flights to Washington, D.C. Dulles Intl Airport from Des Moines in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

Best Price Found

$118

Fastest flight time

4h 31m

Direct flights

None
The best one-way flight to Washington, D.C. Dulles Intl Airport from Des Moines in the past 72 hours is $118. The best round-trip flight deal from Des Moines to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $236.
The fastest flight from Des Moines to Washington, D.C. Dulles Intl Airport takes 4h 31m
There are no direct flights from Des Moines to Washington, D.C. Dulles Intl Airport. Popular non-direct route for this connection is Des Moines Airport - Washington, D.C. Dulles Intl Airport.
Search flight deals

  • 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 31m.

  • 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
American AirlinesPriceFrom $262Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $266Free CancellationRating
8.0
7,981 reviews
Search Delta flights
United AirlinesPriceFrom $329Free CancellationRating
7.4
8,900 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
Gettysburg
Arlington
National Harbor
Winchester
Woodbridge
Laurel
Tysons
Silver Spring
Waldorf
Fredericksburg
Manassas
Harpers Ferry
Towson
Rockville
Colonial Beach
Gaithersburg
Fairfax
Reston
Glen Burnie

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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