How often are flights from Des Moines to Washington, D.C. delayed?

About 26% of weekly flights between Des Moines and Washington, D.C. have experienced delays in the past year, with the average delay time being 93 minutes.

What is the most punctual flight time for Des Moines to Washington, D.C. flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Monday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Des Moines to Washington, D.C. flights?

Over the last year, TezJet have had the lowest number of delays on this route, with just 100% of flights being delayed.

How long is the flight from Des Moines to Washington, D.C. Dulles Intl Airport?

Departing from Des Moines to Washington, D.C. Dulles Intl Airport will take you 4h 25m. The distance from Des Moines to Washington, D.C. Dulles Intl Airport is about 871 mi. This flight may include one or multiple stops.

What are the cheapest airlines flying from Des Moines to Washington, D.C. Dulles Intl Airport round-trip?

Cheapflights users have booked flights from Des Moines to Washington, D.C. Dulles Intl Airport round-trip from $174. Another airline that can offer you cheap pricing is United Airlines. Delta is priced at 61% lower than the current average price of a flight leaving 3 months from now.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

What is the cheapest time of day to fly from DSM to IAD?

When flying from Des Moines to Washington, D.C. Dulles Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Most accurate provider : When it comes to deals on Des Moines-Washington, D.C. Dulles Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Des Moines-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Des Moines-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Des Moines-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Des Moines-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly from for flights from Des Moines to Washington, D.C. Dulles Intl?

Most people fly from Des Moines (DSM) if they book a flight from Des Moines to Washington, D.C. Dulles Intl. On average, Des Moines has 0 outbound flights to Washington, D.C. Dulles Intl per day from 2 airlines. Des Moines is conveniently located just 3.6 mi from Des Moines’s city center.

Can I find deals for flights from Des Moines to Dulles Intl that include hotel bookings?

Yes. In addition to deals on Des Moines to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Des Moines to Dulles Intl?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Des Moines to Dulles Intl.

Can I find deals for business class flights from Des Moines to Dulles Intl?

Yes. Cheapflights offers flight deals from Des Moines to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$161+ Flights from Des Moines to Washington, D.C. Dulles Intl Airport

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Des Moines to Dulles Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Des Moines to Dulles Intl

Cheapest flights from Des Moines to Dulles Intl
Explore the most affordable flight options available from Des Moines to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

Thu 12/256:15 amDSM - IAD

1 stop4h 37mDelta

Wed 12/316:00 amIAD - DSM

1 stop6h 28mDelta

Deal found 12/10

$438

Thu 12/112:16 pmDSM - IAD

1 stop6h 13mDelta

Thu 1/156:00 amIAD - DSM

1 stop6h 24mDelta

Deal found 12/11

$442

Thu 12/258:00 amDSM - IAD

1 stop7h 24mUnited Airlines

Sun 12/285:31 pmIAD - DSM

1 stop5h 09mUnited Airlines

Deal found 12/10

$458

Thu 12/113:17 pmDSM - IAD

2 stops19h 23mUnited Airlines

Fri 12/122:30 pmIAD - DSM

1 stop7h 18mUnited Airlines

Deal found 12/10

$460

Sun 12/212:56 pmDSM - IAD

1 stop16h 24mAllegiant Air

Fri 12/263:51 pmIAD - DSM

2 stops31h 33mAllegiant Air

Deal found 12/9

$463

Sun 12/212:56 pmDSM - IAD

1 stop16h 24mMultiple Airlines

Sun 12/289:58 pmIAD - DSM

2 stops50h 12mMultiple Airlines

Deal found 12/9

$474

Sun 12/148:00 amDSM - IAD

1 stop10h 05mSouthwest

Tue 12/167:40 amIAD - DSM

1 stop13h 15mSouthwest

Deal found 12/11

$482

Tue 12/236:41 amDSM - IAD

1 stop5h 46mAmerican Airlines

Wed 12/319:12 amIAD - DSM

1 stop5h 09mAmerican Airlines

Deal found 12/11

$503

Fri 12/1211:01 amDSM - IAD

1 stop6h 11mDelta

Tue 12/1611:58 amIAD - DSM

1 stop6h 05mDelta

Deal found 12/11

$523

Thu 12/113:17 pmDSM - IAD

2 stops19h 20mUnited Airlines

Thu 1/158:20 amIAD - DSM

1 stop7h 13mUnited Airlines

Deal found 12/11

$538

Thu 12/256:41 amDSM - IAD

1 stop5h 46mAmerican Airlines

Wed 12/319:12 amIAD - DSM

2 stops13h 55mAmerican Airlines

Deal found 12/10

$540

Best flights from Des Moines to Dulles Intl
Discover carefully curated flight deals from Des Moines to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

Sat 2/213:24 pmDSM - IAD

1 stop4h 54mUnited Airlines

Wed 2/258:15 amIAD - DSM

1 stop7h 12mUnited Airlines

Deal found 12/11

$341

Thu 1/294:25 pmDSM - IAD

1 stop5h 47mAmerican Airlines

Sat 1/3111:34 amIAD - DSM

1 stop5h 50mAmerican Airlines

Deal found 12/11

$341

Thu 1/86:24 amDSM - IAD

1 stop4h 25mDelta

Thu 1/156:00 amIAD - DSM

1 stop6h 24mDelta

Deal found 12/11

$341

Tue 1/138:00 amDSM - IAD

1 stop7h 00mUnited Airlines

Thu 1/158:20 amIAD - DSM

1 stop7h 13mUnited Airlines

Deal found 12/11

$341

Mon 1/124:25 pmDSM - IAD

1 stop5h 47mAmerican Airlines

Mon 1/1911:34 amIAD - DSM

1 stop5h 10mAmerican Airlines

Deal found 12/10

$341

Mon 1/264:21 pmDSM - IAD

1 stop6h 36mDelta

Tue 1/2712:40 pmIAD - DSM

1 stop4h 48mDelta

Deal found 12/11

$341

Wed 1/74:21 pmDSM - IAD

1 stop6h 36mDelta

Mon 1/126:15 pmIAD - DSM

1 stop5h 14mDelta

Deal found 12/11

$341

Wed 1/711:42 amDSM - IAD

2 stops10h 30mAmerican Airlines

Mon 1/1211:34 amIAD - DSM

1 stop5h 10mAmerican Airlines

Deal found 12/11

$380

Tue 6/26:20 amDSM - IAD

1 stop4h 32mDelta

Sat 6/61:00 pmIAD - DSM

1 stop5h 42mDelta

Deal found 12/10

$373

Wed 5/66:20 amDSM - IAD

1 stop4h 32mDelta

Tue 5/125:25 pmIAD - DSM

1 stop6h 04mDelta

Deal found 12/10

$373

Fri 1/3010:21 amDSM - IAD

1 stop5h 25mDelta

Mon 2/212:32 pmIAD - DSM

1 stop5h 36mDelta

Deal found 12/10

$381

Last-minute flights from Des Moines to Dulles Intl
Discover last-minute flight deals from Des Moines to Dulles Intl. Data last updated December 12, 2025 and is based on user searches.

Mon 1/58:00 amDSM - IAD

1 stop10h 05mSouthwest

Wed 1/79:05 amIAD - DSM

1 stop11h 15mSouthwest

Deal found 12/10

$422

Wed 1/74:21 pmDSM - IAD

1 stop6h 36mDelta

Mon 1/125:26 pmIAD - DSM

1 stop4h 28mDelta

Deal found 12/9

$341

Wed 1/711:42 amDSM - IAD

2 stops10h 30mAmerican Airlines

Mon 1/1211:34 amIAD - DSM

1 stop5h 10mAmerican Airlines

Deal found 12/11

$380

Sun 1/257:15 amDSM - IAD

1 stop9h 32mMultiple Airlines

Sun 2/19:18 amIAD - DSM

2 stops13h 51mMultiple Airlines

Deal found 12/10

$408

Sun 1/256:24 amDSM - IAD

1 stop4h 28mDelta

Sun 2/112:32 pmIAD - DSM

1 stop5h 36mDelta

Deal found 12/11

$421

Mon 1/267:00 amDSM - IAD

2 stops15h 12mAmerican Airlines

Tue 1/275:46 pmIAD - DSM

1 stop6h 22mAmerican Airlines

Deal found 12/11

$399

Thu 1/297:15 amDSM - IAD

1 stop9h 32mMultiple Airlines

Sun 2/19:18 amIAD - DSM

2 stops13h 51mMultiple Airlines

Deal found 12/9

$417

Fri 1/3010:21 amDSM - IAD

1 stop5h 25mDelta

Mon 2/212:32 pmIAD - DSM

1 stop5h 36mDelta

Deal found 12/10

$381

Fri 1/3011:42 amDSM - IAD

2 stops10h 30mAmerican Airlines

Mon 2/25:46 pmIAD - DSM

1 stop6h 22mAmerican Airlines

Deal found 12/11

$409

One-way flights from Des Moines to Dulles Intl
Search for one-way flight options from Des Moines to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated December 12, 2025.

Tue 12/3011:14 amDSM - IAD

1 stop8h 49mFrontier

Deal found 12/10

$161

Thu 3/56:50 amDSM - IAD

1 stop8h 15mSouthwest

Deal found 12/9

$211

Thu 3/57:27 pmDSM - IAD

2 stops22h 16mFrontier

Deal found 12/9

$221

Fri 3/67:58 pmDSM - IAD

2 stops34h 28mFrontier

Deal found 12/9

$238

Thu 3/58:30 amDSM - IAD

1 stop6h 22mAllegiant Air

Deal found 12/9

$256

Wed 12/311:45 pmDSM - IAD

2 stops20h 53mMultiple Airlines

Deal found 12/9

$257

Sun 1/257:00 amDSM - IAD

2 stops15h 12mAmerican Airlines

Deal found 12/11

$265

Fri 3/66:50 amDSM - IAD

1 stop8h 15mSouthwest

Deal found 12/9

$266

Thu 12/188:00 amDSM - IAD

1 stop10h 05mSouthwest

Deal found 12/9

$273

Fri 1/236:48 pmDSM - IAD

1 stop25h 29mUnited Airlines

Deal found 12/9

$275

Fri 12/196:35 amDSM - IAD

1 stop11h 35mSouthwest

Deal found 12/11

$277

Find flight deals from Des Moines to Dulles Intl

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$341 (United Airlines)
One-way from	$161 (Frontier)
Popular in	November
Cheapest in	July
Average price	$387

Provider with most accurate pricing for Des Moines-Washington, D.C. Dulles Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for Des Moines-Washington, D.C. Dulles Intl flights.

Search Deals

From Des Moines to Washington, D.C. Dulles Intl

Search Deals

One-way flight from Des Moines to Washington, D.C. Dulles Intl

Search Deals

Highest demand for flights based on searches. 9% potential increase in price ($47 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($23 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

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

Sat 2/21

3:24 pm-9:18 pm

1 stop4h 54m

Washington, D.C. Dulles Intl

Wed 2/25

8:15 am-2:27 pm

1 stop7h 12m

$341

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Thu 1/29

4:25 pm-11:12 pm

1 stop5h 47m

Washington, D.C. Dulles Intl

Sat 1/31

11:34 am-4:24 pm

1 stop5h 50m

$341

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Thu 1/8

6:24 am-11:49 am

1 stop4h 25m

Washington, D.C. Dulles Intl

Thu 1/15

6:00 am-11:24 am

1 stop6h 24m

$341

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Tue 1/13

8:00 am-4:00 pm

1 stop7h 00m

Washington, D.C. Dulles Intl

Thu 1/15

8:20 am-2:33 pm

1 stop7h 13m

$341

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Mon 1/12

4:25 pm-11:12 pm

1 stop5h 47m

Washington, D.C. Dulles Intl

Mon 1/19

11:34 am-3:44 pm

1 stop5h 10m

$341

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Mon 1/26

4:21 pm-11:57 pm

1 stop6h 36m

Washington, D.C. Dulles Intl

Tue 1/27

12:40 pm-4:28 pm

1 stop4h 48m

$341

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Wed 1/7

4:21 pm-11:57 pm

1 stop6h 36m

Washington, D.C. Dulles Intl

Mon 1/12

6:15 pm-10:29 pm

1 stop5h 14m

$341

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Tue 6/2

6:20 am-11:52 am

1 stop4h 32m

Washington, D.C. Dulles Intl

Sat 6/6

1:00 pm-5:42 pm

1 stop5h 42m

$373

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Wed 5/6

6:20 am-11:52 am

1 stop4h 32m

Washington, D.C. Dulles Intl

Tue 5/12

5:25 pm-10:29 pm

1 stop6h 04m

$373

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Wed 1/7

11:42 am-11:12 pm

2 stops10h 30m

Washington, D.C. Dulles Intl

Mon 1/12

11:34 am-3:44 pm

1 stop5h 10m

$380

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Showing 1-10 of 21 results

Compare providers for flights from Des Moines to Dulles Intl

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Des Moines to Dulles Intl in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Des Moines-Washington, D.C. Dulles Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Des Moines-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Des Moines-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Des Moines-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Des Moines-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Des Moines to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Des Moines with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Des Moines to Washington, D.C. Dulles Intl Airport

Prices

Delays

What is the cheapest month to book a flight from Des Moines to Washington, D.C. Dulles Intl Airport?

Currently, March is the cheapest month in which you can book a flight from Des Moines to Washington, D.C. Dulles Intl Airport (average of $184). Flying from Des Moines to Washington, D.C. Dulles Intl Airport in November is currently the most expensive (average of $690). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Dulles Intl

Read through reviews of airlines operating flights from Des Moines to Washington, D.C. Dulles Intl Airport, such as Delta and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

7.9

Good

8,007 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Delta

7.9

Good

8,007 reviews

Delta

7.9

Good

8,007 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

United Airlines

7.4

Good

9,095 reviews

Delta

7.9

Good

8,007 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Related info for your journey

What airport do you fly from for flights from Des Moines to Washington, D.C. Dulles Intl?
Most people fly from Des Moines (DSM) if they book a flight from Des Moines to Washington, D.C. Dulles Intl. On average, Des Moines has 0 outbound flights to Washington, D.C. Dulles Intl per day from 2 airlines. Des Moines is conveniently located just 3.6 mi from Des Moines’s city center.
How long is the flight from Des Moines to Washington, D.C. Dulles Intl Airport?
Departing from Des Moines to Washington, D.C. Dulles Intl Airport will take you 4h 25m. The distance from Des Moines to Washington, D.C. Dulles Intl Airport is about 871 mi. This flight may include one or multiple stops.
What are the cheapest airlines flying from Des Moines to Washington, D.C. Dulles Intl Airport round-trip?
Cheapflights users have booked flights from Des Moines to Washington, D.C. Dulles Intl Airport round-trip from $174. Another airline that can offer you cheap pricing is United Airlines. Delta is priced at 61% lower than the current average price of a flight leaving 3 months from now.
Can I find deals for flights from Des Moines to Dulles Intl that include hotel bookings?
Yes. In addition to deals on Des Moines to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Des Moines to Dulles Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Des Moines to Dulles Intl.
Can I find deals for business class flights from Des Moines to Dulles Intl?
Yes. Cheapflights offers flight deals from Des Moines to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Des Moines to Washington, D.C. Dulles Intl Airport?
Currently, March is the cheapest month in which you can book a flight from Des Moines to Washington, D.C. Dulles Intl Airport (average of $184). Flying from Des Moines to Washington, D.C. Dulles Intl Airport in November is currently the most expensive (average of $690). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Alexandria

Woodbridge

Tysons

Arlington

Owings Mills

Springfield

Hanover

Silver Spring

Fredericksburg

Fairfax

Linthicum Heights

Manassas

Rockville

Laurel

Towson

National Harbor

Bowie

Largo

McLean

Clinton

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Des Moines to Dulles Intl

Complete your trip

Washington, D.C. Dulles Intl Airport car rentals

Washington, D.C. car rentals

Dupont Circle car rentals

Georgetown car rentals

Downtown car rentals

Capitol Hill car rentals

Foggy Bottom - West End car rentals

Southwest Waterfront car rentals

Columbia Heights car rentals

Adams Morgan car rentals

Shaw car rentals

Anacostia car rentals

Other flights to Dulles Intl

Miami to Dulles Intl flights

Atlanta to Dulles Intl flights

Orlando to Dulles Intl flights

Knoxville to Dulles Intl flights

Asheville to Dulles Intl flights

Lancaster to Dulles Intl flights

Washington, D.C. Dulles Intl Airport to Tampa flights

Washington, D.C. Dulles Intl Airport to Ogdensburg flights

Washington, D.C. Dulles Intl Airport to Miami flights

Washington, D.C. Dulles Intl Airport to Asheville flights

Washington, D.C. Dulles Intl Airport to New Haven flights

Washington, D.C. Dulles Intl Airport to Savannah flights

Washington, D.C. Dulles Intl Airport to Knoxville flights

Washington, D.C. Dulles Intl Airport to Orlando Airport flights

Washington, D.C. Dulles Intl Airport to Miami flights

Washington, D.C. Dulles Intl Airport to Ogdensburg flights

Washington, D.C. Dulles Intl Airport to Atlanta flights

Washington, D.C. Dulles Intl Airport to Jacksonville flights

Washington, D.C. Dulles Intl Airport to Lancaster, Pennsylvania flights

Washington, D.C. Dulles Intl Airport to Blountville flights

Washington, D.C. Dulles Intl Airport to Newark Airport flights

Washington, D.C. Dulles Intl Airport to Fort Lauderdale flights

Washington, D.C. Dulles Intl Airport to New York LaGuardia Airport flights

Washington, D.C. Dulles Intl Airport to Atlanta flights

Top 2 airlines flying from Des Moines to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$174	Average$396	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$387	Average$502	FlexibilityNo cancel fee	On-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$161+ Cheap flights from Des Moines (DSM) to Dulles Intl (IAD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/30. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Des Moines to Dulles Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Des Moines to Dulles Intl

Cheapest flights from Des Moines to Dulles IntlExplore the most affordable flight options available from Des Moines to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

Explore the most affordable flight options available from Des Moines to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

Find flight deals from Des Moines to Dulles Intl

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

Compare providers for flights from Des Moines to Dulles Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Des Moines to Dulles Intl in December.

Best time to book a flight from Des Moines to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Des Moines with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Des Moines to Washington, D.C. Dulles Intl Airport

What is the cheapest month to book a flight from Des Moines to Washington, D.C. Dulles Intl Airport?

How often are flights from Des Moines to Washington, D.C. delayed?

What is the most punctual flight time for Des Moines to Washington, D.C. flights?

What day of the week experiences the fewest flight delays on this route?

Which airline has the best punctuality record on Des Moines to Washington, D.C. flights?

Reviews of airlines servicing Dulles Intl

Read through reviews of airlines operating flights from Des Moines to Washington, D.C. Dulles Intl Airport, such as Delta and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Des Moines to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Des Moines to Washington, D.C. Dulles Intl?

How long is the flight from Des Moines to Washington, D.C. Dulles Intl Airport?

What are the cheapest airlines flying from Des Moines to Washington, D.C. Dulles Intl Airport round-trip?

Can I find deals for flights from Des Moines to Dulles Intl that include hotel bookings?

How can I find direct flights from Des Moines to Dulles Intl?

Can I find deals for business class flights from Des Moines to Dulles Intl?

What is the cheapest month to book a flight from Des Moines to Washington, D.C. Dulles Intl Airport?

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Des Moines to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Des Moines to Dulles Intl

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Des Moines to Dulles Intl
Explore the most affordable flight options available from Des Moines to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.