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Dulles Intl

$125+ 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 3/21. Fares are subject to change and may not be available on all flights or dates of travel.
DSM — IAD
Feb 13 — Feb 201
Fri 2/13
Fri 2/20
1 adult, Economy
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Cheap flight deals from Des Moines to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Des Moines (DSM) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 14, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$312
(Kiwi.com)

One-way from

$169
(Kiwi.com)

Popular in

November

Cheapest in

July

Average price

$482
Provider with most accurate pricing for Des Moines-Washington, D.C. Dulles Intl flight deals.
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Provider most trusted by Cheapflights users for Des Moines-Washington, D.C. Dulles Intl flights.
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From Des Moines to Washington, D.C. Dulles Intl
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One-way flight from Des Moines to Washington, D.C. Dulles Intl
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Highest demand for flights based on searches. 9% potential increase in price ($47 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find 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 January 14, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/118:21 pm
DSM
-
IAD
2 stops27h 10m
Multiple Airlines
Sat 3/148:09 am
IAD
-
DSM
1 stop10h 37m
Multiple Airlines
Deal found 1/13$312
This Kiwi.com deal was found by Cheapflights users on 1/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/277:59 pm
DSM
-
IAD
2 stops12h 35m
Multiple Airlines
Fri 3/69:12 am
IAD
-
DSM
1 stop13h 52m
Multiple Airlines
Deal found 1/13$314
This United Airlines deal was found by Cheapflights users on 1/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/143:24 pm
DSM
-
IAD
1 stop4h 54m
United Airlines
Wed 2/185:17 pm
IAD
-
DSM
1 stop5h 24m
United Airlines
Deal found 1/13$327
This Delta deal was found by Cheapflights users on 1/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/285:24 am
DSM
-
IAD
1 stop5h 11m
Delta
Sat 3/712:38 pm
IAD
-
DSM
1 stop5h 19m
Delta
Deal found 1/13$347
This American Airlines deal was found by Cheapflights users on 1/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/62:02 pm
DSM
-
IAD
1 stop5h 28m
American Airlines
Sat 3/79:18 am
IAD
-
DSM
1 stop4h 59m
American Airlines
Deal found 1/12$357
This Kiwi.com deal was found by Cheapflights users on 1/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/198:30 am
DSM
-
IAD
1 stop6h 20m
Multiple Airlines
Sun 2/227:20 pm
IAD
-
DSM
2 stops24h 12m
Multiple Airlines
Deal found 1/12$367
This American Airlines deal was found by Cheapflights users on 1/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/142:02 pm
DSM
-
IAD
1 stop5h 28m
American Airlines
Wed 2/185:00 am
IAD
-
DSM
2 stops14h 19m
American Airlines
Deal found 1/12$372
This Southwest deal was found by Cheapflights users on 1/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/118:35 am
DSM
-
IAD
1 stop6h 15m
Southwest
Fri 2/135:10 am
IAD
-
DSM
2 stops19h 25m
Southwest
Deal found 1/13$375

Cheapflights Fare Finder

 
Customize your flight search to find flights from Des Moines to Dulles Intl 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, Cheapflights users made 2,558,603 searches. Data last updated January 14, 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

Des Moines

Fly to

Dulles Intl

Route

Depart

Return

Price

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Wed 3/11

8:21 pm-12:31 am

2 stops27h 10m

Washington, D.C. Dulles Intl

Sat 3/14

8:09 am-5:46 pm

1 stop10h 37m

$312

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

$327

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Sat 2/14

3:24 pm-9:18 pm

1 stop4h 54m

Washington, D.C. Dulles Intl

Wed 2/18

5:17 pm-9:41 pm

1 stop5h 24m

$327

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Sat 2/28

5:24 am-11:35 am

1 stop5h 11m

Washington, D.C. Dulles Intl

Sat 3/7

6:00 am-10:09 am

1 stop5h 09m

$347

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Fri 3/6

2:02 pm-8:30 pm

1 stop5h 28m

Washington, D.C. Dulles Intl

Sat 3/7

9:18 am-1:17 pm

1 stop4h 59m

$357

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Wed 2/11

8:35 am-3:50 pm

1 stop6h 15m

Washington, D.C. Dulles Intl

Fri 2/13

5:10 am-11:35 pm

2 stops19h 25m

$375

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Wed 3/4

5:15 pm-12:21 am

1 stop6h 06m

Washington, D.C. Dulles Intl

Sun 3/8

6:00 am-9:46 am

1 stop4h 46m

$377

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Tue 3/3

4:20 pm-11:55 pm

1 stop6h 35m

Washington, D.C. Dulles Intl

Sun 3/8

10:06 am-4:33 pm

1 stop7h 27m

$377

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Thu 2/19

8:30 am-3:50 pm

1 stop6h 20m

Washington, D.C. Dulles Intl

Mon 2/23

10:20 am-7:48 pm

2 stops10h 28m

$386

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Thu 2/19

8:00 am-4:05 pm

1 stop7h 05m

Washington, D.C. Dulles Intl

Mon 2/23

5:17 pm-9:41 pm

1 stop5h 24m

$387

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/13

Showing 1-10 of 21 results
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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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust 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

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

Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated January 14, 2026.
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
8,040 reviews

Overall

7.9

Food

7.2

Boarding

8.1

Crew

8.5

Comfort

7.9

Entertainment

7.8

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
8,040 reviews
Delta
7.9
Good
8,040 reviews

Overall

7.9

Food

7.2

Boarding

8.1

Crew

8.5

Comfort

7.9

Entertainment

7.8

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.
United Airlines
7.4
Good
9,156 reviews
Delta
7.9
Good
8,040 reviews

Overall

7.9

Food

7.2

Boarding

8.1

Crew

8.5

Comfort

7.9

Entertainment

7.8

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.

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?

    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 54m. 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

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

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Hanover
Fredericksburg
Linthicum Heights
Rockville
Laurel
Towson
Manassas
National Harbor
Largo
Bowie
McLean
Clinton
Herndon

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Des Moines to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Des Moines to Dulles Intl

Discover the top 2 airlines that operate flights from Des Moines to Dulles Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$174Average$396FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$387Average$502FlexibilityNo cancel feeOn-time69%

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