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Dulles Intl

$106+ 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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
DSM — IAD
Jan 7 — Jan 141
Wed 1/7
Wed 1/14
1 adult, Economy
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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 8, 2025.

This Frontier deal was found by Cheapflights users on 12/6. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2110:17 amDSM - IAD
1 stop9h 46mFrontier
Mon 12/299:58 pmIAD - DSM
1 stop13h 21mFrontier
Deal found 12/6$187
This Mytrip deal was found by Cheapflights users on 12/5. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/143:44 pmDSM - IAD
1 stop15h 57mAllegiant Air
Thu 12/188:16 pmIAD - DSM
2 stops25h 57mAllegiant Air
Deal found 12/5$287
This Kiwi.com deal was found by Cheapflights users on 12/5. 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.
Sun 12/143:44 pmDSM - IAD
1 stop15h 57mMultiple Airlines
Tue 12/169:00 amIAD - DSM
2 stops26h 25mMultiple Airlines
Deal found 12/5$312
This Frontier deal was found by Cheapflights users on 12/7. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2110:17 amDSM - IAD
1 stop9h 46mFrontier
Mon 12/229:58 pmIAD - DSM
1 stop13h 21mFrontier
Deal found 12/7$317
This Frontier deal was found by Cheapflights users on 12/7. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2110:17 amDSM - IAD
1 stop9h 46mFrontier
Sat 12/2710:15 pmIAD - DSM
1 stop12h 07mFrontier
Deal found 12/7$332
This Kiwi.com deal was found by Cheapflights users on 12/6. 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.
Sun 12/212:56 pmDSM - IAD
1 stop16h 24mAllegiant Air
Mon 12/293:51 pmIAD - DSM
2 stops32h 10mAllegiant Air
Deal found 12/6$354
This Frontier deal was found by Cheapflights users on 12/8. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2311:14 amDSM - IAD
1 stop8h 49mFrontier
Sat 12/2710:15 pmIAD - DSM
1 stop12h 07mFrontier
Deal found 12/8$358
This Mytrip deal was found by Cheapflights users on 12/5. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/187:15 amDSM - IAD
1 stop8h 42mAllegiant Air
Tue 12/2310:10 amIAD - DSM
2 stops14h 00mAllegiant Air
Deal found 12/5$385
This Kiwi.com deal was found by Cheapflights users on 12/5. 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.
Sun 12/147:15 amDSM - IAD
1 stop8h 16mMultiple Airlines
Mon 12/155:45 amIAD - DSM
2 stops16h 24mMultiple Airlines
Deal found 12/5$390
This Mytrip deal was found by Cheapflights users on 12/7. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/187:15 amDSM - IAD
1 stop8h 42mMultiple Airlines
Mon 12/225:40 pmIAD - DSM
3 stops30h 30mMultiple Airlines
Deal found 12/7$391
This Kiwi.com deal was found by Cheapflights users on 12/7. 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.
Sun 12/212:56 pmDSM - IAD
1 stop16h 24mAllegiant Air
Tue 12/2310:10 amIAD - DSM
2 stops14h 00mAllegiant Air
Deal found 12/7$408
This Southwest deal was found by Cheapflights users on 12/6. 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 12/108:20 amDSM - IAD
1 stop6h 25mSouthwest
Fri 12/121:50 pmIAD - DSM
1 stop8h 10mSouthwest
Deal found 12/6$421

Find 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 December 8, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$187
(Frontier)

One-way from

$106
(Kiwi.com)

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

 
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 December 8, 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

Des Moines

Fly to

Dulles Intl

Route

Depart

Return

Price

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Mon 1/12

3:35 pm-9:17 pm

1 stop4h 42m

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

Sat 2/21

6:19 am-11:50 am

1 stop4h 31m

Washington, D.C. Dulles Intl

Thu 2/26

6:00 am-9:55 am

1 stop4h 55m

$341

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Wed 1/21

6:24 am-11:52 am

1 stop4h 28m

Washington, D.C. Dulles Intl

Wed 1/28

5:26 pm-8:54 pm

1 stop4h 28m

$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

Mon 1/12

6:15 pm-10:29 pm

1 stop5h 14m

$341

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Wed 1/7

11:26 am-5:17 pm

1 stop4h 51m

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

Wed 5/6

6:20 am-11:52 am

1 stop4h 32m

Washington, D.C. Dulles Intl

Tue 5/12

7:00 am-1:25 pm

1 stop7h 25m

$373

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Wed 3/4

7:00 am-2:43 pm

1 stop6h 43m

Washington, D.C. Dulles Intl

Sun 3/8

9:18 am-1:17 pm

1 stop4h 59m

$381

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Sat 1/10

11:30 am-5:35 pm

1 stop5h 05m

Washington, D.C. Dulles Intl

Sun 1/11

5:17 pm-9:50 pm

1 stop5h 33m

$381

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Fri 1/30

4:25 pm-11:57 pm

1 stop6h 32m

Washington, D.C. Dulles Intl

Mon 2/2

3:42 pm-10:29 pm

1 stop7h 47m

$381

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Wed 1/14

6:14 pm-2:15 pm

1 stop19h 01m

$122

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/7

Showing 1-10 of 20 results
1
2

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.
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.

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

Find hourly flight availability from Des Moines to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 8, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 57% on flights from Des Moines to Washington, D.C. Dulles Intl Airport by exploring options for tickets in the evening.

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 December 8, 2025.
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
8,013 reviews

Comfort

7.9

Overall

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Boarding

8.1

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
8,013 reviews
Delta
7.9
Good
8,013 reviews

Comfort

7.9

Overall

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Boarding

8.1

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
9,076 reviews
Delta
7.9
Good
8,013 reviews

Comfort

7.9

Overall

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Boarding

8.1

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 31m. 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
Hanover
Silver Spring
Fredericksburg
Fairfax
Linthicum Heights
Manassas
Rockville
Laurel
Towson
National Harbor
Bowie
Largo
McLean
Clinton

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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 December 8, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$174Average$396FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$387Average$502FlexibilityNo cancel feeOn-time69%

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