HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dulles Intl

$121+ 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 3/28. Fares are subject to change and may not be available on all flights or dates of travel.
DSM — IAD
Mar 14 — Mar 211
Sat 3/14
Sat 3/21
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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 February 12, 2026.

This Delta deal was found by Cheapflights users on 2/11. 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.
Thu 3/56:19 am
DSM
-
IAD
1 stop4h 34m
Delta
Wed 3/1112:47 pm
IAD
-
DSM
1 stop4h 46m
Delta
Deal found 2/11$319
This Frontier deal was found by Cheapflights users on 2/11. 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.
Sat 3/75:59 pm
DSM
-
IAD
1 stop11h 25m
Frontier
Sat 3/148:09 am
IAD
-
DSM
1 stop10h 52m
Frontier
Deal found 2/11$325
This American Airlines deal was found by Cheapflights users on 2/11. 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 3/281:52 pm
DSM
-
IAD
1 stop5h 38m
American Airlines
Sat 4/44:46 pm
IAD
-
DSM
1 stop6h 13m
American Airlines
Deal found 2/11$333
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 3/228:30 am
DSM
-
IAD
1 stop21h 54m
Multiple Airlines
Wed 3/256:20 am
IAD
-
DSM
2 stops13h 56m
Multiple Airlines
Deal found 2/10$337
This Delta deal was found by Cheapflights users on 2/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/86:15 am
DSM
-
IAD
1 stop4h 17m
Delta
Sat 4/116:00 am
IAD
-
DSM
1 stop4h 47m
Delta
Deal found 2/8$347
This American Airlines deal was found by Cheapflights users on 2/11. 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.
Tue 4/148:56 am
DSM
-
IAD
2 stops13h 10m
American Airlines
Thu 4/166:25 am
IAD
-
DSM
1 stop7h 46m
American Airlines
Deal found 2/11$353
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Sat 3/216:50 pm
DSM
-
IAD
1 stop11h 30m
Multiple Airlines
Wed 3/256:20 am
IAD
-
DSM
2 stops32h 09m
Multiple Airlines
Deal found 2/10$356
This Delta deal was found by Cheapflights users on 2/10. 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 3/215:20 pm
DSM
-
IAD
1 stop5h 00m
Delta
Wed 3/256:00 am
IAD
-
DSM
1 stop4h 46m
Delta
Deal found 2/10$357
This Delta deal was found by Cheapflights users on 2/11. 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.
Mon 5/185:57 pm
DSM
-
IAD
1 stop3h 59m
Delta
Tue 5/198:05 am
IAD
-
DSM
1 stop6h 42m
Delta
Deal found 2/11$359
This Southwest deal was found by Cheapflights users on 2/11. 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.
Thu 3/56:50 am
DSM
-
IAD
1 stop8h 15m
Southwest
Tue 3/105:50 am
IAD
-
DSM
1 stop8h 25m
Southwest
Deal found 2/11$362
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 3/262:19 pm
DSM
-
IAD
1 stop29h 36m
Multiple Airlines
Thu 4/26:00 am
IAD
-
DSM
2 stops15h 11m
Multiple Airlines
Deal found 2/9$365
This American Airlines deal was found by Cheapflights users on 2/10. 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.
Wed 4/811:09 am
DSM
-
IAD
2 stops11h 50m
American Airlines
Sat 4/113:26 pm
IAD
-
DSM
1 stop7h 01m
American Airlines
Deal found 2/10$367

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 February 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$319
(Delta)

One-way from

$121
(Frontier)

Popular in

November

Cheapest in

July

Average price

$379
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. 11% potential increase in price ($56 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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 February 12, 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

Thu 3/5

6:19 am-11:53 am

1 stop4h 34m

Washington, D.C. Dulles Intl

Wed 3/11

12:47 pm-4:33 pm

1 stop4h 46m

$319

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Wed 4/8

4:25 pm-11:41 pm

1 stop6h 16m

Washington, D.C. Dulles Intl

Sat 4/11

6:00 am-9:47 am

1 stop4h 47m

$319

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Sat 3/7

5:59 pm-6:24 am

1 stop11h 25m

Washington, D.C. Dulles Intl

Sat 3/14

8:09 am-6:01 pm

1 stop10h 52m

$325

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Tue 3/10

6:40 am-3:55 pm

1 stop8h 15m

Washington, D.C. Dulles Intl

Tue 3/17

5:50 am-1:15 pm

1 stop8h 25m

$347

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Sat 5/16

8:00 am-2:03 pm

1 stop5h 03m

Washington, D.C. Dulles Intl

Tue 5/19

10:08 am-2:24 pm

1 stop5h 16m

$347

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Tue 5/12

1:05 pm-7:28 pm

1 stop5h 23m

Washington, D.C. Dulles Intl

Sat 5/23

5:38 pm-10:51 pm

1 stop6h 13m

$347

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Sat 4/18

5:45 am-2:05 pm

1 stop7h 20m

Washington, D.C. Dulles Intl

Tue 4/21

7:06 am-1:55 pm

1 stop7h 49m

$347

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Wed 4/8

11:09 am-11:59 pm

2 stops11h 50m

Washington, D.C. Dulles Intl

Sat 4/11

3:26 pm-9:27 pm

1 stop7h 01m

$353

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Sat 3/21

5:35 am-11:55 am

1 stop5h 20m

Washington, D.C. Dulles Intl

Tue 3/31

5:32 pm-8:45 pm

1 stop4h 13m

$357

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Tue 5/12

11:40 am-7:28 pm

1 stop6h 48m

Washington, D.C. Dulles Intl

Sun 5/17

6:15 am-10:37 am

1 stop5h 22m

$377

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/11

Showing 1-10 of 19 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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Des Moines-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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

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

About 25% of weekly flights between Des Moines and Washington, D.C. have experienced delays in the past year, with the average delay time being 85 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.

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 February 12, 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
8,180 reviews

Comfort

7.9

Overall

7.9

Entertainment

7.8

Food

7.2

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
8,180 reviews
Delta
7.9
Good
8,180 reviews

Comfort

7.9

Overall

7.9

Entertainment

7.8

Food

7.2

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
9,279 reviews
Delta
7.9
Good
8,180 reviews

Comfort

7.9

Overall

7.9

Entertainment

7.8

Food

7.2

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 34m. 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 $151. Another airline that can offer you cheap pricing is United Airlines. Delta is priced at 65% 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.

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
Herndon
Fredericksburg
Hanover
Laurel
Linthicum Heights
Rockville
Upper Marlboro
Manassas
Bowie
Largo
McLean
Clinton
Towson

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.

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 February 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$151Average$383FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$387Average$502FlexibilityNo cancel feeOn-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.
Site
©2026 Cheapflights