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Dulles Intl

$135+ 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 8/17. Fares are subject to change and may not be available on all flights or dates of travel.
DSM — IAD
Sep 2 — Sep 91
Wed 9/2
Wed 9/9
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 August 3, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/28. 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 9/302:42 pm
DSM
-
IAD
1 stop14h 38m
Multiple Airlines
Wed 10/76:13 pm
IAD
-
DSM
1 stop23h 39m
Multiple Airlines
Deal found 7/28$277
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 8/279:28 am
DSM
-
IAD
2 stops23h 22m
Multiple Airlines
Mon 8/318:59 am
IAD
-
DSM
1 stop12h 05m
Multiple Airlines
Deal found 7/31$329
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 9/302:42 pm
DSM
-
IAD
1 stop14h 38m
Multiple Airlines
Sun 10/49:04 pm
IAD
-
DSM
2 stops17h 52m
Multiple Airlines
Deal found 7/29$332
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 8/287:38 pm
DSM
-
IAD
1 stop11h 26m
Multiple Airlines
Sun 8/306:20 am
IAD
-
DSM
2 stops14h 34m
Multiple Airlines
Deal found 8/1$360
This Kiwi.com deal was found by Cheapflights users on 7/29. 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.
Mon 9/219:31 pm
DSM
-
IAD
1 stop31h 49m
Multiple Airlines
Fri 9/256:00 am
IAD
-
DSM
2 stops14h 33m
Multiple Airlines
Deal found 7/29$372
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 9/101:58 pm
DSM
-
IAD
2 stops33h 12m
Multiple Airlines
Thu 9/176:00 am
IAD
-
DSM
1 stop16h 06m
Multiple Airlines
Deal found 7/31$373
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 8/212:19 pm
DSM
-
IAD
2 stops27h 10m
Multiple Airlines
Mon 8/248:59 am
IAD
-
DSM
1 stop11h 49m
Multiple Airlines
Deal found 8/1$375
This Kiwi.com deal was found by Cheapflights users on 7/31. 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.
Mon 9/149:31 pm
DSM
-
IAD
1 stop31h 49m
Multiple Airlines
Mon 9/216:00 am
IAD
-
DSM
1 stop15h 41m
Multiple Airlines
Deal found 7/31$384
This Delta deal was found by Cheapflights users on 7/30. 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.
Sun 9/612:08 pm
DSM
-
IAD
1 stop6h 57m
Delta
Wed 9/910:15 am
IAD
-
DSM
1 stop6h 00m
Delta
Deal found 7/30$397
This American Airlines deal was found by Cheapflights users on 8/1. 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 9/151:30 pm
DSM
-
IAD
1 stop4h 29m
American Airlines
Tue 9/227:57 am
IAD
-
DSM
1 stop5h 07m
American Airlines
Deal found 8/1$400

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 August 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$277
(Kiwi.com)

One-way from

$135
(Kiwi.com)

Popular in

November

Cheapest in

April

Average price

$386
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. 7% potential increase in price ($36 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 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 August 3, 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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Sun 9/6

12:08 pm-8:05 pm

1 stop6h 57m

Washington, D.C. Dulles Intl

Wed 9/9

10:15 am-3:15 pm

1 stop6h 00m

$397

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Sat 10/31

4:07 pm-12:42 am

1 stop7h 35m

Washington, D.C. Dulles Intl

Wed 11/4

6:00 am-10:42 am

1 stop5h 42m

$397
Quickest round-trip

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Tue 9/22

6:54 pm-12:41 am

1 stop4h 47m

Washington, D.C. Dulles Intl

Sat 9/26

5:15 pm-8:46 pm

1 stop4h 31m

$397

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Wed 8/26

10:59 am-6:09 pm

1 stop6h 10m

Washington, D.C. Dulles Intl

Tue 9/1

6:00 am-10:43 am

1 stop5h 43m

$435

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Wed 9/16

11:31 am-5:11 pm

1 stop4h 40m

Washington, D.C. Dulles Intl

Mon 9/21

11:10 am-5:19 pm

1 stop7h 09m

$437

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Thu 9/10

10:20 am-4:30 pm

1 stop5h 10m

Washington, D.C. Dulles Intl

Sun 9/13

6:10 am-10:17 am

1 stop5h 07m

$437

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Wed 12/9

6:40 am-1:20 pm

1 stop5h 40m

Washington, D.C. Dulles Intl

Sun 12/13

2:06 pm-10:19 pm

2 stops9h 13m

$442

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Thu 10/8

6:54 pm-12:42 am

1 stop4h 48m

Washington, D.C. Dulles Intl

Sun 10/11

6:05 am-9:42 am

1 stop4h 37m

$477

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Thu 10/1

10:20 am-4:30 pm

1 stop5h 10m

Washington, D.C. Dulles Intl

Mon 10/5

6:10 am-10:17 am

1 stop5h 07m

$477

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Thu 11/5

6:00 am-11:34 am

1 stop4h 34m

Washington, D.C. Dulles Intl

Sun 11/8

6:00 am-10:42 am

1 stop5h 42m

$477

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 18 resultsSorted by cheapest first
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 August.
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 22% of weekly flights between Des Moines and Washington, D.C. have experienced delays in the past year, with the average delay time being 77 minutes.

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

Historically, flights departing in the early afternoon 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?

Tuesday 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.

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 August 3, 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
7.8
Good
8,483 reviews

Crew

8.5

Overall

7.8

Comfort

7.8

Food

7.2

Boarding

8.1

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.8
Good
8,483 reviews
Delta
7.8
Good
8,483 reviews

Crew

8.5

Overall

7.8

Comfort

7.8

Food

7.2

Boarding

8.1

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
United Airlines
7.4
Good
10,058 reviews
Delta
7.8
Good
8,483 reviews

Crew

8.5

Overall

7.8

Comfort

7.8

Food

7.2

Boarding

8.1

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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 6h 57m. The distance from Des Moines to Washington, D.C. Dulles Intl Airport is about 871 mi.

  • 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.

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
Owings Mills
Arlington
Tysons
Springfield
Lanham
Reston
Herndon
Rockville
Chantilly
Hyattsville
Fredericksburg
Falls Church
Hanover
Laurel
Sterling
Clinton
Oxon Hill
Hunt Valley
Woodbridge

Browse thousands of different options on Cheapflights for your next trip

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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 August 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$174Average$396FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$386Average$446FlexibilityNo cancel feeOn-time69%

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