Dulles Intl

$98+ 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 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
DSM — IAD
Feb 26 — Mar 51
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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 February 21, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$331
(United Airlines)

One-way from

$98
(Mytrip)

Popular in

June

Cheapest in

December

Average price

$415
Provider with most accurate pricing for Des Moines-Washington, D.C. Dulles Intl flight deals.
Provider most trusted by Cheapflights users for Des Moines-Washington, D.C. Dulles Intl flights.
From Des Moines to Washington, D.C. Dulles Intl
One-way flight from Des Moines to Washington, D.C. Dulles Intl
Highest demand for flights based on searches. 15% potential increase in price ($86 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
Average for round-trip flights in February 2025

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 February 21, 2025.

This United Airlines deal was found by Cheapflights users on 2/20. 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.
Thu 4/311:38 amDSM - IAD
1 stop6h 39mUnited Airlines
Mon 4/73:30 pmIAD - DSM
1 stop7h 22mUnited Airlines
Deal found 2/20$331
This Delta deal was found by Cheapflights users on 2/20. 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 4/36:35 pmDSM - IAD
1 stop4h 53mDelta
Mon 4/75:22 pmIAD - DSM
1 stop4h 24mDelta
Deal found 2/20$336
This Booking.com deal was found by Cheapflights users on 2/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/146:57 pmDSM - IAD
1 stop20h 57mFrontier
Mon 3/176:03 pmIAD - DSM
1 stop25h 45mFrontier
Deal found 2/20$350
This Mytrip deal was found by Cheapflights users on 2/20. 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 3/278:00 amDSM - IAD
1 stop26h 07mAllegiant Air
Mon 3/3111:57 amIAD - DSM
2 stops12h 18mAllegiant Air
Deal found 2/20$381
This American Airlines deal was found by Cheapflights users on 2/20. 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 4/295:43 amDSM - IAD
2 stops12h 58mAmerican Airlines
Tue 5/68:02 pmIAD - DSM
1 stop4h 56mAmerican Airlines
Deal found 2/20$390
This Mytrip deal was found by Cheapflights users on 2/20. 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 3/207:32 pmDSM - IAD
1 stop14h 35mMultiple Airlines
Mon 3/2412:55 pmIAD - DSM
3 stops34h 49mMultiple Airlines
Deal found 2/20$406

Find flights from Des Moines to Dulles Intl within your budget

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 21, 2025.

Fly from

Des Moines

Fly to

Dulles Intl

Route

Depart

Return

Price

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Thu 4/3

11:38 am-7:17 pm

1 stop6h 39m

Washington, D.C. Dulles Intl

Mon 4/7

3:30 pm-9:52 pm

1 stop7h 22m

$331

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Thu 4/3

6:35 pm-12:28 am

1 stop4h 53m

Washington, D.C. Dulles Intl

Mon 4/7

5:22 pm-8:46 pm

1 stop4h 24m

$336

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Fri 3/14

6:57 pm-4:54 pm

1 stop20h 57m

Washington, D.C. Dulles Intl

Mon 3/17

6:03 pm-6:48 pm

1 stop25h 45m

$350

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Thu 3/27

8:00 am-11:07 am

1 stop26h 07m

Washington, D.C. Dulles Intl

Mon 3/31

11:57 am-11:15 pm

2 stops12h 18m

$381

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Tue 4/29

5:43 am-7:41 pm

2 stops12h 58m

Washington, D.C. Dulles Intl

Tue 5/6

8:02 pm-11:58 pm

1 stop4h 56m

$390

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Thu 3/20

7:32 pm-11:07 am

1 stop14h 35m

Washington, D.C. Dulles Intl

Mon 3/24

12:55 pm-10:44 pm

3 stops34h 49m

$406

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Sun 5/4

6:51 pm-5:41 pm

1 stop21h 50m

$98

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Wed 3/19

6:30 pm-12:31 am

1 stop5h 01m

$132

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Sat 3/8

3:34 pm-9:13 pm

1 stop4h 39m

$137

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Sun 5/4

3:59 pm-8:42 pm

3 stops27h 43m

$166

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 11 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 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.

Travel insights for flights from Des Moines to Dulles Intl

Get recent, data-driven insights about flights from Des Moines to Dulles Intl including ideal travel times, pricing trends, and more.

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

Currently, August is the cheapest month in which you can book a flight from Des Moines to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Des Moines to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $389). 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 February 21, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 23% on flights from Des Moines to Washington, D.C. Dulles Intl Airport by exploring options for tickets at noon.

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

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.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

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).

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 21, 2025.
Read reviews from past customers who have flown Delta, United Airlines and Allegiant Air from Des Moines to Washington, D.C.. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

8.0
Very good
8.0
Very good

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

8.0
Very good

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

8.0
Very good

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

8.0
Very good

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

8.0
Very good

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 3 airlines. Des Moines is conveniently located just 3.6 mi from Des Moines’s city center.

  • 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 $331. Other airlines that can offer you cheap pricing are Delta, from $336, and Frontier, from $350. United Airlines is priced at 31% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Des Moines to Washington, D.C. Dulles Intl Airport one-way?

    The cheapest airlines for a one-way flight from Des Moines to Washington, D.C. Dulles Intl Airport are Allegiant Air ($98), Delta ($132), and United Airlines ($137).

  • 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, August is the cheapest month in which you can book a flight from Des Moines to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Des Moines to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $389). 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 Des Moines?

Book flights to Des Moines if you plan to visit one of these locations
Arlington
Alexandria
Fairfax
Springfield
Rockville
Tysons
Gaithersburg
Silver Spring
Fredericksburg
Linthicum Heights
Laurel
Falls Church
Woodbridge
Sterling
Easton
Herndon
Bowie
Reston
National Harbor
Oxon Hill

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Top 3 airlines flying from Des Moines to Dulles Intl

Discover the top 3 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 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$276Average$489FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$310Average$512FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$313Average$428FlexibilityNo cancel feeOn-time71%
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