Dulles Intl

$93+ Cheap flights from Iowa 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 8/6. Fares are subject to change and may not be available on all flights or dates of travel.
DSM — IAD
Jun 17 — Jun 241
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Cheap flight deals from Iowa to Dulles Intl

Keep the following information in mind while searching for Iowa to Dulles Intl flight deals. Data was last updated June 12, 2025.

Round-trip from

$249
(American Airlines)

One-way from

$93
(Mytrip)

Popular in

January

Cheapest in

May

Average price

$424
From Iowa to Washington, D.C. Dulles Intl
One-way flight from Iowa to Washington, D.C. Dulles Intl
Highest demand for flights based on searches. 1% potential increase in price ($6 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Average for round-trip flights in June 2025

Find flight deals from Iowa to Dulles Intl

Cheapest flights from Iowa to Dulles Intl
Explore the most affordable flight options available from Iowa to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/10. 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.
Thu 8/144:21 pmMLI - IAD
1 stop6h 38mAmerican Airlines
Mon 8/187:25 pmIAD - MLI
1 stop4h 36mAmerican Airlines
Deal found 6/10$249
This Delta deal was found by Cheapflights users on 6/10. 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.
Wed 8/65:26 pmMLI - IAD
1 stop4h 50mDelta
Tue 8/125:25 pmIAD - MLI
1 stop6h 23mDelta
Deal found 6/10$251
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/175:20 pmMLI - IAD
1 stop6h 10mUnited Airlines
Sun 7/206:35 amIAD - MLI
1 stop4h 47mUnited Airlines
Deal found 6/10$267
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/23:48 pmCID - IAD
1 stop18h 20mAllegiant Air
Sun 7/611:58 amIAD - CID
1 stop26h 08mAllegiant Air
Deal found 6/10$281
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/116:52 pmCID - IAD
2 stops25h 01mMultiple Airlines
Sun 7/1311:58 amIAD - CID
1 stop26h 08mMultiple Airlines
Deal found 6/11$283
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/24:13 pmOMA - IAD
1 stop16h 42mAllegiant Air
Mon 8/43:13 pmIAD - OMA
2 stops17h 48mAllegiant Air
Deal found 6/11$285
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Wed 10/13:47 pmOMA - IAD
1 stop6h 02mAmerican Airlines
Sat 10/116:05 pmIAD - OMA
1 stop5h 02mAmerican Airlines
Deal found 6/12$286
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/191:13 pmDSM - IAD
1 stop6h 40mMultiple Airlines
Thu 7/241:05 pmIAD - DSM
3 stops10h 33mMultiple Airlines
Deal found 6/10$296
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/2510:31 amDSM - IAD
1 stop23h 31mAllegiant Air
Thu 6/269:10 pmIAD - DSM
2 stops22h 01mAllegiant Air
Deal found 6/11$306
This Delta deal was found by Cheapflights users on 6/11. 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.
Wed 8/2011:23 amDSM - IAD
1 stop6h 26mDelta
Sun 8/246:15 amIAD - DSM
1 stop5h 03mDelta
Deal found 6/11$309
This Southwest deal was found by Cheapflights users on 6/11. 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.
Sun 8/174:15 pmDSM - IAD
1 stop7h 40mSouthwest
Fri 8/227:35 amIAD - DSM
1 stop6h 25mSouthwest
Deal found 6/11$314
This United Airlines deal was found by Cheapflights users on 6/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/86:38 pmOMA - IAD
1 stop4h 52mUnited Airlines
Wed 7/165:13 pmIAD - OMA
1 stop5h 39mUnited Airlines
Deal found 6/9$337

Cheapflights Fare Finder

Customize your flight search to find flights from Iowa 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 June 12, 2025.
Use the filters below to find and compare flights from Iowa to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Iowa

Fly to

Dulles Intl

Route

Depart

Return

Price

MolineWashington, D.C.

MLI - IAD

MLIIAD

Moline Quad-City

Thu 8/14

4:21 pm-11:59 pm

1 stop6h 38m

Washington, D.C. Dulles Intl

Mon 8/18

7:25 pm-11:01 pm

1 stop4h 36m

$249

MolineWashington, D.C.

MLI - IAD

MLIIAD

Moline Quad-City

Wed 8/6

5:26 pm-11:16 pm

1 stop4h 50m

Washington, D.C. Dulles Intl

Tue 8/12

5:25 pm-10:48 pm

1 stop6h 23m

$251

MolineWashington, D.C.

MLI - IAD

MLIIAD

Moline Quad-City

Thu 7/17

5:20 pm-12:30 am

1 stop6h 10m

Washington, D.C. Dulles Intl

Sun 7/20

6:35 am-10:22 am

1 stop4h 47m

$267

Cedar RapidsWashington, D.C.

CID - IAD

CIDIAD

Cedar Rapids

Wed 7/2

3:48 pm-11:08 am

1 stop18h 20m

Washington, D.C. Dulles Intl

Sun 7/6

11:58 am-1:06 pm

1 stop26h 08m

$281

Cedar RapidsWashington, D.C.

CID - IAD

CIDIAD

Cedar Rapids

Fri 7/11

6:52 pm-8:53 pm

2 stops25h 01m

Washington, D.C. Dulles Intl

Sun 7/13

11:58 am-1:06 pm

1 stop26h 08m

$283

OmahaWashington, D.C.

OMA - IAD

OMAIAD

Omaha Eppley Airfield

Sat 8/2

4:13 pm-9:55 am

1 stop16h 42m

Washington, D.C. Dulles Intl

Mon 8/4

3:13 pm-8:01 am

2 stops17h 48m

$285

OmahaWashington, D.C.

OMA - IAD

OMAIAD

Omaha Eppley Airfield

Wed 10/1

3:47 pm-10:49 pm

1 stop6h 02m

Washington, D.C. Dulles Intl

Sat 10/11

6:05 pm-10:07 pm

1 stop5h 02m

$286

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Sat 7/19

1:13 pm-8:53 pm

1 stop6h 40m

Washington, D.C. Dulles Intl

Thu 7/24

1:05 pm-10:38 pm

3 stops10h 33m

$296

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Wed 6/25

10:31 am-11:02 am

1 stop23h 31m

Washington, D.C. Dulles Intl

Thu 6/26

9:10 pm-6:11 pm

2 stops22h 01m

$306

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Wed 8/20

11:23 am-6:49 pm

1 stop6h 26m

Washington, D.C. Dulles Intl

Sun 8/24

6:15 am-10:18 am

1 stop5h 03m

$309

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 50 results
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Best time to book a flight from Iowa to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Iowa 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 Iowa to Washington, D.C. Dulles Intl Airport

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

Currently, August is the cheapest month in which you can book a flight from Iowa to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Iowa to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $349). 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 IA to IAD?

Find hourly flight availability from Iowa 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 June 12, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Iowa to Washington, D.C. Dulles Intl Airport as you normally would.

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 June 12, 2025.
See what other customers who have flown with Alaska Airlines, Southwest and Delta from Iowa to Washington, D.C. have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
8.0
Very good

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Iowa 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 are the cheapest airlines to fly from Iowa to Washington, D.C. Dulles Intl Airport one-way?

    The cheapest airlines for a one-way flight from Iowa to Washington, D.C. Dulles Intl Airport are Allegiant Air ($93), Delta ($109), and United Airlines ($126).

  • What are the most popular routes from Iowa to Washington, D.C. Dulles Intl Airport?

  • Can I find deals for flights from Iowa to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Iowa to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Iowa to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Iowa to Dulles Intl.

  • Can I find deals for business class flights from Iowa to Dulles Intl?

    Yes. Cheapflights offers flight deals from Iowa 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 Iowa to Washington, D.C. Dulles Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Iowa to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Iowa to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $349). 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 Iowa?

Book flights to Iowa if you plan to visit one of these locations
Arlington
Alexandria
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Linthicum Heights
Fredericksburg
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Alternative routes for Iowa to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Iowa to Dulles Intl

Discover the top 3 airlines that operate flights from Iowa 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$262Average$476FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$262Average$463FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$310Average$465FlexibilityNo cancel feeOn-time69%

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