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 $241. Other airlines that can offer you cheap pricing are American Airlines, from $262, and United Airlines, from $329. Delta is priced at 43% lower than the current average price of a flight leaving 3 months from now.

What is the cheapest day to fly from Des Moines to Washington, D.C. Dulles Intl Airport?

Travelers seeking maximum savings on their Des Moines to Washington, D.C. Dulles Intl Airport flight should consider departing on Tuesday mornings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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.

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).

What are the most popular airlines that fly from Des Moines to Washington, D.C. Dulles Intl Airport?

Before booking your flight from Des Moines to Washington, D.C. Dulles Intl Airport check out the most popular airlines for this route: American Airlines, Delta or United Airlines.

What is the cheapest day to fly round-trip from Des Moines to Washington, D.C. Dulles Intl Airport?

Saturday flights are found to be more expensive to fly from Des Moines to Washington, D.C. Dulles Intl Airport. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Washington, D.C. Dulles Intl Airport.

How far in advance should I book a flight from Des Moines to Washington, D.C. Dulles Intl Airport?

Users have found that booking a flight from Des Moines to Washington, D.C. Dulles Intl Airport at least 47 days early can save you up to 5% on average compared to booking a flight this week. If booking 47 days before your flight isn’t an option for you, users have found flights from Des Moines to Washington, D.C. Dulles Intl Airport for as little as $249 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $414 for flights departing within the next 3 days.

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

The best pricing can be found in the month of September. Prices to Washington, D.C. Dulles Intl Airport from Des Moines average $395. You can even find prices in September for less than $395, as users have found deals to Washington, D.C. Dulles Intl Airport from as low as $150. The month of January appears to be one of the more expensive times to travel to Washington, D.C. Dulles Intl Airport from Des Moines. Flying in the targeted month can save you up to 18%.

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.

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.

$104+ Flights from Des Moines to Washington, D.C. Dulles Intl Airport

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Cheap flight deals from Des Moines to Dulles Intl

Round-trip from	$232 (Frontier)
One-way from	$104 (Southwest)
Popular in	August
Cheapest in	December
Average price	$502

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

High demand for flights, 1% potential price rise

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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).

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Average for round-trip flights in August 2025

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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 August 14, 2025.

Fri 9/52:25 pmDSM - IAD

2 stops20h 37mFrontier

Sun 9/710:09 pmIAD - DSM

2 stops16h 31mFrontier

Deal found 8/14

$232

Sat 9/66:10 amDSM - IAD

1 stop7h 50mSouthwest

Sat 9/137:00 amIAD - DSM

1 stop6h 25mSouthwest

Deal found 8/14

$236

Tue 12/98:20 amDSM - IAD

1 stop6h 25mSouthwest

Fri 12/121:50 pmIAD - DSM

1 stop8h 10mSouthwest

Deal found 8/12

$238

Tue 9/166:30 amDSM - IAD

1 stop6h 10mSouthwest

Thu 9/187:35 amIAD - DSM

1 stop6h 25mSouthwest

Deal found 8/11

$283

Sat 8/303:45 pmDSM - IAD

1 stop6h 05mSouthwest

Wed 9/32:25 pmIAD - DSM

1 stop8h 00mSouthwest

Deal found 8/12

$290

Wed 10/16:36 pmDSM - IAD

1 stop4h 45mUnited Airlines

Tue 10/76:30 amIAD - DSM

1 stop6h 49mUnited Airlines

Deal found 8/11

$299

Fri 10/38:55 amDSM - IAD

1 stop10h 14mMultiple Airlines

Sun 10/510:08 amIAD - DSM

1 stop11h 16mMultiple Airlines

Deal found 8/12

$305

Tue 9/236:30 amDSM - IAD

1 stop6h 10mSouthwest

Fri 9/267:35 amIAD - DSM

1 stop6h 25mSouthwest

Deal found 8/12

$313

Fri 8/224:29 pmDSM - IAD

1 stop19h 35mMultiple Airlines

Mon 8/2510:22 amIAD - DSM

2 stops13h 20mMultiple Airlines

Deal found 8/14

$316

Tue 11/48:20 amDSM - IAD

1 stop12h 50mSouthwest

Thu 11/61:50 pmIAD - DSM

1 stop8h 10mSouthwest

Deal found 8/12

$319

Thu 9/181:55 pmDSM - IAD

1 stop7h 55mSouthwest

Sat 9/207:00 amIAD - DSM

1 stop6h 25mSouthwest

Deal found 8/14

$327

Fri 9/196:25 pmDSM - IAD

1 stop5h 07mUnited Airlines

Sun 9/216:35 amIAD - DSM

1 stop5h 04mUnited Airlines

Deal found 8/11

$333

Best flights from Des Moines to Dulles Intl
Discover carefully curated flight deals from Des Moines to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2025.

Thu 9/112:25 pmDSM - IAD

2 stops17h 52mFrontier

Thu 9/188:59 pmIAD - DSM

2 stops17h 41mFrontier

Deal found 8/13

$232

Sat 9/66:10 amDSM - IAD

1 stop7h 50mSouthwest

Sat 9/137:00 amIAD - DSM

1 stop6h 25mSouthwest

Deal found 8/14

$236

Wed 10/16:36 pmDSM - IAD

1 stop4h 45mUnited Airlines

Tue 10/76:30 amIAD - DSM

1 stop6h 49mUnited Airlines

Deal found 8/11

$299

Fri 10/38:55 amDSM - IAD

1 stop10h 14mMultiple Airlines

Sun 10/510:08 amIAD - DSM

1 stop11h 16mMultiple Airlines

Deal found 8/12

$305

Fri 9/52:25 pmDSM - IAD

2 stops20h 37mFrontier

Sun 9/710:09 pmIAD - DSM

2 stops16h 31mFrontier

Deal found 8/14

$232

Tue 9/166:30 amDSM - IAD

1 stop6h 10mSouthwest

Thu 9/187:35 amIAD - DSM

1 stop6h 25mSouthwest

Deal found 8/11

$283

Fri 8/224:29 pmDSM - IAD

1 stop19h 35mMultiple Airlines

Mon 8/2510:22 amIAD - DSM

2 stops13h 20mMultiple Airlines

Deal found 8/14

$316

Sat 8/303:45 pmDSM - IAD

1 stop6h 05mSouthwest

Wed 9/32:25 pmIAD - DSM

1 stop8h 00mSouthwest

Deal found 8/12

$290

Fri 9/196:25 pmDSM - IAD

1 stop5h 07mUnited Airlines

Sun 9/216:35 amIAD - DSM

1 stop5h 04mUnited Airlines

Deal found 8/11

$333

Tue 9/236:30 amDSM - IAD

1 stop6h 10mSouthwest

Fri 9/267:35 amIAD - DSM

1 stop6h 25mSouthwest

Deal found 8/12

$313

Tue 11/48:20 amDSM - IAD

1 stop12h 50mSouthwest

Thu 11/61:50 pmIAD - DSM

1 stop8h 10mSouthwest

Deal found 8/12

$319

Thu 9/181:55 pmDSM - IAD

1 stop7h 55mSouthwest

Sat 9/207:00 amIAD - DSM

1 stop6h 25mSouthwest

Deal found 8/14

$327

Last-minute flights from Des Moines to Dulles Intl
Discover last-minute flight deals from Des Moines to Dulles Intl. Data last updated August 14, 2025 and is based on user searches.

Tue 8/196:30 amDSM - IAD

1 stop8h 45mSouthwest

Wed 8/205:45 amIAD - DSM

1 stop9h 55mSouthwest

Deal found 8/14

$468

Tue 8/198:00 amDSM - IAD

1 stop6h 52mUnited Airlines

Fri 8/225:44 pmIAD - DSM

2 stops17h 55mUnited Airlines

Deal found 8/11

$549

Wed 8/2010:58 amDSM - IAD

1 stop6h 12mDelta

Wed 8/276:15 amIAD - DSM

1 stop4h 52mDelta

Deal found 8/14

$463

Wed 8/208:00 amDSM - IAD

1 stop4h 49mUnited Airlines

Wed 8/278:21 amIAD - DSM

2 stops14h 24mUnited Airlines

Deal found 8/12

$544

Fri 8/224:29 pmDSM - IAD

1 stop19h 35mMultiple Airlines

Mon 8/2510:22 amIAD - DSM

2 stops13h 20mMultiple Airlines

Deal found 8/14

$316

Fri 8/226:15 pmDSM - IAD

2 stops16h 29mUnited Airlines

Sat 8/232:39 pmIAD - DSM

1 stop6h 50mUnited Airlines

Deal found 8/14

$346

Fri 8/226:00 amDSM - IAD

3 stops30h 04mMultiple Airlines

Sun 8/247:10 pmIAD - DSM

2 stops26h 31mMultiple Airlines

Deal found 8/12

$388

Fri 8/225:44 amDSM - IAD

1 stop5h 00mDelta

Sat 8/236:00 amIAD - DSM

1 stop4h 37mDelta

Deal found 8/14

$483

Fri 8/226:00 amDSM - IAD

1 stop4h 32mDelta

Sun 8/246:15 amIAD - DSM

1 stop5h 03mDelta

Deal found 8/14

$503

Sun 8/244:15 pmDSM - IAD

1 stop7h 40mSouthwest

Mon 8/257:35 amIAD - DSM

1 stop6h 25mSouthwest

Deal found 8/12

$514

Sat 8/303:45 pmDSM - IAD

1 stop6h 05mSouthwest

Wed 9/32:25 pmIAD - DSM

1 stop8h 00mSouthwest

Deal found 8/12

$290

Fri 9/52:25 pmDSM - IAD

2 stops20h 37mFrontier

Sun 9/710:09 pmIAD - DSM

2 stops16h 31mFrontier

Deal found 8/14

$232

One-way flights from Des Moines to Dulles Intl
Search for one-way flight options from Des Moines to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated August 14, 2025.

Tue 9/236:30 amDSM - IAD

1 stop6h 10mSouthwest

Deal found 8/14

$104

Thu 11/68:44 pmDSM - IAD

2 stops16h 31mFrontier

Deal found 8/14

$130

Sun 9/215:49 pmDSM - IAD

2 stops23h 35mMultiple Airlines

Deal found 8/14

$143

Thu 9/45:49 pmDSM - IAD

2 stops23h 30mMultiple Airlines

Deal found 8/12

$163

Mon 9/228:25 amDSM - IAD

2 stops34h 30mMultiple Airlines

Deal found 8/14

$170

Thu 9/115:49 pmDSM - IAD

2 stops23h 30mMultiple Airlines

Deal found 8/13

$182

Tue 10/77:25 amDSM - IAD

1 stop9h 30mSouthwest

Deal found 8/13

$186

Fri 9/262:25 pmDSM - IAD

2 stops20h 37mFrontier

Deal found 8/12

$200

Mon 9/88:25 amDSM - IAD

3 stops14h 50mMultiple Airlines

Deal found 8/14

$206

Cheapflights Fare Finder

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

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Thu 9/11

2:25 pm-9:17 am

2 stops17h 52m

Washington, D.C. Dulles Intl

Thu 9/18

8:59 pm-1:40 pm

2 stops17h 41m

$232

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Fri 9/5

2:25 pm-12:02 pm

2 stops20h 37m

Washington, D.C. Dulles Intl

Sun 9/7

10:09 pm-1:40 pm

2 stops16h 31m

$232

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Sat 9/6

6:10 am-3:00 pm

1 stop7h 50m

Washington, D.C. Dulles Intl

Sat 9/13

7:00 am-12:25 pm

1 stop6h 25m

$236

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Tue 9/16

6:30 am-1:40 pm

1 stop6h 10m

Washington, D.C. Dulles Intl

Thu 9/18

7:35 am-1:00 pm

1 stop6h 25m

$283

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Sat 8/30

3:45 pm-10:50 pm

1 stop6h 05m

Washington, D.C. Dulles Intl

Wed 9/3

2:25 pm-9:25 pm

1 stop8h 00m

$290

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Wed 10/1

6:36 pm-12:21 am

1 stop4h 45m

Washington, D.C. Dulles Intl

Tue 10/7

6:30 am-12:19 pm

1 stop6h 49m

$299

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Fri 10/3

8:55 am-8:09 pm

1 stop10h 14m

Washington, D.C. Dulles Intl

Sun 10/5

10:08 am-8:24 pm

1 stop11h 16m

$305

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Tue 9/23

6:30 am-1:40 pm

1 stop6h 10m

Washington, D.C. Dulles Intl

Fri 9/26

7:35 am-1:00 pm

1 stop6h 25m

$313

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Fri 8/22

4:29 pm-1:04 pm

1 stop19h 35m

Washington, D.C. Dulles Intl

Mon 8/25

10:22 am-10:42 pm

2 stops13h 20m

$316

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Tue 11/4

8:20 am-10:10 pm

1 stop12h 50m

Washington, D.C. Dulles Intl

Thu 11/6

1:50 pm-9:00 pm

1 stop8h 10m

$319

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Showing 1-10 of 22 results

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, July is the cheapest month in which you can book a flight from Des Moines to Washington, D.C. Dulles Intl Airport (average of $302). Flying from Des Moines to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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?

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.

Reviews of airlines servicing Dulles Intl

Read through reviews of airlines operating flights from Des Moines to Washington, D.C. Dulles Intl Airport, such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,980 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,980 reviews

Delta

8.0

Very good

7,980 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,916 reviews

Delta

8.0

Very good

7,980 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,980 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

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 $241. Other airlines that can offer you cheap pricing are American Airlines, from $262, and United Airlines, from $329. Delta is priced at 43% 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, July is the cheapest month in which you can book a flight from Des Moines to Washington, D.C. Dulles Intl Airport (average of $302). Flying from Des Moines to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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

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Top 3 airlines flying from Des Moines to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$241	Average$396	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$262	Average$457	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$329	Average$449	FlexibilityNo cancel fee	On-time69%

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$104+ 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 9/24. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Des Moines to Dulles Intl with Cheapflights

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Cheap flight deals from Des Moines to Dulles Intl

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Find flight deals from Des Moines to Dulles Intl

Cheapest flights from Des Moines to Dulles IntlExplore 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 14, 2025.

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 14, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Des Moines to Washington, D.C. Dulles Intl Airport that are best for you.

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.

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?

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 August 14, 2025.

Reviews of airlines servicing Dulles Intl

Read through reviews of airlines operating flights from Des Moines to Washington, D.C. Dulles Intl Airport, such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

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?

What are the cheapest airlines flying from Des Moines to Washington, D.C. Dulles Intl Airport round-trip?

Can I find deals for flights from Des Moines to Dulles Intl that include hotel bookings?

How can I find direct flights from Des Moines to Dulles Intl?

Can I find deals for business class flights from Des Moines to Dulles Intl?

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

Traveling to a place near Washington, D.C. Dulles Intl Airport?

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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.

Top 3 airlines flying from Des Moines to Dulles Intl

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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 14, 2025.