What is the cheapest airline that flies from Des Moines to Washington, D.C. Dulles Intl?

Frontier, Southwest, and United Airlines are the most popular carriers operating from Des Moines to Washington, D.C. Dulles Intl

When did momondo last update prices for flights from Des Moines Airport to Washington, D.C. Dulles Intl Airport?

Prices for flights from Des Moines Airport to Washington, D.C. Dulles Intl Airport were last updated today.

How many operators does momondo search for flights from Des Moines Airport to Washington, D.C. Dulles Intl Airport?

The number of operators available for flights from Des Moines Airport to Washington, D.C. Dulles Intl Airport is 2 as of September 2025.

How old do you have to be to fly from Des Moines Airport to Washington, D.C. Dulles Intl Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Des Moines Airport to Washington, D.C. Dulles Intl Airport.

What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

The necessary travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$146 Cheap Flights from Des Moines to Washington, D.C. Dulles Intl Airport in 2025/26

Q: What is the typical price of a round-trip flight between Des Moines and Washington, D.C. Dulles Intl Airport?

Prices are currently low for flights on this route. Typical prices usually range from $334 to $471. The lowest price recently found on this route was $297.

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Find the cheapest flights from Des Moines to Washington, D.C.

Round-trip

One-way

Last minute

Cheap round-trip flights

6:50 pm - 8:22 pmDSM-IAD

24h 32m2 stops

9:52 pm - 8:30 amIAD-DSM

11h 38m1 stop

$297Multiple Airlines

Find Deal

Sat, Oct 25 - Thu, Nov 6

6:50 pm - 7:17 pmDSM-IAD

23h 27m1 stop

9:52 pm - 8:30 amIAD-DSM

11h 38m1 stop

$360Multiple Airlines

Find Deal

Sat, Oct 25 - Thu, Nov 6

5:56 pm - 11:00 pmDSM-IAD

4h 04m1 stop

6:05 am - 9:19 amIAD-DSM

4h 14m1 stop

$373Delta

Find Deal

Tue, Oct 14 - Sat, Oct 18

6:35 am - 7:00 pmDSM-IAD

11h 25m1 stop

7:40 am - 7:55 pmIAD-DSM

13h 15m1 stop

$389Southwest

Find Deal

Fri, Oct 24 - Tue, Nov 4

8:20 am - 10:10 pmDSM-IAD

12h 50m1 stop

1:50 pm - 9:00 pmIAD-DSM

8h 10m1 stop

$392Southwest

Find Deal

Mon, Nov 17 - Fri, Nov 21

3:30 pm - 11:39 pmDSM-IAD

7h 09m1 stop

6:05 am - 9:20 amIAD-DSM

4h 15m1 stop

$397Delta

Find Deal

Fri, Oct 31 - Fri, Nov 7

8:02 am - 3:55 pmDSM-IAD

6h 53m1 stop

6:30 am - 12:14 pmIAD-DSM

6h 44m1 stop

$416United Airlines

Find Deal

Thu, Nov 27 - Mon, Dec 1

11:15 am - 6:54 pmDSM-IAD

6h 39m1 stop

10:25 am - 5:02 pmIAD-DSM

7h 37m1 stop

$418American Airlines

Find Deal

Tue, Oct 7 - Wed, Oct 15

6:00 am - 6:54 pmDSM-IAD

11h 54m2 stops

10:25 am - 5:02 pmIAD-DSM

7h 37m1 stop

$422American Airlines

Find Deal

Tue, Oct 7 - Wed, Oct 15

11:26 am - 5:30 pmDSM-IAD

5h 04m1 stop

9:57 am - 4:13 pmIAD-DSM

7h 16m1 stop

$429United Airlines

Find Deal

Wed, Nov 5 - Sat, Nov 8

Delta flights from Des Moines to Washington, D.C. Dulles Intl Airport

Our best Delta deals on Des Moines to Washington, D.C. Dulles Intl Airport flight tickets

Delta

Oct 14

DSM5:56 pmDes Moines

4h 04m

1 stop

IAD11:00 pmWashington, D.C. Dulles Intl

Oct 18

IAD6:05 amWashington, D.C. Dulles Intl

4h 14m

1 stop

DSM9:19 amDes Moines

$373

Find similar

Delta

Oct 31

DSM3:30 pmDes Moines

7h 09m

1 stop

IAD11:39 pmWashington, D.C. Dulles Intl

Nov 7

IAD6:05 amWashington, D.C. Dulles Intl

4h 15m

1 stop

DSM9:20 amDes Moines

$397

Find similar

Delta

Nov 13

DSM2:17 pmDes Moines

6h 15m

1 stop

IAD9:32 pmWashington, D.C. Dulles Intl

Nov 16

IAD6:00 amWashington, D.C. Dulles Intl

4h 41m

1 stop

DSM9:41 amDes Moines

$421

Find similar

United Airlines flights from Des Moines to Washington, D.C. Dulles Intl Airport

Our best United Airlines deals on Des Moines to Washington, D.C. Dulles Intl Airport flight tickets

United Airlines

Nov 27

DSM8:02 amDes Moines

6h 53m

1 stop

IAD3:55 pmWashington, D.C. Dulles Intl

Dec 1

IAD6:30 amWashington, D.C. Dulles Intl

6h 44m

1 stop

DSM12:14 pmDes Moines

$416

Find similar

United Airlines

Nov 5

DSM11:26 amDes Moines

5h 04m

1 stop

IAD5:30 pmWashington, D.C. Dulles Intl

Nov 8

IAD9:57 amWashington, D.C. Dulles Intl

7h 16m

1 stop

DSM4:13 pmDes Moines

$429

Find similar

United Airlines

Nov 5

DSM11:26 amDes Moines

5h 04m

1 stop

IAD5:30 pmWashington, D.C. Dulles Intl

Nov 8

IAD8:30 amWashington, D.C. Dulles Intl

4h 44m

1 stop

DSM12:14 pmDes Moines

$443

Find similar

momondo 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

Sat 10/25

6:50 pm-8:22 pm

2 stops24h 32m

Washington, D.C. Dulles Intl

Thu 11/6

9:52 pm-8:30 am

1 stop11h 38m

$297

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Sat 10/25

6:50 pm-7:17 pm

1 stop23h 27m

Washington, D.C. Dulles Intl

Thu 11/6

9:52 pm-8:30 am

1 stop11h 38m

$360

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Tue 10/14

5:56 pm-11:00 pm

1 stop4h 04m

Washington, D.C. Dulles Intl

Sat 10/18

6:05 am-9:19 am

1 stop4h 14m

$373

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Fri 10/24

6:35 am-7:00 pm

1 stop11h 25m

Washington, D.C. Dulles Intl

Tue 11/4

7:40 am-7:55 pm

1 stop13h 15m

$389

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Mon 11/17

8:20 am-10:10 pm

1 stop12h 50m

Washington, D.C. Dulles Intl

Fri 11/21

1:50 pm-9:00 pm

1 stop8h 10m

$392

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Fri 10/31

3:30 pm-11:39 pm

1 stop7h 09m

Washington, D.C. Dulles Intl

Fri 11/7

6:05 am-9:20 am

1 stop4h 15m

$397

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Thu 11/27

8:02 am-3:55 pm

1 stop6h 53m

Washington, D.C. Dulles Intl

Mon 12/1

6:30 am-12:14 pm

1 stop6h 44m

$416

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Tue 10/7

11:15 am-6:54 pm

1 stop6h 39m

Washington, D.C. Dulles Intl

Wed 10/15

10:25 am-5:02 pm

1 stop7h 37m

$418

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Tue 10/7

6:00 am-6:54 pm

2 stops11h 54m

Washington, D.C. Dulles Intl

Wed 10/15

10:25 am-5:02 pm

1 stop7h 37m

$422

Des MoinesWashington, D.C.

DSM - IAD

DSMIAD

Des Moines

Wed 11/5

11:26 am-5:30 pm

1 stop5h 04m

Washington, D.C. Dulles Intl

Sat 11/8

9:57 am-4:13 pm

1 stop7h 16m

$429

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Des Moines to Washington, D.C. Dulles Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the typical price of a round-trip flight between Des Moines and Washington, D.C. Dulles Intl Airport?

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

In general, December is the cheapest month to fly from Des Moines to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $341. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of December, then flying in July is also cheap. Prices for this month can be found on momondo for an average of $369.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Saturday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $348. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Des Moines to Washington, D.C. Dulles Intl Airport for around $643.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from Des Moines at noon is the least expensive time of day to depart. momondo users have found prices as low as $380 when looking at flights departing at noon. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $491 on average. Flights to Washington, D.C. Dulles Intl Airport from Des Moines in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from Des Moines to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Des Moines to Washington, D.C. Dulles Intl Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Des Moines to Washington, D.C. Dulles Intl Airport (DSM to IAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Des Moines to Washington, D.C. Dulles Intl Airport

Direct flights	None

There are no direct flights from Des Moines to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from Des Moines to Washington, D.C. Dulles Intl Airport.

Search flight deals

How far is Des Moines to Washington, D.C. Dulles Intl by plane?
Des Moines and Washington, D.C. Dulles Intl are 870.2 mi apart from one another. A reasonable flight in good conditions will take 4h 04m.
When did momondo last update prices for flights from Des Moines Airport to Washington, D.C. Dulles Intl Airport?
Prices for flights from Des Moines Airport to Washington, D.C. Dulles Intl Airport were last updated today.
How many operators does momondo search for flights from Des Moines Airport to Washington, D.C. Dulles Intl Airport?
The number of operators available for flights from Des Moines Airport to Washington, D.C. Dulles Intl Airport is 2 as of September 2025.
How old do you have to be to fly from Des Moines Airport to Washington, D.C. Dulles Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Des Moines Airport to Washington, D.C. Dulles Intl Airport.
What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?
The necessary travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Des Moines to Washington, D.C. Dulles Intl Airport?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Des Moines to Washington, D.C. Dulles Intl Airport is Delta (70% of total bookings). The next most popular airline is United Airlines (30%).

Best airlines flying from Des Moines to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Des Moines to Washington, D.C. Dulles Intl Airport with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $198	Free Cancellation	Rating 7.9 7,957 reviews		Search Delta flights
United Airlines	PriceFrom $329	Free Cancellation	Rating 7.4 8,924 reviews		Search United Airlines flights

Alexandria

Gettysburg

National Harbor

Arlington

Winchester

Woodbridge

Waldorf

Tysons

Laurel

Colonial Beach

Silver Spring

Fredericksburg

Harpers Ferry

Towson

Rockville

Manassas

Reston

Fairfax

Glen Burnie

Gaithersburg

Why use momondo?

Why should I use momondo to find a flight deal from Des Moines to Washington, D.C.?

It is quick and easy to find Des Moines to Washington, D.C. flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington, D.C. that suits you.

Can I find flights from Des Moines to Washington, D.C. with flexible booking policies on momondo?

Yes. All flights to Washington, D.C. from Des Moines on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Des Moines to Washington, D.C.?

Once you have performed a search for Des Moines to Washington, D.C. flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Des Moines to Washington, D.C. right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Des Moines to Washington, D.C. now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington, D.C. and let you know when they change.

An easier way to manage your Washington, D.C. Dulles Intl Airport trip

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Washington, D.C. Dulles Intl Airport flight routes

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Cheap flights from Des Moines to Washington, D.C. from $146

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Des Moines to Washington, D.C. departing on 10/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Big names and deals

Filter for what you want

Filter for what you want

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Find the cheapest flights from Des Moines to Washington, D.C.

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Delta flights from Des Moines to Washington, D.C. Dulles Intl Airport

Our best Delta deals on Des Moines to Washington, D.C. Dulles Intl Airport flight tickets

United Airlines flights from Des Moines to Washington, D.C. Dulles Intl Airport

Our best United Airlines deals on Des Moines to Washington, D.C. Dulles Intl Airport flight tickets

momondo 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.

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Des Moines to Washington, D.C. Dulles Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Des Moines and Washington, D.C. Dulles Intl Airport?

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

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

What is the cheapest airline that flies from Des Moines to Washington, D.C. Dulles Intl?

Frontier, Southwest, and United Airlines are the most popular carriers operating from Des Moines to Washington, D.C. Dulles Intl

When to book flights from Des Moines to Washington, D.C. Dulles Intl Airport

Cheap Des Moines to Washington, D.C. Dulles Intl Airport (DSM to IAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Des Moines to Washington, D.C. Dulles Intl Airport

Direct flights

How far is Des Moines to Washington, D.C. Dulles Intl by plane?

When did momondo last update prices for flights from Des Moines Airport to Washington, D.C. Dulles Intl Airport?

How many operators does momondo search for flights from Des Moines Airport to Washington, D.C. Dulles Intl Airport?

How old do you have to be to fly from Des Moines Airport to Washington, D.C. Dulles Intl Airport?

What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

What is the most popular airline from Des Moines to Washington, D.C. Dulles Intl Airport?

Best airlines flying from Des Moines to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Des Moines to Washington, D.C. Dulles Intl Airport with momondo

Traveling to a place near Washington, D.C.?

Why use momondo?

Why should I use momondo to find a flight deal from Des Moines to Washington, D.C.?

Can I find flights from Des Moines to Washington, D.C. with flexible booking policies on momondo?

How can momondo help me find flights from Des Moines to Washington, D.C.?

I’m not ready to book a flight from Des Moines to Washington, D.C. right now. Can momondo alert me if prices change?

An easier way to manage your Washington, D.C. Dulles Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Washington, D.C.

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo