RM462 Cheap Flights from Des Moines (DSM) to Washington (IAD)

View RM462 flight on Wed, 22 Oct 2025Opens in a new window

Popular airlines from Des Moines International Airport (DSM) to Washington Dulles Intl. Airport (IAD)

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Cheap Flights from Des Moines to Washington (DSM-IAD)

Prices were available within the past 7 days and start at RM462 for one-way flights and RM923 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, 21 Oct - Sat, 25 Oct
DSM
Des Moines
IAD
Washington
RM923 Return, found 2 days ago
RM923
Return
found 2 days ago
Select Delta flight, departing Tue, 21 Oct from Des Moines to Washington, returning Sat, 25 Oct, priced at RM923 found 2 days ago
Delta
Mon, 27 Oct - Wed, 29 Oct
DSM
Des Moines
IAD
Washington
RM961 Return, found 2 days ago
RM961
Return
found 2 days ago
Select Delta flight, departing Mon, 27 Oct from Des Moines to Washington, returning Wed, 29 Oct, priced at RM961 found 2 days ago
Delta
Mon, 20 Oct - Thu, 23 Oct
DSM
Des Moines
IAD
Washington
RM999 Return, found 2 days ago
RM999
Return
found 2 days ago
Select Delta flight, departing Mon, 20 Oct from Des Moines to Washington, returning Thu, 23 Oct, priced at RM999 found 2 days ago
United
Wed, 22 Oct - Sat, 25 Oct
DSM
Des Moines
IAD
Washington
RM1,072 Return, found 2 days ago
RM1,072
Return
found 2 days ago
Select United flight, departing Wed, 22 Oct from Des Moines to Washington, returning Sat, 25 Oct, priced at RM1,072 found 2 days ago
United
Wed, 22 Oct - Sat, 25 Oct
DSM
Des Moines
IAD
Washington
RM1,219 Return, found 2 days ago
RM1,219
Return
found 2 days ago
Select United flight, departing Wed, 22 Oct from Des Moines to Washington, returning Sat, 25 Oct, priced at RM1,219 found 2 days ago
United
Wed, 22 Oct - Sat, 25 Oct
DSM
Des Moines
IAD
Washington
RM1,220 Return, found 2 days ago
RM1,220
Return
found 2 days ago
Select United flight, departing Wed, 22 Oct from Des Moines to Washington, returning Sat, 25 Oct, priced at RM1,220 found 2 days ago
United
Thu, 23 Oct - Wed, 29 Oct
DSM
Des Moines
IAD
Washington
RM1,256 Return, found 2 days ago
RM1,256
Return
found 2 days ago
Select United flight, departing Thu, 23 Oct from Des Moines to Washington, returning Wed, 29 Oct, priced at RM1,256 found 2 days ago
United
Mon, 27 Oct - Thu, 30 Oct
DSM
Des Moines
IAD
Washington
RM1,294 Return, found 2 days ago
RM1,294
Return
found 2 days ago
Select United flight, departing Mon, 27 Oct from Des Moines to Washington, returning Thu, 30 Oct, priced at RM1,294 found 2 days ago
United
Wed, 22 Oct - Sat, 25 Oct
DSM
Des Moines
IAD
Washington
RM1,341 Return, found 2 days ago
RM1,341
Return
found 2 days ago
Select United flight, departing Wed, 22 Oct from Des Moines to Washington, returning Sat, 25 Oct, priced at RM1,341 found 2 days ago
American Airlines
Wed, 22 Oct - Sat, 25 Oct
DSM
Des Moines
IAD
Washington
RM1,607 Return, found 2 days ago
RM1,607
Return
found 2 days ago
Select American Airlines flight, departing Wed, 22 Oct from Des Moines to Washington, returning Sat, 25 Oct, priced at RM1,607 found 2 days ago

Find the cheapest month to fly from Des Moines (DSM) to Washington (IAD)

November is typically the cheapest month to fly

From RM 824 - RM 2,313 per traveller.
Des Moines to Washington route information
Origin airport
Des Moines Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
American Airlines, Delta, United
Return price
RM923
Distance
1394 km

Perfect flights from Des Moines to Washington

Your Journey from Des Moines to Washington

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Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including Delta, United, American Airlines. Our selection of flights from Des Moines Intl. to Washington Dulles Intl. caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

Maximizing Value with Des Moines to Washington Flights

Experience the joy of finding cheap flights from Des Moines Intl. to Washington Dulles Intl. that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from RM462 and roundtrip prices from RM923*.
 

Pre-Flight Essentials

Ensure a smooth journey from Des Moines to Washington with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant Washington

Picture yourself stepping off the plane in Washington and immersing yourself in the unique atmosphere of . From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your Des Moines to Washington Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from Des Moines to Washington.
 

Beyond the Flight – Exploring Washington

With Expedia, your adventure extends beyond the flight. Explore Washington at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from Des Moines to Washington with Confidence

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*Note: Prices may vary based on availability and are subject to change.

Frequently asked questions

How much is a flight from Des Moines Intl. Airport to Dulles Intl. Airport?
Start packing your suitcase, because round-trip journeys from DSM to Washington Dulles Intl. Airport (IAD) start from RM923. That's based on airfares available within the last 7 days on Expedia for flights departing within the next year. Prices can go up quickly, so book today to get the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from DSM to Dulles Intl. Airport?
Each air carrier has different terms and conditions. If you decide to cancel your trip, head to our Customer Service Portal.
How do I find cheap flights from DSM to IAD that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for DSM to Washington Dulles Intl. Airport (IAD) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Des Moines Intl. Airport (DSM) to IAD?
It's only 1,400 kilometres between DSM and IAD. It's quite possible that you'll spend more time getting to and from the airport than actually flying!
Which airlines fly direct from DSM to Washington Dulles Intl. Airport (IAD)?
Currently, no airlines offer direct flights from Des Moines Intl. Airport to Dulles Intl. Airport. You'll need to book a flight with at least one stop. To get the best connections and price, lock in your fare well in advance.
Are Des Moines Intl. Airport to IAD flight tickets cheaper when they're purchased at the last minute?
Last-minute bookings from Des Moines Intl. Airport (DSM) to Washington Dulles Intl. Airport (IAD) can be hit-or-miss. You may be able to score a great bargain, but then again, you could miss out entirely! If you'd prefer to start planning your trip early on, Expedia compares flight deals up to a year in advance. Just remember that not all airlines list their prices that far in advance. Our suggestion? Check back often as prices are updated frequently.

Explore a world of travel with Expedia

*Available to Expedia members.