฿3,945 Cheap Flights from Des Moines (DSM) to Washington (IAD)

View ฿3,945 flight on Sat, 20 Sep 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at ฿3,945 for one-way flights and ฿7,880 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, 20 Sep - Sat, 27 Sep
DSM
Des Moines
IAD
Washington
฿7,880 Return, found 4 days ago
฿7,880
Return
found 4 days ago
Select Delta flight, departing Sat, 20 Sep from Des Moines to Washington, returning Sat, 27 Sep, priced at ฿7,880 found 4 days ago
Delta
Sat, 20 Sep - Sat, 27 Sep
DSM
Des Moines
IAD
Washington
฿8,540 Return, found 4 days ago
฿8,540
Return
found 4 days ago
Select Delta flight, departing Sat, 20 Sep from Des Moines to Washington, returning Sat, 27 Sep, priced at ฿8,540 found 4 days ago
United
Sat, 20 Sep - Sat, 27 Sep
DSM
Des Moines
IAD
Washington
฿9,040 Return, found 4 days ago
฿9,040
Return
found 4 days ago
Select United flight, departing Sat, 20 Sep from Des Moines to Washington, returning Sat, 27 Sep, priced at ฿9,040 found 4 days ago
Delta
Sat, 20 Sep - Sat, 27 Sep
DSM
Des Moines
IAD
Washington
฿9,240 Return, found 4 days ago
฿9,240
Return
found 4 days ago
Select Delta flight, departing Sat, 20 Sep from Des Moines to Washington, returning Sat, 27 Sep, priced at ฿9,240 found 4 days ago
United
Sat, 20 Sep - Sat, 27 Sep
DSM
Des Moines
IAD
Washington
฿9,635 Return, found 4 days ago
฿9,635
Return
found 4 days ago
Select United flight, departing Sat, 20 Sep from Des Moines to Washington, returning Sat, 27 Sep, priced at ฿9,635 found 4 days ago
Delta
Sat, 20 Sep - Sat, 27 Sep
DSM
Des Moines
IAD
Washington
฿9,695 Return, found 4 days ago
฿9,695
Return
found 4 days ago
Select Delta flight, departing Sat, 20 Sep from Des Moines to Washington, returning Sat, 27 Sep, priced at ฿9,695 found 4 days ago
United
Sat, 20 Sep - Sat, 27 Sep
DSM
Des Moines
IAD
Washington
฿10,185 Return, found 4 days ago
฿10,185
Return
found 4 days ago
Select United flight, departing Sat, 20 Sep from Des Moines to Washington, returning Sat, 27 Sep, priced at ฿10,185 found 4 days ago
United
Sat, 20 Sep - Sat, 27 Sep
DSM
Des Moines
IAD
Washington
฿10,190 Return, found 4 days ago
฿10,190
Return
found 4 days ago
Select United flight, departing Sat, 20 Sep from Des Moines to Washington, returning Sat, 27 Sep, priced at ฿10,190 found 4 days ago
United
Sat, 20 Sep - Sat, 27 Sep
DSM
Des Moines
IAD
Washington
฿10,195 Return, found 4 days ago
฿10,195
Return
found 4 days ago
Select United flight, departing Sat, 20 Sep from Des Moines to Washington, returning Sat, 27 Sep, priced at ฿10,195 found 4 days ago
Delta
Sat, 20 Sep - Sat, 27 Sep
DSM
Des Moines
IAD
Washington
฿10,290 Return, found 4 days ago
฿10,290
Return
found 4 days ago
Select Delta flight, departing Sat, 20 Sep from Des Moines to Washington, returning Sat, 27 Sep, priced at ฿10,290 found 4 days ago

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

November is typically the cheapest month to fly

From ฿6,340 - ฿17,792 per traveller.

Graph displaying average flight prices per month

Flight from Des Moines to Washington route information
Origin airport
Des Moines Intl.
Destination airport
Washington Dulles Intl.
Return price
฿7,880
Distance
1394 km

Perfect flights from Des Moines to Washington

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Des Moines to Washington. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Des Moines Intl. to Washington Dulles Intl. ticket options cater to your travel preferences, with incredible one-way fares from ฿3,945 and roundtrip prices from ฿7,880. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Washington Dulles Intl. and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in Washington.

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 ฿7,880. 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.

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