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

Travelers and cabin class

Compare Des Moines to Washington Dulles flight deals

Find the cheapest month or even day of the year to fly to Washington Dulles

Book the best Washington Dulles fare with no extra fees

Flight deals from Des Moines to Washington Dulles

Looking for a cheap last-minute deal or the best round-trip flight from Des Moines to Washington Dulles? Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Des Moines to Washington Dulles

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Des Moines to Washington Dulles flights are currently cheapest in April.

Des Moines to Washington Dulles: Alternative routes

Compare routes from Des Moines to Washington, D.C. below. You may find an airport to fly into that's cheaper, faster, or easier than Washington Dulles.

Des Moines to Washington, D.C.: Flight information

The things to know before you go.
Cheapest flight found$150
Cheapest month to flyApril

Finding cheap flights from Des Moines to Washington Dulles: Frequently asked questions

The best price we found for a round-trip flight from Des Moines to Washington Dulles is $208. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Des Moines to Washington Dulles. But we found flights with one or more stops from $208.
There are no flights flying from Des Moines to Washington Dulles, as of March 2025.
The cheapest month to fly from Des Moines to Washington Dulles is usually March 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Des Moines Airport to Washington Dulles Airport on Monday, May 12, 2025.
No airlines currently offer direct flights between Des Moines Airport and Washington Dulles Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Washington Dulles but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Washington, D.C. is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Delta offers the cheapest flight tickets to Washington Dulles.

Flying from Des Moines International Airport (DSM) to Washington Dulles International Airport (IAD): what you need to know

  • If you're getting away during a popular month like July, arrive at the terminal even earlier. You'll want to arrive up to four hours before an international flight and two hours ahead of a domestic departure. Security lines will be longer during high seasons like spring break and summer.

  • If you want to break up your flight from Des Moines International Airport to Washington Dulles International Airport, add a stopover to your trip. Just uncheck 'Direct flights only' to find a city that appeals to you. Popular stopovers on the DSM - IAD route are:

    • Detroit Metropolitan Wayne County Airport

    • Lambert-St. Louis International Airport

    • O'Hare International Airport

How to find the cheapest flights from Des Moines International Airport (DSM) to Washington Dulles International Airport (IAD)

  • The lowest price we've found for a one-way ticket from Des Moines International Airport to Washington Dulles International Airport is $150. For a return flight on this route, the best price is $208. Depending on the availability when you book, these fares may change.

  • Don't leave things to the last minute. You're more likely to get cheap tickets from DSM to IAD if you book early. Airlines often have some great early bird discounts.

  • If you can be flexible with your travel plans, try using the 'Whole month' search tool. It'll give you the lowest price across every month when looking for your ticket from Des Moines International Airport to Washington Dulles International Airport.

  • Finding a cheap ticket from DSM to IAD couldn't be easier with Price Alerts. Simply set up one of these automatic alerts and we'll get in touch when there's a better deal.

  • Use filters to tailor your flights from Des Moines International Airport to Washington Dulles International Airport. Select your ideal departure and arrival times, number of stops and airlines. Or sort your results by 'Cheapest' to get the best deals.

Handy information about Des Moines International Airport (DSM)

  • Des Moines International Airport is about 6 miles from central Des Moines. If you're driving, ride-sharing or catching a cab from the center, it'll take you 14 minutes or so to get there, depending on traffic conditions. If you're taking public transport, expect the travel time to be around 43 minutes.

  • Have an early flight from Des Moines International Airport to Washington Dulles International Airport? Avoid the last-minute rush to the terminal (and sneak in some extra precious sleep) by picking one of these hotels near DSM:

Arriving at Washington Dulles International Airport (IAD)

Getting from Washington Dulles International Airport (IAD) to central Washington DC

  • Washington Dulles International Airport is approximately 35 miles from the center of Washington DC. With your own car rental or if you take a cab, the drive is around 51 minutes.

  • If you're traveling on public transport, expect a journey time of around 3 hours and 26 minutes.

When to fly to Washington Dulles International Airport (IAD)

  • July is the busiest month for flights from Des Moines International Airport to Washington Dulles International Airport. To skip the crowds, head to Washington DC in February.

  • Before locking in your flight from Des Moines International Airport to Washington Dulles International Airport, think about the type of weather you like. July is the warmest month in Washington DC, with temperatures ranging from 66ºF to 91ºF.

  • January has average temperatures of between 21ºF and 50ºF. Search for cheap tickets from DSM to IAD around that time if you like cooler conditions.

More about Washington DC

  • If you're looking for somewhere to lay your head, you'll find the best stays in Washington DC right here. Explore these options after locking in your flight from DSM to IAD:

  • There are so many things to see and do in this city it can be tricky to know where to begin. White House Historical Association, The White House and National Mall are leading attractions which should be on every Washington DC itinerary.

Complete your Washington DC trip with hotels and a car rental

  • You've booked a cheap ticket to Washington Dulles International Airport — next up is finding a place to stay, and perhaps even a set of wheels. We've compared prices across hundreds of companies to bring you the top hotels and car rental deals in Washington DC.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.