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Cheap flights from Waterloo, Iowa to Washington, D.C. from $493

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Waterloo, Iowa to Washington, D.C. departing on 4/16. 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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0 bags

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Find the cheapest flights from Waterloo, Iowa to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
6:00 am - 2:51 pm
ALO
-
IAD
7h 51m2 stops
American Airlines Logo
6:26 am - 1:48 pm
IAD
-
ALO
8h 22m2 stops
$493American Airlines
Thu, Apr 16 - Sat, Apr 18

momondo Fare Finder

 
Customize your flight search to find flights from Waterloo, Iowa to Washington, D.C. Dulles Intl Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated January 11, 2026.
Use the filters below to find and compare flights from Waterloo, Iowa to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

WaterlooWashington, D.C.

ALO - IAD

ALOIAD

Waterloo

Thu 4/16

6:00 am-2:51 pm

2 stops7h 51m

Washington, D.C. Dulles Intl

Sat 4/18

6:26 am-1:48 pm

2 stops8h 22m

$493

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Waterloo, Iowa to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Waterloo, Iowa 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 Waterloo, Iowa to Washington, D.C. Dulles Intl Airport (ALO to IAD) flight deals and tips

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

Fastest flight time

6h 49m

Direct flights

None
The fastest flight from Waterloo, Iowa to Washington, D.C. Dulles Intl Airport takes 6h 49m
There are no direct flights from Waterloo, Iowa to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from Waterloo, Iowa to Washington, D.C. Dulles Intl Airport.
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  • How far is Waterloo to Washington, D.C. Dulles Intl by plane?

    The straight-line distance from Waterloo to Washington, D.C. Dulles Intl is 815.6 mi. Typically, this will take 6h 49m by plane in normal conditions.

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

    Prices for flights from Waterloo Airport to Washington, D.C. Dulles Intl Airport refresh daily.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Waterloo 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.

  • How do I get Price Alerts for flights from Waterloo, Iowa to Washington, D.C. Dulles Intl Airport?

    Confirm your travel details to search for the latest offers for flights from Waterloo, Iowa to Washington, D.C. Dulles Intl Airport. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Waterloo, Iowa to Washington, D.C. Dulles Intl Airport with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Winchester
Waldorf
Woodbridge
Tysons
Laurel
Colonial Beach
Silver Spring
Towson
Fredericksburg
Rockville
Gaithersburg
Harpers Ferry
Manassas
Sterling
Fairfax
Springfield

Why use momondo?

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

Finding the right flight to Washington, D.C. from Waterloo is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington, D.C. quick and easy, saving you time and money.

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

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

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington, D.C. from Waterloo.

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

Yes momondo offers price alerts on flights to Washington, D.C. from Waterloo. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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

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