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Cheap flights from Waterloo, Iowa to Washington, D.C. from $459

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 8/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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
5:00 am - 10:55 pm
ALO
-
IAD
16h 55m
2 stops
American Airlines Logo
1:23 pm - 12:22 am
IAD
-
ALO
11h 59m
2 stops
$459American Airlines
Thu, Aug 13 - Thu, Aug 20
American Airlines Logo
5:00 am - 12:48 pm
ALO
-
IAD
6h 48m
2 stops
American Airlines Logo
5:34 pm - 12:22 am
IAD
-
ALO
7h 48m
2 stops
$643American Airlines
Mon, Aug 17 - Mon, Aug 24
American Airlines Logo
5:00 am - 5:04 pm
ALO
-
IAD
11h 04m
3 stops
American Airlines Logo
7:57 am - 12:22 am
IAD
-
ALO
17h 25m
2 stops
$974American Airlines
Thu, Aug 13 - Thu, Aug 20
American Airlines Logo
5:00 am - 5:04 pm
ALO
-
IAD
11h 04m
3 stops
American Airlines Logo
10:27 am - 12:22 am
IAD
-
ALO
14h 55m
2 stops
$980American Airlines
Mon, Aug 17 - Mon, Aug 24

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American Airlines flights from Waterloo, Iowa to Washington, D.C. Dulles Intl Airport

Our best American Airlines deals on Waterloo, Iowa to Washington, D.C. Dulles Intl Airport flight tickets
American Airlines
Aug 13
ALO5:00 amWaterloo
16h 55m
2 stops
IAD10:55 pmWashington, D.C. Dulles Intl
Aug 20
IAD1:23 pmWashington, D.C. Dulles Intl
11h 59m
2 stops
ALO12:22 amWaterloo
$459
American Airlines
Aug 17
ALO5:00 amWaterloo
6h 48m
2 stops
IAD12:48 pmWashington, D.C. Dulles Intl
Aug 24
IAD5:34 pmWashington, D.C. Dulles Intl
7h 48m
2 stops
ALO12:22 amWaterloo
$643
American Airlines
Aug 13
ALO5:00 amWaterloo
11h 04m
3 stops
IAD5:04 pmWashington, D.C. Dulles Intl
Aug 20
IAD7:57 amWashington, D.C. Dulles Intl
17h 25m
2 stops
ALO12:22 amWaterloo
$974

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 July 20, 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

Cheapest round-trip

WaterlooWashington, D.C.

ALO - IAD

ALOIAD

Waterloo

Thu 8/13

5:00 am-10:55 pm

2 stops16h 55m

Washington, D.C. Dulles Intl

Thu 8/20

1:23 pm-12:22 am

2 stops11h 59m

$459
Quickest round-trip

WaterlooWashington, D.C.

ALO - IAD

ALOIAD

Waterloo

Mon 8/17

5:00 am-12:48 pm

2 stops6h 48m

Washington, D.C. Dulles Intl

Mon 8/24

5:34 pm-12:22 am

2 stops7h 48m

$643

WaterlooWashington, D.C.

ALO - IAD

ALOIAD

Waterloo

Thu 8/13

5:00 am-5:04 pm

3 stops11h 04m

Washington, D.C. Dulles Intl

Thu 8/20

7:57 am-12:22 am

2 stops17h 25m

$974

WaterlooWashington, D.C.

ALO - IAD

ALOIAD

Waterloo

Mon 8/17

5:00 am-5:04 pm

3 stops11h 04m

Washington, D.C. Dulles Intl

Mon 8/24

10:27 am-12:22 am

2 stops14h 55m

$980

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

16h 55m

Direct flights

None
The fastest flight from Waterloo, Iowa to Washington, D.C. Dulles Intl Airport takes 16h 55m
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.
Search flight deals

Frequently asked questions about flying from Waterloo, Iowa to Washington, D.C. Dulles Intl Airport

  • 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 16h 55m 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.

Frequently asked questions about flying from Waterloo, Iowa to Washington, D.C. Dulles Intl Airport

  • 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
Arlington
Gettysburg
Winchester
Waldorf
Laurel
Woodbridge
Fredericksburg
Gaithersburg
Linthicum Heights
Rockville
Manassas
Towson
Silver Spring
Colonial Beach
Sterling
Springfield
Tysons
Fairfax

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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