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Cheap flights from Waterloo, Iowa to Washington, D.C. from $434

This is the cheapest one-way 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 10/15. 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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Find the cheapest flights from Waterloo, Iowa to Washington, D.C.

Cheap round-trip flights

American Airlines Logo
4:59 pm - 11:34 amALO-IAD
17h 35m2 stops
American Airlines Logo
9:16 am - 11:41 pmIAD-ALO
15h 25m2 stops
$690American Airlines
Find Deal
mié., oct. 1 - dom., oct. 5
American Airlines Logo
6:00 am - 6:51 pmALO-IAD
11h 51m3 stops
American Airlines Logo
1:53 pm - 11:41 pmIAD-ALO
10h 48m2 stops
$695American Airlines
Find Deal
mié., oct. 1 - dom., oct. 5
American Airlines Logo
6:00 am - 7:31 pmALO-IAD
12h 31m2 stops
American Airlines Logo
5:29 pm - 8:04 pmIAD-ALO
27h 35m2 stops
$714American Airlines
Find Deal
sáb., dic. 13 - mar., dic. 16
American Airlines Logo
6:00 am - 6:51 pmALO-IAD
11h 51m3 stops
American Airlines Logo
1:53 pm - 11:41 pmIAD-ALO
10h 48m3 stops
$953American Airlines
Find Deal
mié., oct. 1 - dom., oct. 5

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
Oct 2
ALO6:01 amWaterloo
9h 37m
2 stops
IAD4:38 pmWashington, D.C. Dulles Intl
Oct 5
IAD5:26 pmWashington, D.C. Dulles Intl
7h 15m
2 stops
ALO11:41 pmWaterloo
$662
Find similar
American Airlines
Oct 1
ALO4:59 pmWaterloo
17h 35m
2 stops
IAD11:34 amWashington, D.C. Dulles Intl
Oct 5
IAD9:16 amWashington, D.C. Dulles Intl
15h 25m
2 stops
ALO11:41 pmWaterloo
$690
Find similar
American Airlines
Oct 1
ALO6:00 amWaterloo
11h 51m
3 stops
IAD6:51 pmWashington, D.C. Dulles Intl
Oct 5
IAD1:53 pmWashington, D.C. Dulles Intl
10h 48m
2 stops
ALO11:41 pmWaterloo
$695
Find similar

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 septiembre 18, 2025.
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

mié. 10/1

4:59 pm-11:34 am

2 stops17h 35m

Washington, D.C. Dulles Intl

dom. 10/5

9:16 am-11:41 pm

2 stops15h 25m

$690

WaterlooWashington, D.C.

ALO - IAD

ALOIAD

Waterloo

mié. 10/1

6:00 am-6:51 pm

3 stops11h 51m

Washington, D.C. Dulles Intl

dom. 10/5

1:53 pm-11:41 pm

2 stops10h 48m

$695

WaterlooWashington, D.C.

ALO - IAD

ALOIAD

Waterloo

sáb. 12/13

6:00 am-7:31 pm

2 stops12h 31m

Washington, D.C. Dulles Intl

mar. 12/16

5:29 pm-8:04 pm

2 stops27h 35m

$714

WaterlooWashington, D.C.

ALO - IAD

ALOIAD

Waterloo

mié. 10/1

6:00 am-6:51 pm

3 stops11h 51m

Washington, D.C. Dulles Intl

dom. 10/5

1:53 pm-11:41 pm

3 stops10h 48m

$953

WaterlooWashington, D.C.

ALO - IAD

ALOIAD

Waterloo

mié. 10/15

6:00 am-1:48 pm

2 stops6h 48m

$434

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Waterloo, Iowa to Washington, D.C. Dulles Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Waterloo to Washington, D.C. Dulles Intl?

American Airlines is the most popular carrier operating from Waterloo to Washington, D.C. Dulles Intl

What airlines fly to Washington, D.C. Dulles Intl Airport?

Delta, United Airlines and American Airlines are the top three most popular airlines that fly to Washington, D.C. Dulles Intl Airport from Waterloo, Iowa according to our data. Delta is the first choice among our users, with 61% of people opting to fly with this airline when traveling to Washington, D.C. Dulles Intl Airport. Keep in mind that there are 3 different airlines that fly to Washington, D.C. Dulles Intl Airport on a routine basis, so you have a few additional options to choose from.

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

Direct flights

None
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 11h 51m 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.

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

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

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.

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sáb. 10/18
sáb. 10/25
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