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Cheap flights from Waterloo, Iowa to Washington, D.C. from $419

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 7/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 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
5:06 am - 12:10 am
ALO
-
IAD
18h 04m
2 stops
American Airlines Logo
5:03 am - 2:53 pm
IAD
-
ALO
10h 50m
2 stops
$619American Airlines
Tue, Jul 7 - Wed, Jul 8
American Airlines Logo
3:00 pm - 12:13 am
ALO
-
IAD
8h 13m
2 stops
American Airlines Logo
6:20 am - 2:23 pm
IAD
-
ALO
9h 03m
2 stops
$626American Airlines
Wed, Jun 17 - Sun, Jun 21
American Airlines Logo
5:06 am - 12:10 am
ALO
-
IAD
18h 04m
2 stops
American Airlines Logo
7:57 am - 12:22 am
IAD
-
ALO
17h 25m
2 stops
$651American Airlines
Tue, Aug 4 - Thu, Aug 6
American Airlines Logo
5:06 am - 5:59 pm
ALO
-
IAD
11h 53m
2 stops
American Airlines Logo
6:33 am - 2:53 pm
IAD
-
ALO
9h 20m
2 stops
$903American Airlines
Sat, Jul 4 - Fri, Jul 10
American Airlines Logo
5:06 am - 7:34 pm
ALO
-
IAD
13h 28m
3 stops
American Airlines Logo
9:20 am - 12:29 am
IAD
-
ALO
16h 09m
2 stops
$1,001American Airlines
Tue, Jul 7 - Wed, Jul 8
American Airlines Logo
5:06 am - 7:34 pm
ALO
-
IAD
13h 28m
3 stops
American Airlines Logo
7:57 am - 12:22 am
IAD
-
ALO
17h 25m
2 stops
$1,010American Airlines
Tue, Aug 4 - Thu, Aug 6

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
Jul 7
ALO5:06 amWaterloo
18h 04m
2 stops
IAD12:10 amWashington, D.C. Dulles Intl
Jul 8
IAD5:03 amWashington, D.C. Dulles Intl
10h 50m
2 stops
ALO2:53 pmWaterloo
$619
American Airlines
Jun 17
ALO3:00 pmWaterloo
8h 13m
2 stops
IAD12:13 amWashington, D.C. Dulles Intl
Jun 21
IAD6:20 amWashington, D.C. Dulles Intl
9h 03m
2 stops
ALO2:23 pmWaterloo
$626
American Airlines
Aug 4
ALO5:06 amWaterloo
18h 04m
2 stops
IAD12:10 amWashington, D.C. Dulles Intl
Aug 6
IAD7:57 amWashington, D.C. Dulles Intl
17h 25m
2 stops
ALO12:22 amWaterloo
$651

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 June 4, 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

Tue 7/7

5:06 am-12:10 am

2 stops18h 04m

Washington, D.C. Dulles Intl

Wed 7/8

5:03 am-2:53 pm

2 stops10h 50m

$619
Quickest round-trip

WaterlooWashington, D.C.

ALO - IAD

ALOIAD

Waterloo

Wed 6/17

3:00 pm-12:13 am

2 stops8h 13m

Washington, D.C. Dulles Intl

Sun 6/21

6:20 am-2:23 pm

2 stops9h 03m

$626

WaterlooWashington, D.C.

ALO - IAD

ALOIAD

Waterloo

Tue 8/4

5:06 am-12:10 am

2 stops18h 04m

Washington, D.C. Dulles Intl

Thu 8/6

7:57 am-12:22 am

2 stops17h 25m

$651

WaterlooWashington, D.C.

ALO - IAD

ALOIAD

Waterloo

Sat 7/4

5:06 am-5:59 pm

2 stops11h 53m

Washington, D.C. Dulles Intl

Fri 7/10

6:33 am-2:53 pm

2 stops9h 20m

$903

WaterlooWashington, D.C.

ALO - IAD

ALOIAD

Waterloo

Tue 7/7

5:06 am-7:34 pm

3 stops13h 28m

Washington, D.C. Dulles Intl

Wed 7/8

9:20 am-12:29 am

2 stops16h 09m

$1,001

WaterlooWashington, D.C.

ALO - IAD

ALOIAD

Waterloo

Tue 8/4

5:06 am-7:34 pm

3 stops13h 28m

Washington, D.C. Dulles Intl

Thu 8/6

7:57 am-12:22 am

2 stops17h 25m

$1,010
Cheapest one-way
Quickest one-way

WaterlooWashington, D.C.

ALO - IAD

ALOIAD

Waterloo

Thu 7/16

3:23 pm-12:10 am

2 stops7h 47m

$419

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

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

8h 13m

Direct flights

None
The fastest flight from Waterloo, Iowa to Washington, D.C. Dulles Intl Airport takes 8h 13m
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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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 8h 13m 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
National Harbor
Gettysburg
Arlington
Winchester
Waldorf
Woodbridge
Laurel
Gaithersburg
Fredericksburg
Colonial Beach
Silver Spring
Rockville
Towson
Linthicum Heights
Manassas
Sterling
Tysons
Springfield
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.

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