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Cheap flights from Waterloo, Iowa to Washington, D.C. from $513

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 12/3. 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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Cheap round-trip flights

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American Airlines Logo
3:27 pm - 11:08 pmALO-IAD
6h 41m2 stops
American Airlines Logo
6:25 am - 2:56 pmIAD-ALO
9h 31m2 stops
$513American Airlines
Find Deal
Wed, Dec 3 - Sat, Dec 6
American Airlines Logo
3:26 pm - 12:01 amALO-IAD
7h 35m2 stops
American Airlines Logo
11:25 am - 8:04 pmIAD-ALO
9h 39m2 stops
$529American Airlines
Find Deal
Sat, Dec 13 - Tue, Dec 16
American Airlines Logo
5:40 am - 4:01 pmALO-IAD
9h 21m2 stops
American Airlines Logo
6:35 am - 2:39 pmIAD-ALO
9h 04m2 stops
$639American Airlines
Find Deal
Thu, Dec 25 - Thu, Jan 1
American Airlines Logo
5:40 am - 4:01 pmALO-IAD
9h 21m2 stops
American Airlines Logo
6:35 am - 2:39 pmIAD-ALO
9h 04m2 stops
$651American Airlines
Find Deal
Thu, Dec 25 - Wed, Dec 31
American Airlines Logo
5:40 am - 4:01 pmALO-IAD
9h 21m2 stops
American Airlines Logo
6:35 am - 2:39 pmIAD-ALO
9h 04m2 stops
$659American Airlines
Find Deal
Thu, Dec 25 - Sat, Jan 3
American Airlines Logo
6:00 am - 1:34 pmALO-IAD
6h 34m2 stops
American Airlines Logo
1:57 pm - 11:45 pmIAD-ALO
10h 48m2 stops
$665American Airlines
Find Deal
Fri, Dec 12 - Fri, Dec 19
American Airlines Logo
3:17 pm - 11:59 pmALO-IAD
7h 42m2 stops
American Airlines Logo
1:58 pm - 11:48 pmIAD-ALO
10h 50m2 stops
$688American Airlines
Find Deal
Wed, Nov 26 - Mon, Dec 1
American Airlines Logo
5:40 am - 4:01 pmALO-IAD
9h 21m2 stops
American Airlines Logo
1:57 pm - 11:45 pmIAD-ALO
10h 48m2 stops
$709American Airlines
Find Deal
Thu, Dec 25 - Fri, Jan 2
American Airlines Logo
5:50 am - 3:59 pmALO-IAD
9h 09m2 stops
American Airlines Logo
6:35 am - 2:39 pmIAD-ALO
9h 04m2 stops
$724American Airlines
Find Deal
Tue, Dec 23 - Thu, Jan 1
American Airlines Logo
5:40 am - 1:27 pmALO-IAD
30h 47m2 stops
American Airlines Logo
6:35 am - 9:56 pmIAD-ALO
16h 21m2 stops
$728American Airlines
Find Deal
Wed, Dec 24 - Wed, Dec 31

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
Dec 3
ALO3:27 pmWaterloo
6h 41m
2 stops
IAD11:08 pmWashington, D.C. Dulles Intl
Dec 6
IAD6:25 amWashington, D.C. Dulles Intl
9h 31m
2 stops
ALO2:56 pmWaterloo
$513
Find similar
American Airlines
Dec 13
ALO3:26 pmWaterloo
7h 35m
2 stops
IAD12:01 amWashington, D.C. Dulles Intl
Dec 16
IAD11:25 amWashington, D.C. Dulles Intl
9h 39m
2 stops
ALO8:04 pmWaterloo
$529
Find similar
American Airlines
Nov 14
ALO6:00 amWaterloo
9h 49m
2 stops
IAD4:49 pmWashington, D.C. Dulles Intl
Nov 17
IAD7:59 amWashington, D.C. Dulles Intl
7h 59m
2 stops
ALO2:58 pmWaterloo
$599
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 November 13, 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

Wed 12/3

3:27 pm-11:08 pm

2 stops6h 41m

Washington, D.C. Dulles Intl

Sat 12/6

6:25 am-2:56 pm

2 stops9h 31m

$513

WaterlooWashington, D.C.

ALO - IAD

ALOIAD

Waterloo

Sat 12/13

3:26 pm-12:01 am

2 stops7h 35m

Washington, D.C. Dulles Intl

Tue 12/16

11:25 am-8:04 pm

2 stops9h 39m

$529

WaterlooWashington, D.C.

ALO - IAD

ALOIAD

Waterloo

Thu 12/25

5:40 am-4:01 pm

2 stops9h 21m

Washington, D.C. Dulles Intl

Thu 1/1

6:35 am-2:39 pm

2 stops9h 04m

$639

WaterlooWashington, D.C.

ALO - IAD

ALOIAD

Waterloo

Thu 12/25

5:40 am-4:01 pm

2 stops9h 21m

Washington, D.C. Dulles Intl

Wed 12/31

6:35 am-2:39 pm

2 stops9h 04m

$651

WaterlooWashington, D.C.

ALO - IAD

ALOIAD

Waterloo

Thu 12/25

5:40 am-4:01 pm

2 stops9h 21m

Washington, D.C. Dulles Intl

Sat 1/3

6:35 am-2:39 pm

2 stops9h 04m

$659

WaterlooWashington, D.C.

ALO - IAD

ALOIAD

Waterloo

Fri 12/12

6:00 am-1:34 pm

2 stops6h 34m

Washington, D.C. Dulles Intl

Fri 12/19

1:57 pm-11:45 pm

2 stops10h 48m

$665

WaterlooWashington, D.C.

ALO - IAD

ALOIAD

Waterloo

Wed 11/26

3:17 pm-11:59 pm

2 stops7h 42m

Washington, D.C. Dulles Intl

Mon 12/1

1:58 pm-11:48 pm

2 stops10h 50m

$688

WaterlooWashington, D.C.

ALO - IAD

ALOIAD

Waterloo

Thu 12/25

5:40 am-4:01 pm

2 stops9h 21m

Washington, D.C. Dulles Intl

Fri 1/2

1:57 pm-11:45 pm

2 stops10h 48m

$709

WaterlooWashington, D.C.

ALO - IAD

ALOIAD

Waterloo

Tue 12/23

5:50 am-3:59 pm

2 stops9h 09m

Washington, D.C. Dulles Intl

Thu 1/1

6:35 am-2:39 pm

2 stops9h 04m

$724

WaterlooWashington, D.C.

ALO - IAD

ALOIAD

Waterloo

Wed 12/24

5:40 am-1:27 pm

2 stops30h 47m

Washington, D.C. Dulles Intl

Wed 12/31

6:35 am-9:56 pm

2 stops16h 21m

$728

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

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 6h 34m 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
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Harpers Ferry
Towson
Rockville
Reston
Manassas
Gaithersburg
Fairfax
Glen Burnie

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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