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District of Columbia

$446+ Cheap flights from Waterloo, IA (ALO) to District of Columbia

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
ALO — IAD
May 1 — May 81
Fri 5/1
Fri 5/8
1 adult, Economy
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Cheap flight deals from Waterloo to District of Columbia

Cheapest flights from Waterloo to District of Columbia
Explore the most affordable flight options available from Waterloo to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 1, 2026.

This American Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/285:40 am
ALO
-
IAD
2 stops16h 26m
American Airlines
Tue 5/57:16 am
IAD
-
ALO
2 stops17h 33m
American Airlines
Deal found 3/30$446
This American Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/135:40 am
ALO
-
IAD
2 stops12h 45m
American Airlines
Sat 5/166:25 am
IAD
-
ALO
2 stops18h 30m
American Airlines
Deal found 3/30$596
This American Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/132:23 pm
ALO
-
IAD
2 stops8h 36m
American Airlines
Sun 5/176:25 am
IAD
-
ALO
2 stops8h 28m
American Airlines
Deal found 3/30$630
This American Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/135:40 am
ALO
-
IAD
2 stops17h 19m
American Airlines
Fri 5/158:11 pm
IAD
-
ALO
2 stops28h 44m
American Airlines
Deal found 3/30$631
This American Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/152:23 pm
ALO
-
DCA
1 stop8h 34m
American Airlines
Sun 4/199:32 am
DCA
-
ALO
1 stop15h 17m
American Airlines
Deal found 3/31$635
This American Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/145:40 am
ALO
-
IAD
2 stops17h 19m
American Airlines
Sun 5/176:25 am
IAD
-
ALO
2 stops8h 28m
American Airlines
Deal found 3/30$637
This American Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/155:40 am
ALO
-
IAD
2 stops8h 07m
American Airlines
Sun 4/196:25 am
IAD
-
ALO
2 stops8h 28m
American Airlines
Deal found 3/31$659
This American Airlines deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/182:23 pm
ALO
-
DCA
1 stop24h 22m
American Airlines
Fri 5/223:52 pm
DCA
-
ALO
1 stop9h 17m
American Airlines
Deal found 3/29$702
This American Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/315:00 am
ALO
-
IAD
2 stops18h 13m
American Airlines
Thu 6/48:22 pm
IAD
-
ALO
2 stops19h 10m
American Airlines
Deal found 3/30$781
This American Airlines deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/122:23 pm
ALO
-
DCA
1 stop8h 45m
American Airlines
Thu 4/161:45 pm
DCA
-
ALO
1 stop11h 04m
American Airlines
Deal found 3/28$904
This American Airlines deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/135:40 am
ALO
-
DCA
1 stop6h 15m
American Airlines
Fri 4/171:45 pm
DCA
-
ALO
1 stop11h 04m
American Airlines
Deal found 4/1$985

Find flight deals from Waterloo to District of Columbia

Keep the following information in mind while searching for Waterloo to District of Columbia flight deals. Data was last updated April 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$446
(American Airlines)
Provider with most accurate pricing for Waterloo-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Waterloo-Washington, D.C. (WAS) flights.
Search Deals
From Waterloo to District of Columbia
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Waterloo to District of Columbia 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, Cheapflights users made 2,558,603 searches. Data last updated April 1, 2026.
Use the filters below to find and compare flights from Waterloo to District of Columbia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

WaterlooWashington, D.C.

ALO - IAD

ALOIAD

Waterloo

Tue 4/28

5:40 am-11:06 pm

2 stops16h 26m

Washington, D.C. Dulles Intl

Tue 5/5

7:16 am-11:49 pm

2 stops17h 33m

$446

WaterlooWashington, D.C.

ALO - IAD

ALOIAD

Waterloo

Thu 5/14

5:40 am-7:25 pm

2 stops12h 45m

Washington, D.C. Dulles Intl

Sat 5/16

3:26 pm-1:53 pm

2 stops23h 27m

$596

WaterlooWashington, D.C.

ALO - IAD

ALOIAD

Waterloo

Wed 5/13

5:40 am-7:25 pm

2 stops12h 45m

Washington, D.C. Dulles Intl

Sat 5/16

6:25 am-11:55 pm

2 stops18h 30m

$596

WaterlooWashington, D.C.

ALO - IAD

ALOIAD

Waterloo

Wed 5/13

2:23 pm-11:59 pm

2 stops8h 36m

Washington, D.C. Dulles Intl

Sun 5/17

6:25 am-1:53 pm

2 stops8h 28m

$630

WaterlooWashington, D.C.

ALO - DCA

ALODCA

Waterloo

Thu 4/16

5:40 am-7:05 pm

1 stop12h 25m

Washington, D.C. Reagan-National

Mon 4/20

5:55 am-1:53 pm

1 stop8h 58m

$635

WaterlooWashington, D.C.

ALO - DCA

ALODCA

Waterloo

Wed 4/15

2:23 pm-11:57 pm

1 stop8h 34m

Washington, D.C. Reagan-National

Sun 4/19

9:32 am-11:49 pm

1 stop15h 17m

$635

WaterlooWashington, D.C.

ALO - IAD

ALOIAD

Waterloo

Wed 4/15

5:40 am-2:47 pm

2 stops8h 07m

Washington, D.C. Dulles Intl

Sun 4/19

6:25 am-1:53 pm

2 stops8h 28m

$659

WaterlooWashington, D.C.

ALO - IAD

ALOIAD

Waterloo

Thu 4/16

5:40 am-2:51 pm

2 stops8h 11m

Washington, D.C. Dulles Intl

Mon 4/20

6:25 am-1:53 pm

2 stops8h 28m

$659

WaterlooWashington, D.C.

ALO - DCA

ALODCA

Waterloo

Mon 5/18

2:23 pm-3:45 pm

1 stop24h 22m

Washington, D.C. Reagan-National

Fri 5/22

3:52 pm-12:09 am

1 stop9h 17m

$702

WaterlooWashington, D.C.

ALO - IAD

ALOIAD

Waterloo

Sun 5/31

5:00 am-12:13 am

2 stops18h 13m

Washington, D.C. Dulles Intl

Thu 6/4

8:22 pm-2:32 pm

2 stops19h 10m

$781

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Showing 1-10 of 12 resultsSorted by cheapest first
1
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Best time to book a flight from Waterloo to District of Columbia

Have a flexible travel schedule? Discover the best time to fly to District of Columbia from Waterloo with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Waterloo to District of Columbia

What is the cheapest month to book a flight from Waterloo, Iowa to District of Columbia?

Currently, July is the cheapest month in which you can book a flight from Waterloo, Iowa to District of Columbia (average of $190). Flying from Waterloo, Iowa to District of Columbia in February is currently the most expensive (average of $254). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Waterloo to District of Columbia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Waterloo to District of Columbia?

    Waterloo (ALO), located 5.3 mi from the city center, is the airport you fly out of when you book flights from Waterloo to District of Columbia.

  • How long is the flight from Waterloo, Iowa to District of Columbia?

    A quick flight from Waterloo, Iowa to District of Columbia can take about 16h 26m. American Airlines provides one of the quickest options available for as low as $446. The distance between Waterloo, Iowa and District of Columbia is about 819 mi.

  • Can I find deals for flights from Waterloo to District of Columbia that include hotel bookings?

    Yes. In addition to deals on Waterloo to District of Columbia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Waterloo to District of Columbia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Waterloo to District of Columbia.

  • Can I find deals for business class flights from Waterloo to District of Columbia?

    Yes. Cheapflights offers flight deals from Waterloo to District of Columbia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Waterloo, Iowa to District of Columbia?

    Currently, July is the cheapest month in which you can book a flight from Waterloo, Iowa to District of Columbia (average of $190). Flying from Waterloo, Iowa to District of Columbia in February is currently the most expensive (average of $254). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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