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$459+ Cheap flights from Waterloo, IA (ALO) to District of Columbia

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/4. Fares are subject to change and may not be available on all flights or dates of travel.
ALO — IAD
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
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 January 29, 2026.

This American Airlines deal was found by Cheapflights users on 1/28. 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.
Sat 4/45:20 am
ALO
-
DCA
1 stop6h 19m
American Airlines
Wed 4/85:30 pm
DCA
-
ALO
1 stop7h 20m
American Airlines
Deal found 1/28$469
This American Airlines deal was found by Cheapflights users on 1/27. 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 2/245:20 am
ALO
-
DCA
2 stops9h 39m
American Airlines
Tue 3/39:35 am
DCA
-
ALO
1 stop15h 18m
American Airlines
Deal found 1/27$486
This American Airlines deal was found by Cheapflights users on 1/27. 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 2/245:20 am
ALO
-
IAD
2 stops8h 19m
American Airlines
Tue 3/33:11 pm
IAD
-
ALO
2 stops9h 42m
American Airlines
Deal found 1/27$507
This American Airlines deal was found by Cheapflights users on 1/27. 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 2/36:00 am
ALO
-
DCA
1 stop4h 00m
American Airlines
Sat 2/75:55 pm
DCA
-
ALO
1 stop5h 28m
American Airlines
Deal found 1/27$593
This American Airlines deal was found by Cheapflights users on 1/27. 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 2/23:23 pm
ALO
-
DCA
1 stop6h 32m
American Airlines
Sat 2/75:55 pm
DCA
-
ALO
1 stop5h 28m
American Airlines
Deal found 1/27$601
This American Airlines deal was found by Cheapflights users on 1/27. 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 2/116:00 am
ALO
-
DCA
2 stops9h 40m
American Airlines
Sun 2/156:08 am
DCA
-
ALO
2 stops9h 37m
American Airlines
Deal found 1/27$602
This American Airlines deal was found by Cheapflights users on 1/27. 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 2/23:23 pm
ALO
-
IAD
2 stops6h 49m
American Airlines
Sat 2/71:08 pm
IAD
-
ALO
2 stops10h 15m
American Airlines
Deal found 1/27$611
This American Airlines deal was found by Cheapflights users on 1/28. 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.
Sat 4/45:20 am
ALO
-
IAD
2 stops9h 56m
American Airlines
Wed 4/89:19 am
IAD
-
ALO
3 stops15h 31m
American Airlines
Deal found 1/28$686

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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$469
(American Airlines)

One-way from

$459
(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
Search Deals
One-way flight 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 January 29, 2026.
Use the filters below to find and compare flights from Waterloo to District of Columbia that are best for you.

Fly from

Waterloo

Fly to

District of Columbia

Route

Depart

Return

Price

WaterlooWashington, D.C.

ALO - DCA

ALODCA

Waterloo

Sat 4/4

5:20 am-12:39 pm

1 stop6h 19m

Washington, D.C. Reagan-National

Wed 4/8

5:30 pm-11:50 pm

1 stop7h 20m

$469

WaterlooWashington, D.C.

ALO - DCA

ALODCA

Waterloo

Tue 2/24

5:20 am-3:59 pm

2 stops9h 39m

Washington, D.C. Reagan-National

Tue 3/3

9:35 am-11:53 pm

1 stop15h 18m

$486

WaterlooWashington, D.C.

ALO - IAD

ALOIAD

Waterloo

Sat 4/4

5:20 am-1:32 pm

2 stops7h 12m

Washington, D.C. Dulles Intl

Wed 4/8

3:17 pm-11:50 pm

2 stops9h 33m

$507

WaterlooWashington, D.C.

ALO - IAD

ALOIAD

Waterloo

Tue 2/24

5:20 am-2:39 pm

2 stops8h 19m

Washington, D.C. Dulles Intl

Tue 3/3

3:11 pm-11:53 pm

2 stops9h 42m

$507

WaterlooWashington, D.C.

ALO - DCA

ALODCA

Waterloo

Wed 2/11

3:23 pm-10:55 pm

1 stop6h 32m

Washington, D.C. Reagan-National

Sun 2/15

9:20 am-2:45 pm

1 stop6h 25m

$601

WaterlooWashington, D.C.

ALO - DCA

ALODCA

Waterloo

Wed 2/4

3:23 pm-10:55 pm

1 stop6h 32m

$459

WaterlooWashington, D.C.

ALO - DCA

ALODCA

Waterloo

Tue 2/3

6:00 am-11:00 am

1 stop4h 00m

$459

WaterlooWashington, D.C.

ALO - IAD

ALOIAD

Waterloo

Wed 2/4

3:23 pm-11:12 pm

2 stops6h 49m

$464

WaterlooWashington, D.C.

ALO - IAD

ALOIAD

Waterloo

Tue 2/3

6:00 am-5:16 pm

2 stops10h 16m

$464

WaterlooWashington, D.C.

ALO - DCA

ALODCA

Waterloo

Thu 2/5

3:23 pm-10:55 pm

1 stop6h 32m

$506

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 11 results
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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, November is the cheapest month in which you can book a flight from Waterloo, Iowa to District of Columbia (average of $181). Flying from Waterloo, Iowa to District of Columbia in June is currently the most expensive (average of $259). 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 6h 19m. American Airlines provides one of the quickest options available for as low as $469. The distance between Waterloo, Iowa and District of Columbia is about 842 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, November is the cheapest month in which you can book a flight from Waterloo, Iowa to District of Columbia (average of $181). Flying from Waterloo, Iowa to District of Columbia in June is currently the most expensive (average of $259). 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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