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Washington, D.C.

$506+ Cheap flights from Waterloo, IA (ALO) to Washington, D.C. (WAS)

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 2/26. Fares are subject to change and may not be available on all flights or dates of travel.
ALO — WAS
Mar 12 — Mar 191
Thu 3/12
Thu 3/19
1 adult, Economy
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Cheap flight deals from Waterloo to Washington, D.C.

Cheapest flights from Waterloo to Washington, D.C.
Explore the most affordable flight options available from Waterloo to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 10, 2026.

This American Airlines deal was found by Cheapflights users on 2/9. 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 3/35:20 am
ALO
-
DCA
2 stops9h 39m
American Airlines
Sat 3/712:56 pm
DCA
-
ALO
2 stops11h 57m
American Airlines
Deal found 2/9$577
This American Airlines deal was found by Cheapflights users on 2/9. 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 3/35:20 am
ALO
-
DCA
1 stop6h 24m
American Airlines
Fri 3/69:35 am
DCA
-
ALO
1 stop6h 10m
American Airlines
Deal found 2/9$964
This American Airlines deal was found by Cheapflights users on 2/9. 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 3/35:20 am
ALO
-
IAD
2 stops8h 19m
American Airlines
Fri 3/62:03 pm
IAD
-
ALO
2 stops10h 50m
American Airlines
Deal found 2/9$974

Find flight deals from Waterloo to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Waterloo (ALO) to Washington, D.C. (WAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$577
(American Airlines)

One-way from

$506
(KAYAK)
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 Washington, D.C. (WAS)
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One-way flight from Waterloo to Washington, D.C. (WAS)
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Waterloo to Washington, D.C. 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 February 10, 2026.
Use the filters below to find and compare flights from Waterloo to Washington, D.C. that are best for you.

Fly from

Waterloo

Fly to

Washington, D.C.

Route

Depart

Return

Price

WaterlooWashington, D.C.

ALO - DCA

ALODCA

Waterloo

Tue 3/3

5:20 am-3:59 pm

2 stops9h 39m

Washington, D.C. Reagan-National

Sat 3/7

12:56 pm-11:53 pm

2 stops11h 57m

$577

WaterlooWashington, D.C.

ALO - DCA

ALODCA

Waterloo

Wed 3/4

3:15 pm-11:00 pm

1 stop6h 45m

Washington, D.C. Reagan-National

Fri 3/6

5:59 pm-11:53 pm

1 stop6h 54m

$964

WaterlooWashington, D.C.

ALO - DCA

ALODCA

Waterloo

Tue 3/3

5:20 am-11:10 am

1 stop4h 50m

Washington, D.C. Reagan-National

Fri 3/6

5:52 pm-11:53 pm

2 stops7h 01m

$969

WaterlooWashington, D.C.

ALO - IAD

ALOIAD

Waterloo

Tue 3/3

5:20 am-2:39 pm

2 stops8h 19m

Washington, D.C. Dulles Intl

Fri 3/6

2:03 pm-11:53 pm

2 stops10h 50m

$974

WaterlooWashington, D.C.

ALO - DCA

ALODCA

Waterloo

Thu 2/26

3:15 pm-11:59 pm

2 stops7h 44m

$511

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/9

Compare providers for flights from Waterloo to Washington, D.C.

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Waterloo to Washington, D.C. in February.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Waterloo, Iowa-Washington, D.C. flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Waterloo, Iowa-Washington, D.C. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Waterloo, Iowa-Washington, D.C. flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Waterloo, Iowa-Washington, D.C. flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Waterloo, Iowa-Washington, D.C. flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Waterloo to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. 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 Washington, D.C.

What is the cheapest month to book a flight from Waterloo, Iowa to Washington, D.C.?

Currently, March is the cheapest month in which you can book a flight from Waterloo, Iowa to Washington, D.C. (average of $177). Flying from Waterloo, Iowa to Washington, D.C. in December is currently the most expensive (average of $243). 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 Washington, D.C.. 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 Washington, D.C.?

    If you book a flight to Washington, D.C. from Waterloo, you will be flying from Waterloo, which is the city’s only airport. Waterloo (ALO) is located 5.3 mi from the center of Waterloo. There are 0 flights from Waterloo to Washington, D.C. per day from 0 different airlines.

  • How long is the flight from Waterloo, Iowa to Washington, D.C.?

    A quick flight from Waterloo, Iowa to Washington, D.C. can take about 9h 39m. American Airlines provides one of the quickest options available for as low as $577. There are 842 mi between Waterloo, Iowa and Washington, D.C..

  • What are the most popular routes from Waterloo, Iowa to Washington, D.C.?

    The most popular route from Waterloo, Iowa to Washington, D.C. is Waterloo - Washington, D.C. Reagan-National. You may also consider Waterloo - Baltimore/Washington or Waterloo - Washington, D.C. Dulles Intl.

  • Can I find deals for flights from Waterloo to Washington, D.C. that include hotel bookings?

    Yes. In addition to deals on Waterloo to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Waterloo to Washington, D.C.?

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

  • Can I find deals for business class flights from Waterloo to Washington, D.C.?

    Yes. Cheapflights offers flight deals from Waterloo to Washington, D.C. 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 Washington, D.C.?

    Currently, March is the cheapest month in which you can book a flight from Waterloo, Iowa to Washington, D.C. (average of $177). Flying from Waterloo, Iowa to Washington, D.C. in December is currently the most expensive (average of $243). 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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