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$609+ Cheap flights from District of Columbia to Waterloo, IA (ALO)

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 12/23. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — ALO
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from District of Columbia to Waterloo

Cheapest flights from District of Columbia to Waterloo
Explore the most affordable flight options available from District of Columbia to Waterloo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This American Airlines deal was found by Cheapflights users on 12/14. 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 12/235:41 pmDCA - ALO
1 stop7h 04mAmerican Airlines
Sat 12/275:40 amALO - DCA
1 stop6h 11mAmerican Airlines
Deal found 12/14$609
This American Airlines deal was found by Cheapflights users on 12/15. 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 12/236:35 amIAD - ALO
2 stops18h 10mAmerican Airlines
Sat 12/275:40 amALO - IAD
2 stops17h 24mAmerican Airlines
Deal found 12/15$786

Find flight deals from District of Columbia to Waterloo

Keep the following information in mind while searching for District of Columbia to Waterloo flight deals. Data was last updated December 18, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$786
(American Airlines)
Provider with most accurate pricing for Washington, D.C. (WAS)-Waterloo flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Waterloo flights.
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From District of Columbia to Waterloo
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Cheapflights Fare Finder

 
Customize your flight search to find flights from District of Columbia to Waterloo 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 December 18, 2025.
Use the filters below to find and compare flights from District of Columbia to Waterloo that are best for you.

Fly from

District of Columbia

Fly to

Waterloo

Route

Depart

Return

Price

Washington, D.C.Waterloo

DCA - ALO

DCAALO

Washington, D.C. Reagan-National

Tue 12/23

5:41 pm-11:45 pm

1 stop7h 04m

Waterloo

Sat 12/27

5:40 am-12:51 pm

1 stop6h 11m

$609

Washington, D.C.Waterloo

IAD - ALO

IADALO

Washington, D.C. Dulles Intl

Tue 12/23

6:35 am-11:45 pm

2 stops18h 10m

Waterloo

Sat 12/27

5:40 am-12:04 am

2 stops17h 24m

$786

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Best time to book a flight from District of Columbia to Waterloo

Have a flexible travel schedule? Discover the best time to fly to Waterloo from District of Columbia 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 District of Columbia to Waterloo

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

Currently, August is the cheapest month in which you can book a flight from District of Columbia to Waterloo, Iowa (average of $74). Flying from District of Columbia to Waterloo, Iowa in January is currently the most expensive (average of $262). 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 District of Columbia to Waterloo. 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 into for flights to Waterloo from District of Columbia?

    Waterloo (ALO) is the airport you will fly into if you book a flight from District of Columbia to Waterloo. It is only a 5.3 mi journey from Waterloo (ALO) to Waterloo’s city center.

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

    American Airlines can get you from District of Columbia to Waterloo, Iowa in just under 7h 04m. Your travel time can differ by up to . The distance from District of Columbia to Waterloo, Iowa is about 842 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from District of Columbia to Waterloo 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 District of Columbia to Waterloo, Iowa?

    Currently, August is the cheapest month in which you can book a flight from District of Columbia to Waterloo, Iowa (average of $74). Flying from District of Columbia to Waterloo, Iowa in January is currently the most expensive (average of $262). 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

Traveling to a place near Waterloo?

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Cedar Falls

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Top airline flying from District of Columbia to Waterloo

Discover the top airline that operate flights from District of Columbia to Waterloo. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$328Average$398FlexibilityNo cancel feeOn-time71%

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