HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
District of Columbia

$454+ 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 12/24. Fares are subject to change and may not be available on all flights or dates of travel.
ALO — IAD
janv. 17 — janv. 241
sam. 1/17
sam. 1/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Waterloo to District of Columbia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 décembre 18, 2025.

This American Airlines deal was found by Cheapflights users on 12/17. 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.
jeu. 12/185:50 amALO - DCA
1 stop6h 01mAmerican Airlines
ven. 12/196:26 pmDCA - ALO
1 stop6h 19mAmerican Airlines
Deal found 12/17$1,221

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 décembre 18, 2025.

Most accurate provider

Expedia
2 stars

Most trusted provider

Expedia
3 stars
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

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 décembre 18, 2025.
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 - IAD

ALOIAD

Waterloo

mer. 12/24

5:40 am-4:01 pm

2 stops9h 21m

$454

WaterlooWashington, D.C.

ALO - IAD

ALOIAD

Waterloo

jeu. 12/25

5:40 am-1:27 pm

2 stops6h 47m

$501

WaterlooWashington, D.C.

ALO - IAD

ALOIAD

Waterloo

mar. 12/23

5:50 am-1:27 pm

2 stops6h 37m

$555

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

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.

  • 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Waterloo to District of Columbia

See prices for flight routes from nearby airports that may be better suited for you.
Omaha to Sky Harbor Intl flights
Omaha to Orlando flights
Cedar Rapids to Sky Harbor Intl flights
Des Moines to Sky Harbor Intl flights
Des Moines to Denver flights
Omaha to Las Vegas flights
Omaha to Denver flights
Cedar Rapids to Orlando flights
Des Moines to Orlando flights
Des Moines to Dallas/Fort Worth flights
Omaha to Dallas/Fort Worth flights
Des Moines to LaGuardia flights
Omaha to Miami flights
Cedar Rapids to Dallas/Fort Worth flights
Des Moines to Miami flights
Omaha to John F Kennedy Intl flights
Cedar Rapids to Denver flights
Omaha to LaGuardia flights
Omaha to Newark flights
Des Moines to Tampa flights
Des Moines to John F Kennedy Intl flights
Des Moines to Los Angeles flights
Omaha to Hobby flights
Des Moines to Hobby flights
Omaha to Atlanta flights
Omaha to Los Angeles flights
Cedar Rapids to Las Vegas flights
Cedar Rapids to Fort Myers flights
Des Moines to Las Vegas flights
Omaha to O'Hare Intl flights
Moline to Tampa flights
Omaha to Tampa flights
Cedar Rapids to Tampa flights
Omaha to Seattle flights
Omaha to Honolulu flights
Cedar Rapids to Miami flights
Moline to Dallas/Fort Worth flights
Moline to Orlando flights
Des Moines to George Bush Intcntl flights
Moline to Sky Harbor Intl flights
Des Moines to Seattle flights
Omaha to George Bush Intcntl flights
Moline to Denver flights
Des Moines to Honolulu flights
Cedar Rapids to Phoenix-Mesa Gateway flights
Omaha to San Francisco flights
Des Moines to Atlanta flights
Moline to Fort Myers flights
Omaha to Kahului flights
Omaha to Love Field flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.