HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Waterloo

$449+ Cheap flights from District of Columbia to Waterloo, IA (ALO)

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 12/20. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — ALO
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from District of Columbia to Waterloo 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 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 November 3, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$457
(American Airlines)

One-way from

$449
(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.
Search Deals
From District of Columbia to Waterloo
Search Deals
One-way flight from District of Columbia to Waterloo
Search Deals

Find 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 November 3, 2025.

This American Airlines deal was found by Cheapflights users on 11/2. 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 12/237:50 pmDCA - ALO
1 stop4h 55mAmerican Airlines
Sat 12/275:40 amALO - DCA
1 stop4h 16mAmerican Airlines
Deal found 11/2$484
This American Airlines deal was found by Cheapflights users on 11/2. 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 12/66:10 amDCA - ALO
2 stops18h 41mAmerican Airlines
Tue 12/96:00 amALO - DCA
2 stops14h 30mAmerican Airlines
Deal found 11/2$486
This American Airlines deal was found by Cheapflights users on 11/3. 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 11/183:25 pmDCA - ALO
1 stop5h 32mAmerican Airlines
Sat 11/226:00 amALO - DCA
2 stops7h 24mAmerican Airlines
Deal found 11/3$508
This American Airlines deal was found by Cheapflights users on 11/2. 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 12/66:25 amIAD - ALO
2 stops9h 31mAmerican Airlines
Wed 12/106:00 amALO - IAD
2 stops6h 34mAmerican Airlines
Deal found 11/2$529
This American Airlines deal was found by Cheapflights users on 11/2. 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 12/15:42 pmDCA - ALO
1 stop7h 06mAmerican Airlines
Mon 12/86:00 amALO - DCA
2 stops9h 00mAmerican Airlines
Deal found 11/2$571
This American Airlines deal was found by Cheapflights users on 11/3. 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.
Fri 11/77:59 amIAD - ALO
2 stops7h 59mAmerican Airlines
Mon 11/106:00 amALO - IAD
2 stops6h 35mAmerican Airlines
Deal found 11/3$599
This American Airlines deal was found by Cheapflights users on 11/3. 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 11/1811:25 amIAD - ALO
2 stops9h 32mAmerican Airlines
Sat 11/226:00 amALO - IAD
2 stops9h 02mAmerican Airlines
Deal found 11/3$633
This American Airlines deal was found by Cheapflights users on 11/3. 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 12/226:35 amIAD - ALO
2 stops9h 04mAmerican Airlines
Sun 12/285:40 amALO - IAD
2 stops6h 29mAmerican Airlines
Deal found 11/3$696
This American Airlines deal was found by Cheapflights users on 11/1. 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.
Tue 12/231:57 pmIAD - ALO
2 stops10h 48mAmerican Airlines
Sat 12/275:40 amALO - IAD
2 stops6h 47mAmerican Airlines
Deal found 11/1$697
This American Airlines deal was found by Cheapflights users on 11/2. 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 12/16:44 amIAD - ALO
2 stops9h 03mAmerican Airlines
Mon 12/86:00 amALO - IAD
2 stops6h 34mAmerican Airlines
Deal found 11/2$801
This American Airlines deal was found by Cheapflights users on 11/3. 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 11/42:16 pmIAD - ALO
2 stops6h 41mAmerican Airlines
Wed 11/56:00 amALO - IAD
2 stops6h 35mAmerican Airlines
Deal found 11/3$907
This American Airlines deal was found by Cheapflights users on 11/2. 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 11/177:59 amIAD - ALO
2 stops7h 59mAmerican Airlines
Fri 11/213:17 pmALO - IAD
2 stops7h 42mAmerican Airlines
Deal found 11/2$1,001

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 November 3, 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-10:56 am

1 stop4h 16m

$484

Washington, D.C.Waterloo

DCA - ALO

DCAALO

Washington, D.C. Reagan-National

Sat 12/6

6:10 am-11:51 pm

2 stops18h 41m

Waterloo

Tue 12/9

6:00 am-9:30 pm

2 stops14h 30m

$486

Washington, D.C.Waterloo

DCA - ALO

DCAALO

Washington, D.C. Reagan-National

Tue 11/18

3:25 pm-7:57 pm

1 stop5h 32m

Waterloo

Sat 11/22

6:00 am-2:24 pm

2 stops7h 24m

$508

Washington, D.C.Waterloo

IAD - ALO

IADALO

Washington, D.C. Dulles Intl

Sat 12/6

2:06 pm-11:51 pm

2 stops10h 45m

Waterloo

Wed 12/10

3:27 pm-11:08 pm

2 stops6h 41m

$529

Washington, D.C.Waterloo

IAD - ALO

IADALO

Washington, D.C. Dulles Intl

Tue 11/18

11:25 am-7:57 pm

2 stops9h 32m

Waterloo

Sat 11/22

6:00 am-4:02 pm

2 stops9h 02m

$633

Washington, D.C.Waterloo

IAD - ALO

IADALO

Washington, D.C. Dulles Intl

Mon 12/22

6:35 am-2:39 pm

2 stops9h 04m

Waterloo

Sun 12/28

5:40 am-1:09 pm

2 stops6h 29m

$696

Washington, D.C.Waterloo

IAD - ALO

IADALO

Washington, D.C. Dulles Intl

Tue 12/23

1:57 pm-11:45 pm

2 stops10h 48m

Waterloo

Sat 12/27

5:40 am-1:27 pm

2 stops6h 47m

$697

Washington, D.C.Waterloo

IAD - ALO

IADALO

Washington, D.C. Dulles Intl

Mon 12/1

6:44 am-2:47 pm

2 stops9h 03m

Waterloo

Mon 12/8

6:00 am-1:34 pm

2 stops6h 34m

$801

Washington, D.C.Waterloo

IAD - ALO

IADALO

Washington, D.C. Dulles Intl

Mon 11/17

7:59 am-2:58 pm

2 stops7h 59m

Waterloo

Fri 11/21

3:17 pm-11:59 pm

2 stops7h 42m

$1,001

Washington, D.C.Waterloo

DCA - ALO

DCAALO

Washington, D.C. Reagan-National

Sat 12/20

5:41 pm-11:45 pm

1 stop7h 04m

$449

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

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 April 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 April 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?

Book flights to Waterloo if you plan to visit one of these locations
Cedar Falls

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 District of Columbia to Waterloo

See prices for flight routes from nearby airports that may be better suited for you.
Salt Lake City to Cedar Rapids flights
Denver to Omaha flights
Dallas/Fort Worth to Des Moines flights
O'Hare Intl to Omaha flights
Denver to Des Moines flights
Denver to Cedar Rapids flights
LaGuardia to Omaha flights
Sky Harbor Intl to Des Moines flights
Dallas/Fort Worth to Omaha flights
Los Angeles to Omaha flights
Seattle to Omaha flights
John F Kennedy Intl to Omaha flights
Dulles Intl to Omaha flights
John F Kennedy Intl to Cedar Rapids flights
Baltimore to Omaha flights
John F Kennedy Intl to Des Moines flights
Dallas/Fort Worth to Cedar Rapids flights
San Francisco to Omaha flights
Denver to Moline flights
LaGuardia to Des Moines flights
Reagan-National to Omaha flights
Hobby to Des Moines flights
Newark to Omaha flights
Orlando to Omaha flights
Detroit to Omaha flights
Sky Harbor Intl to Omaha flights
Boston to Omaha flights
Reagan-National to Des Moines flights
Hobby to Omaha flights
San Francisco to Des Moines flights
Los Angeles to Des Moines flights
Minneapolis to Omaha flights
Portland to Omaha flights
Seattle to Cedar Rapids flights
Dulles Intl to Des Moines flights
Dallas/Fort Worth to Moline flights
LaGuardia to Cedar Rapids flights
Salt Lake City to Omaha flights
Reagan-National to Cedar Rapids flights
George Bush Intcntl to Des Moines flights
Newark to Cedar Rapids flights
Seattle to Des Moines flights
Dulles Intl to Cedar Rapids flights
Portland to Des Moines flights
Boston to Des Moines flights
Atlanta to Des Moines flights
Sky Harbor Intl to Cedar Rapids flights
Detroit to Des Moines flights
Ontario to Omaha flights
Love Field to Omaha flights

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 November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$328Average$398FlexibilityNo cancel feeOn-time71%

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.