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

$502+ Cheap flights from Waterloo, IA (ALO) to District of Columbia

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 12/13. Fares are subject to change and may not be available on all flights or dates of travel.
ALO — IAD
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 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

Keep the following information in mind while searching for Waterloo to District of Columbia flight deals. Data was last updated November 3, 2025.

Most accurate provider

Expedia
2 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$496
(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

Find 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 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.
Sat 12/133:26 pmALO - DCA
1 stop7h 30mAmerican Airlines
Tue 12/168:36 amDCA - ALO
2 stops12h 28mAmerican Airlines
Deal found 11/2$502
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 12/133:26 pmALO - IAD
2 stops7h 35mAmerican Airlines
Tue 12/1611:25 amIAD - ALO
2 stops9h 39mAmerican Airlines
Deal found 11/2$529
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.
Sat 11/226:00 amALO - IAD
2 stops9h 02mAmerican Airlines
Wed 11/266:44 amIAD - ALO
2 stops9h 03mAmerican Airlines
Deal found 11/3$633
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.
Wed 11/263:17 pmALO - IAD
2 stops7h 42mAmerican Airlines
Mon 12/11:58 pmIAD - ALO
2 stops10h 50mAmerican Airlines
Deal found 11/2$688
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.
Thu 11/276:00 amALO - IAD
2 stops25h 41mAmerican Airlines
Mon 12/18:09 pmIAD - ALO
2 stops28h 39mAmerican Airlines
Deal found 11/2$728
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.
Sun 11/303:17 pmALO - DCA
1 stop6h 34mAmerican Airlines
Sun 12/79:45 amDCA - ALO
1 stop6h 11mAmerican Airlines
Deal found 11/1$729
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.
Sun 11/303:17 pmALO - IAD
2 stops7h 42mAmerican Airlines
Sun 12/79:15 amIAD - ALO
2 stops6h 41mAmerican Airlines
Deal found 11/1$765
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.
Wed 11/263:17 pmALO - IAD
2 stops7h 42mAmerican Airlines
Sun 11/305:10 amIAD - ALO
2 stops10h 37mAmerican Airlines
Deal found 11/3$895
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.
Thu 11/276:00 amALO - IAD
2 stops25h 41mAmerican Airlines
Sun 11/308:05 pmIAD - ALO
2 stops28h 43mAmerican Airlines
Deal found 11/2$927
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 11/46:00 amALO - DCA
1 stop4h 00mAmerican Airlines
Thu 11/69:45 amDCA - ALO
1 stop6h 13mAmerican Airlines
Deal found 11/3$944
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 11/46:00 amALO - IAD
2 stops6h 35mAmerican Airlines
Thu 11/69:12 amIAD - ALO
2 stops6h 46mAmerican Airlines
Deal found 11/3$954

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 November 3, 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 - DCA

ALODCA

Waterloo

Sat 12/13

3:26 pm-10:59 pm

1 stop6h 33m

Washington, D.C. Reagan-National

Tue 12/16

8:36 am-8:04 pm

2 stops12h 28m

$502

WaterlooWashington, D.C.

ALO - IAD

ALOIAD

Waterloo

Sat 12/13

3:26 pm-12:01 am

2 stops7h 35m

Washington, D.C. Dulles Intl

Tue 12/16

11:25 am-8:04 pm

2 stops9h 39m

$529

WaterlooWashington, D.C.

ALO - IAD

ALOIAD

Waterloo

Sat 11/22

6:00 am-11:59 pm

3 stops16h 59m

Washington, D.C. Dulles Intl

Wed 11/26

6:44 am-2:47 pm

2 stops9h 03m

$664

WaterlooWashington, D.C.

ALO - IAD

ALOIAD

Waterloo

Wed 11/26

3:17 pm-11:59 pm

2 stops7h 42m

Washington, D.C. Dulles Intl

Mon 12/1

1:58 pm-11:48 pm

2 stops10h 50m

$688

WaterlooWashington, D.C.

ALO - IAD

ALOIAD

Waterloo

Thu 11/27

6:00 am-8:41 am

2 stops25h 41m

Washington, D.C. Dulles Intl

Mon 12/1

8:09 pm-2:50 pm

2 stops19h 41m

$728

WaterlooWashington, D.C.

ALO - DCA

ALODCA

Waterloo

Sun 11/30

3:17 pm-10:51 pm

1 stop6h 34m

Washington, D.C. Reagan-National

Sun 12/7

9:45 am-2:56 pm

1 stop6h 11m

$729

WaterlooWashington, D.C.

ALO - IAD

ALOIAD

Waterloo

Sun 11/30

3:17 pm-11:59 pm

2 stops7h 42m

Washington, D.C. Dulles Intl

Sun 12/7

9:15 am-2:56 pm

2 stops6h 41m

$765

WaterlooWashington, D.C.

ALO - IAD

ALOIAD

Waterloo

Wed 11/26

3:17 pm-11:59 pm

2 stops7h 42m

Washington, D.C. Dulles Intl

Sun 11/30

1:58 pm-11:48 pm

2 stops10h 50m

$895

WaterlooWashington, D.C.

ALO - IAD

ALOIAD

Waterloo

Thu 11/27

6:00 am-8:41 am

2 stops25h 41m

Washington, D.C. Dulles Intl

Sun 11/30

8:05 pm-11:48 pm

2 stops28h 43m

$927

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/1

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, March is the cheapest month in which you can book a flight from Waterloo, Iowa to District of Columbia (average of $184). 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 33m. American Airlines provides one of the quickest options available for as low as $502. 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, March is the cheapest month in which you can book a flight from Waterloo, Iowa to District of Columbia (average of $184). 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 Denver flights
Omaha to LaGuardia flights
Omaha to Orlando flights
Des Moines to Denver flights
Des Moines to LaGuardia flights
Des Moines to Sky Harbor Intl flights
Des Moines to John F Kennedy Intl flights
Des Moines to Dallas/Fort Worth flights
Omaha to John F Kennedy Intl flights
Omaha to Sky Harbor Intl flights
Des Moines to Las Vegas flights
Cedar Rapids to Orlando flights
Des Moines to Orlando flights
Omaha to Los Angeles flights
Omaha to O'Hare Intl flights
Cedar Rapids to Denver flights
Cedar Rapids to Sky Harbor Intl flights
Omaha to Newark flights
Omaha to Sarasota flights
Omaha to Las Vegas flights
Omaha to Atlanta flights
Cedar Rapids to Dallas/Fort Worth flights
Omaha to Miami flights
Cedar Rapids to Las Vegas flights
Des Moines to Miami flights
Des Moines to Reagan-National flights
Omaha to Dallas/Fort Worth flights
Des Moines to Los Angeles flights
Cedar Rapids to Los Angeles flights
Cedar Rapids to Nashville flights
Des Moines to Dulles Intl flights
Cedar Rapids to Atlanta flights
Omaha to Hobby flights
Moline to Orlando flights
Moline to Dallas/Fort Worth flights
Cedar Rapids to Hobby flights
Des Moines to Seattle flights
Omaha to Seattle flights
Des Moines to Hobby flights
Des Moines to Philadelphia flights
Cedar Rapids to Tampa flights
Cedar Rapids to John F Kennedy Intl flights
Moline to Denver flights
Omaha to Tampa flights
Cedar Rapids to Newark flights
Omaha to Nashville flights
Omaha to Boston flights
Omaha to George Bush Intcntl flights
Cedar Rapids to Sarasota flights
Des Moines to George Bush Intcntl 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.