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Washington, D.C.

$254+ Cheap flights from Waterloo, IA (ALO) to Washington, D.C. (WAS)

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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
ALO — WAS
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap 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 September 15, 2025.

Round-trip from

$349
(American Airlines)
From Waterloo to Washington, D.C. (WAS)
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Find 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 September 15, 2025.

This American Airlines deal was found by Cheapflights users on 9/13. 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 11/126:00 amALO - BWI
1 stop4h 22mAmerican Airlines
Tue 11/1811:09 amBWI - ALO
2 stops9h 48mAmerican Airlines
Deal found 9/13$254
This American Airlines deal was found by Cheapflights users on 9/13. 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 12/136:00 amALO - DCA
2 stops12h 00mAmerican Airlines
Tue 12/169:12 amDCA - ALO
2 stops11h 52mAmerican Airlines
Deal found 9/13$434
This American Airlines deal was found by Cheapflights users on 9/13. 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 11/123:28 pmALO - IAD
2 stops6h 39mAmerican Airlines
Tue 11/1811:25 amIAD - ALO
2 stops9h 32mAmerican Airlines
Deal found 9/13$459
This American Airlines deal was found by Cheapflights users on 9/12. 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 12/136:00 amALO - IAD
2 stops12h 31mAmerican Airlines
Tue 12/167:55 amIAD - ALO
2 stops13h 09mAmerican Airlines
Deal found 9/12$710
This American Airlines deal was found by Cheapflights users on 9/14. 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.
Sun 9/283:38 pmALO - BWI
1 stop7h 09mAmerican Airlines
Wed 10/111:23 amBWI - ALO
1 stop6h 06mAmerican Airlines
Deal found 9/14$851
This American Airlines deal was found by Cheapflights users on 9/14. 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.
Sun 9/283:38 pmALO - DCA
1 stop5h 22mAmerican Airlines
Tue 9/305:08 pmDCA - ALO
1 stop5h 57mAmerican Airlines
Deal found 9/14$904
This American Airlines deal was found by Cheapflights users on 9/14. 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.
Sun 9/283:38 pmALO - DCA
2 stops7h 17mAmerican Airlines
Wed 10/14:01 pmDCA - ALO
1 stop7h 04mAmerican Airlines
Deal found 9/14$909
This American Airlines deal was found by Cheapflights users on 9/14. 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.
Sun 9/286:01 amALO - IAD
2 stops9h 37mAmerican Airlines
Wed 10/12:21 pmIAD - ALO
2 stops8h 44mAmerican Airlines
Deal found 9/14$1,031

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 September 15, 2025.
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

WaterlooBaltimore

ALO - BWI

ALOBWI

Waterloo

Wed 11/12

6:00 am-11:22 am

1 stop4h 22m

Baltimore/Washington

Tue 11/18

11:09 am-7:57 pm

2 stops9h 48m

$254

WaterlooBaltimore

ALO - BWI

ALOBWI

Waterloo

Sat 3/7

2:51 pm-9:40 pm

1 stop5h 49m

Baltimore/Washington

Wed 3/11

6:29 pm-10:01 pm

1 stop4h 32m

$349

WaterlooWashington, D.C.

ALO - DCA

ALODCA

Waterloo

Sat 12/13

6:00 am-7:00 pm

2 stops12h 00m

Washington, D.C. Reagan-National

Tue 12/16

9:12 am-8:04 pm

2 stops11h 52m

$434

WaterlooWashington, D.C.

ALO - IAD

ALOIAD

Waterloo

Wed 11/12

3:28 pm-11:07 pm

2 stops6h 39m

Washington, D.C. Dulles Intl

Tue 11/18

11:25 am-7:57 pm

2 stops9h 32m

$459

WaterlooWashington, D.C.

ALO - IAD

ALOIAD

Waterloo

Sat 12/13

6:00 am-7:31 pm

2 stops12h 31m

Washington, D.C. Dulles Intl

Tue 12/16

7:55 am-8:04 pm

2 stops13h 09m

$710

WaterlooWashington, D.C.

ALO - DCA

ALODCA

Waterloo

Sun 9/28

6:01 am-11:00 am

1 stop3h 59m

Washington, D.C. Reagan-National

Wed 10/1

10:49 am-4:29 pm

1 stop6h 40m

$904

WaterlooWashington, D.C.

ALO - DCA

ALODCA

Waterloo

Sun 9/28

3:38 pm-10:00 pm

1 stop5h 22m

Washington, D.C. Reagan-National

Tue 9/30

5:08 pm-10:05 pm

1 stop5h 57m

$904

WaterlooWashington, D.C.

ALO - IAD

ALOIAD

Waterloo

Sun 9/28

6:01 am-4:38 pm

2 stops9h 37m

Washington, D.C. Dulles Intl

Wed 10/1

2:21 pm-10:05 pm

2 stops8h 44m

$1,031

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

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, August is the cheapest month in which you can book a flight from Waterloo, Iowa to Washington, D.C. (average of $292). Flying from Waterloo, Iowa to Washington, D.C. in April is currently the most expensive (average of $337). 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 4h 22m. American Airlines provides one of the quickest options available for as low as $254. There are 853 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 - Baltimore/Washington. You may also consider Waterloo - Washington, D.C. Dulles Intl or Waterloo - Washington, D.C. Reagan-National.

  • 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, August is the cheapest month in which you can book a flight from Waterloo, Iowa to Washington, D.C. (average of $292). Flying from Waterloo, Iowa to Washington, D.C. in April is currently the most expensive (average of $337). 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 Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Woodbridge
Alexandria
Arlington
Tysons
Silver Spring
Springfield
Gaithersburg
Fredericksburg
Linthicum Heights
Fairfax
Falls Church
Owings Mills
Manassas
Rockville
Hanover
Oxon Hill
Laurel
Towson
Dundalk
National Harbor

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