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Washington, D.C.

$423+ Cheap flights from Waterloo, IA (ALO) to Washington, D.C. (WAS)

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 6/4. Fares are subject to change and may not be available on all flights or dates of travel.
ALO — WAS
Jun 16 — Jun 231
Tue 6/16
Tue 6/23
1 adult, Economy
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Cheap 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 May 17, 2026.

This American Airlines deal was found by Cheapflights users on 5/14. 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.
Sat 6/65:00 am
ALO
-
DCA
1 stop10h 29m
American Airlines
Mon 6/83:52 pm
DCA
-
ALO
1 stop9h 29m
American Airlines
Deal found 5/14$431
This American Airlines deal was found by Cheapflights users on 5/12. 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 6/65:00 am
ALO
-
BWI
1 stop17h 58m
American Airlines
Mon 6/86:03 am
BWI
-
ALO
1 stop9h 27m
American Airlines
Deal found 5/12$461
This American Airlines deal was found by Cheapflights users on 5/12. 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.
Fri 7/173:26 pm
ALO
-
DCA
1 stop16h 49m
American Airlines
Mon 7/201:59 pm
DCA
-
ALO
1 stop11h 30m
American Airlines
Deal found 5/12$489
This American Airlines deal was found by Cheapflights users on 5/16. 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 7/65:06 am
ALO
-
DCA
1 stop4h 53m
American Airlines
Fri 7/108:06 pm
DCA
-
ALO
1 stop5h 23m
American Airlines
Deal found 5/16$666
This American Airlines deal was found by Cheapflights users on 5/16. 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 7/63:23 pm
ALO
-
IAD
2 stops7h 47m
American Airlines
Fri 7/106:33 am
IAD
-
ALO
2 stops9h 20m
American Airlines
Deal found 5/16$681
This American Airlines deal was found by Cheapflights users on 5/16. 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 7/63:23 pm
ALO
-
BWI
1 stop8h 10m
American Airlines
Fri 7/108:13 pm
BWI
-
ALO
1 stop5h 16m
American Airlines
Deal found 5/16$689
This American Airlines deal was found by Cheapflights users on 5/13. 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.
Mon 5/182:23 pm
ALO
-
BWI
2 stops8h 33m
American Airlines
Tue 5/196:30 pm
BWI
-
ALO
1 stop6h 25m
American Airlines
Deal found 5/13$976

Find 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 May 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$431
(American Airlines)

One-way from

$423
(American Airlines)
Provider with most accurate pricing for Waterloo-Washington, D.C. (WAS) flight deals.
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Provider most trusted by Cheapflights users for Waterloo-Washington, D.C. (WAS) flights.
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From Waterloo to Washington, D.C. (WAS)
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One-way flight from Waterloo to Washington, D.C. (WAS)
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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 May 17, 2026.
Use the filters below to find and compare flights from Waterloo to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

WaterlooWashington, D.C.

ALO - DCA

ALODCA

Waterloo

Sat 6/6

5:00 am-4:29 pm

1 stop10h 29m

Washington, D.C. Reagan-National

Mon 6/8

3:52 pm-12:21 am

1 stop9h 29m

$431

WaterlooBaltimore

ALO - BWI

ALOBWI

Waterloo

Sat 6/6

5:00 am-11:58 pm

1 stop17h 58m

Baltimore/Washington

Mon 6/8

6:03 am-2:30 pm

1 stop9h 27m

$461

WaterlooWashington, D.C.

ALO - DCA

ALODCA

Waterloo

Fri 7/17

3:26 pm-9:15 am

1 stop16h 49m

Washington, D.C. Reagan-National

Mon 7/20

1:59 pm-12:29 am

1 stop11h 30m

$489
Quickest round-trip

WaterlooWashington, D.C.

ALO - DCA

ALODCA

Waterloo

Mon 7/6

5:06 am-10:59 am

1 stop4h 53m

Washington, D.C. Reagan-National

Fri 7/10

8:06 pm-12:29 am

1 stop5h 23m

$666

WaterlooWashington, D.C.

ALO - IAD

ALOIAD

Waterloo

Mon 7/6

3:23 pm-12:10 am

2 stops7h 47m

Washington, D.C. Dulles Intl

Fri 7/10

6:33 am-2:53 pm

2 stops9h 20m

$681

WaterlooBaltimore

ALO - BWI

ALOBWI

Waterloo

Mon 7/6

3:23 pm-12:33 am

1 stop8h 10m

Baltimore/Washington

Fri 7/10

8:13 pm-12:29 am

1 stop5h 16m

$689
Cheapest one-way

WaterlooWashington, D.C.

ALO - DCA

ALODCA

Waterloo

Thu 6/4

3:00 pm-6:03 pm

1 stop26h 03m

$423

WaterlooBaltimore

ALO - BWI

ALOBWI

Waterloo

Thu 6/4

3:00 pm-9:57 am

1 stop17h 57m

$423
Quickest one-way

WaterlooBaltimore

ALO - BWI

ALOBWI

Waterloo

Tue 6/2

5:00 am-10:02 am

1 stop4h 02m

$451

WaterlooWashington, D.C.

ALO - DCA

ALODCA

Waterloo

Sun 5/31

5:00 am-10:07 am

1 stop4h 07m

$455

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/15

Showing 1-10 of 19 resultsSorted by cheapest first
1
2
  • Most accurate provider: When it comes to deals on Waterloo, Iowa-Washington, D.C. flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Waterloo, Iowa-Washington, D.C. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Waterloo, Iowa-Washington, D.C. flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Waterloo, Iowa-Washington, D.C. flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Waterloo, Iowa-Washington, D.C. flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.
No data available for this route at this time. Please check back soon.

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 10h 29m. American Airlines provides one of the quickest options available for as low as $431. There are 842 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. Reagan-National or Waterloo - Washington, D.C. Dulles Intl.

  • 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.

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
Alexandria
Tysons
Owings Mills
Springfield
Arlington
Herndon
Rockville
Hyattsville
Manassas
Fredericksburg
Silver Spring
Hanover
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Reston

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