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Washington, D.C.

$431+ 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 11/22. Fares are subject to change and may not be available on all flights or dates of travel.
ALO — WAS
dic. 3 — dic. 101
mié. 12/3
mié. 12/10
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 noviembre 3, 2025.

Most accurate provider

Expedia
2 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$431
(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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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 noviembre 3, 2025.

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.
sáb. 11/226:00 amALO - BWI
2 stops9h 56mAmerican Airlines
mié. 11/267:37 pmBWI - ALO
1 stop5h 11mAmerican Airlines
Deal found 11/3$431
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.
dom. 11/303:17 pmALO - BWI
2 stops8h 13mAmerican Airlines
dom. 12/77:29 pmBWI - ALO
1 stop5h 22mAmerican Airlines
Deal found 11/1$468
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.
mié. 11/263:17 pmALO - BWI
2 stops8h 13mAmerican Airlines
lun. 12/17:37 pmBWI - ALO
1 stop5h 11mAmerican Airlines
Deal found 11/2$488
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.
sáb. 12/133:26 pmALO - DCA
1 stop7h 30mAmerican Airlines
mar. 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.
sáb. 12/133:26 pmALO - IAD
2 stops7h 35mAmerican Airlines
mar. 12/1611:25 amIAD - ALO
2 stops9h 39mAmerican Airlines
Deal found 11/2$529
This American Airlines deal was found by Cheapflights users on 11/2. 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.
jue. 11/276:00 amALO - BWI
1 stop4h 14mAmerican Airlines
lun. 12/17:37 pmBWI - ALO
1 stop5h 11mAmerican Airlines
Deal found 11/2$547
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.
sáb. 11/226:00 amALO - IAD
2 stops9h 02mAmerican Airlines
mié. 11/266:44 amIAD - ALO
2 stops9h 03mAmerican Airlines
Deal found 11/3$633
This American Airlines deal was found by Cheapflights users on 11/3. 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.
mié. 11/263:17 pmALO - BWI
2 stops8h 13mAmerican Airlines
dom. 11/307:37 pmBWI - ALO
1 stop5h 11mAmerican Airlines
Deal found 11/3$639
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.
mié. 11/263:17 pmALO - IAD
2 stops7h 42mAmerican Airlines
lun. 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.
jue. 11/276:00 amALO - IAD
2 stops25h 41mAmerican Airlines
lun. 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.
dom. 11/303:17 pmALO - DCA
1 stop6h 34mAmerican Airlines
dom. 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.
dom. 11/303:17 pmALO - IAD
2 stops7h 42mAmerican Airlines
dom. 12/79:15 amIAD - ALO
2 stops6h 41mAmerican Airlines
Deal found 11/1$765

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 noviembre 3, 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

sáb. 3/7

6:00 am-4:21 pm

2 stops9h 21m

Baltimore/Washington

mié. 3/11

6:29 pm-10:01 pm

1 stop4h 32m

$463

WaterlooBaltimore

ALO - BWI

ALOBWI

Waterloo

mié. 11/26

3:17 pm-12:30 am

2 stops8h 13m

Baltimore/Washington

lun. 12/1

7:37 pm-11:48 pm

1 stop5h 11m

$488

WaterlooBaltimore

ALO - BWI

ALOBWI

Waterloo

sáb. 11/22

6:00 am-4:56 pm

2 stops9h 56m

Baltimore/Washington

mié. 11/26

6:30 am-2:47 pm

2 stops9h 17m

$500

WaterlooWashington, D.C.

ALO - DCA

ALODCA

Waterloo

sáb. 12/13

3:26 pm-10:59 pm

1 stop6h 33m

Washington, D.C. Reagan-National

mar. 12/16

8:36 am-8:04 pm

2 stops12h 28m

$502

WaterlooWashington, D.C.

ALO - IAD

ALOIAD

Waterloo

sáb. 12/13

3:26 pm-12:01 am

2 stops7h 35m

Washington, D.C. Dulles Intl

mar. 12/16

11:25 am-8:04 pm

2 stops9h 39m

$529

WaterlooBaltimore

ALO - BWI

ALOBWI

Waterloo

jue. 11/27

6:00 am-11:14 am

1 stop4h 14m

Baltimore/Washington

lun. 12/1

7:37 pm-11:48 pm

1 stop5h 11m

$547

WaterlooWashington, D.C.

ALO - IAD

ALOIAD

Waterloo

sáb. 11/22

6:00 am-11:59 pm

3 stops16h 59m

Washington, D.C. Dulles Intl

mié. 11/26

6:44 am-2:47 pm

2 stops9h 03m

$664

WaterlooWashington, D.C.

ALO - IAD

ALOIAD

Waterloo

mié. 11/26

3:17 pm-11:59 pm

2 stops7h 42m

Washington, D.C. Dulles Intl

lun. 12/1

1:58 pm-11:48 pm

2 stops10h 50m

$688

WaterlooWashington, D.C.

ALO - IAD

ALOIAD

Waterloo

jue. 11/27

6:00 am-8:41 am

2 stops25h 41m

Washington, D.C. Dulles Intl

lun. 12/1

8:09 pm-2:50 pm

2 stops19h 41m

$728

WaterlooWashington, D.C.

ALO - DCA

ALODCA

Waterloo

dom. 11/30

3:17 pm-10:51 pm

1 stop6h 34m

Washington, D.C. Reagan-National

dom. 12/7

9:45 am-2:56 pm

1 stop6h 11m

$729

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/1

Showing 1-10 of 13 results
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  • Most accurate provider: When it comes to deals on Waterloo, Iowa-Washington, D.C. flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Waterloo, Iowa-Washington, D.C. flight deals on Cheapflights vs. Expedia 90-95% 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 Expedia the most. Expedia 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.

What is the cheapest month to book a flight from Waterloo, Iowa to Washington, D.C.?

Currently, March is the cheapest month in which you can book a flight from Waterloo, Iowa to Washington, D.C. (average of $184). Flying from Waterloo, Iowa to Washington, D.C. 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 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 9h 21m. American Airlines provides one of the quickest options available for as low as $463. 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 - Washington, D.C. Dulles Intl. You may also consider Waterloo - Baltimore/Washington 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, March is the cheapest month in which you can book a flight from Waterloo, Iowa to Washington, D.C. (average of $184). Flying from Waterloo, Iowa to Washington, D.C. 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

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
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