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$515+ 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 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
ALO — IAD
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap 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 December 12, 2025.

This American Airlines deal was found by Cheapflights users on 12/10. 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 12/193:12 pmALO - IAD
2 stops7h 52mAmerican Airlines
Sat 1/177:01 amIAD - ALO
2 stops10h 34mAmerican Airlines
Deal found 12/10$564
This American Airlines deal was found by Cheapflights users on 12/11. 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 12/265:40 amALO - DCA
1 stop4h 16mAmerican Airlines
Tue 12/307:50 pmDCA - ALO
1 stop4h 55mAmerican Airlines
Deal found 12/11$581
This American Airlines deal was found by Cheapflights users on 12/10. 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 12/193:12 pmALO - IAD
2 stops7h 52mAmerican Airlines
Fri 1/1611:34 amIAD - ALO
2 stops11h 49mAmerican Airlines
Deal found 12/10$597
This American Airlines deal was found by Cheapflights users on 12/10. 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 12/203:12 pmALO - IAD
2 stops7h 52mAmerican Airlines
Sun 1/46:35 amIAD - ALO
2 stops9h 04mAmerican Airlines
Deal found 12/10$659
This American Airlines deal was found by Cheapflights users on 12/10. 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 12/156:00 amALO - IAD
2 stops6h 34mAmerican Airlines
Sun 1/46:35 amIAD - ALO
2 stops9h 04mAmerican Airlines
Deal found 12/10$667
This American Airlines deal was found by Cheapflights users on 12/10. 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 12/195:50 amALO - IAD
3 stops9h 09mAmerican Airlines
Sun 1/46:35 amIAD - ALO
2 stops9h 04mAmerican Airlines
Deal found 12/10$983
This American Airlines deal was found by Cheapflights users on 12/10. 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 12/183:12 pmALO - IAD
2 stops7h 52mAmerican Airlines
Sun 1/46:35 amIAD - ALO
3 stops9h 04mAmerican Airlines
Deal found 12/10$1,041

Find 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 December 12, 2025.

Most accurate provider

Expedia
2 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$515
(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

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 December 12, 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

Mon 4/20

6:05 am-2:20 pm

1 stop7h 15m

Washington, D.C. Reagan-National

Mon 4/27

5:59 pm-9:42 pm

1 stop4h 43m

$515

WaterlooWashington, D.C.

ALO - DCA

ALODCA

Waterloo

Fri 12/26

5:40 am-10:56 am

1 stop4h 16m

Washington, D.C. Reagan-National

Tue 12/30

7:50 pm-11:45 pm

1 stop4h 55m

$581

WaterlooWashington, D.C.

ALO - IAD

ALOIAD

Waterloo

Mon 4/20

2:45 pm-11:55 pm

2 stops8h 10m

Washington, D.C. Dulles Intl

Mon 4/27

8:53 am-2:27 pm

2 stops6h 34m

$731

WaterlooWashington, D.C.

ALO - DCA

ALODCA

Waterloo

Wed 3/4

6:00 am-12:44 pm

1 stop5h 44m

Washington, D.C. Reagan-National

Fri 3/6

9:35 am-1:38 pm

1 stop5h 03m

$944

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

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, November is the cheapest month in which you can book a flight from Waterloo, Iowa to District of Columbia (average of $181). 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 7h 15m. American Airlines provides one of the quickest options available for as low as $515. 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, November is the cheapest month in which you can book a flight from Waterloo, Iowa to District of Columbia (average of $181). 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

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