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Reagan-National

$469+ Cheap flights from Waterloo, IA (ALO) to Reagan-National (DCA)

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 4/4. Fares are subject to change and may not be available on all flights or dates of travel.
ALO — DCA
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
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Cheap flight deals from Waterloo to Reagan-National

Cheapest flights from Waterloo to Reagan-National
Explore the most affordable flight options available from Waterloo to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2026.

This American Airlines deal was found by Cheapflights users on 1/19. 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 4/45:20 am
ALO
-
DCA
1 stop6h 19m
American Airlines
Wed 4/87:51 pm
DCA
-
ALO
1 stop4h 59m
American Airlines
Deal found 1/19$469
This American Airlines deal was found by Cheapflights users on 1/19. 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 2/43:23 pm
ALO
-
DCA
1 stop6h 32m
American Airlines
Sun 2/85:55 pm
DCA
-
ALO
1 stop5h 28m
American Airlines
Deal found 1/19$601
This American Airlines deal was found by Cheapflights users on 1/21. 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 5/122:20 pm
ALO
-
DCA
1 stop7h 39m
American Airlines
Fri 5/159:33 am
DCA
-
ALO
1 stop5h 15m
American Airlines
Deal found 1/21$964
This American Airlines deal was found by Cheapflights users on 1/21. 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 5/116:00 am
ALO
-
DCA
1 stop5h 38m
American Airlines
Fri 5/157:51 pm
DCA
-
ALO
1 stop4h 59m
American Airlines
Deal found 1/21$1,011

Find flight deals from Waterloo to Reagan-National

Discover tips and strategies to find the most affordable flight options for your journey from Waterloo (ALO) to Reagan-National (DCA). 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 January 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$469
(American Airlines)
Provider with most accurate pricing for Waterloo-Washington, D.C. Reagan-National flight deals.
Search Deals
Provider most trusted by Cheapflights users for Waterloo-Washington, D.C. Reagan-National flights.
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From Waterloo to Washington, D.C. Reagan-National
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Waterloo to Reagan-National 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 January 21, 2026.
Use the filters below to find and compare flights from Waterloo to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Waterloo

Fly to

Reagan-National

Route

Depart

Return

Price

WaterlooWashington, D.C.

ALO - DCA

ALODCA

Waterloo

Sat 4/4

5:20 am-12:39 pm

1 stop6h 19m

Washington, D.C. Reagan-National

Wed 4/8

7:51 pm-11:50 pm

1 stop4h 59m

$469

WaterlooWashington, D.C.

ALO - DCA

ALODCA

Waterloo

Wed 2/4

3:23 pm-10:55 pm

1 stop6h 32m

Washington, D.C. Reagan-National

Sun 2/8

5:55 pm-10:23 pm

1 stop5h 28m

$601

WaterlooWashington, D.C.

ALO - DCA

ALODCA

Waterloo

Tue 5/12

2:20 pm-10:59 pm

1 stop7h 39m

Washington, D.C. Reagan-National

Fri 5/15

4:43 pm-11:50 pm

2 stops8h 07m

$969

WaterlooWashington, D.C.

ALO - DCA

ALODCA

Waterloo

Mon 5/11

6:00 am-12:38 pm

1 stop5h 38m

Washington, D.C. Reagan-National

Fri 5/15

7:51 pm-11:50 pm

1 stop4h 59m

$1,011

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

  • Most accurate provider: When it comes to deals on Waterloo, Iowa-Washington, D.C. Reagan-National Airport 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. Reagan-National Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Waterloo, Iowa-Washington, D.C. Reagan-National Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Waterloo, Iowa-Washington, D.C. Reagan-National Airport 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. Reagan-National Airport 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 Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National 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. Reagan-National Airport

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

Currently, November is the cheapest month in which you can book a flight from Waterloo, Iowa to Washington, D.C. Reagan-National Airport (average of $181). Flying from Waterloo, Iowa to Washington, D.C. Reagan-National Airport in January is currently the most expensive (average of $346). 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 Reagan-National. 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. Reagan-National?

    Most people fly from Waterloo (ALO) if they book a flight from Waterloo to Washington, D.C. Reagan-National. On average, Waterloo has 0 outbound flights to Washington, D.C. Reagan-National per day from 0 airlines. Waterloo is conveniently located just 5.3 mi from Waterloo’s city center.

  • How long is the flight from Waterloo, Iowa to Washington, D.C. Reagan-National Airport?

    There are many flights that can get you from Waterloo, Iowa to Washington, D.C. Reagan-National Airport in 6h 19m. Fly via American Airlines to get the fastest option. Waterloo, Iowa and Washington, D.C. Reagan-National Airport are separated by a distance of 842 mi.

  • Can I find deals for flights from Waterloo to Reagan-National that include hotel bookings?

    Yes. In addition to deals on Waterloo to Reagan-National flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Waterloo to Reagan-National?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Waterloo to Reagan-National.

  • Can I find deals for business class flights from Waterloo to Reagan-National?

    Yes. Cheapflights offers flight deals from Waterloo to Reagan-National 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. Reagan-National Airport?

    Currently, November is the cheapest month in which you can book a flight from Waterloo, Iowa to Washington, D.C. Reagan-National Airport (average of $181). Flying from Waterloo, Iowa to Washington, D.C. Reagan-National Airport in January is currently the most expensive (average of $346). 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. Reagan-National Airport?

Book flights to Washington, D.C. Reagan-National Airport if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Hanover
Herndon
Fredericksburg
Linthicum Heights
Rockville
Laurel
Towson
Manassas
Largo
Bowie
McLean
Clinton
Upper Marlboro

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Alternative routes for Waterloo to Reagan-National

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