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 12h 03m. American Airlines provides one of the quickest options available for as low as $569. There are 842 mi between Waterloo, Iowa and Washington, D.C..

In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C., use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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.

What is the cheapest time of day to fly from ALO to WAS?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Waterloo, Iowa to Washington, D.C. as you normally would.

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.

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.

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.

$569+ Cheap Flights from Waterloo, IA to Washington, D.C.

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Cheap flight deals from Waterloo to Washington, D.C.

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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 August 20, 2026.

Thu 9/245:00 am -

1 stop12h 03m

Sun 9/278:40 am -

1 stop7h 15m

Deal found 8/17

$569

Mon 11/25:00 am -

2 stops14h 54m

Wed 11/47:00 am -

2 stops17h 59m

Deal found 8/19

$660

Thu 9/245:00 am -

1 stop7h 05m

Sun 9/276:16 pm -

1 stop6h 43m

Deal found 8/17

$677

Find flight deals from Waterloo to Washington, D.C.

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$569 (American Airlines)

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Route

Depart

Return

Price

Cheapest round-trip

WaterlooWashington, D.C.

ALO Waterloo - DCA Washington, D.C. Reagan-National

ALODCA

Waterloo

Thu 9/24

5:00 am-6:03 pm

1 stop12h 03m

Washington, D.C. Reagan-National

Sun 9/27

8:40 am-2:55 pm

1 stop7h 15m

$569

Quickest round-trip

WaterlooBaltimore

ALO Waterloo - BWI Baltimore/Washington

ALOBWI

Waterloo

Thu 9/24

5:00 am-1:05 pm

1 stop7h 05m

Baltimore/Washington

Sun 9/27

6:16 pm-11:59 pm

1 stop6h 43m

$677

WaterlooWashington, D.C.

ALO Waterloo - IAD Washington, D.C. Dulles Intl

ALOIAD

Waterloo

Mon 11/2

5:00 am-4:43 pm

3 stops10h 43m

Washington, D.C. Dulles Intl

Wed 11/4

10:44 am-11:59 pm

2 stops14h 15m

$1,037

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/17

Sorted by cheapest first

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.

ALO-WAS

ALO-DCA

ALO-BWI

ALO-IAD

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.

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Everything you need to know about your flight from Waterloo to Washington, D.C.

ALO-WAS

ALO-DCA

ALO-BWI

ALO-IAD

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

Related info for your journey

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 12h 03m. American Airlines provides one of the quickest options available for as low as $569. 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.

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$569+ 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 9/24. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Waterloo to Washington, D.C. with Cheapflights

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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 August 20, 2026.

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 August 20, 2026.

Best flights from Waterloo to Washington, D.C.Discover carefully curated flight deals from Waterloo to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 20, 2026.

Discover carefully curated flight deals from Waterloo to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 20, 2026.

Last-minute flights from Waterloo to Washington, D.C.Discover last-minute flight deals from Waterloo to Washington, D.C.. Data last updated August 20, 2026 and is based on user searches.

Discover last-minute flight deals from Waterloo to Washington, D.C.. Data last updated August 20, 2026 and is based on user searches.

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Related info for your journey

What airport do you fly from for flights from Waterloo to Washington, D.C.?

How long is the flight from Waterloo, Iowa to Washington, D.C.?

What are the most popular routes from Waterloo, Iowa to Washington, D.C.?

Can I find deals for flights from Waterloo to Washington, D.C. that include hotel bookings?

How can I find direct flights from Waterloo to Washington, D.C.?

Can I find deals for business class flights from Waterloo to Washington, D.C.?

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

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Waterloo and Washington, D.C. flights

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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 August 20, 2026.

Best flights from Waterloo to Washington, D.C.
Discover carefully curated flight deals from Waterloo to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 20, 2026.

Last-minute flights from Waterloo to Washington, D.C.
Discover last-minute flight deals from Waterloo to Washington, D.C.. Data last updated August 20, 2026 and is based on user searches.