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Washington, D.C.

$471+ 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 8/13. Fares are subject to change and may not be available on all flights or dates of travel.
ALO — WAS
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$471
(American Airlines)
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 June 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/11. 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.
Wed 8/136:00 amALO - BWI
1 stop4h 52mAmerican Airlines
Sun 8/176:20 pmBWI - ALO
1 stop6h 17mAmerican Airlines
Deal found 6/11$471
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Wed 8/63:13 pmALO - DCA
1 stop6h 02mAmerican Airlines
Sun 8/1010:55 amDCA - ALO
1 stop4h 48mAmerican Airlines
Deal found 6/10$482
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Wed 8/63:13 pmALO - IAD
2 stops6h 43mAmerican Airlines
Sun 8/106:34 amIAD - ALO
2 stops9h 09mAmerican Airlines
Deal found 6/10$492

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 June 12, 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

Wed 8/13

6:00 am-11:52 am

1 stop4h 52m

Baltimore/Washington

Sun 8/17

6:20 pm-11:37 pm

1 stop6h 17m

$471

WaterlooWashington, D.C.

ALO - DCA

ALODCA

Waterloo

Wed 8/6

3:13 pm-10:15 pm

1 stop6h 02m

Washington, D.C. Reagan-National

Sun 8/10

10:55 am-2:43 pm

1 stop4h 48m

$482

WaterlooWashington, D.C.

ALO - IAD

ALOIAD

Waterloo

Wed 8/6

3:13 pm-10:56 pm

2 stops6h 43m

Washington, D.C. Dulles Intl

Sun 8/10

6:34 am-2:43 pm

2 stops9h 09m

$492

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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, August is the cheapest month in which you can book a flight from Waterloo, Iowa to Washington, D.C. (average of $241). Flying from Waterloo, Iowa to Washington, D.C. in March is currently the most expensive (average of $290). 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.

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

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.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington, D.C.. Reviews last updated June 12, 2025.
American Airlines
7.2
Good
10,000 reviews

Boarding

7.5

Food

6.5

Crew

8.0

Comfort

7.2

Overall

7.2

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Andrew,May 2025

LAX - MIA

2 hour delay. Discovered an engine problem late, we boarded the plane and they asked us to come off. To add insult to injury nothing was given to passengers to make amends. No free drink. No extra food or snacks. No free WiFi. Gimme a break
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Boarding

7.5

Food

6.5

Crew

8.0

Comfort

7.2

Overall

7.2

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Andrew,May 2025

LAX - MIA

2 hour delay. Discovered an engine problem late, we boarded the plane and they asked us to come off. To add insult to injury nothing was given to passengers to make amends. No free drink. No extra food or snacks. No free WiFi. Gimme a break

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.

  • What is the cheapest airline to fly from Waterloo, Iowa to Washington, D.C. round-trip?

    Our cheapest airline available from Waterloo, Iowa to Washington, D.C. is American Airlines. Our recent data shows that you can find tickets from as low as $471 on this airline.

  • 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 - Washington, D.C. Reagan-National or Waterloo - Baltimore/Washington.

  • 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, August is the cheapest month in which you can book a flight from Waterloo, Iowa to Washington, D.C. (average of $241). Flying from Waterloo, Iowa to Washington, D.C. in March is currently the most expensive (average of $290). 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 Waterloo?

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