HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dulles Intl

$494+ Cheap flights from Waterloo, IA (ALO) to Dulles Intl (IAD)

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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
ALO — IAD
Dec 26 — Jan 21
Thu 12/26
Thu 1/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Waterloo to Dulles Intl with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Waterloo to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Waterloo (ALO) to Dulles Intl (IAD). 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 December 21, 2024.

Round-trip from

$494
(American Airlines)
From Waterloo to Washington, D.C. Dulles Intl
Search Deals

Find flight deals from Waterloo to Dulles Intl

Cheapest flights from Waterloo to Dulles Intl
Explore the most affordable flight options available from Waterloo to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 21, 2024.

This American Airlines deal was found by Cheapflights users on 12/20. 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.
Sun 12/2910:10 amALO - IAD
2 stops8h 30mAmerican Airlines
Fri 1/39:19 amIAD - ALO
2 stops8h 01mAmerican Airlines
Deal found 12/20$840

Find flights from Waterloo to Dulles Intl within your budget

Customize your flight search to find flights from Waterloo to Dulles Intl 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 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

WaterlooWashington, D.C.

ALO - IAD

ALOIAD

Waterloo

Mon 2/10

10:15 am-7:35 pm

2 stops8h 20m

Washington, D.C. Dulles Intl

Thu 2/13

9:12 am-6:00 pm

2 stops9h 48m

$494

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/20

Best time to book a flight from Waterloo to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl 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.

Travel insights for flights from Waterloo to Dulles Intl

Get recent, data-driven insights about flights from Waterloo to Dulles Intl including ideal travel times, pricing trends, and more.

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

Currently, August is the cheapest month in which you can book a flight from Waterloo, Iowa to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Waterloo, Iowa to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $389). 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 Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, 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 Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated December 21, 2024.
American Airlines
7.2
Good
10,000 reviews

Boarding

7.6

Overall

7.2

Entertainment

7.0

Crew

8.0

Comfort

7.2

Food

6.5

Reviews

1 / 10

Need to mentor not all but few staff on racism and ettiqutte. Because of one person all other get bad rating. One male steward of age was clearly ignoring his services to us, very bad. Hostesses serving our area were excellent.

American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Boarding

7.6

Overall

7.2

Entertainment

7.0

Crew

8.0

Comfort

7.2

Food

6.5

Reviews

1 / 10

Need to mentor not all but few staff on racism and ettiqutte. Because of one person all other get bad rating. One male steward of age was clearly ignoring his services to us, very bad. Hostesses serving our area were excellent.

Related info for your journey

Find useful and relevant information for your journey from Waterloo to Dulles Intl. 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. Dulles Intl?

    If you book a flight to Washington, D.C. Dulles Intl 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. Dulles Intl per day from 0 different airlines.

  • Can I find deals for flights from Waterloo to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Waterloo to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Waterloo to Dulles Intl?

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

  • Can I find deals for business class flights from Waterloo to Dulles Intl?

    Yes. Cheapflights offers flight deals from Waterloo to Dulles Intl 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. Dulles Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Waterloo, Iowa to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Waterloo, Iowa to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $389). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Waterloo to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
Omaha to Reagan-National flights
Des Moines to Reagan-National flights
Cedar Rapids to Reagan-National flights
Omaha to Dulles Intl flights
Des Moines to Dulles Intl flights
Cedar Rapids to Dulles Intl flights
Omaha to Baltimore flights
Cedar Rapids to Baltimore flights
Des Moines to Baltimore flights
Moline to Reagan-National flights
Moline to Dulles Intl flights
Moline to Baltimore flights
Sioux City to Dulles Intl flights
Sioux City to Reagan-National flights
Dubuque to Reagan-National flights
Waterloo to Reagan-National flights
La Crosse to Baltimore flights
Dubuque to Baltimore flights
Waterloo to Baltimore flights
La Crosse to Dulles Intl flights
La Crosse to Reagan-National flights
Sioux City to Baltimore flights
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.