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 $264 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 - Baltimore/Washington. You may also consider Waterloo - Washington, D.C. Dulles Intl or Waterloo - Washington, D.C. Reagan-National.

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 Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Waterloo, Iowa-Washington, D.C. flight deals on Cheapflights vs. Expedia <90% 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 Expedia the most. Expedia 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.

$264+ Flights from Waterloo, IA to Washington, D.C.

Q: 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.

Q: E

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.

Q: E

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).

Q: E

Most trusted provider : When it comes to deals on Waterloo, Iowa-Washington, D.C. flights, Cheapflights users trust Expedia the most. Expedia 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.

Q: 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.

Q: 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.

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3. Compare prices and book

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

Most accurate provider	Expedia 1 star
Most trusted provider	Expedia 3 stars
Round-trip from	$264 (American Airlines)

Provider with most accurate pricing for Waterloo-Washington, D.C. (WAS) flight deals.

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Provider most trusted by Cheapflights users for Waterloo-Washington, D.C. (WAS) flights.

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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 April 11, 2025.

Fri 4/252:54 pmALO - BWI

2 stops8h 30mAmerican Airlines

Tue 4/296:14 pmBWI - ALO

1 stop4h 48mAmerican Airlines

Deal found 4/10

$264

Fri 4/252:54 pmALO - DCA

1 stop6h 21mAmerican Airlines

Tue 4/295:59 pmDCA - ALO

1 stop5h 03mAmerican Airlines

Deal found 4/10

$506

Fri 4/252:54 pmALO - IAD

2 stops8h 02mAmerican Airlines

Tue 4/292:12 pmIAD - ALO

2 stops8h 50mAmerican Airlines

Deal found 4/10

$516

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 April 11, 2025.

Fri 4/252:54 pmALO - BWI

2 stops8h 30mAmerican Airlines

Tue 4/296:14 pmBWI - ALO

1 stop4h 48mAmerican Airlines

Deal found 4/10

$264

Fri 4/252:54 pmALO - DCA

1 stop6h 21mAmerican Airlines

Tue 4/295:59 pmDCA - ALO

1 stop5h 03mAmerican Airlines

Deal found 4/10

$506

Fri 4/252:54 pmALO - IAD

2 stops8h 02mAmerican Airlines

Tue 4/292:12 pmIAD - ALO

2 stops8h 50mAmerican Airlines

Deal found 4/10

$516

Last-minute flights from Waterloo to Washington, D.C.
Discover last-minute flight deals from Waterloo to Washington, D.C.. Data last updated April 11, 2025 and is based on user searches.

Fri 4/252:54 pmALO - BWI

2 stops8h 30mAmerican Airlines

Tue 4/296:14 pmBWI - ALO

1 stop4h 48mAmerican Airlines

Deal found 4/10

$264

Fri 4/252:54 pmALO - DCA

1 stop6h 21mAmerican Airlines

Tue 4/295:59 pmDCA - ALO

1 stop5h 03mAmerican Airlines

Deal found 4/10

$506

Fri 4/252:54 pmALO - IAD

2 stops8h 02mAmerican Airlines

Tue 4/292:12 pmIAD - ALO

2 stops8h 50mAmerican Airlines

Deal found 4/10

$516

Cheapflights Fare Finder

Use the filters below to find and compare flights from Waterloo to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

WaterlooBaltimore

ALO - BWI

ALOBWI

Waterloo

Fri 4/25

2:54 pm-12:24 am

2 stops8h 30m

Baltimore/Washington

Tue 4/29

6:14 pm-10:02 pm

1 stop4h 48m

$264

WaterlooWashington, D.C.

ALO - DCA

ALODCA

Waterloo

Fri 4/25

2:54 pm-10:15 pm

1 stop6h 21m

Washington, D.C. Reagan-National

Tue 4/29

5:59 pm-10:02 pm

1 stop5h 03m

$506

WaterlooWashington, D.C.

ALO - IAD

ALOIAD

Waterloo

Fri 4/25

2:54 pm-11:56 pm

2 stops8h 02m

Washington, D.C. Dulles Intl

Tue 4/29

2:12 pm-10:02 pm

2 stops8h 50m

$516

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/10

Most accurate provider: When it comes to deals on Waterloo, Iowa-Washington, D.C. flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Waterloo, Iowa-Washington, D.C. flight deals on Cheapflights vs. Expedia <90% 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 Expedia the most. Expedia 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.

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

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

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.

American Airlines

7.2

Good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Apr 2025

MYR - CLT

This flight was impacted by a nearly 4, yes 4 hour delay. They replaced a 777 with another one and it had to be cleaned and catered before we could depart. Great crew did it without complaint.

American Airlines

7.2

Good

10,000 reviews

American Airlines

7.2

Good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Apr 2025

MYR - CLT

This flight was impacted by a nearly 4, yes 4 hour delay. They replaced a 777 with another one and it had to be cleaned and catered before we could depart. Great crew did it without complaint.

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.
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 $264 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 - Baltimore/Washington. You may also consider Waterloo - Washington, D.C. Dulles Intl or Waterloo - Washington, D.C. Reagan-National.
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.

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$264+ 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 4/25. 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

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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

Most accurate provider

Most trusted provider

Round-trip from

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 April 11, 2025.

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 April 11, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Waterloo to Washington, D.C. that are best for you.

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.

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.?

Rainfall in Washington, D.C. by month

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

Temperature in Washington, D.C. by month

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

Reviews of airlines servicing Washington, D.C.

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.?

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

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.?

What is the cheapest month to book a flight from Waterloo, Iowa 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 April 11, 2025.