What airlines fly to Waterloo, Iowa?

American Airlines, Delta and United Airlines are the top three most popular airlines that fly to Waterloo, Iowa from Washington, D.C. according to our data. American Airlines is the first choice among our users, with 59% of people opting to fly with this airline when traveling to Waterloo, Iowa. Keep in mind that there are 4 different airlines that fly to Waterloo, Iowa on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Waterloo, Iowa?

Flight times vary depending on what airport in Washington, D.C. you fly out of and what airport in Waterloo, Iowa you fly into. For example, flying from Washington, D.C. to Des Moines takes 3h 44m on average. On the other hand, flying from Baltimore to Des Moines takes 4h 25m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

When did momondo last update prices for flights from Washington, D.C. to Waterloo Airport?

Prices for flights from Washington, D.C. to Waterloo Airport refresh daily.

How many operators does momondo search for flights from Washington, D.C. to Waterloo Airport?

There is 1 operator available for flights from Washington, D.C. to Waterloo Airport as of December 2025.

How old do you have to be to fly from Washington, D.C. to Waterloo Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Waterloo Airport.

What documentation or ID do you need to fly to Waterloo Airport?

The necessary travel and health documents for your Waterloo Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$294 Cheap Flights from Washington, D.C. to Waterloo in 2025/26

1 adult

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Find the cheapest flights from Washington, D.C. to Waterloo

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:05 am - 2:27 pm

IAD

ALO

10h 22m2 stops

2:45 pm - 11:55 pm

ALO

IAD

8h 10m2 stops

$492American Airlines

Fri, May 8 - Sat, May 9

7:59 pm - 11:45 pm

BWI

ALO

4h 46m1 stop

5:40 am - 11:15 am

ALO

BWI

4h 35m1 stop

$533American Airlines

Thu, Jan 1 - Sun, Jan 4

5:00 am - 2:39 pm

BWI

ALO

10h 39m2 stops

5:40 am - 11:15 am

ALO

BWI

4h 35m1 stop

$538American Airlines

Thu, Jan 1 - Sun, Jan 4

5:46 pm - 2:53 pm

IAD

ALO

22h 07m3 stops

6:00 am - 11:42 pm

ALO

IAD

16h 42m2 stops

$550American Airlines

Sat, Jan 17 - Sat, Jan 24

6:42 am - 2:39 pm

BWI

ALO

8h 57m2 stops

3:09 pm - 11:43 pm

ALO

BWI

7h 34m2 stops

$564American Airlines

Thu, Jan 1 - Sun, Jan 4

2:12 pm - 9:42 pm

IAD

ALO

8h 30m2 stops

6:05 am - 4:08 pm

ALO

IAD

9h 03m2 stops

$564American Airlines

Thu, May 7 - Sat, May 9

1:08 pm - 2:53 pm

IAD

ALO

26h 45m2 stops

6:00 am - 11:42 pm

ALO

IAD

16h 42m2 stops

$568American Airlines

Sat, Jan 17 - Sat, Jan 24

9:35 am - 2:53 pm

DCA

ALO

6h 18m1 stop

6:00 am - 11:00 am

ALO

DCA

4h 00m1 stop

$589American Airlines

Fri, Jan 16 - Mon, Jan 19

5:55 pm - 10:23 pm

DCA

ALO

5h 28m1 stop

6:00 am - 4:40 pm

ALO

DCA

9h 40m2 stops

$591American Airlines

Fri, Jan 16 - Mon, Jan 19

8:37 am - 2:53 pm

DCA

ALO

7h 16m2 stops

6:00 am - 4:40 pm

ALO

DCA

9h 40m2 stops

$596American Airlines

Fri, Jan 16 - Mon, Jan 19

American Airlines flights from Washington, D.C. to Waterloo, Iowa

Our best American Airlines deals on Washington, D.C. to Waterloo, Iowa flight tickets

American Airlines

Jan 16

BWI6:31 pmBaltimore/Washington

4h 52m

1 stop

ALO10:23 pmWaterloo

Jan 19

ALO6:00 amWaterloo

6h 56m

2 stops

BWI1:56 pmBaltimore/Washington

$294

Find similar

American Airlines

Dec 26

BWI7:59 pmBaltimore/Washington

4h 46m

1 stop

ALO11:45 pmWaterloo

Dec 27

ALO5:40 amWaterloo

4h 35m

1 stop

BWI11:15 amBaltimore/Washington

$419

Find similar

American Airlines

Dec 26

BWI6:42 amBaltimore/Washington

8h 57m

2 stops

ALO2:39 pmWaterloo

Dec 27

ALO5:40 amWaterloo

4h 35m

1 stop

BWI11:15 amBaltimore/Washington

$424

Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Waterloo

IAD - ALO

IADALO

Washington, D.C. Dulles Intl

Fri 5/8

5:05 am-2:27 pm

2 stops10h 22m

Waterloo

Sat 5/9

2:45 pm-11:55 pm

2 stops8h 10m

$492

BaltimoreWaterloo

BWI - ALO

BWIALO

Baltimore/Washington

Thu 1/1

7:59 pm-11:45 pm

1 stop4h 46m

Waterloo

Sun 1/4

5:40 am-11:15 am

1 stop4h 35m

$533

BaltimoreWaterloo

BWI - ALO

BWIALO

Baltimore/Washington

Thu 1/1

5:00 am-2:39 pm

2 stops10h 39m

Waterloo

Sun 1/4

5:40 am-11:15 am

1 stop4h 35m

$538

Washington, D.C.Waterloo

IAD - ALO

IADALO

Washington, D.C. Dulles Intl

Sat 1/17

5:46 pm-2:53 pm

3 stops22h 07m

Waterloo

Sat 1/24

6:00 am-11:42 pm

2 stops16h 42m

$550

BaltimoreWaterloo

BWI - ALO

BWIALO

Baltimore/Washington

Thu 1/1

6:42 am-2:39 pm

2 stops8h 57m

Waterloo

Sun 1/4

3:09 pm-11:43 pm

2 stops7h 34m

$564

Washington, D.C.Waterloo

IAD - ALO

IADALO

Washington, D.C. Dulles Intl

Thu 5/7

2:12 pm-9:42 pm

2 stops8h 30m

Waterloo

Sat 5/9

6:05 am-4:08 pm

2 stops9h 03m

$564

Washington, D.C.Waterloo

IAD - ALO

IADALO

Washington, D.C. Dulles Intl

Sat 1/17

1:08 pm-2:53 pm

2 stops26h 45m

Waterloo

Sat 1/24

6:00 am-11:42 pm

2 stops16h 42m

$568

Washington, D.C.Waterloo

DCA - ALO

DCAALO

Washington, D.C. Reagan-National

Fri 1/16

9:35 am-2:53 pm

1 stop6h 18m

Waterloo

Mon 1/19

6:00 am-11:00 am

1 stop4h 00m

$589

Washington, D.C.Waterloo

DCA - ALO

DCAALO

Washington, D.C. Reagan-National

Fri 1/16

5:55 pm-10:23 pm

1 stop5h 28m

Waterloo

Mon 1/19

6:00 am-4:40 pm

2 stops9h 40m

$591

Washington, D.C.Waterloo

DCA - ALO

DCAALO

Washington, D.C. Reagan-National

Fri 1/16

8:37 am-2:53 pm

2 stops7h 16m

Waterloo

Mon 1/19

6:00 am-4:40 pm

2 stops9h 40m

$596

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Washington, D.C. to Waterloo, Iowa

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest time of day to depart on your flight to Waterloo, Iowa?

Our data shows that the cheapest Washington, D.C. to Waterloo, Iowa flights are usually those with departure times in the morning. Our users have found flights to Waterloo, Iowa in the morning for as low as $573. Flights at noon are often more expensive with an average ticket price of $580.

Can stopping save me money on Washington, D.C. to Waterloo, Iowa flights?

You could potentially save up to 19% on your flight if you consider stops on a Washington, D.C. to Waterloo, Iowa flight.

When to book flights from Washington, D.C. to Waterloo, Iowa

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to Waterloo, Iowa according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Washington, D.C. to Waterloo, Iowa (WAS to ALO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Waterloo, Iowa

Fastest flight time	4h 46m
Direct flights	None

The fastest flight from Washington, D.C. to Waterloo, Iowa takes 4h 46m

There are no direct flights from Washington, D.C. to Waterloo, Iowa. There are no popular flight routes from Washington, D.C. to Waterloo, Iowa.

Search flight deals

How far is Washington, D.C. to Waterloo by plane?
Washington, D.C. and Waterloo are 837.3 mi apart from one another. By plane, this route typically takes 4h 46m.
When did momondo last update prices for flights from Washington, D.C. to Waterloo Airport?
Prices for flights from Washington, D.C. to Waterloo Airport refresh daily.
How many operators does momondo search for flights from Washington, D.C. to Waterloo Airport?
There is 1 operator available for flights from Washington, D.C. to Waterloo Airport as of December 2025.
How old do you have to be to fly from Washington, D.C. to Waterloo Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Waterloo Airport.
What documentation or ID do you need to fly to Waterloo Airport?
The necessary travel and health documents for your Waterloo Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Washington, D.C. to Waterloo, Iowa

Compare and see reviews for airlines that fly from Washington, D.C. to Waterloo, Iowa with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $328	Free Cancellation	Rating 7.2 11,054 reviews		Search American Airlines flights

Cedar Falls

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Why should I use momondo to find a flight deal from Washington, D.C. to Waterloo?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Waterloo from Washington, D.C..

Can I find flights from Washington, D.C. to Waterloo with flexible booking policies on momondo?

momondo does allow users to show only those flights to Waterloo from Washington, D.C. which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Washington, D.C. to Waterloo?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington, D.C. to Waterloo.

I’m not ready to book a flight from Washington, D.C. to Waterloo right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Waterloo, momondo offers a useful price alert feature which will track prices for flights to Waterloo from Washington, D.C. and alert you when they change.

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Cheap flights from Washington, D.C. to Waterloo from $492

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Waterloo departing on 5/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Filter for what you want

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American Airlines flights from Washington, D.C. to Waterloo, Iowa

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See travel insights to Waterloo from

How to get the cheapest flight ticket from Washington, D.C. to Waterloo, Iowa

What is the cheapest time of day to depart on your flight to Waterloo, Iowa?

Our data shows that the cheapest Washington, D.C. to Waterloo, Iowa flights are usually those with departure times in the morning. Our users have found flights to Waterloo, Iowa in the morning for as low as $573. Flights at noon are often more expensive with an average ticket price of $580.

Can stopping save me money on Washington, D.C. to Waterloo, Iowa flights?

You could potentially save up to 19% on your flight if you consider stops on a Washington, D.C. to Waterloo, Iowa flight.

What airlines fly to Waterloo, Iowa?

How long does it take to fly to Waterloo, Iowa?

When to book flights from Washington, D.C. to Waterloo, Iowa

Cheap Washington, D.C. to Waterloo, Iowa (WAS to ALO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Waterloo, Iowa

Fastest flight time

Direct flights

How far is Washington, D.C. to Waterloo by plane?

When did momondo last update prices for flights from Washington, D.C. to Waterloo Airport?

How many operators does momondo search for flights from Washington, D.C. to Waterloo Airport?

How old do you have to be to fly from Washington, D.C. to Waterloo Airport?

What documentation or ID do you need to fly to Waterloo Airport?

Best airlines flying from Washington, D.C. to Waterloo, Iowa

Compare and see reviews for airlines that fly from Washington, D.C. to Waterloo, Iowa with momondo

Traveling to a place near Waterloo?

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Waterloo?

Can I find flights from Washington, D.C. to Waterloo with flexible booking policies on momondo?

How can momondo help me find flights from Washington, D.C. to Waterloo?

I’m not ready to book a flight from Washington, D.C. to Waterloo right now. Can momondo alert me if prices change?

An easier way to manage your Waterloo, Iowa trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Iowa