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

Prices for flights from Waterloo Airport to Washington, D.C. were last updated today.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Waterloo Airport to Washington, D.C..

What documentation or ID do you need to fly to Washington, D.C.?

The travel and health documents you'll need for your trip to Washington, D.C. may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C.. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$411 Cheap Flights from Waterloo to Washington, D.C. in 2025/26

1 adult

0 bags

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

Round-trip

One-way

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Cheap round-trip flights

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5:40 am - 11:15 am

ALO

BWI

4h 35m1 stop

7:59 pm - 11:45 pm

BWI

ALO

4h 46m1 stop

$585American Airlines

Tue, Dec 30 - Sat, Jan 3

5:40 am - 11:15 am

ALO

BWI

4h 35m1 stop

6:42 am - 2:39 pm

BWI

ALO

8h 57m2 stops

$590American Airlines

Tue, Dec 30 - Sat, Jan 3

5:40 am - 10:05 pm

ALO

BWI

15h 25m2 stops

6:42 am - 2:39 pm

BWI

ALO

8h 57m2 stops

$685American Airlines

Tue, Dec 30 - Sat, Jan 3

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

WaterlooBaltimore

ALO - BWI

ALOBWI

Waterloo

Tue 12/30

5:40 am-11:15 am

1 stop4h 35m

Baltimore/Washington

Sat 1/3

7:59 pm-11:45 pm

1 stop4h 46m

$585

WaterlooBaltimore

ALO - BWI

ALOBWI

Waterloo

Tue 12/30

5:40 am-11:15 am

1 stop4h 35m

Baltimore/Washington

Sat 1/3

6:42 am-2:39 pm

2 stops8h 57m

$590

WaterlooBaltimore

ALO - BWI

ALOBWI

Waterloo

Tue 12/30

5:40 am-10:05 pm

2 stops15h 25m

Baltimore/Washington

Sat 1/3

6:42 am-2:39 pm

2 stops8h 57m

$685

WaterlooBaltimore

ALO - BWI

ALOBWI

Waterloo

Wed 12/24

5:40 am-11:16 am

1 stop4h 36m

$411

WaterlooBaltimore

ALO - BWI

ALOBWI

Waterloo

Tue 12/23

5:50 am-5:02 pm

2 stops10h 12m

$416

WaterlooWashington, D.C.

ALO - IAD

ALOIAD

Waterloo

Wed 12/24

5:40 am-4:01 pm

2 stops9h 21m

$454

WaterlooBaltimore

ALO - BWI

ALOBWI

Waterloo

Mon 12/22

5:50 am-11:16 am

1 stop4h 26m

$481

WaterlooBaltimore

ALO - BWI

ALOBWI

Waterloo

Mon 12/22

3:12 pm-11:43 pm

2 stops7h 31m

$486

WaterlooWashington, D.C.

ALO - IAD

ALOIAD

Waterloo

Thu 12/25

5:40 am-1:27 pm

2 stops6h 47m

$501

WaterlooWashington, D.C.

ALO - IAD

ALOIAD

Waterloo

Tue 12/23

5:50 am-1:27 pm

2 stops6h 37m

$555

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 resultsSorted by cheapest first

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

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

What is the cheapest airline that flies from Waterloo to Washington, D.C.?

American Airlines is the most popular carrier operating from Waterloo to Washington, D.C.

What airlines fly to Washington, D.C.?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Washington, D.C. from Waterloo, Iowa according to our data. American Airlines is the first choice among our users, with 67% of people opting to fly with this airline when traveling to Washington, D.C.. Keep in mind that there are 4 different airlines that fly to Washington, D.C. on a routine basis, so you have a few additional options to choose from.

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

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

Estimated round-trip price

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

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

Fastest flight time	4h 35m
Direct flights	None

The fastest flight from Waterloo, Iowa to Washington, D.C. takes 4h 35m

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

Search flight deals

How far is Waterloo to Washington, D.C. by plane?
Washington, D.C. is 837.3 mi away from Waterloo. Typically, this will take 4h 35m by plane in normal conditions.
When did momondo last update prices for flights from Waterloo Airport to Washington, D.C.?
Prices for flights from Waterloo Airport to Washington, D.C. were last updated today.
How old do you have to be to fly from Waterloo Airport to Washington, D.C.?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Waterloo Airport to Washington, D.C..
What documentation or ID do you need to fly to Washington, D.C.?
The travel and health documents you'll need for your trip to Washington, D.C. may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C.. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Alexandria

National Harbor

Gettysburg

Arlington

Woodbridge

Waldorf

Tysons

Laurel

Colonial Beach

Silver Spring

Fredericksburg

Towson

Rockville

Gaithersburg

Reston

Manassas

Fairfax

Glen Burnie

Linthicum Heights

Bethesda

Why use momondo?

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

It is quick and easy to find Waterloo to Washington, D.C. flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington, D.C. that suits you.

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

All flight searches from Waterloo to Washington, D.C. on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential Waterloo to Washington, D.C. flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to Washington, D.C. from Waterloo. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.