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Cheap flights from Waterloo, Iowa to Washington, D.C. from $309

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Waterloo, Iowa to Washington, D.C. departing on 4/16. 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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Find the cheapest flights from Waterloo, Iowa to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
5:40 am - 11:11 am
ALO
-
BWI
4h 31m
1 stop
American Airlines Logo
7:52 pm - 11:49 pm
BWI
-
ALO
4h 57m
1 stop
$309American Airlines
Thu, Apr 16 - Sat, Apr 18
American Airlines Logo
5:40 am - 11:11 am
ALO
-
BWI
4h 31m
1 stop
American Airlines Logo
6:12 am - 1:50 pm
BWI
-
ALO
8h 38m
2 stops
$314American Airlines
Thu, Apr 16 - Sat, Apr 18
American Airlines Logo
5:20 am - 11:18 am
ALO
-
BWI
4h 58m
1 stop
American Airlines Logo
8:10 pm - 11:53 pm
BWI
-
ALO
4h 43m
1 stop
$399American Airlines
Sun, Mar 1 - Sat, Mar 7
American Airlines Logo
5:40 am - 2:41 pm
ALO
-
BWI
8h 01m
2 stops
American Airlines Logo
6:12 am - 1:50 pm
BWI
-
ALO
8h 38m
2 stops
$433American Airlines
Thu, Apr 16 - Sat, Apr 18
American Airlines Logo
5:40 am - 10:59 am
ALO
-
DCA
4h 19m
1 stop
American Airlines Logo
7:47 pm - 11:49 pm
DCA
-
ALO
5h 02m
1 stop
$502American Airlines
Thu, Apr 16 - Sat, Apr 18
American Airlines Logo
2:20 pm - 10:29 pm
ALO
-
DCA
7h 09m
2 stops
American Airlines Logo
9:46 am - 1:50 pm
DCA
-
ALO
5h 04m
1 stop
$507American Airlines
Thu, Apr 16 - Sat, Apr 18
American Airlines Logo
5:20 am - 3:21 pm
ALO
-
BWI
9h 01m
2 stops
American Airlines Logo
8:10 pm - 11:53 pm
BWI
-
ALO
4h 43m
1 stop
$511American Airlines
Tue, Mar 3 - Sat, Mar 7
American Airlines Logo
5:40 am - 1:59 pm
ALO
-
DCA
7h 19m
2 stops
American Airlines Logo
6:36 am - 1:50 pm
DCA
-
ALO
8h 14m
2 stops
$513American Airlines
Thu, Apr 16 - Sat, Apr 18
American Airlines Logo
3:15 pm - 11:58 pm
ALO
-
BWI
7h 43m
2 stops
American Airlines Logo
8:10 pm - 11:53 pm
BWI
-
ALO
4h 43m
1 stop
$518American Airlines
Sun, Mar 1 - Sat, Mar 7
American Airlines Logo
5:20 am - 12:54 pm
ALO
-
DCA
6h 34m
1 stop
American Airlines Logo
7:59 pm - 11:53 pm
DCA
-
ALO
4h 54m
1 stop
$535American Airlines
Mon, Mar 23 - Mon, Apr 6

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

Our best American Airlines deals on Waterloo, Iowa to Washington, D.C. flight tickets
American Airlines
Apr 16
ALO5:40 amWaterloo
4h 31m
1 stop
BWI11:11 amBaltimore/Washington
Apr 18
BWI7:52 pmBaltimore/Washington
4h 57m
1 stop
ALO11:49 pmWaterloo
$309
American Airlines
Apr 16
ALO5:40 amWaterloo
4h 31m
1 stop
BWI11:11 amBaltimore/Washington
Apr 18
BWI6:12 amBaltimore/Washington
8h 38m
2 stops
ALO1:50 pmWaterloo
$314
American Airlines
Mar 1
ALO5:20 amWaterloo
4h 58m
1 stop
BWI11:18 amBaltimore/Washington
Mar 7
BWI8:10 pmBaltimore/Washington
4h 43m
1 stop
ALO11:53 pmWaterloo
$399

momondo Fare Finder

 
Customize your flight search to find flights from Waterloo, Iowa 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, momondo users made 832,500 searches. Data last updated February 8, 2026.
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

Thu 4/16

5:40 am-11:11 am

1 stop4h 31m

Baltimore/Washington

Sat 4/18

7:52 pm-11:49 pm

1 stop4h 57m

$309

WaterlooBaltimore

ALO - BWI

ALOBWI

Waterloo

Thu 4/16

5:40 am-11:11 am

1 stop4h 31m

Baltimore/Washington

Sat 4/18

6:12 am-1:50 pm

2 stops8h 38m

$314

WaterlooBaltimore

ALO - BWI

ALOBWI

Waterloo

Sun 3/1

5:20 am-11:18 am

1 stop4h 58m

Baltimore/Washington

Sat 3/7

8:10 pm-11:53 pm

1 stop4h 43m

$399

WaterlooBaltimore

ALO - BWI

ALOBWI

Waterloo

Thu 4/16

5:40 am-2:41 pm

2 stops8h 01m

Baltimore/Washington

Sat 4/18

6:12 am-1:50 pm

2 stops8h 38m

$433

WaterlooWashington, D.C.

ALO - DCA

ALODCA

Waterloo

Thu 4/16

5:40 am-10:59 am

1 stop4h 19m

Washington, D.C. Reagan-National

Sat 4/18

7:47 pm-11:49 pm

1 stop5h 02m

$502

WaterlooWashington, D.C.

ALO - DCA

ALODCA

Waterloo

Thu 4/16

2:20 pm-10:29 pm

2 stops7h 09m

Washington, D.C. Reagan-National

Sat 4/18

9:46 am-1:50 pm

1 stop5h 04m

$507

WaterlooBaltimore

ALO - BWI

ALOBWI

Waterloo

Tue 3/3

5:20 am-3:21 pm

2 stops9h 01m

Baltimore/Washington

Sat 3/7

8:10 pm-11:53 pm

1 stop4h 43m

$511

WaterlooWashington, D.C.

ALO - DCA

ALODCA

Waterloo

Thu 4/16

5:40 am-1:59 pm

2 stops7h 19m

Washington, D.C. Reagan-National

Sat 4/18

6:36 am-1:50 pm

2 stops8h 14m

$513

WaterlooBaltimore

ALO - BWI

ALOBWI

Waterloo

Sun 3/1

3:15 pm-11:58 pm

2 stops7h 43m

Baltimore/Washington

Sat 3/7

8:10 pm-11:53 pm

1 stop4h 43m

$518

WaterlooWashington, D.C.

ALO - DCA

ALODCA

Waterloo

Mon 3/23

5:20 am-12:54 pm

1 stop6h 34m

Washington, D.C. Reagan-National

Mon 4/6

7:59 pm-11:53 pm

1 stop4h 54m

$535

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

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 66% 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 19m

Direct flights

None
The fastest flight from Waterloo, Iowa to Washington, D.C. takes 4h 19m
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 19m 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.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Waldorf
Woodbridge
Laurel
Colonial Beach
Tysons
Silver Spring
Towson
Fredericksburg
Gaithersburg
Rockville
Manassas
Springfield
Fairfax
Linthicum Heights
Bethesda
Glen Burnie

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.

An easier way to manage your Washington, D.C. trip

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Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.
Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport