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Cheap flights from Waterloo, Iowa to Washington, D.C. from $337

This is the cheapest one-way 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 7/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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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
5:06 am - 4:25 pm
ALO
-
DCA
10h 19m
1 stop
American Airlines Logo
9:07 am - 12:22 am
DCA
-
ALO
16h 15m
1 stop
$556American Airlines
Tue, Aug 4 - Thu, Aug 6
American Airlines Logo
5:00 am - 12:55 pm
ALO
-
DCA
6h 55m
1 stop
American Airlines Logo
8:07 pm - 12:21 am
DCA
-
ALO
5h 14m
1 stop
$558American Airlines
Tue, Jun 16 - Sat, Jun 20
American Airlines Logo
5:00 am - 12:55 pm
ALO
-
DCA
6h 55m
1 stop
American Airlines Logo
5:22 pm - 12:21 am
DCA
-
ALO
7h 59m
2 stops
$568American Airlines
Tue, Jun 16 - Sat, Jun 20
American Airlines Logo
5:00 am - 4:13 pm
ALO
-
DCA
10h 13m
2 stops
American Airlines Logo
5:26 pm - 12:21 am
DCA
-
ALO
7h 55m
2 stops
$573American Airlines
Tue, Jun 16 - Sat, Jun 20
American Airlines Logo
5:06 am - 5:59 pm
ALO
-
DCA
11h 53m
1 stop
American Airlines Logo
10:13 am - 12:29 am
DCA
-
ALO
15h 16m
1 stop
$608American Airlines
Tue, Jul 14 - Thu, Jul 16
American Airlines Logo
3:00 pm - 8:59 pm
ALO
-
DCA
4h 59m
1 stop
American Airlines Logo
8:07 pm - 12:21 am
DCA
-
ALO
5h 14m
1 stop
$611American Airlines
Wed, Jun 17 - Sun, Jun 21
American Airlines Logo
5:00 am - 2:57 pm
ALO
-
DCA
8h 57m
2 stops
American Airlines Logo
8:07 pm - 12:21 am
DCA
-
ALO
5h 14m
1 stop
$621American Airlines
Wed, Jun 17 - Sun, Jun 21
American Airlines Logo
5:00 am - 2:57 pm
ALO
-
DCA
8h 57m
2 stops
American Airlines Logo
6:23 am - 2:23 pm
DCA
-
ALO
9h 00m
2 stops
$626American Airlines
Wed, Jun 17 - Sun, Jun 21
American Airlines Logo
5:06 am - 2:56 pm
ALO
-
DCA
8h 50m
2 stops
American Airlines Logo
9:07 am - 12:22 am
DCA
-
ALO
16h 15m
1 stop
$691American Airlines
Tue, Aug 4 - Thu, Aug 6
American Airlines Logo
5:06 am - 4:13 pm
ALO
-
DCA
10h 07m
2 stops
American Airlines Logo
5:22 pm - 12:29 am
DCA
-
ALO
8h 07m
1 stop
$700American Airlines
Tue, Jul 7 - Wed, Jul 8

American Airlines flights from Waterloo, Iowa to Washington, D.C. Reagan-National Airport

Our best American Airlines deals on Waterloo, Iowa to Washington, D.C. Reagan-National Airport flight tickets
American Airlines
Aug 4
ALO5:06 amWaterloo
10h 19m
1 stop
DCA4:25 pmWashington, D.C. Reagan-National
Aug 6
DCA9:07 amWashington, D.C. Reagan-National
16h 15m
1 stop
ALO12:22 amWaterloo
$556
American Airlines
Jun 16
ALO5:00 amWaterloo
6h 55m
1 stop
DCA12:55 pmWashington, D.C. Reagan-National
Jun 20
DCA8:07 pmWashington, D.C. Reagan-National
5h 14m
1 stop
ALO12:21 amWaterloo
$558
American Airlines
Jun 16
ALO5:00 amWaterloo
6h 55m
1 stop
DCA12:55 pmWashington, D.C. Reagan-National
Jun 20
DCA5:22 pmWashington, D.C. Reagan-National
7h 59m
2 stops
ALO12:21 amWaterloo
$568

momondo Fare Finder

 
Customize your flight search to find flights from Waterloo, Iowa to Washington, D.C. Reagan-National Airport 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 June 4, 2026.
Use the filters below to find and compare flights from Waterloo, Iowa to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

WaterlooWashington, D.C.

ALO - DCA

ALODCA

Waterloo

Tue 8/4

5:06 am-4:25 pm

1 stop10h 19m

Washington, D.C. Reagan-National

Thu 8/6

9:07 am-12:22 am

1 stop16h 15m

$556

WaterlooWashington, D.C.

ALO - DCA

ALODCA

Waterloo

Tue 6/16

5:00 am-12:55 pm

1 stop6h 55m

Washington, D.C. Reagan-National

Sat 6/20

8:07 pm-12:21 am

1 stop5h 14m

$558

WaterlooWashington, D.C.

ALO - DCA

ALODCA

Waterloo

Tue 6/16

5:00 am-12:55 pm

1 stop6h 55m

Washington, D.C. Reagan-National

Sat 6/20

5:22 pm-12:21 am

2 stops7h 59m

$568

WaterlooWashington, D.C.

ALO - DCA

ALODCA

Waterloo

Tue 6/16

5:00 am-4:13 pm

2 stops10h 13m

Washington, D.C. Reagan-National

Sat 6/20

5:26 pm-12:21 am

2 stops7h 55m

$573

WaterlooWashington, D.C.

ALO - DCA

ALODCA

Waterloo

Tue 7/14

5:06 am-5:59 pm

1 stop11h 53m

Washington, D.C. Reagan-National

Thu 7/16

10:13 am-12:29 am

1 stop15h 16m

$608
Quickest round-trip

WaterlooWashington, D.C.

ALO - DCA

ALODCA

Waterloo

Wed 6/17

3:00 pm-8:59 pm

1 stop4h 59m

Washington, D.C. Reagan-National

Sun 6/21

8:07 pm-12:21 am

1 stop5h 14m

$611

WaterlooWashington, D.C.

ALO - DCA

ALODCA

Waterloo

Wed 6/17

5:00 am-2:57 pm

2 stops8h 57m

Washington, D.C. Reagan-National

Sun 6/21

8:07 pm-12:21 am

1 stop5h 14m

$621

WaterlooWashington, D.C.

ALO - DCA

ALODCA

Waterloo

Wed 6/17

5:00 am-2:57 pm

2 stops8h 57m

Washington, D.C. Reagan-National

Sun 6/21

6:23 am-2:23 pm

2 stops9h 00m

$626

WaterlooWashington, D.C.

ALO - DCA

ALODCA

Waterloo

Tue 8/4

5:06 am-2:56 pm

2 stops8h 50m

Washington, D.C. Reagan-National

Thu 8/6

9:07 am-12:22 am

1 stop16h 15m

$691

WaterlooWashington, D.C.

ALO - DCA

ALODCA

Waterloo

Tue 7/7

5:06 am-4:13 pm

2 stops10h 07m

Washington, D.C. Reagan-National

Wed 7/8

5:22 pm-12:29 am

1 stop8h 07m

$700

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. Reagan-National Airport

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. Reagan-National?

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

What airlines fly to Washington, D.C. Reagan-National Airport?

American Airlines, United Airlines and Southwest are the top three most popular airlines that fly to Washington, D.C. Reagan-National Airport from Waterloo, Iowa according to our data. American Airlines is the first choice among our users, with 86% of people opting to fly with this airline when traveling to Washington, D.C. Reagan-National Airport. Keep in mind that there are 4 different airlines that fly to Washington, D.C. Reagan-National Airport 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. Reagan-National Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Waterloo, Iowa to Washington, D.C. Reagan-National Airport 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. Reagan-National Airport (ALO to DCA) flight deals and tips

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

Fastest flight time

4h 59m

Direct flights

None
The fastest flight from Waterloo, Iowa to Washington, D.C. Reagan-National Airport takes 4h 59m
There are no direct flights from Waterloo, Iowa to Washington, D.C. Reagan-National Airport. There are no popular flight routes from Waterloo, Iowa to Washington, D.C. Reagan-National Airport.
Search flight deals

Frequently asked questions about flying from Waterloo, Iowa to Washington, D.C. Reagan-National Airport

  • How far is Waterloo to Washington, D.C. Reagan-National by plane?

    Washington, D.C. Reagan-National is 838.6 mi away from Waterloo. 4h 59m is a normal flight duration for this route.

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

    Prices for flights from Waterloo Airport to Washington, D.C. Reagan-National Airport are updated daily.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Waterloo Airport to Washington, D.C. Reagan-National Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?

    The travel and health documents required for your trip to Washington, D.C. Reagan-National Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C. Reagan-National Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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
Gaithersburg
Fredericksburg
Colonial Beach
Silver Spring
Rockville
Towson
Linthicum Heights
Manassas
Tysons
Springfield
Fairfax
Bethesda
College Park

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Waterloo to Washington, D.C. for you.

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

Flights from Waterloo to Washington, D.C. with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo helps you find the best flight between Waterloo and Washington, D.C. by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

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

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