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Cheap flights from Washington, D.C. to Waterloo from $446

This is the cheapest one-way 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 5/16. 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
0 bags

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
7:59 pm - 12:09 am
BWI
-
ALO
5h 10m
1 stop
American Airlines Logo
5:00 am - 10:02 am
ALO
-
BWI
4h 02m
1 stop
$558American Airlines
Tue, May 26 - Sat, May 30
American Airlines Logo
8:03 pm - 12:09 am
DCA
-
ALO
5h 06m
1 stop
American Airlines Logo
5:00 am - 12:51 pm
ALO
-
DCA
6h 51m
1 stop
$558American Airlines
Tue, May 26 - Sat, May 30
American Airlines Logo
7:59 pm - 12:09 am
BWI
-
ALO
5h 10m
1 stop
American Airlines Logo
5:00 am - 1:28 pm
ALO
-
BWI
7h 28m
2 stops
$568American Airlines
Tue, May 26 - Sat, May 30
American Airlines Logo
8:03 pm - 12:09 am
DCA
-
ALO
5h 06m
1 stop
American Airlines Logo
5:00 am - 4:13 pm
ALO
-
DCA
10h 13m
2 stops
$568American Airlines
Tue, May 26 - Sat, May 30
American Airlines Logo
3:20 pm - 12:09 am
DCA
-
ALO
9h 49m
2 stops
American Airlines Logo
5:00 am - 4:13 pm
ALO
-
DCA
10h 13m
2 stops
$573American Airlines
Tue, May 26 - Sat, May 30
American Airlines Logo
8:03 pm - 12:10 am
DCA
-
ALO
5h 07m
1 stop
American Airlines Logo
3:02 pm - 11:59 pm
ALO
-
DCA
7h 57m
1 stop
$574American Airlines
Sun, May 24 - Wed, May 27
American Airlines Logo
6:23 am - 2:32 pm
DCA
-
ALO
9h 09m
2 stops
American Airlines Logo
5:00 am - 6:00 pm
ALO
-
DCA
12h 00m
1 stop
$584American Airlines
Sun, May 24 - Wed, May 27
American Airlines Logo
8:07 pm - 12:21 am
DCA
-
ALO
5h 14m
1 stop
American Airlines Logo
5:00 am - 10:13 am
ALO
-
DCA
4h 13m
1 stop
$590American Airlines
Fri, Jun 12 - Sun, Jun 14
American Airlines Logo
5:26 pm - 12:21 am
DCA
-
ALO
7h 55m
2 stops
American Airlines Logo
5:00 am - 10:55 am
ALO
-
DCA
4h 55m
1 stop
$600American Airlines
Fri, Jun 12 - Sun, Jun 14
American Airlines Logo
6:03 am - 2:30 pm
BWI
-
ALO
9h 27m
1 stop
American Airlines Logo
2:55 pm - 11:59 pm
ALO
-
BWI
8h 04m
1 stop
$601American Airlines
Fri, Jun 12 - Sun, Jun 14

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
May 26
BWI7:59 pmBaltimore/Washington
5h 10m
1 stop
ALO12:09 amWaterloo
May 30
ALO5:00 amWaterloo
4h 02m
1 stop
BWI10:02 amBaltimore/Washington
$558
American Airlines
May 26
BWI7:59 pmBaltimore/Washington
5h 10m
1 stop
ALO12:09 amWaterloo
May 30
ALO5:00 amWaterloo
7h 28m
2 stops
BWI1:28 pmBaltimore/Washington
$568
American Airlines
May 26
DCA3:20 pmWashington, D.C. Reagan-National
9h 49m
2 stops
ALO12:09 amWaterloo
May 30
ALO5:00 amWaterloo
10h 13m
2 stops
DCA4:13 pmWashington, D.C. Reagan-National
$573

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Waterloo, Iowa 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 May 11, 2026.
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

Cheapest round-trip
Quickest round-trip

BaltimoreWaterloo

BWI - ALO

BWIALO

Baltimore/Washington

Tue 5/26

7:59 pm-12:09 am

1 stop5h 10m

Waterloo

Sat 5/30

5:00 am-10:02 am

1 stop4h 02m

$558

Washington, D.C.Waterloo

DCA - ALO

DCAALO

Washington, D.C. Reagan-National

Tue 5/26

8:03 pm-12:09 am

1 stop5h 06m

Waterloo

Sat 5/30

5:00 am-12:51 pm

1 stop6h 51m

$558

BaltimoreWaterloo

BWI - ALO

BWIALO

Baltimore/Washington

Tue 5/26

7:59 pm-12:09 am

1 stop5h 10m

Waterloo

Sat 5/30

5:00 am-1:28 pm

2 stops7h 28m

$568

Washington, D.C.Waterloo

DCA - ALO

DCAALO

Washington, D.C. Reagan-National

Tue 5/26

8:03 pm-12:09 am

1 stop5h 06m

Waterloo

Sat 5/30

5:00 am-4:13 pm

2 stops10h 13m

$568

Washington, D.C.Waterloo

DCA - ALO

DCAALO

Washington, D.C. Reagan-National

Tue 5/26

3:20 pm-12:09 am

2 stops9h 49m

Waterloo

Sat 5/30

5:00 am-4:13 pm

2 stops10h 13m

$573

Washington, D.C.Waterloo

DCA - ALO

DCAALO

Washington, D.C. Reagan-National

Sun 5/24

8:03 pm-12:10 am

1 stop5h 07m

Waterloo

Wed 5/27

3:02 pm-11:59 pm

1 stop7h 57m

$574

Washington, D.C.Waterloo

DCA - ALO

DCAALO

Washington, D.C. Reagan-National

Sun 5/24

6:23 am-2:32 pm

2 stops9h 09m

Waterloo

Wed 5/27

5:00 am-6:00 pm

1 stop12h 00m

$584

Washington, D.C.Waterloo

DCA - ALO

DCAALO

Washington, D.C. Reagan-National

Fri 6/12

8:07 pm-12:21 am

1 stop5h 14m

Waterloo

Sun 6/14

5:00 am-10:13 am

1 stop4h 13m

$590

Washington, D.C.Waterloo

DCA - ALO

DCAALO

Washington, D.C. Reagan-National

Fri 6/12

5:26 pm-12:21 am

2 stops7h 55m

Waterloo

Sun 6/14

5:00 am-10:55 am

1 stop4h 55m

$600

BaltimoreWaterloo

BWI - ALO

BWIALO

Baltimore/Washington

Fri 6/12

6:03 am-2:30 pm

1 stop9h 27m

Waterloo

Sun 6/14

2:55 pm-11:59 pm

1 stop8h 04m

$601

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to Waterloo from

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

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

You could potentially save up to 24% 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

5h 06m

Direct flights

None
The fastest flight from Washington, D.C. to Waterloo, Iowa takes 5h 06m
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

Frequently asked questions about flying from Washington, D.C. to Waterloo, Iowa

  • 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 5h 06m.

  • 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 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.

Traveling to a place near Waterloo?

Book flights to Waterloo if you plan to visit one of these locations
Cedar Falls
Iowa Falls

Why use momondo?

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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