What is the cheapest flight from Washington, D.C. to Waterloo?

In the last 5 days, the lowest price for a flight from Washington, D.C. to Waterloo was $425 for a one-way ticket and $489 for a round-trip. Visit our flight page for the latest deals!>/a>

Do I need a passport to fly between Washington, D.C. and Waterloo?

A passport is not required to fly from Washington, D.C. to Waterloo. Visit our flight page for the latest deals!>/a>

Which airports will I be using when flying from Washington, D.C. to Waterloo?

Washington, D.C. is served by 2 major airports and there is only 1 main airport in Waterloo. You will leave Washington, D.C. from one of these airports: Washington, D.C. Reagan-National or Washington, D.C. Dulles Intl. You will be arriving at Waterloo. Visit our flight page for the latest deals!>/a>

Which aircraft models fly most regularly from Washington, D.C. to Waterloo?

We unfortunately don’t have that data for this specific route.

How does KAYAK find such low prices on flights from Washington, D.C. to Waterloo?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington, D.C. to Waterloo. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington, D.C. to Waterloo?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Waterloo from Washington, D.C. is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Washington, D.C. to Waterloo?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Waterloo with an airline and back to Washington, D.C. with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington, D.C. to Waterloo?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Waterloo from Washington, D.C. up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

What are the most popular airlines flying to Waterloo?

The most popular airline among KAYAK users flying to Waterloo is American Airlines, followed by United Airlines and Delta.

$425 CHEAP FLIGHTS from Washington, D.C. to Waterloo (WAS - ALO)

WAS - ALO

KAYAK searches hundreds of travel sites at once for deals on flights to Waterloo

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Cheapest round-trip

$489

American Airlines

Tue 7/14Tue 7/21

DCA - ALO • 1 stop

Cheapest one-way

$425

American Airlines

Thu 7/23

IAD - ALO • 2 stops

Nonstop flights

Not available

There are currently no direct flights between Washington, D.C. and Waterloo. You'll need at least 1 connection.

Insights

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Waterloo!

Flight Deals

Cheap Flights from Washington, D.C. to Waterloo (WAS-ALO)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Washington, D.C. to Waterloo

Tue, Jul 14 - Tue, Jul 21

8:06 pm - 2:53 pm

DCA

ALO

19h 47m

1 stop

5:06 am - 1:59 pm

ALO

DCA

7h 53m

1 stop

$489American Airlines

Sat, Jul 11 - Sat, Jul 18

1:59 pm - 12:22 am

DCA

ALO

11h 23m

1 stop

5:06 am - 1:59 pm

ALO

DCA

7h 53m

1 stop

$525American Airlines

Wed, Jul 15 - Tue, Jul 21

7:35 am - 2:53 pm

DCA

ALO

8h 18m

1 stop

5:06 am - 6:49 am

ALO

DCA

24h 43m

2 stops

$534American Airlines

Sat, Jul 11 - Sat, Jul 18

1:16 pm - 12:22 am

IAD

ALO

12h 06m

2 stops

5:06 am - 7:36 pm

ALO

IAD

13h 30m

2 stops

$540American Airlines

Sat, Jul 11 - Wed, Jul 22

8:06 pm - 12:22 am

DCA

ALO

5h 16m

1 stop

5:06 am - 8:59 pm

ALO

DCA

14h 53m

1 stop

$548American Airlines

Tue, Jul 14 - Sun, Jul 19

3:58 pm - 12:29 am

DCA

ALO

9h 31m

1 stop

3:25 pm - 9:15 am

ALO

DCA

16h 50m

1 stop

$549American Airlines

Tue, Jul 21 - Fri, Jul 24

8:13 pm - 12:29 am

BWI

ALO

5h 16m

1 stop

3:26 pm - 10:01 am

ALO

BWI

17h 35m

1 stop

$555American Airlines

Fri, Jul 17 - Mon, Jul 20

10:10 pm - 12:22 am

DCA

ALO

27h 12m

1 stop

3:23 pm - 9:15 am

ALO

DCA

16h 52m

1 stop

$555American Airlines

Tue, Jul 21 - Wed, Jul 22

5:44 am - 12:29 am

BWI

ALO

19h 45m

1 stop

5:06 am - 7:43 pm

ALO

BWI

13h 37m

1 stop

$558American Airlines

Sat, Jul 11 - Tue, Jul 21

3:23 pm - 12:22 am

DCA

ALO

9h 59m

2 stops

5:06 am - 1:59 pm

ALO

DCA

7h 53m

1 stop

$558American Airlines

Booking Insights

KAYAK's insights & trends for Washington, D.C. to Waterloo flights

Get data-powered insights and trends into flights from Washington, D.C. to Waterloo to help you find the cheapest flights, the best time to fly and much more.

How long does a flight from Washington, D.C. to Waterloo take?

There are no direct flights for this route. The shortest travel duration to get to Waterloo from Washington, D.C. is 3h 47m.

Find deals

Cheapest flight	$425

Flight from Washington Dulles Airport to Waterloo

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

Are your dates flexible? Find out the best times to travel from Washington, D.C. to Waterloo based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

What is the cheapest flight from Washington, D.C. to Waterloo?
In the last 5 days, the lowest price for a flight from Washington, D.C. to Waterloo was $425 for a one-way ticket and $489 for a round-trip.
Do I need a passport to fly between Washington, D.C. and Waterloo?
A passport is not required to fly from Washington, D.C. to Waterloo.
Which airports will I be using when flying from Washington, D.C. to Waterloo?
Washington, D.C. is served by 2 major airports and there is only 1 main airport in Waterloo. You will leave Washington, D.C. from one of these airports: Washington, D.C. Reagan-National or Washington, D.C. Dulles Intl. You will be arriving at Waterloo.
Which aircraft models fly most regularly from Washington, D.C. to Waterloo?
We unfortunately don’t have that data for this specific route.
How does KAYAK find such low prices on flights from Washington, D.C. to Waterloo?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington, D.C. to Waterloo.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington, D.C. to Waterloo?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Waterloo from Washington, D.C. is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Washington, D.C. to Waterloo?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Waterloo with an airline and back to Washington, D.C. with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington, D.C. to Waterloo?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Waterloo from Washington, D.C. up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Washington, D.C. to Waterloo

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Cabin class

Complete your trip

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Flights to other cities

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Other airports

Information on your arrival and departure airports

Waterloo (ALO)

WAS - ALO

$425 Find Cheap Flights from Washington, D.C. to Waterloo - Compare and Save

KAYAK searches hundreds of travel sites at once for deals on flights to Waterloo

Everything you should know

Cheap Flights from Washington, D.C. to Waterloo (WAS-ALO)

Recent round-trip flight deals from Washington, D.C. to Waterloo

Recent one-way flight deals from Washington, D.C. to Waterloo

Recent last minute flight deals from Washington, D.C. to Waterloo

KAYAK's insights & trends for Washington, D.C. to Waterloo flights

How long does a flight from Washington, D.C. to Waterloo take?

Good to know

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

FAQs for booking flights from Washington, D.C. to Waterloo

Everything you need to know for your flight from Washington, D.C. to Waterloo

Information on your arrival and departure airports

Cabin class types available on flights from Washington, D.C. to Waterloo

Complete your trip to Waterloo with a hotel stay or car rental

Find direct flights to and from Washington, D.C. and Waterloo

Flights to other popular destinations

Flights from domestic origins to Waterloo

Choose which airport to fly into in Waterloo