ALO - IAD

$339 Find Cheap Flights from Waterloo to Washington Dulles Airport

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Waterloo to Dulles Intl departing on 9/14. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Washington, D.C. Dulles Intl Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Waterloo to Washington, D.C., as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Waterloo to Washington, D.C., as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
$526
American Airlines
Sat 6/20Sun 6/28
ALO - IAD • 2 stops
Cheapest one-way
$339
American Airlines
Mon 9/14
ALO - IAD • 2 stops
Nonstop flights
Not available
There are currently no direct flights between Waterloo and Dulles Intl. You'll need at least 2 connections.
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Dulles Intl!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Waterloo to Dulles Intl (ALO-IAD)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Waterloo to Dulles Intl that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Waterloo to Dulles Intl

Sat, Jun 20 - Sun, Jun 28
American Airlines Logo
5:00 am - 12:13 am
ALO
-
IAD
18h 13m
2 stops
American Airlines Logo
6:20 am - 12:21 am
IAD
-
ALO
19h 01m
2 stops
$526American Airlines
Wed, May 13 - Sat, May 16
American Airlines Logo
5:40 am - 2:47 pm
ALO
-
IAD
8h 07m
2 stops
American Airlines Logo
6:25 am - 1:53 pm
IAD
-
ALO
8h 28m
2 stops
$573American Airlines
Sat, May 16 - Wed, May 20
American Airlines Logo
5:40 am - 2:51 pm
ALO
-
IAD
8h 11m
2 stops
American Airlines Logo
6:25 am - 1:53 pm
IAD
-
ALO
8h 28m
2 stops
$592American Airlines
Wed, May 13 - Tue, May 19
American Airlines Logo
5:40 am - 2:47 pm
ALO
-
IAD
8h 07m
2 stops
American Airlines Logo
10:32 am - 11:55 pm
IAD
-
ALO
14h 23m
2 stops
$594American Airlines
Sat, May 16 - Tue, May 19
American Airlines Logo
5:40 am - 2:51 pm
ALO
-
IAD
8h 11m
2 stops
American Airlines Logo
10:32 am - 1:53 pm
IAD
-
ALO
28h 21m
2 stops
$612American Airlines
Wed, May 13 - Sun, May 17
American Airlines Logo
5:40 am - 7:25 pm
ALO
-
IAD
12h 45m
2 stops
American Airlines Logo
6:25 am - 1:53 pm
IAD
-
ALO
8h 28m
2 stops
$616American Airlines
Sat, Jun 20 - Sun, Jun 28
American Airlines Logo
5:00 am - 7:37 pm
ALO
-
IAD
13h 37m
2 stops
American Airlines Logo
6:20 am - 2:23 pm
IAD
-
ALO
9h 03m
2 stops
$625American Airlines
Wed, May 13 - Mon, May 18
American Airlines Logo
5:40 am - 7:25 pm
ALO
-
IAD
12h 45m
2 stops
American Airlines Logo
6:25 am - 1:53 pm
IAD
-
ALO
8h 28m
2 stops
$626American Airlines
Sat, May 16 - Sun, May 17
American Airlines Logo
5:40 am - 2:51 pm
ALO
-
IAD
8h 11m
2 stops
American Airlines Logo
6:25 am - 1:53 pm
IAD
-
ALO
8h 28m
2 stops
$635American Airlines
Thu, May 14 - Tue, May 19
American Airlines Logo
2:23 pm - 11:59 pm
ALO
-
IAD
8h 36m
2 stops
American Airlines Logo
7:26 pm - 1:53 pm
IAD
-
ALO
19h 27m
2 stops
$637American Airlines
Booking Insights

Good to know

Cheapest flight$339
Flight from Waterloo to Washington Dulles Airport

When to book flights from Waterloo to Dulles Intl

Are your dates flexible? Find out the best times to travel from Waterloo to Dulles Intl 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.

FAQs for booking Waterloo to Washington Dulles Airport flights

  • What is the cheapest flight from Waterloo to Washington, D.C. Dulles Intl Airport?

    In the last 3 days, the lowest price for a flight from Waterloo to Washington, D.C. Dulles Intl Airport was $339 for a one-way ticket and $526 for a round-trip.

  • Do I need a passport to fly between Waterloo and Washington Dulles Airport?

    No, a passport isn't needed to fly from Waterloo to Washington Dulles Airport. However, local authorities might ask for an official ID.

  • Which airports will I be using when flying from Waterloo to Washington Dulles Airport?

    When flying out of Waterloo you will be using Waterloo. You will be landing at Washington Dulles Airport, also known as Washington, D.C. Dulles Intl.

  • Which aircraft models fly most regularly from Waterloo to Washington Dulles Airport?

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

  • How does KAYAK find such low prices on flights from Waterloo to Washington Dulles Airport?

    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 Waterloo to Washington Dulles Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Waterloo to Washington Dulles Airport?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington Dulles Airport from Waterloo 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 Waterloo to Washington Dulles Airport?

    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 Washington Dulles Airport with an airline and back to Waterloo with another airline. Booking your flights between Waterloo and IAD can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Waterloo to Washington Dulles Airport?

    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 Washington Dulles Airport from Waterloo 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 Waterloo to Dulles Intl

Information on your arrival and departure airports

Waterloo (ALO)
Dulles Intl (IAD)