IAD - ALO

$529 Find Cheap Flights from Washington Dulles Airport to Waterloo

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from Dulles Intl to Waterloo departing on 12/6. 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 Waterloo

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

Cheapest round-trip
$529
American Airlines
Sat 12/6Wed 12/10
IAD - ALO • 2 stops
Cheapest one-way
Multiple Airlines
Thu 10/30
IAD - ALO • multi-stop
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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 Waterloo!
Flight Deals
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Flight Deals

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

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Dulles Intl to Waterloo 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 Dulles Intl to Waterloo

Sat, Dec 6 - Wed, Dec 10
American Airlines Logo
2:06 pm - 11:51 pmIAD-ALO
10h 45m2 stops
American Airlines Logo
3:27 pm - 11:08 pmALO-IAD
6h 41m2 stops
$529American Airlines
Find Deal
Tue, Dec 23 - Sat, Dec 27
American Airlines Logo
9:12 am - 11:45 pmIAD-ALO
15h 33m2 stops
American Airlines Logo
3:09 pm - 8:42 amALO-IAD
16h 33m2 stops
$679American Airlines
Find Deal
Tue, Dec 23 - Sat, Dec 27
American Airlines Logo
9:12 am - 11:45 pmIAD-ALO
15h 33m2 stops
American Airlines Logo
3:09 pm - 8:42 amALO-IAD
16h 33m2 stops
$687American Airlines
Find Deal
Tue, Dec 23 - Sat, Dec 27
American Airlines Logo
9:12 am - 11:45 pmIAD-ALO
15h 33m2 stops
American Airlines Logo
3:09 pm - 8:42 amALO-IAD
16h 33m2 stops
$734American Airlines
Find Deal
Mon, Dec 22 - Sun, Dec 28
American Airlines Logo
6:35 am - 2:39 pmIAD-ALO
9h 04m2 stops
American Airlines Logo
5:40 am - 1:09 pmALO-IAD
6h 29m2 stops
$793American Airlines
Find Deal
Tue, Dec 23 - Sat, Dec 27
American Airlines Logo
1:57 pm - 11:45 pmIAD-ALO
10h 48m2 stops
American Airlines Logo
3:09 pm - 8:42 amALO-IAD
16h 33m3 stops
$814American Airlines
Find Deal
Tue, Dec 23 - Sat, Dec 27
American Airlines Logo
1:57 pm - 11:45 pmIAD-ALO
10h 48m3 stops
American Airlines Logo
5:40 am - 3:59 pmALO-IAD
9h 19m2 stops
$922American Airlines
Find Deal
Tue, Dec 23 - Sat, Dec 27
American Airlines Logo
1:57 pm - 11:45 pmIAD-ALO
10h 48m3 stops
American Airlines Logo
5:40 am - 1:27 pmALO-IAD
6h 47m2 stops
$980American Airlines
Find Deal
Tue, Dec 23 - Sat, Dec 27
American Airlines Logo
1:57 pm - 11:45 pmIAD-ALO
10h 48m3 stops
American Airlines Logo
3:09 pm - 8:42 amALO-IAD
16h 33m3 stops
$1,096American Airlines
Find Deal
Booking Insights

Good to know

Cheapest flight$529
Flight from Washington Dulles Airport to Waterloo

When to book flights from Dulles Intl to Waterloo

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

FAQs for booking Washington Dulles Airport to Waterloo flights

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

    In the last 3 days, the lowest price for a flight from Washington, D.C. Dulles Intl Airport to Waterloo was $529 for a round-trip ticket.

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

    No

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

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

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

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Waterloo from Washington Dulles Airport 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 Dulles Airport 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 Dulles Airport with another airline. Booking your flights between Washington Dulles Airport and ALO 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 Washington Dulles Airport 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 Dulles Airport 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 Dulles Intl to Waterloo

Information on your arrival and departure airports

Washington Dulles Airport (IAD)
Waterloo (ALO)

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