WAS - ALO

$587 Find Cheap Flights from Washington, D.C. 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 Washington, D.C. to Waterloo departing on 1/9. 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
Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 24% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Everything you should know

Cheapest round-trip
$597
American Airlines
Fri 1/9Fri 1/16
IAD - ALO • 2 stops
Cheapest one-way
Multiple Airlines
Mon 12/15
WAS - ALO • multi-stop
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
Booking Insights
Flight Deals

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

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Washington, D.C. 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 Washington, D.C. to Waterloo

Fri, Jan 9 - Fri, Jan 16
American Airlines Logo
7:01 am - 2:53 pm
IAD
-
ALO
8h 52m2 stops
American Airlines Logo
3:23 pm - 11:12 pm
ALO
-
IAD
6h 49m2 stops
$597American 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.

Which airlines fly non-stop between Washington, D.C. and Waterloo?

Airline and price data is aggregated from results in KAYAK’s search results from the last 2 weeks for round-trip flights from Washington, D.C. to Waterloo.

There is just one airline that flies from Washington, D.C. to Waterloo direct and that is American Airlines. The best round-trip deal found from American Airlines for the route is $328.

Find deals

Good to know

Cheapest flight$597
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.

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

  • 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 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

Information on your arrival and departure airports

Waterloo (ALO)