Title: Cheap Flights from Washington to Waterloo (DCA to ALO) - Expedia.co.uk ![One of the many lakes within George Wyth State Park, popular for boating and fishing.](https://images.trvl-media.com/place/364/8258d304-b1bb-4d11-b5a8-393ce803cda8.jpg?impolicy=fcrop&w=1200&h=500&q=medium) Photo by Erik Rowley ![](https://images.trvl-media.com/place/364/8258d304-b1bb-4d11-b5a8-393ce803cda8.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Washington (DCA) to Waterloo (ALO) - [Return](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Ronald Reagan National Airport (DCA) to Waterloo, IA (ALO-Waterloo Regional) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:dca,to:alo,departure:16/11/2025TANYT&leg2=from:alo,to:dca,departure:23/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* - ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 25% on select hotels after you book a flight\* - ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.co.uk/login) Flight from Washington to Waterloo route information | Origin airport | Ronald Reagan Washington National | | --- | --- | | Destination airport | Waterloo Regional | | Distance | 1348 km | ## Compare flights from Washington to Waterloo easily and book with confidence For travelling on business or for pleasure, Expedia makes it easy to book your flights from Washington to Waterloo. Operating between them flights per day, airlines cover the route. And fly direct, getting you to Waterloo Regional in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Ronald Reagan Washington National to Waterloo Regional.   To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights.  Grab a great deal on your flight from Ronald Reagan Washington National (DCA) to Waterloo Regional (ALO) The easiest way to view the best deals on flights from Washington to Waterloo today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Ronald Reagan Washington National to Waterloo Regional start at just and range up to .   To find an even better deal, try   - being flexible on your dates – midweek flights can be cheaper - looking for other airports near Washington and Waterloo - booking your flight during , the cheapest month on this route - varying your flight times – early morning and late at night are sometimes cheaper  Why you should book your Washington to Waterloo flight with Expedia! We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Ronald Reagan Washington National to Waterloo Regional for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.   Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.   ## Frequently asked questions ### How much is a flight from DCA to Waterloo Regional Airport? > Start packing your bags, because round-trip flights from DCA to ALO start from . That's based on fares listed within the last 7 days on Expedia for flights departing within the next year. Prices can increase quickly, so book today to secure the best deal. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from Ronald Reagan Washington National Airport (DCA) to Waterloo Regional Airport (ALO)? > This can vary between airlines, as each has its own terms and conditions. Head to the [Customer Service Portal](https://www.expedia.co.uk/service/?langid=1033), where you'll find easy-to-follow instructions on how to cancel online. ### How do I find cheap flights from DCA to Waterloo Regional Airport that have flexible change policies? > Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Ronald Reagan Washington National Airport (DCA) to Waterloo Regional Airport (ALO) flights, you'll see a "no change fees" filter for you to select. ### How far is the flight from National Airport to Waterloo Regional Airport (ALO)? > It's just 1,350 kilometres between Ronald Reagan Washington National Airport (DCA) and Waterloo Regional Airport. Chances are you'll spend more time getting to and from the airport than you will actually flying! ### Which airlines fly direct from National Airport to Waterloo Regional Airport (ALO)? > Unfortunately, there are no airlines that directly fly between National Airport and Waterloo Regional Airport (ALO). You'll need to book a flight with at least one stop. ### Are National Airport to Waterloo Regional Airport flight tickets cheaper when they're purchased at the last minute? > Booking your trip from National Airport to Waterloo Regional Airport last minute could be your ticket to a great deal. However, it could end up costing a good deal more! If you'd prefer not to take any chances, book well ahead of your departure date. In fact, Expedia has some of the biggest bargains up to 12 months in advance. 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