Title: Cheap Flights from Waterloo (ALO) to Denver (DEN) - Expedia.ca ![Denver Colorado downtown with City Park](https://images.trvl-media.com/place/178254/7cc57818-0302-43a8-831e-86e04b8cc6a7.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/178254/7cc57818-0302-43a8-831e-86e04b8cc6a7.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Waterloo (ALO) to Denver (DEN) - [Roundtrip](?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 Waterloo, IA (ALO-Waterloo Regional) to Denver International Airport (DEN) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:alo,to:den,departure:21/10/2025TANYT&leg2=from:den,to:alo,departure:28/10/2025TANYT&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 30% 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.ca/login) Flight from Waterloo to Denver (ALO - DEN) route information | Origin airport | Waterloo Regional | | --- | --- | | Destination airport | Denver Intl. | | Distance | 1062 km | ## Waterloo to Denver Flights **The easy way to book your flights from Waterloo to Denver**  With Expedia, it’s simple to find and book flights to Denver from Waterloo whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from airlines that cover this route. There are nonstop flights to Denver Intl., too.   Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Waterloo to Denver today, tomorrow, or this week.   **Save dollars with cheap flights from Waterloo Regional, ALO to Denver Intl., DEN**  Sort your search results by price to find great deals on your flight from Waterloo to Denver—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Denver from Waterloo currently is just rising to .   Here are more money-saving tips:  - Fly in when flight prices are normally at their lowest  - Book about a month to 6 weeks before you travel for the best prices to Denver   - Avoid peak season and weekends when flights can cost more - Early morning and late-night flights are sometimes cheaper, so try varying your travel times  - One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free!  **Reasons to choose Expedia for your flight to Denver from Waterloo**  Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Denver with Expedia today. ## Frequently asked questions ### How much is a flight from Waterloo Regional Airport to DEN? > If you're travelling from Waterloo Regional Airport to DEN, round-trip flights start from . This price is based on airfares available within the last 7 days on Expedia for flights departing within the next year, so don't hang around. Book now and save yourself money and time. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from Waterloo Regional Airport to DIA airport? > This can differ between air carriers, as each one has its own set of terms and conditions. Head to the [Customer Service Portal](https://www.expedia.ca/helpcenter), where you'll find instructions on how to cancel your flight online. ### How do I find cheap flights from ALO to DIA airport that have flexible change policies? > Select our "No change fees" filter to find flexible ticketing options for your flight from Waterloo Regional Airport to DEN. This allows you to snag a low rate ahead of time and still have the freedom to make changes without any extra fees. Just keep in mind that fare differences may still apply. ### How many hours is the flight from Waterloo Regional Airport (ALO) to DIA airport? > It takes approximately 4 hours and 11 minutes to get from Waterloo Regional Airport (ALO) to Denver Intl. Airport (DEN). But with some TV shows and an interesting book, the hours will pass by quicker. ### How far is the flight from Waterloo Regional Airport to DIA airport? > A flight distance of just 1,050 kilometres separates Waterloo and Denver. Once you're up in the skies, you won't get a chance to do much more than listen to a few songs on your travel playlist. ### Which airlines fly direct from ALO to Denver Intl. Airport (DEN)? > You won't find any airlines operating directly between Waterloo Regional Airport (ALO) and Denver Intl. Airport (DEN), so be prepared to make at least one stop on your journey. A layover, whether short or long, can be a welcome way to break up a trip! ### Are Waterloo Regional Airport to Denver Intl. Airport (DEN) flight tickets cheaper when they're purchased at the last minute? > Booking your trip from Waterloo Regional Airport (ALO) to DIA airport at the last minute could be your ticket to a fantastic deal. However, you might miss out on a flight altogether! If you'd rather not take any chances, book well ahead of your departure date. In fact, Expedia has some of the biggest bargains as far ahead as 12 months in advance. If your preferred carrier hasn't released tickets yet, check back regularly as deals are updated all the time on Expedia. ## Explore a world of travel with Expedia - Flights ### Flights - [Flights from Kitchener to Aurora](https://www.expedia.ca/lp/flights/10579/6629/kitchener-to-aurora) - [Flights from Calgary to Denver](https://www.expedia.ca/lp/flights/178245/178254/calgary-to-denver) - [Flights from Indianapolis to North Central Colorado](https://www.expedia.ca/lp/flights/178266/6056771/indianapolis-to-north-central-colorado) - [Flights from Miami to Aurora](https://www.expedia.ca/lp/flights/178286/6629/miami-to-aurora) - [Flights from New York to Aurora](https://www.expedia.ca/lp/flights/178293/6629/new-york-to-aurora) - [Flights from Ottawa to Aurora](https://www.expedia.ca/lp/flights/178296/6629/ottawa-to-aurora) - [Flights from Phoenix to Aurora](https://www.expedia.ca/lp/flights/178298/6629/phoenix-to-aurora) - [Flights from Seattle to Aurora](https://www.expedia.ca/lp/flights/178307/6629/seattle-to-aurora) - [Flights from Toronto to Aurora](https://www.expedia.ca/lp/flights/178314/6629/toronto-to-aurora) - [Flights from Vancouver to Aurora](https://www.expedia.ca/lp/flights/178315/6629/vancouver-to-aurora) - [Flights from Omaha to Aurora](https://www.expedia.ca/lp/flights/2670/6629/omaha-to-aurora) - [Flights from London to Denver](https://www.expedia.ca/lp/flights/4127/178254/london-to-denver) - [Flights from Waterloo (ALO) to Colorado Springs (COS)](https://www.expedia.ca/lp/flights/alo/cos/waterloo-to-colorado-springs) - [Flights from Watertown (ART) to Colorado Springs (COS)](https://www.expedia.ca/lp/flights/art/cos/watertown-to-colorado-springs) - [Flights from Atlanta (ATL) to Colorado Springs (COS)](https://www.expedia.ca/lp/flights/atl/cos/atlanta-to-colorado-springs) - [Flights from Austin (AUS) to Colorado Springs (COS)](https://www.expedia.ca/lp/flights/aus/cos/austin-to-colorado-springs) - [Flights from Newcastle (BEO) to Colorado Springs (COS)](https://www.expedia.ca/lp/flights/beo/cos/newcastle-to-colorado-springs) - [Flights from Bangor (BGR) to Colorado Springs (COS)](https://www.expedia.ca/lp/flights/bgr/cos/bangor-to-colorado-springs) - [Flights from Bathurst (BHS) to Colorado Springs (COS)](https://www.expedia.ca/lp/flights/bhs/cos/bathurst-to-colorado-springs) - [Flights from Bellingham (BLI) to Colorado Springs (COS)](https://www.expedia.ca/lp/flights/bli/cos/bellingham-to-colorado-springs) - [Flights from Nashville (BNA) to Colorado Springs (COS)](https://www.expedia.ca/lp/flights/bna/cos/nashville-to-colorado-springs) - [Flights from Burlington (BTV) to Colorado Springs (COS)](https://www.expedia.ca/lp/flights/btv/cos/burlington-to-colorado-springs) - [Flights from Buffalo (BUF) to Denver (APA)](https://www.expedia.ca/lp/flights/buf/apa/buffalo-to-denver) - [Flights from Clarksville (CKV) to Colorado Springs (COS)](https://www.expedia.ca/lp/flights/ckv/cos/clarksville-to-colorado-springs) - [Flights from Columbus (CMH) to Broomfield (BJC)](https://www.expedia.ca/lp/flights/cmh/bjc/columbus-to-broomfield) - [Flights from Detroit (DTW) to Denver (APA)](https://www.expedia.ca/lp/flights/dtw/apa/detroit-to-denver) - [Flights from Devils Lake (DVL) to Colorado Springs (COS)](https://www.expedia.ca/lp/flights/dvl/cos/devils-lake-to-colorado-springs) - [Flights from Dubai (DXB) to Colorado Springs (COS)](https://www.expedia.ca/lp/flights/dxb/cos/dubai-to-colorado-springs) - [Flights from Panama City (ECP) to Colorado Springs (COS)](https://www.expedia.ca/lp/flights/ecp/cos/panama-city-to-colorado-springs) - [Flights from El Paso (ELP) to Denver (APA)](https://www.expedia.ca/lp/flights/elp/apa/el-paso-to-denver) - [Flights from Newark Liberty Intl. 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