Cheap Flights from Cologne (CGN) to Waterloo (ALO)

Popular airlines from Cologne - Bonn Airport (CGN) to Waterloo, IA (ALO-Waterloo Regional)

    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
    trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Frequently asked questions

How much does a flight from Cologne - Bonn Airport (CGN) to Waterloo Regional Airport (ALO) cost?
Secure a cheap one-way flight or cheap return flight from Cologne - Bonn Airport (CGN) to Waterloo Regional Airport (ALO) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Cologne - Bonn Airport (CGN) to Waterloo Regional Airport (ALO)?
is the least expensive month to fly from CGN to ALO. Traveling during quieter months is often the key to better flight prices.
What is the cheapest airline that flies from Cologne - Bonn Airport (CGN) to Waterloo Regional Airport (ALO)?
Use the filters on Expedia to compare airlines and find the cheapest carrier that'll take you from CGN to ALO. Then, sort your results by "Price (lowest to highest)" to snag a good deal.
How many flights per day from Cologne - Bonn Airport (CGN) to Waterloo Regional Airport (ALO)?
Nonstop flights from Cologne - Bonn Airport (CGN) to Waterloo Regional Airport (ALO) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from CGN to ALO?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Cologne - Bonn Airport (CGN) to Waterloo Regional Airport (ALO)?
To touch down at Waterloo Regional Airport (ALO) on time, select a flight that leaves Cologne - Bonn Airport (CGN) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Cologne - Bonn Airport (CGN) to Waterloo Regional Airport (ALO) last-minute?
Booking your plane ticket from CGN to ALO right before your trip is usually more expensive. However, if you're flexible with your travel times and dates, you could snag a cheap last-minute fare.
Is it cheaper to book a CGN to ALO flight and hotel package?
Compared with arranging hotels and flights separately, booking a CGN to ALO flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one place will take the hassle out of planning your trip. Just secure your flights and choose from our extensive range of stays, then tailor your trip with other add-ons like tours and car rentals.
Can I cancel or change the date of my flight from Cologne - Bonn Airport (CGN) to Waterloo Regional Airport (ALO)?
You can usually cancel or reschedule your CGN to ALO flight. However, for bookings made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
Cologne - Bonn
Destination airport
Waterloo Regional
Distance
4379 mi

Book with confidence

Cologne to Waterloo Flights

The cheapest times to fly from Cologne to Waterloo

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Cologne to Waterloo are during the month of . You can find some of the cheapest flights from Cologne to Waterloo with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Cologne to Waterloo

Sunday is one of the best days to book for cheap flights from Cologne to Waterloo: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Cologne to Waterloo

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Cologne to Waterloo in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Cologne to Waterloo flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Cologne to Waterloo airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Cologne to Waterloo Flights

Explore a world of travel with Expedia

*Available to One Key members.