$202 Cheap Flights from St. Thomas (STT) to Waterloo (ALO)

View $202 flight on Wed, Apr 8, 2026Opens in a new window

Popular airlines from Cyril E. King Airport (STT) to Waterloo, IA (ALO-Waterloo Regional)

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Cheap Flights from St. Thomas to Waterloo (STT-ALO)

Prices were available within the past 7 days and start at $202 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

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Frequently asked questions

How much does a flight from Cyril E. King Airport (STT) to Waterloo Regional Airport (ALO) cost?
Secure a cheap one-way flight from $202 or cheap return flight from Cyril E. King Airport (STT) to Waterloo Regional Airport (ALO) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Cyril E. King Airport (STT) to Waterloo Regional Airport (ALO)?
Planning your trip for can help you save, as it's the cheapest month for flights between STT and ALO. You'll often find the lowest prices during off-peak months.
What is the cheapest airline that flies from Cyril E. King Airport (STT) to Waterloo Regional Airport (ALO)?
To find the cheapest airline that'll fly you from STT to ALO, use Expedia's filter tool. Customize your search based on your travel style, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Cyril E. King Airport (STT) to Waterloo Regional Airport (ALO)?
You'll need to catch a flight with a layover when traveling from Cyril E. King Airport (STT) to Waterloo Regional Airport (ALO). There are no daily direct flights on this route. However, just filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from STT to ALO?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can change depending on a range of factors, such as the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Cyril E. King Airport (STT) to Waterloo Regional Airport (ALO)?
To land at Waterloo Regional Airport (ALO) on time, choose a flight that leaves Cyril E. King Airport (STT) before 3 PM. The chance 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 Cyril E. King Airport (STT) to Waterloo Regional Airport (ALO) last-minute?
Booking your ticket from STT to ALO shortly before your trip is typically more expensive. However, if you're flexible with your travel dates and times, you could score a cheap last-minute fare.
Is it cheaper to book a STT to ALO flight and hotel package?
You can save money by securing a STT to ALO flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. After selecting your preferred accommodations and flights, consider adding extras including tours, car rentals and activities.
Can I cancel or change the date of my flight from Cyril E. King Airport (STT) to Waterloo Regional Airport (ALO)?
If you reserved your STT to ALO flight in the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more details.

Travel information

Origin airport
Cyril E. King
Destination airport
Waterloo Regional
Distance
2317 mi

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St. Thomas to Waterloo Flights

The cheapest times to fly from St. Thomas 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 St. Thomas to Waterloo are during the month of . You can find some of the cheapest flights from St. Thomas to Waterloo with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Thomas to Waterloo

Sunday is one of the best days to book for cheap flights from St. Thomas 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 St. Thomas 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 St. Thomas to Waterloo in 2026. You can also book with separate airlines for your outbound and return journeys, from $202 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 St. Thomas 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 St. Thomas 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.

 

St. Thomas to Waterloo Flights

*Flight schedules are subject to change.

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