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Cheap Flights from Waterloo (ALO) to St. Louis (STL)

Popular airlines from Waterloo, IA (ALO-Waterloo Regional) to Lambert-St. Louis International Airport (STL)

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Frequently asked questions

How much does a flight from Waterloo, IA (ALO-Waterloo Regional) to St. Louis, MO (STL-Lambert-St. Louis Intl.) cost?
You can find one-way and return flights from ALO to STL with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when ALO to STL ticket fares go up or down.
What is the cheapest month to fly from Waterloo, IA (ALO-Waterloo Regional) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
The cheapest months to fly from ALO to STL are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Waterloo, IA (ALO-Waterloo Regional) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
Enter ALO to STL and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Waterloo, IA (ALO-Waterloo Regional) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
To find a cheap flight from Waterloo, IA (ALO-Waterloo Regional) to St. Louis, MO (STL-Lambert-St. Louis Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Waterloo, IA (ALO-Waterloo Regional) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Waterloo, IA (ALO-Waterloo Regional) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
There are approximately 3 connecting flights per day from Waterloo Regional (ALO) to Lambert-St. Louis Intl. (STL). A common connection point for this route is O'Hare Intl. (ORD).
What is the earliest flight from Waterloo, IA (ALO-Waterloo Regional) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
The earliest flight from Waterloo, IA (ALO-Waterloo Regional) to St. Louis, MO (STL-Lambert-St. Louis Intl.) typically departs around 5:00 AM. This flight is operated by American Airlines. This is a seasonal service active in May. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Waterloo, IA (ALO-Waterloo Regional) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
You'll typically find the most flights from Waterloo, IA (ALO-Waterloo Regional) to St. Louis, MO (STL-Lambert-St. Louis Intl.) on a Wednesday, with around 2 flights available. This gives you a good selection for your travel plans. American Airlines is a major airline on this route. Flight schedules are consistent throughout the week, so you'll find similar options on other days too.
What are the most popular departure times for flights from Waterloo, IA (ALO-Waterloo Regional) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
The most popular departure times for flights from Waterloo Regional (ALO) to Lambert-St. Louis Intl. (STL) are in the afternoon, from 3pm to 6pm. Many travelers prefer this because it allows for a productive morning before heading to the airport and an evening arrival at your destination. American Airlines offers flights during this window.
How long does it take to fly from Waterloo, IA (ALO-Waterloo Regional) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
There are no nonstop flights from Waterloo, IA (ALO-Waterloo Regional) to St. Louis, MO (STL-Lambert-St. Louis Intl.). The distance between these two airports is approximately 457 kilometers. If you're looking for the quickest option, one-stop flights typically take around 3 hours 30 minutes. Flights with two or more stops will take longer, usually around 8 hours 48 minutes. Keep in mind that these are average travel times, and your actual flight duration can vary depending on the specific routing and layover times.
Can you fly business or first class from Waterloo, IA (ALO-Waterloo Regional) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
You can fly first class from Waterloo, IA (ALO-Waterloo Regional) to St. Louis, MO (STL-Lambert-St. Louis Intl.).First class cabins are available on American Airlines.
How do I earn miles on a Waterloo, IA (ALO-Waterloo Regional) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight with Expedia?
It's easy to earn miles on a Waterloo, IA (ALO-Waterloo Regional) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for St. Louis, MO (STL) from Waterloo, IA (ALO)?
If you're planning to travel to St. Louis from Waterloo Regional (ALO), you can fly directly into Lambert-St. Louis Intl. (STL) which offers international flights and connections. Some flights may connect through major hubs like O'Hare Intl. (ORD) before reaching St. Louis. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Waterloo, IA (ALO-Waterloo Regional) to St. Louis, MO (STL-Lambert-St. Louis Intl.) at the last minute?
Typically, booking a last minute flight from Waterloo, IA (ALO-Waterloo Regional) to St. Louis, MO (STL-Lambert-St. Louis Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Waterloo, IA (ALO-Waterloo Regional) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight and hotel package?
Securing a Waterloo, IA (ALO-Waterloo Regional) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Waterloo, IA (ALO-Waterloo Regional) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
If you booked your Waterloo, IA (ALO-Waterloo Regional) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Waterloo Regional
Destination airport
Lambert-St. Louis Intl.
Distance
454 km

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Waterloo to St. Louis Flights

The easy way to book your flights from Waterloo to St. Louis 

With Expedia, it’s simple to find and book flights to St. Louis 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 Lambert-St. Louis 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 St. Louis today, tomorrow, or this week.  

 

Save dollars with cheap flights from Waterloo Regional, ALO to Lambert-St. Louis Intl., STL 

Sort your search results by price to find great deals on your flight from Waterloo to St. Louis—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to St. Louis 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 St. Louis  
  • 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 St. Louis 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 St. Louis with Expedia today.

Waterloo to St. Louis Flights

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