$1,341 Cheap Flights from Aalborg (AAL) to St. Louis (STL)

View $1,341 flight on Wed, Oct 1, 2025Opens in a new window

Popular airlines from Aalborg (AAL) to St. Louis Lambert Intl. Airport (STL)

Cheap Flights from Aalborg to St. Louis (AAL-STL)

Prices were available within the past 7 days and start at $1,341 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Aalborg (AAL) to St. Louis (STL)
Origin airport
Aalborg
Destination airport
Lambert-St. Louis Intl.
Distance
4370 mi

Aalborg to St. Louis Flights

The cheapest times to fly from Aalborg to St. Louis

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 Aalborg to St. Louis are during the month of . You can find some of the cheapest flights from Aalborg to St. Louis with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Aalborg to St. Louis

Sunday is one of the best days to book for cheap flights from Aalborg to St. Louis: 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 Aalborg to St. Louis

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 Aalborg to St. Louis in 2025. You can also book with separate airlines for your outbound and return journeys, from $1,341 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 Aalborg to St. Louis 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 Aalborg to St. Louis 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.

 

Frequently asked questions

How much does a flight from Aalborg Airport (AAL) to Lambert-St. Louis Intl. Airport (STL) cost?
Discover the latest flight deals from AAL to STL by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from AAL to STL?
The cheapest flights from AAL to STL are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from AAL to STL?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from AAL to STL. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Aalborg Airport (AAL) to Lambert-St. Louis Intl. Airport (STL)?
There aren't any daily nonstop flights departing from Aalborg Airport (AAL) to Lambert-St. Louis Intl. Airport (STL). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from AAL to STL?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can vary depending on various factors, such as the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Aalborg Airport (AAL) to Lambert-St. Louis Intl. Airport (STL)?
To avoid possible delays on the Aalborg Airport (AAL) to Lambert-St. Louis Intl. Airport (STL) route, aim to fly before 3 PM. Departures after this time have a 22% higher chance of cancellation.**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 Aalborg Airport (AAL) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Last-minute fares from AAL to STL are typically more expensive. To secure the lowest prices, start searching for flights well in advance. That being said, if your travel plans are flexible, you may land a cheap ticket right before you leave.
Is it cheaper to book an AAL to STL flight and hotel package?
Compared with arranging flights and hotels separately, booking an AAL to STL flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one easy place will take the stress out of travel planning. Just secure your flights and select from our extensive range of hotels, then tailor your trip with other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Aalborg Airport (AAL) to Lambert-St. Louis Intl. Airport (STL)?
Typically, it's possible to reschedule or cancel your AAL to STL flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more details on our Customer Service portal.

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*Available to One Key members.