Cheap Flights from St. Louis (STL) to Aarhus (AAR)

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Aarhus (AAR)

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Cheap Flights from St. Louis to Aarhus (STL-AAR)

Prices were available within the past 7 days and start at for one-way flights and $608 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scandinavian Airlines
Sat, Feb 7 - Sat, Feb 14
STL
St. Louis
AAR
Aarhus
$608 Roundtrip, found 2 days ago
$608
Roundtrip
found 2 days ago
Select Scandinavian Airlines flight, departing Sat, Feb 7 from St. Louis to Aarhus, returning Sat, Feb 14, priced at $608 found 2 days ago
Scandinavian Airlines
Sat, Feb 7 - Sat, Feb 14
STL
St. Louis
AAR
Aarhus
$638 Roundtrip, found 2 days ago
$638
Roundtrip
found 2 days ago
Select Scandinavian Airlines flight, departing Sat, Feb 7 from St. Louis to Aarhus, returning Sat, Feb 14, priced at $638 found 2 days ago
Scandinavian Airlines
Sat, Jan 10 - Sat, Jun 27
STL
St. Louis
AAR
Aarhus
$863 Roundtrip, found 2 days ago
$863
Roundtrip
found 2 days ago
Select Scandinavian Airlines flight, departing Sat, Jan 10 from St. Louis to Aarhus, returning Sat, Jun 27, priced at $863 found 2 days ago
Scandinavian Airlines
Sat, Jan 10 - Sat, Jun 27
STL
St. Louis
AAR
Aarhus
$893 Roundtrip, found 2 days ago
$893
Roundtrip
found 2 days ago
Select Scandinavian Airlines flight, departing Sat, Jan 10 from St. Louis to Aarhus, returning Sat, Jun 27, priced at $893 found 2 days ago
Scandinavian Airlines
Sat, Jan 10 - Sat, Jun 27
STL
St. Louis
AAR
Aarhus
$983 Roundtrip, found 2 days ago
$983
Roundtrip
found 2 days ago
Select Scandinavian Airlines flight, departing Sat, Jan 10 from St. Louis to Aarhus, returning Sat, Jun 27, priced at $983 found 2 days ago
Scandinavian Airlines
Thu, Dec 11 - Mon, Dec 15
STL
St. Louis
AAR
Aarhus
$1,101 Roundtrip, found 21 hours ago
$1,101
Roundtrip
found 21 hours ago
Select Scandinavian Airlines flight, departing Thu, Dec 11 from St. Louis to Aarhus, returning Mon, Dec 15, priced at $1,101 found 21 hours ago
Scandinavian Airlines
Thu, Dec 11 - Mon, Dec 15
STL
St. Louis
AAR
Aarhus
$1,351 Roundtrip, found 21 hours ago
$1,351
Roundtrip
found 21 hours ago
Select Scandinavian Airlines flight, departing Thu, Dec 11 from St. Louis to Aarhus, returning Mon, Dec 15, priced at $1,351 found 21 hours ago
Scandinavian Airlines
Sun, Dec 28 - Sat, Jan 10
STL
St. Louis
AAR
Aarhus
$1,378 Roundtrip, found 2 days ago
$1,378
Roundtrip
found 2 days ago
Select Scandinavian Airlines flight, departing Sun, Dec 28 from St. Louis to Aarhus, returning Sat, Jan 10, priced at $1,378 found 2 days ago
Scandinavian Airlines
Sun, Dec 28 - Sat, Jan 10
STL
St. Louis
AAR
Aarhus
$1,628 Roundtrip, found 2 days ago
$1,628
Roundtrip
found 2 days ago
Select Scandinavian Airlines flight, departing Sun, Dec 28 from St. Louis to Aarhus, returning Sat, Jan 10, priced at $1,628 found 2 days ago
Lufthansa
Sun, Dec 28 - Sat, Jan 10
STL
St. Louis
AAR
Aarhus
$1,746 Roundtrip, found 2 days ago
$1,746
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Sun, Dec 28 from St. Louis to Aarhus, returning Sat, Jan 10, priced at $1,746 found 2 days ago

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Aarhus Airport (AAR) cost?
Lock in a cheap one-way flight or cheap return flight from $608 from Lambert-St. Louis Intl. Airport (STL) to Aarhus Airport (AAR) 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 Lambert-St. Louis Intl. Airport (STL) to Aarhus Airport (AAR)?
Flying in February may help you find better deals, as it's the cheapest month for flights between STL and AAR. You'll often find the lowest prices during the off-season.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Aarhus Airport (AAR)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll fly you from STL to AAR. Then, sort your results by "Price (lowest to highest)" to pick up the best deal available.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Aarhus Airport (AAR)?
There are no daily nonstop flights available from Lambert-St. Louis Intl. Airport (STL) to Aarhus Airport (AAR). But you can opt for flights with layovers. Filter your search results 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 STL to AAR?
Usually you'll find the largest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* However, this can change based on the airline, season and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Aarhus Airport (AAR)?
Opt for a flight from Lambert-St. Louis Intl. Airport (STL) to Aarhus Airport (AAR) that takes off before 3 PM to reduce the risk of delays and cancellations. Later departures are on average 22% more likely to be canceled.**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 Lambert-St. Louis Intl. Airport (STL) to Aarhus Airport (AAR) last-minute?
Booking your ticket from STL to AAR shortly before your getaway is generally more expensive. But if you're flexible with your itinerary, you could score a cheap last-minute fare.
Is it cheaper to book a STL to AAR flight and hotel package?
You'll typically save money by booking a STL to AAR flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. Once you've chosen your preferred flights and accommodations, you can add extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Aarhus Airport (AAR)?
If you booked your STL to AAR flight within the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the fare type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you want more information.

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Aarhus
Airlines serving
Scandinavian Airlines
Roundtrip price
$608
Distance
4422 mi

Book with confidence

St. Louis to Aarhus Flights

The cheapest times to fly from St. Louis to Aarhus

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

 

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

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

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. Louis to Aarhus 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 St. Louis to Aarhus 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. Louis to Aarhus 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. Louis to Aarhus Flights

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*Available to One Key members.