$808 Cheap Flights from Aalborg (AAL) to Denver (DEN)

View $808 flight on Wed, Dec 17, 2025Opens in a new window

Popular airlines from Aalborg (AAL) to Denver Intl. Airport (DEN)

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Cheap Flights from Aalborg to Denver (AAL-DEN)

Prices were available within the past 7 days and start at $808 for one-way flights and $644 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, Mar 20 - Sun, Mar 29
AAL
Aalborg
DEN
Denver
$644 Roundtrip, found 2 days ago
$644
Roundtrip
found 2 days ago
Select Delta flight, departing Fri, Mar 20 from Aalborg to Denver, returning Sun, Mar 29, priced at $644 found 2 days ago
Delta
Fri, Mar 20 - Sun, Mar 29
AAL
Aalborg
DEN
Denver
$670 Roundtrip, found 2 days ago
$670
Roundtrip
found 2 days ago
Select Delta flight, departing Fri, Mar 20 from Aalborg to Denver, returning Sun, Mar 29, priced at $670 found 2 days ago
Delta
Fri, Mar 20 - Sun, Mar 29
AAL
Aalborg
DEN
Denver
$677 Roundtrip, found 2 days ago
$677
Roundtrip
found 2 days ago
Select Delta flight, departing Fri, Mar 20 from Aalborg to Denver, returning Sun, Mar 29, priced at $677 found 2 days ago
KLM
Fri, Mar 20 - Sun, Mar 29
AAL
Aalborg
DEN
Denver
$698 Roundtrip, found 2 days ago
$698
Roundtrip
found 2 days ago
Select KLM flight, departing Fri, Mar 20 from Aalborg to Denver, returning Sun, Mar 29, priced at $698 found 2 days ago
Delta
Fri, Mar 20 - Sun, Mar 29
AAL
Aalborg
DEN
Denver
$718 Roundtrip, found 2 days ago
$718
Roundtrip
found 2 days ago
Select Delta flight, departing Fri, Mar 20 from Aalborg to Denver, returning Sun, Mar 29, priced at $718 found 2 days ago
KLM
Fri, Mar 20 - Sun, Mar 29
AAL
Aalborg
DEN
Denver
$740 Roundtrip, found 2 days ago
$740
Roundtrip
found 2 days ago
Select KLM flight, departing Fri, Mar 20 from Aalborg to Denver, returning Sun, Mar 29, priced at $740 found 2 days ago
Air France
Fri, Mar 20 - Sun, Mar 29
AAL
Aalborg
DEN
Denver
$746 Roundtrip, found 2 days ago
$746
Roundtrip
found 2 days ago
Select Air France flight, departing Fri, Mar 20 from Aalborg to Denver, returning Sun, Mar 29, priced at $746 found 2 days ago
KLM
Fri, Mar 20 - Sun, Mar 29
AAL
Aalborg
DEN
Denver
$754 Roundtrip, found 2 days ago
$754
Roundtrip
found 2 days ago
Select KLM flight, departing Fri, Mar 20 from Aalborg to Denver, returning Sun, Mar 29, priced at $754 found 2 days ago
Delta
Fri, Mar 20 - Sun, Mar 29
AAL
Aalborg
DEN
Denver
$772 Roundtrip, found 2 days ago
$772
Roundtrip
found 2 days ago
Select Delta flight, departing Fri, Mar 20 from Aalborg to Denver, returning Sun, Mar 29, priced at $772 found 2 days ago
Scandinavian Airlines
Sun, Nov 23 - Sat, Nov 29
AAL
Aalborg
DEN
Denver
$896 Roundtrip, found 2 days ago
$896
Roundtrip
found 2 days ago
Select Scandinavian Airlines flight, departing Sun, Nov 23 from Aalborg to Denver, returning Sat, Nov 29, priced at $896 found 2 days ago
Flights from Aalborg (AAL) to Denver (DEN)
Origin airport
Aalborg
Destination airport
Denver Intl.
Roundtrip price
$643
Distance
4740 mi

Aalborg to Denver Flights

The cheapest times to fly from Aalborg to Denver

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

 

The best time to book a flight from Aalborg to Denver

Sunday is one of the best days to book for cheap flights from Aalborg to Denver: 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 Denver

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 Denver in 2025. You can also book with separate airlines for your outbound and return journeys, from $808 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 Denver 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 Denver 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 Denver Intl. Airport (DEN) cost?
Snag a cheap one-way flight from $808 or cheap return flight from $644 from Aalborg Airport (AAL) to Denver Intl. Airport (DEN) 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 Aalborg Airport (AAL) to Denver Intl. Airport (DEN)?
March is the cheapest month to fly from AAL to DEN. Traveling during quieter months is often the key to better flight prices.
What is the cheapest airline that flies from Aalborg Airport (AAL) to Denver Intl. Airport (DEN)?
To find the cheapest airline flying from AAL to DEN, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Aalborg Airport (AAL) to Denver Intl. Airport (DEN)?
You'll need to catch a flight with a layover if you're traveling from Aalborg Airport (AAL) to Denver Intl. Airport (DEN). There are no daily direct flights on this route. However, simply filter your search to include one or two stops to find an option that works for you.
What day of the week has the most flights from AAL to DEN?
Usually you'll find the most flight options available on a Friday. Tuesdays are often the quietest.* But this can change depending on the time of year, airline 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 Aalborg Airport (AAL) to Denver Intl. Airport (DEN)?
To reach Denver Intl. Airport (DEN) on schedule, opt for a flight that takes off from Aalborg Airport (AAL) 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 Aalborg Airport (AAL) to Denver Intl. Airport (DEN) last-minute?
Last-minute bookings from AAL to DEN are generally more expensive. To secure the lowest rates, start looking for flights well in advance. That said, if you're flexible with your travel plans, you may land a cheap fare right before you leave.
Is it cheaper to book an AAL to DEN flight and hotel package?
Opting for an AAL to DEN flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Pick from our extensive range of stays and then add activities, car rentals and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Aalborg Airport (AAL) to Denver Intl. Airport (DEN)?
It's generally possible to reschedule or cancel your AAL to DEN flight. However, if it's been more than 24 hours since booking, additional fees 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.

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*Available to One Key members.