$652 Cheap Flights from Luxembourg (LUX) to Denver (DEN)

View $652 flight on Mon, Nov 24, 2025Opens in a new window

Popular airlines from Findel International Airport (LUX) to Denver Intl. Airport (DEN)

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Cheap Flights from Luxembourg to Denver (LUX-DEN)

Prices were available within the past 7 days and start at $652 for one-way flights and $517 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Mon, Nov 3 - Sun, Nov 9
LUX
Luxembourg
DEN
Denver
$517 Roundtrip, found 2 days ago
$517
Roundtrip
found 2 days ago
Select British Airways flight, departing Mon, Nov 3 from Luxembourg to Denver, returning Sun, Nov 9, priced at $517 found 2 days ago
British Airways
Sun, Oct 12 - Mon, Oct 27
LUX
Luxembourg
DEN
Denver
$527 Roundtrip, found 2 days ago
$527
Roundtrip
found 2 days ago
Select British Airways flight, departing Sun, Oct 12 from Luxembourg to Denver, returning Mon, Oct 27, priced at $527 found 2 days ago
British Airways
Sun, Oct 12 - Mon, Oct 27
LUX
Luxembourg
DEN
Denver
$532 Roundtrip, found 2 days ago
$532
Roundtrip
found 2 days ago
Select British Airways flight, departing Sun, Oct 12 from Luxembourg to Denver, returning Mon, Oct 27, priced at $532 found 2 days ago
British Airways
Fri, Mar 13 - Sun, Mar 22
LUX
Luxembourg
DEN
Denver
$541 Roundtrip, found 3 days ago
$541
Roundtrip
found 3 days ago
Select British Airways flight, departing Fri, Mar 13 from Luxembourg to Denver, returning Sun, Mar 22, priced at $541 found 3 days ago
British Airways
Mon, Nov 3 - Sun, Nov 9
LUX
Luxembourg
DEN
Denver
$546 Roundtrip, found 2 days ago
$546
Roundtrip
found 2 days ago
Select British Airways flight, departing Mon, Nov 3 from Luxembourg to Denver, returning Sun, Nov 9, priced at $546 found 2 days ago
British Airways
Thu, Sep 11 - Sat, Oct 11
LUX
Luxembourg
DEN
Denver
$551 Roundtrip, found 2 days ago
$551
Roundtrip
found 2 days ago
Select British Airways flight, departing Thu, Sep 11 from Luxembourg to Denver, returning Sat, Oct 11, priced at $551 found 2 days ago
American Airlines
Thu, Sep 11 - Tue, Dec 9
LUX
Luxembourg
DEN
Denver
$616 Roundtrip, found 2 days ago
$616
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Sep 11 from Luxembourg to Denver, returning Tue, Dec 9, priced at $616 found 2 days ago
Lufthansa
Thu, Sep 11 - Tue, Sep 23
LUX
Luxembourg
DEN
Denver
$631 Roundtrip, found 2 days ago
$631
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Thu, Sep 11 from Luxembourg to Denver, returning Tue, Sep 23, priced at $631 found 2 days ago
Air Canada
Sun, Oct 12 - Mon, Oct 27
LUX
Luxembourg
DEN
Denver
$633 Roundtrip, found 2 days ago
$633
Roundtrip
found 2 days ago
Select Air Canada flight, departing Sun, Oct 12 from Luxembourg to Denver, returning Mon, Oct 27, priced at $633 found 2 days ago
Swiss International Air Lines
Thu, Sep 11 - Tue, Sep 23
LUX
Luxembourg
DEN
Denver
$652 Roundtrip, found 2 days ago
$652
Roundtrip
found 2 days ago
Select Swiss International Air Lines flight, departing Thu, Sep 11 from Luxembourg to Denver, returning Tue, Sep 23, priced at $652 found 2 days ago
Flights from Luxembourg (LUX) to Denver (DEN)
Origin airport
Findel
Destination airport
Denver Intl.
Roundtrip price
$517
Distance
4966 mi

Luxembourg to Denver Flights

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

 

The best time to book a flight from Luxembourg to Denver

Sunday is one of the best days to book for cheap flights from Luxembourg 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 Luxembourg 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 Luxembourg to Denver in 2025. You can also book with separate airlines for your outbound and return journeys, from $652 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 Luxembourg 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 Luxembourg 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 Findel Airport (LUX) to Denver Intl. Airport (DEN) cost?
Grab a cheap one-way flight from $652 or cheap return flight from $517 from Findel Airport (LUX) to Denver Intl. Airport (DEN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Findel Airport (LUX) to Denver Intl. Airport (DEN)?
The cheapest month to fly from LUX to DEN is November, when there's less demand. Off-peak season is often when better flight deals are available between these airports.
What is the cheapest airline that flies from Findel Airport (LUX) to Denver Intl. Airport (DEN)?
To find the cheapest airline flying from LUX to DEN, 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 discover the cheapest flight right away.
How many flights per day from Findel Airport (LUX) to Denver Intl. Airport (DEN)?
Direct flights from Findel Airport (LUX) to Denver Intl. Airport (DEN) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel details and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from LUX to DEN?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Findel Airport (LUX) to Denver Intl. Airport (DEN)?
To land at Denver Intl. Airport (DEN) without delays, opt for a flight that takes off from Findel Airport (LUX) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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 Findel Airport (LUX) to Denver Intl. Airport (DEN) last-minute?
Waiting until right before your break to book a ticket from LUX to DEN often results in higher prices. While you may find some last-minute offers, they aren't always guaranteed. Keep your travel schedule open to maximize your chances of scoring a bargain.
Is it cheaper to book a LUX to DEN flight and hotel package?
Securing a LUX to DEN flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Choose from our wide range of accommodations and then add flights, activities and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Findel Airport (LUX) to Denver Intl. Airport (DEN)?
It's generally possible to cancel or reschedule your LUX to DEN flight. However, if it's been more than 24 hours since booking, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible 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.