The cheapest times to fly from LUX to DEN are

  • January 1st to April 8th
  • May 7th to June 24th (except the weeks of May 28th and June 11th)
  • October 29th to April 8th (except the weeks of December 17th and December 24th)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from LUX to DEN is early November. Prices can be as high as $1291 for Saturday flights during early August, or as low as $694 for Monday flights around early November.


When to Fly to Denver

Flying from Luxembourg (LUX) to Denver, CO (DEN) will usually cost between $695 to $1200 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early November with an average ticket price of $723. Due to high demand the most expensive time to fly is early August, with an average price of $1231. Planning your trip to low-cost times can easily save you $509 on economy flights and even more on first-class flights. Generally, any price below $881 can be considered a good price for a round-trip LUX to DEN flight.

See below for a graph of average weekly prices for the LUX to DEN route. All prices are for round-trip tickets in USD.

LUX to DEN Flight Prices

Compared to other flights, the LUX to DEN flight is cheaper than the average and costs slightly more than the average flight leaving from Luxembourg. The average price per mile (for a direct flight) is $0.11, which is far below average.


Flight Prices by Day of the Week

Monday is usually the cheapest day to fly to DEN, and Tuesday the cheapest day to fly back into LUX. Saturdays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $88 (9%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Monday and returning a week later will cost an average of $852. Return trip prices are from the DEN to LUX flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from LUX to DEN can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 9 hour 55 minutes may not be realistic.


Flight Hacking LUX to DEN

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from LUX to DEN — but Champion Traveler does!

Hack #1: London (LUX > LHR > DEN)

  • Price for both tickets: $535
  • Average savings: $346 (39.27%)

See LUX to DUB flights

Hack #2: Dublin (LUX > DUB > DEN)

  • Price for both tickets: $622
  • Average savings: $260 (29.46%)

See LUX to LHR flights

Hack #3: London (LUX > LCY > DEN)

  • Price for both tickets: $638
  • Average savings: $243 (27.58%)

See LUX to LCY flights


Flight Questions Answered

Still have questions about flying from LUX to DEN? We’ve got answers.

Which airlines fly this route?

You can find 24 major airlines flying this route most often: Air Canada, Air Europa, Air France, Alaska, Alitalia, American, Austrian, British Airways, Brussels Airlines, Condor, Delta, Finnair, Iberia, KLM, LOT, Lufthansa, Luxair, SAS, Singapore Airlines, SWISS, Tap Air Portugal, Turkish Airlines, United, Virgin Atlantic, and potentially more during busy seasons.

How far away is it from Denver International Airport to Luxembourg Airport?

The distance between the two airports is roughly 4965 miles or 7990 kilometers.

How long does it take to fly from LUX to DEN?

The real-world flight time for a nonstop LUX to DEN flight is about 9 hour 55 minutes.

How many flights go between Luxembourg and Denver, CO?

It depends on the day of the week and the date, but a typical day might have around 56 available flights from LUX to DEN.


Airport Location Info


Departing Airport

Origination codeLUX
Origination airport nameLuxembourg Airport

Return Airport

Destination codeDEN
Destination airport nameDenver International Airport
CityDenver, CO
Countrythe United States


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.