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$574+ Cheap flights from Denver (DEN) to Luxembourg

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — LUX
Jun 23 — Jun 301
Mon 6/23
Mon 6/30
1 adult, Economy
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Cheap flight deals from Denver to Luxembourg

Keep the following information in mind while searching for Denver to Luxembourg flight deals. Data was last updated June 18, 2025.

Round-trip from

$574
(Billigflug)

Popular in

June

Cheapest in

April

Average price

$1,526
From Denver Intl to Luxembourg
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($195 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($49 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
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Find flight deals from Denver to Luxembourg

Cheapest flights from Denver to Luxembourg
Explore the most affordable flight options available from Denver to Luxembourg. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 18, 2025.

This Billigflug deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/45:50 pmDEN - LUX
1 stop16h 30mMultiple Airlines
Tue 8/198:15 amLUX - DEN
1 stop13h 10mMultiple Airlines
Deal found 6/17$574
This American Airlines deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/46:35 pmDEN - LUX
1 stop18h 45mAmerican Airlines
Tue 8/1910:05 pmLUX - DEN
1 stop26h 20mAmerican Airlines
Deal found 6/17$587
This United Airlines deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/47:50 amDEN - LUX
2 stops17h 25mUnited Airlines
Tue 8/199:50 amLUX - DEN
3 stops22h 38mUnited Airlines
Deal found 6/17$691
This FlightHub deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/157:50 pmDEN - LUX
1 stop29h 40mTurkish Airlines
Tue 7/226:20 pmLUX - DEN
1 stop31h 35mTurkish Airlines
Deal found 6/15$878
This Booking.com deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/151:59 pmDEN - LUX
2 stops18h 11mAir Canada
Tue 7/228:15 amLUX - DEN
2 stops21h 13mAir Canada
Deal found 6/15$916
This Gotogate deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/254:15 pmDEN - LUX
1 stop11h 55mLufthansa
Fri 7/410:45 amLUX - DEN
1 stop12h 50mLufthansa
Deal found 6/15$1,802

Cheapflights Fare Finder

Customize your flight search to find flights from Denver to Luxembourg that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 18, 2025.
Use the filters below to find and compare flights from Denver to Luxembourg that are best for you.

Fly from

Denver

Fly to

Luxembourg

Route

Depart

Return

Price

DenverLuxembourg

DEN - LUX

DENLUX

Denver Intl

Mon 8/4

5:50 pm-6:20 pm

1 stop16h 30m

Luxembourg

Tue 8/19

8:15 am-1:25 pm

1 stop13h 10m

$574

DenverLuxembourg

DEN - LUX

DENLUX

Denver Intl

Mon 8/4

6:35 pm-9:20 pm

1 stop18h 45m

Luxembourg

Tue 8/19

10:05 pm-4:25 pm

1 stop26h 20m

$587

DenverLuxembourg

DEN - LUX

DENLUX

Denver Intl

Mon 8/4

7:50 am-9:15 am

2 stops17h 25m

Luxembourg

Tue 8/19

9:50 am-12:28 am

3 stops22h 38m

$691

DenverLuxembourg

DEN - LUX

DENLUX

Denver Intl

Tue 7/15

7:50 pm-9:30 am

1 stop29h 40m

Luxembourg

Tue 7/22

6:20 pm-5:55 pm

1 stop31h 35m

$878

DenverLuxembourg

DEN - LUX

DENLUX

Denver Intl

Tue 7/15

1:59 pm-4:10 pm

2 stops18h 11m

Luxembourg

Tue 7/22

8:15 am-9:28 pm

2 stops21h 13m

$916

DenverLuxembourg

DEN - LUX

DENLUX

Denver Intl

Wed 6/25

11:13 am-12:35 pm

2 stops41h 22m

$586

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/17

Best time to book a flight from Denver to Luxembourg

Have a flexible travel schedule? Discover the best time to fly to Luxembourg from Denver with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Denver to Luxembourg

What is the cheapest month to book a flight from Denver to Luxembourg?

Currently, February is the cheapest month in which you can book a flight from Denver to Luxembourg (average of $638). Flying from Denver to Luxembourg in June is currently the most expensive (average of $1,175). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DEN to LU?

Find hourly flight availability from Denver to Luxembourg. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 18, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Denver to Luxembourg as you normally would.

Rainfall in Luxembourg by month

Plan your trip to Luxembourg by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Luxembourg ranges from 2.0 - 2.8 inches per month. November is typically the wettest month, when rainfall can reach 2.8 in. February is typically the driest time to visit Luxembourg when rainfall is around 2.0 in.

Temperature in Luxembourg by month

Plan your trip to Luxembourg by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Luxembourg, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing Luxembourg

Get insights into the airlines that provide service to Luxembourg. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Luxembourg. Reviews last updated June 18, 2025.
United Airlines
7.4
Good
8,809 reviews

Crew

8.1

Entertainment

7.0

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,809 reviews
United Airlines
7.4
Good
8,809 reviews

Crew

8.1

Entertainment

7.0

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Turkish Airlines
7.3
Good
3,853 reviews
United Airlines
7.4
Good
8,809 reviews

Crew

8.1

Entertainment

7.0

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,809 reviews

Crew

8.1

Entertainment

7.0

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Air Canada
7.1
Good
9,572 reviews
United Airlines
7.4
Good
8,809 reviews

Crew

8.1

Entertainment

7.0

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Find useful and relevant information for your journey from Denver to Luxembourg. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Denver to Luxembourg?

    If you book a flight to Luxembourg from Denver, you will be flying from Denver Intl, which is the city’s only airport. Denver Intl (DEN) is located 18.5 mi from the center of Denver.

  • Can I find deals for flights from Denver to Luxembourg that include hotel bookings?

    Yes. In addition to deals on Denver to Luxembourg flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Denver to Luxembourg?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Denver to Luxembourg.

  • Can I find deals for business class flights from Denver to Luxembourg?

    Yes. Cheapflights offers flight deals from Denver to Luxembourg by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Denver to Luxembourg?

    Currently, February is the cheapest month in which you can book a flight from Denver to Luxembourg (average of $638). Flying from Denver to Luxembourg in June is currently the most expensive (average of $1,175). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Denver to Luxembourg

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Denver to Luxembourg

Discover the top airline that operate flights from Denver to Luxembourg. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$723Average$1,062FlexibilityNo cancel feeOn-time76%

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