Luxembourg

$445+ Cheap flights from Denver (DEN) to Luxembourg

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — LUX
Aug 23 — Aug 301
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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 August 18, 2025.

Round-trip from

$505
(Expedia)

One-way from

$445
(Lufthansa)

Popular in

June

Cheapest in

August

Average price

$670
From Denver Intl to Luxembourg
One-way flight from Denver Intl to Luxembourg
Highest demand for flights based on searches. 24% potential increase in price ($327 potential increase over avg. RT price).
Cheapest flight prices on average. 6% potential price decrease ($63 potential savings vs. average RT price).
Average for round-trip flights in August 2025

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 August 18, 2025.

This American Airlines deal was found by Cheapflights users on 8/18. 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.
Sun 10/126:35 pmDEN - LUX
1 stop17h 45mAmerican Airlines
Mon 10/279:55 pmLUX - DEN
1 stop25h 35mAmerican Airlines
Deal found 8/18$596
This Mytrip deal was found by Cheapflights users on 8/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/124:40 pmDEN - LUX
3 stops33h 20mMultiple Airlines
Mon 10/276:20 pmLUX - DEN
3 stops31h 45mMultiple Airlines
Deal found 8/18$715
This Cheapflightsfares deal was found by Cheapflights users on 8/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/164:15 pmDEN - LUX
1 stop15h 55mLufthansa
Tue 9/236:15 amLUX - DEN
2 stops18h 20mLufthansa
Deal found 8/17$746
This American Airlines deal was found by Cheapflights users on 8/17. 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.
Tue 9/166:35 pmDEN - LUX
1 stop18h 15mAmerican Airlines
Tue 9/2310:05 pmLUX - DEN
1 stop26h 20mAmerican Airlines
Deal found 8/17$747
This Air Canada deal was found by Cheapflights users on 8/17. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1611:35 amDEN - LUX
2 stops17h 50mMultiple Airlines
Tue 9/236:15 amLUX - DEN
2 stops18h 18mMultiple Airlines
Deal found 8/17$749
This United Airlines deal was found by Cheapflights users on 8/17. 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.
Tue 9/168:20 pmDEN - LUX
2 stops15h 15mUnited Airlines
Tue 9/239:50 amLUX - DEN
3 stops22h 38mUnited Airlines
Deal found 8/17$776
This Cheapflightsfares deal was found by Cheapflights users on 8/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/215:45 pmDEN - LUX
1 stop11h 50mLufthansa
Sun 12/2810:35 amLUX - DEN
1 stop13h 25mLufthansa
Deal found 8/17$954
This Ovago deal was found by Cheapflights users on 8/17. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/214:58 pmDEN - LUX
2 stops20h 07mBritish Airways
Sun 12/286:15 pmLUX - DEN
1 stop29h 15mBritish Airways
Deal found 8/17$974
This United deal was found by Cheapflights users on 8/17. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2111:59 pmDEN - LUX
2 stops32h 21mMultiple Airlines
Sun 12/287:10 amLUX - DEN
2 stops22h 12mMultiple Airlines
Deal found 8/17$1,002
This KAYAK deal was found by Cheapflights users on 8/16. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/204:20 pmDEN - LUX
2 stops17h 40mLufthansa
Mon 12/292:20 pmLUX - DEN
1 stop33h 40mLufthansa
Deal found 8/16$1,153

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 August 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

Sun 10/12

6:35 pm-8:20 pm

1 stop17h 45m

Luxembourg

Mon 10/27

9:55 pm-4:30 pm

1 stop25h 35m

$596

DenverLuxembourg

DEN - LUX

DENLUX

Denver Intl

Sun 10/12

4:40 pm-10:00 am

3 stops33h 20m

Luxembourg

Mon 10/27

6:20 pm-7:05 pm

3 stops31h 45m

$715

DenverLuxembourg

DEN - LUX

DENLUX

Denver Intl

Tue 9/16

4:15 pm-4:10 pm

1 stop15h 55m

Luxembourg

Tue 9/23

6:15 am-4:35 pm

2 stops18h 20m

$746

DenverLuxembourg

DEN - LUX

DENLUX

Denver Intl

Tue 9/16

6:35 pm-8:50 pm

1 stop18h 15m

Luxembourg

Tue 9/23

10:05 pm-4:25 pm

1 stop26h 20m

$747

DenverLuxembourg

DEN - LUX

DENLUX

Denver Intl

Tue 9/16

11:35 am-1:25 pm

2 stops17h 50m

Luxembourg

Tue 9/23

6:15 am-4:33 pm

2 stops18h 18m

$749

DenverLuxembourg

DEN - LUX

DENLUX

Denver Intl

Tue 9/16

8:20 pm-7:35 pm

2 stops15h 15m

Luxembourg

Tue 9/23

9:50 am-12:28 am

3 stops22h 38m

$776

DenverLuxembourg

DEN - LUX

DENLUX

Denver Intl

Sun 12/21

5:45 pm-1:35 pm

1 stop11h 50m

Luxembourg

Sun 12/28

10:35 am-4:00 pm

1 stop13h 25m

$954

DenverLuxembourg

DEN - LUX

DENLUX

Denver Intl

Sun 12/21

4:58 pm-9:05 pm

2 stops20h 07m

Luxembourg

Sun 12/28

6:15 pm-3:30 pm

1 stop29h 15m

$974

DenverLuxembourg

DEN - LUX

DENLUX

Denver Intl

Sun 12/21

11:59 pm-4:20 pm

2 stops32h 21m

Luxembourg

Sun 12/28

7:10 am-9:22 pm

2 stops22h 12m

$1,002

DenverLuxembourg

DEN - LUX

DENLUX

Denver Intl

Sat 12/20

4:20 pm-6:00 pm

2 stops17h 40m

Luxembourg

Mon 12/29

2:20 pm-4:00 pm

1 stop33h 40m

$1,153

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Showing 1-10 of 15 results
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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 $1,173). 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 August 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.

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 August 18, 2025.
Peruse reviews from past customers who have flown with Lufthansa from Denver to Luxembourg to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

6.8

Entertainment

6.4

Food

6.3

Crew

7.6

Overall

6.8

Boarding

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

SFO - FRA

Convenient flight to my destination. Good entertainment options on board. I was seated close to some people who had noisy children which made sleeping a bit challenging.

Comfort

6.8

Entertainment

6.4

Food

6.3

Crew

7.6

Overall

6.8

Boarding

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

SFO - FRA

Convenient flight to my destination. Good entertainment options on board. I was seated close to some people who had noisy children which made sleeping a bit challenging.

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.

  • How long is the flight from Denver to Luxembourg?

    American Airlines and Lufthansa can get you from Denver to Luxembourg in just under 15h 55m. Your travel time can differ by up to 1h 50m. Denver and Luxembourg are separated by a distance of 4963 mi. This flight may include one or multiple stops.

  • 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 $1,173). 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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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 August 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$658Average$970FlexibilityNo cancel feeOn-time76%

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