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Luxembourg

$525+ Cheap flights from Denver (DEN) to Luxembourg (LUX)

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 2/15. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — LUX
Oct 14 — Oct 211
Tue 10/14
Tue 10/21
1 adult, Economy
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Cheap flight deals from Denver to Luxembourg

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Luxembourg (LUX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 14, 2025.

Round-trip from

$525
(Scandinavian Airlines)

Popular in

June

Cheapest in

August

Average price

$1,067
From Denver Intl to Luxembourg
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Highest demand for flights based on searches. 26% potential increase in price ($352 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($66 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 14, 2025.

This American Airlines deal was found by Cheapflights users on 9/14. 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 10/147:21 amDEN - LUX
2 stops19h 19mAmerican Airlines
Wed 12/39:55 pmLUX - DEN
2 stops25h 53mAmerican Airlines
Deal found 9/14$552
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/145:59 pmDEN - LUX
1 stop11h 51mLufthansa
Wed 12/310:35 amLUX - DEN
1 stop13h 25mLufthansa
Deal found 9/14$569
This AirNGo deal was found by Cheapflights users on 9/14. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/206:35 pmDEN - LUX
1 stop32h 05mBritish Airways
Mon 11/35:10 pmLUX - DEN
1 stop30h 20mBritish Airways
Deal found 9/14$576
This American Airlines deal was found by Cheapflights users on 9/14. 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 10/206:44 pmDEN - LUX
2 stops18h 31mAmerican Airlines
Mon 11/39:55 pmLUX - DEN
1 stop25h 35mAmerican Airlines
Deal found 9/14$583
This Gotogate deal was found by Cheapflights users on 9/14. 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.
Mon 10/205:30 pmDEN - LUX
2 stops35h 55mAir Canada
Mon 11/32:20 pmLUX - DEN
2 stops37h 35mAir Canada
Deal found 9/14$589
This United deal was found by Cheapflights users on 9/14. 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.
Tue 10/148:20 pmDEN - LUX
1 stop15h 15mMultiple Airlines
Wed 12/37:10 amLUX - DEN
2 stops20h 45mMultiple Airlines
Deal found 9/14$592
This British Airways deal was found by Cheapflights users on 9/12. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/145:25 pmDEN - LUX
1 stop32h 05mBritish Airways
Tue 12/239:55 pmLUX - DEN
1 stop25h 35mBritish Airways
Deal found 9/12$594
This British Airways deal was found by Cheapflights users on 9/12. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/145:25 pmDEN - LUX
1 stop32h 05mBritish Airways
Mon 12/229:55 pmLUX - DEN
1 stop25h 35mBritish Airways
Deal found 9/12$634
This Lufthansa deal was found by Cheapflights users on 9/12. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/145:45 pmDEN - LUX
1 stop20h 30mLufthansa
Wed 12/247:10 amLUX - DEN
1 stop16h 50mLufthansa
Deal found 9/12$651
This FlightHub deal was found by Cheapflights users on 9/12. 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.
Sun 12/149:53 amDEN - LUX
2 stops16h 02mMultiple Airlines
Wed 12/247:10 amLUX - DEN
1 stop16h 50mMultiple Airlines
Deal found 9/12$657
This Ovago deal was found by Cheapflights users on 9/12. 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.
Mon 12/155:25 pmDEN - LUX
1 stop19h 40mBritish Airways
Wed 12/2411:00 amLUX - DEN
2 stops19h 01mBritish Airways
Deal found 9/12$669
This Lufthansa deal was found by Cheapflights users on 9/12. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/155:45 pmDEN - LUX
1 stop20h 15mLufthansa
Wed 12/247:10 amLUX - DEN
1 stop16h 50mLufthansa
Deal found 9/12$676

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 September 14, 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 2/15

6:30 am-10:35 am

2 stops20h 05m

Luxembourg

Fri 2/20

6:15 pm-10:55 pm

2 stops36h 40m

$525

DenverLuxembourg

DEN - LUX

DENLUX

Denver Intl

Tue 10/14

7:21 am-10:40 am

2 stops19h 19m

Luxembourg

Wed 12/3

9:55 pm-3:48 pm

2 stops25h 53m

$552

DenverLuxembourg

DEN - LUX

DENLUX

Denver Intl

Tue 10/14

5:59 pm-1:50 pm

1 stop11h 51m

Luxembourg

Wed 12/3

10:35 am-4:00 pm

1 stop13h 25m

$569

DenverLuxembourg

DEN - LUX

DENLUX

Denver Intl

Mon 10/20

6:35 pm-10:40 am

1 stop32h 05m

Luxembourg

Mon 11/3

5:10 pm-3:30 pm

1 stop30h 20m

$576

DenverLuxembourg

DEN - LUX

DENLUX

Denver Intl

Tue 10/14

8:20 pm-7:35 pm

1 stop15h 15m

Luxembourg

Wed 12/3

7:10 am-7:55 pm

2 stops20h 45m

$592

DenverLuxembourg

DEN - LUX

DENLUX

Denver Intl

Sun 12/14

5:25 pm-9:30 am

1 stop32h 05m

Luxembourg

Tue 12/23

9:55 pm-3:30 pm

1 stop25h 35m

$594

DenverLuxembourg

DEN - LUX

DENLUX

Denver Intl

Mon 12/15

5:25 pm-10:15 am

1 stop32h 50m

Luxembourg

Mon 12/22

5:10 pm-3:30 pm

1 stop30h 20m

$634

DenverLuxembourg

DEN - LUX

DENLUX

Denver Intl

Thu 3/12

2:27 pm-9:10 pm

2 stops23h 43m

Luxembourg

Sun 4/5

9:20 pm-4:25 pm

1 stop27h 05m

$644

DenverLuxembourg

DEN - LUX

DENLUX

Denver Intl

Sun 12/14

9:53 am-9:55 am

2 stops16h 02m

Luxembourg

Wed 12/24

7:10 am-4:00 pm

1 stop16h 50m

$657

DenverLuxembourg

DEN - LUX

DENLUX

Denver Intl

Thu 3/12

1:46 pm-11:15 am

2 stops38h 29m

Luxembourg

Sun 4/5

12:25 pm-11:04 pm

2 stops42h 39m

$664

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 12 results
1
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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 $1,172). 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 LUX?

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 September 14, 2025.

It’s optimal to fly from Denver to Luxembourg in the evening. By choosing this option you can save up to 23% on the cost of your flight, compared to a flight at noon.

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 September 14, 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.
Lufthansa
6.8
Okay
7,409 reviews

Comfort

6.8

Food

6.3

Crew

7.6

Overall

6.8

Boarding

7.0

Entertainment

6.4

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.
Lufthansa
6.8
Okay
7,409 reviews
Lufthansa
6.8
Okay
7,409 reviews

Comfort

6.8

Food

6.3

Crew

7.6

Overall

6.8

Boarding

7.0

Entertainment

6.4

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.

  • How long is the flight from Denver to Luxembourg?

    Scandinavian Airlines, American Airlines, and Lufthansa can get you from Denver to Luxembourg in just under 11h 51m. Your travel time can differ by up to 8h 14m. Denver and Luxembourg are separated by a distance of 4963 mi. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Denver to Luxembourg round-trip?

    Lufthansa, at $658, was found to be the cheapest airline from Denver to Luxembourg.. This flight start at 32% lower than the current average price 3 months from now.

  • 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 $1,172). 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

Traveling to a place near Luxembourg?

Book flights to Luxembourg if you plan to visit one of these locations
Esch-sur-Alzette

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Alternative routes for Denver to Luxembourg

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Colorado Springs to Luxembourg flights

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 September 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$658Average$970FlexibilityNo cancel feeOn-time76%

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