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Luxembourg

$571+ 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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — LUX
nov. 29 — dic. 61
sáb. 11/29
sáb. 12/6
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 octubre 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$641
(United)

Popular in

June

Cheapest in

August

Average price

$766
Provider with most accurate pricing for Denver Intl-Luxembourg flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-Luxembourg flights.
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From Denver Intl to Luxembourg
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Highest demand for flights based on searches. 26% potential increase in price ($354 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 October 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 octubre 30, 2025.

This United Airlines deal was found by Cheapflights users on 10/30. 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.
lun. 12/14:20 pmDEN - LUX
1 stop16h 00mUnited Airlines
mar. 12/169:30 amLUX - DEN
1 stop13h 05mUnited Airlines
Deal found 10/30$571
This United Airlines deal was found by Cheapflights users on 10/30. 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.
lun. 12/15:25 pmDEN - LUX
2 stops14h 55mMultiple Airlines
mar. 12/1610:35 amLUX - DEN
2 stops17h 29mMultiple Airlines
Deal found 10/30$583
This Ovago deal was found by Cheapflights users on 10/30. 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.
dom. 12/145:25 pmDEN - LUX
1 stop32h 05mBritish Airways
dom. 12/216:15 pmLUX - DEN
1 stop29h 15mBritish Airways
Deal found 10/30$960
This Ovago deal was found by Cheapflights users on 10/30. 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.
dom. 12/1411:21 amDEN - LUX
2 stops22h 54mSWISS
dom. 12/2110:50 amLUX - DEN
2 stops19h 16mSWISS
Deal found 10/30$1,033
This Mytrip deal was found by Cheapflights users on 10/30. 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.
dom. 12/141:25 pmDEN - LUX
3 stops25h 15mMultiple Airlines
dom. 12/212:30 pmLUX - DEN
3 stops32h 05mMultiple Airlines
Deal found 10/30$1,195
This FlightHub deal was found by Cheapflights users on 10/29. 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.
sáb. 12/207:20 pmDEN - LUX
1 stop30h 35mTurkish Airlines
lun. 12/296:00 pmLUX - DEN
1 stop31h 35mTurkish Airlines
Deal found 10/29$1,514
This FlightHub deal was found by Cheapflights users on 10/29. 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.
sáb. 12/205:30 pmDEN - LUX
2 stops32h 25mMultiple Airlines
lun. 12/292:20 pmLUX - DEN
1 stop33h 40mMultiple Airlines
Deal found 10/29$1,556

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 octubre 30, 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

lun. 12/1

4:20 pm-4:20 pm

1 stop16h 00m

Luxembourg

mar. 12/16

9:30 am-2:35 pm

1 stop13h 05m

$571

DenverLuxembourg

DEN - LUX

DENLUX

Denver Intl

mié. 1/7

4:20 pm-4:20 pm

1 stop16h 00m

Luxembourg

mar. 1/13

5:00 pm-2:35 pm

1 stop29h 35m

$573

DenverLuxembourg

DEN - LUX

DENLUX

Denver Intl

mié. 1/7

4:20 pm-4:20 pm

1 stop16h 00m

Luxembourg

jue. 1/15

5:00 pm-2:35 pm

1 stop29h 35m

$573

DenverLuxembourg

DEN - LUX

DENLUX

Denver Intl

lun. 1/5

5:25 pm-10:15 am

1 stop32h 50m

Luxembourg

jue. 1/15

5:45 pm-3:30 pm

1 stop29h 45m

$574

DenverLuxembourg

DEN - LUX

DENLUX

Denver Intl

lun. 12/1

5:25 pm-4:20 pm

2 stops14h 55m

Luxembourg

mar. 12/16

10:35 am-8:04 pm

2 stops17h 29m

$583

DenverLuxembourg

DEN - LUX

DENLUX

Denver Intl

mié. 1/7

3:47 pm-4:20 pm

2 stops16h 33m

Luxembourg

mar. 1/13

9:30 am-10:23 am

2 stops32h 53m

$583

DenverLuxembourg

DEN - LUX

DENLUX

Denver Intl

mié. 1/7

10:32 am-10:35 am

2 stops16h 03m

Luxembourg

jue. 1/15

10:55 am-9:16 pm

2 stops18h 21m

$585

DenverLuxembourg

DEN - LUX

DENLUX

Denver Intl

mar. 1/6

5:35 pm-4:20 pm

2 stops38h 45m

Luxembourg

mié. 1/14

5:00 pm-2:35 pm

1 stop29h 35m

$586

DenverLuxembourg

DEN - LUX

DENLUX

Denver Intl

mar. 1/6

8:25 pm-4:20 pm

2 stops35h 55m

Luxembourg

mar. 1/13

9:30 am-9:59 pm

2 stops20h 29m

$592

DenverLuxembourg

DEN - LUX

DENLUX

Denver Intl

lun. 1/5

5:25 pm-10:15 am

1 stop32h 50m

Luxembourg

vie. 1/16

9:55 pm-3:30 pm

1 stop25h 35m

$624

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Compare providers for flights from Denver to Luxembourg

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Denver to Luxembourg in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Denver-Luxembourg flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Denver-Luxembourg flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Denver-Luxembourg flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Denver-Luxembourg flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Denver-Luxembourg flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, November is the cheapest month in which you can book a flight from Denver to Luxembourg (average of $575). Flying from Denver to Luxembourg in June is currently the most expensive (average of $1,690). 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 octubre 30, 2025.

It’s optimal to fly from Denver to Luxembourg in the evening. By choosing this option you can save up to 22% 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 octubre 30, 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
7,541 reviews

Overall

6.8

Boarding

7.0

Entertainment

6.4

Crew

7.6

Comfort

6.8

Food

6.3

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
7,541 reviews
Lufthansa
6.8
Okay
7,541 reviews

Overall

6.8

Boarding

7.0

Entertainment

6.4

Crew

7.6

Comfort

6.8

Food

6.3

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?

    United Airlines, Lufthansa, and British Airways can get you from Denver to Luxembourg in just under 16h. Your travel time can differ by up to 16h 50m. 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 31% 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, November is the cheapest month in which you can book a flight from Denver to Luxembourg (average of $575). Flying from Denver to Luxembourg in June is currently the most expensive (average of $1,690). 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 octubre 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$658Average$991FlexibilityNo cancel feeOn-time76%

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