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Luxembourg

$575+ 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 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — LUX
Dec 5 — Dec 121
Fri 12/5
Fri 12/12
1 adult, Economy
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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 November 5, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/3. 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 11/44:20 pmDEN - LUX
1 stop16h 00mLufthansa
Tue 11/1110:35 amLUX - DEN
1 stop13h 25mLufthansa
Deal found 11/3$575
This Gotogate deal was found by Cheapflights users on 11/3. 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.
Tue 11/45:45 pmDEN - LUX
1 stop12h 10mMultiple Airlines
Tue 11/117:10 amLUX - DEN
2 stops20h 45mMultiple Airlines
Deal found 11/3$607
This Lufthansa deal was found by Cheapflights users on 11/3. 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 11/174:20 pmDEN - LUX
1 stop16h 00mLufthansa
Thu 11/278:10 amLUX - DEN
1 stop15h 50mLufthansa
Deal found 11/3$618
This United Airlines deal was found by Cheapflights users on 11/3. 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 11/174:20 pmDEN - LUX
1 stop16h 00mUnited Airlines
Tue 11/259:30 amLUX - DEN
1 stop17h 25mUnited Airlines
Deal found 11/3$620
This Air Canada deal was found by Cheapflights users on 11/3. 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.
Sat 11/1511:15 amDEN - LUX
2 stops38h 50mAir Canada
Tue 11/257:10 amLUX - DEN
2 stops33h 43mAir Canada
Deal found 11/3$621
This United Airlines deal was found by Cheapflights users on 11/3. 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 11/185:25 pmDEN - LUX
2 stops14h 55mUnited Airlines
Tue 11/259:30 amLUX - DEN
1 stop17h 25mUnited Airlines
Deal found 11/3$625
This Air Canada deal was found by Cheapflights users on 11/3. 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.
Wed 11/191:25 pmDEN - LUX
2 stops16h 35mAir Canada
Tue 11/257:10 amLUX - DEN
2 stops20h 45mAir Canada
Deal found 11/3$627
This Air Canada deal was found by Cheapflights users on 11/3. 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 11/181:25 pmDEN - LUX
2 stops15h 55mAir Canada
Thu 11/277:05 amLUX - DEN
2 stops35h 18mAir Canada
Deal found 11/3$634
This United Airlines deal was found by Cheapflights users on 11/3. 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 11/47:45 amDEN - LUX
3 stops24h 35mUnited Airlines
Tue 11/119:30 amLUX - DEN
2 stops20h 25mUnited Airlines
Deal found 11/3$635
This British Airways deal was found by Cheapflights users on 11/3. 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 11/165:25 pmDEN - LUX
1 stop19h 40mBritish Airways
Tue 11/259:55 pmLUX - DEN
1 stop25h 35mBritish Airways
Deal found 11/3$667
This United Airlines deal was found by Cheapflights users on 11/3. 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.
Sat 11/158:20 pmDEN - LUX
1 stop12h 00mUnited Airlines
Tue 11/259:30 amLUX - DEN
1 stop17h 25mUnited Airlines
Deal found 11/3$670

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 November 5, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$618
(Lufthansa)

Popular in

June

Cheapest in

August

Average price

$941
Provider with most accurate pricing for Denver Intl-Luxembourg flight deals.
Search Deals
Provider most trusted by Cheapflights users for Denver Intl-Luxembourg flights.
Search Deals
From Denver Intl to Luxembourg
Search Deals
Highest demand for flights based on searches. 26% potential increase in price ($354 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($66 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

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 November 5, 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 11/17

11:15 am-4:20 pm

2 stops21h 05m

Luxembourg

Thu 11/27

8:10 am-5:44 pm

2 stops17h 34m

$618

DenverLuxembourg

DEN - LUX

DENLUX

Denver Intl

Tue 11/18

4:20 pm-4:20 pm

1 stop16h 00m

Luxembourg

Thu 11/27

7:05 am-4:00 pm

1 stop16h 55m

$618

DenverLuxembourg

DEN - LUX

DENLUX

Denver Intl

Mon 11/17

4:20 pm-4:20 pm

1 stop16h 00m

Luxembourg

Thu 11/27

8:10 am-4:00 pm

1 stop15h 50m

$618

DenverLuxembourg

DEN - LUX

DENLUX

Denver Intl

Mon 11/17

4:06 pm-4:20 pm

2 stops16h 14m

Luxembourg

Tue 11/25

9:30 am-6:55 pm

1 stop17h 25m

$625

DenverLuxembourg

DEN - LUX

DENLUX

Denver Intl

Tue 11/18

5:25 pm-4:20 pm

2 stops14h 55m

Luxembourg

Tue 11/25

9:30 am-6:55 pm

1 stop17h 25m

$625

DenverLuxembourg

DEN - LUX

DENLUX

Denver Intl

Sun 11/16

8:00 am-4:20 pm

2 stops24h 20m

Luxembourg

Tue 11/25

9:30 am-5:45 pm

2 stops16h 15m

$635

DenverLuxembourg

DEN - LUX

DENLUX

Denver Intl

Fri 3/27

11:40 am-10:25 am

2 stops15h 45m

Luxembourg

Tue 3/31

2:35 pm-11:54 pm

2 stops17h 19m

$640

DenverLuxembourg

DEN - LUX

DENLUX

Denver Intl

Fri 3/27

1:25 pm-1:35 pm

2 stops17h 10m

Luxembourg

Tue 3/31

2:35 pm-4:35 pm

2 stops34h 00m

$645

DenverLuxembourg

DEN - LUX

DENLUX

Denver Intl

Thu 3/12

5:20 pm-7:30 pm

1 stop19h 10m

Luxembourg

Sun 4/5

6:15 am-3:35 pm

1 stop17h 20m

$654

DenverLuxembourg

DEN - LUX

DENLUX

Denver Intl

Sun 11/16

5:25 pm-9:05 pm

1 stop19h 40m

Luxembourg

Tue 11/25

9:55 pm-3:30 pm

1 stop25h 35m

$667

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

Showing 1-10 of 11 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, 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 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 November 5, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 22% on flights from Denver to Luxembourg by exploring options for tickets in the evening.

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 November 5, 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
7,555 reviews

Entertainment

6.4

Boarding

7.0

Crew

7.6

Food

6.3

Comfort

6.8

Overall

6.8

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
7,555 reviews
Lufthansa
6.8
Okay
7,555 reviews

Entertainment

6.4

Boarding

7.0

Crew

7.6

Food

6.3

Comfort

6.8

Overall

6.8

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?

    Air Canada, Lufthansa, and United Airlines can get you from Denver to Luxembourg in just under 16h. Your travel time can differ by up to 5h 05m. 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, 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

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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 November 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$618Average$991FlexibilityNo cancel feeOn-time76%

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