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$552+ Cheap flights from Colorado 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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — LUX
oct. 15 — oct. 221
mer. 10/15
mer. 10/22
1 adult, Economy
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Cheap flight deals from Colorado to Luxembourg

Keep the following information in mind while searching for Colorado to Luxembourg flight deals. Data was last updated septembre 15, 2025.

Round-trip from

$525
(Scandinavian Airlines)

Popular in

June

Cheapest in

August

Average price

$1,067
From Colorado to Luxembourg
Search Deals
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 Colorado to Luxembourg

Cheapest flights from Colorado to Luxembourg
Explore the most affordable flight options available from Colorado to Luxembourg. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septembre 15, 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.
mar. 10/147:21 amDEN - LUX
2 stops19h 19mAmerican Airlines
mer. 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.
mar. 10/145:59 pmDEN - LUX
1 stop11h 51mLufthansa
mer. 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.
lun. 10/206:35 pmDEN - LUX
1 stop32h 05mBritish Airways
lun. 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.
lun. 10/206:44 pmDEN - LUX
2 stops18h 31mAmerican Airlines
lun. 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.
lun. 10/205:30 pmDEN - LUX
2 stops35h 55mAir Canada
lun. 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.
mar. 10/148:20 pmDEN - LUX
1 stop15h 15mMultiple Airlines
mer. 12/37:10 amLUX - DEN
2 stops20h 45mMultiple Airlines
Deal found 9/14$592
This United deal was found by Cheapflights users on 9/15. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/205:59 pmDEN - LUX
1 stop11h 41mMultiple Airlines
lun. 11/36:50 pmLUX - DEN
1 stop29h 10mMultiple Airlines
Deal found 9/15$618
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 10/87:52 amDEN - LUX
2 stops18h 08mAir Canada
dim. 10/128:25 amLUX - DEN
2 stops32h 17mAir Canada
Deal found 9/14$711
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 10/85:35 pmDEN - LUX
2 stops14h 35mUnited Airlines
dim. 10/129:50 amLUX - DEN
1 stop16h 50mUnited Airlines
Deal found 9/14$721
This Air Canada deal was found by Cheapflights users on 9/13. 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.
mar. 11/259:53 amDEN - LUX
2 stops19h 27mAir Canada
dim. 11/3010:50 amLUX - DEN
2 stops31h 33mAir Canada
Deal found 9/13$725
This Cheapflightsfares deal was found by Cheapflights users on 9/13. 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.
mar. 11/255:45 pmDEN - LUX
1 stop16h 15mLufthansa
dim. 11/308:05 pmLUX - DEN
2 stops27h 55mLufthansa
Deal found 9/13$729

Cheapflights Fare Finder

 
Customize your flight search to find flights from Colorado 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 septembre 15, 2025.
Use the filters below to find and compare flights from Colorado to Luxembourg that are best for you.

Fly from

Colorado

Fly to

Luxembourg

Route

Depart

Return

Price

DenverLuxembourg

DEN - LUX

DENLUX

Denver Intl

mar. 10/14

7:21 am-10:40 am

2 stops19h 19m

Luxembourg

mer. 12/3

9:55 pm-3:48 pm

2 stops25h 53m

$552

DenverLuxembourg

DEN - LUX

DENLUX

Denver Intl

mar. 10/14

5:59 pm-1:50 pm

1 stop11h 51m

Luxembourg

mer. 12/3

10:35 am-4:00 pm

1 stop13h 25m

$569

DenverLuxembourg

DEN - LUX

DENLUX

Denver Intl

lun. 10/20

6:35 pm-10:40 am

1 stop32h 05m

Luxembourg

lun. 11/3

5:10 pm-3:30 pm

1 stop30h 20m

$576

DenverLuxembourg

DEN - LUX

DENLUX

Denver Intl

mar. 10/14

8:20 pm-7:35 pm

1 stop15h 15m

Luxembourg

mer. 12/3

7:10 am-7:55 pm

2 stops20h 45m

$592

DenverLuxembourg

DEN - LUX

DENLUX

Denver Intl

lun. 10/20

5:59 pm-1:40 pm

1 stop11h 41m

Luxembourg

lun. 11/3

6:50 pm-4:00 pm

1 stop29h 10m

$618

DenverLuxembourg

DEN - LUX

DENLUX

Denver Intl

dim. 2/15

6:30 am-10:35 am

2 stops20h 05m

Luxembourg

ven. 2/20

7:25 am-10:55 pm

3 stops23h 30m

$640

DenverLuxembourg

DEN - LUX

DENLUX

Denver Intl

jeu. 3/12

1:46 pm-4:50 pm

2 stops20h 04m

Luxembourg

dim. 4/5

12:25 pm-11:04 pm

2 stops42h 39m

$660

DenverLuxembourg

DEN - LUX

DENLUX

Denver Intl

jeu. 3/12

6:25 pm-9:10 pm

1 stop19h 45m

Luxembourg

dim. 4/5

9:20 pm-4:25 pm

1 stop27h 05m

$679

DenverLuxembourg

DEN - LUX

DENLUX

Denver Intl

jeu. 3/12

5:20 pm-4:20 pm

1 stop16h 00m

Luxembourg

dim. 4/5

8:15 am-3:35 pm

1 stop15h 20m

$694

DenverLuxembourg

DEN - LUX

DENLUX

Denver Intl

jeu. 3/12

11:15 am-10:00 am

2 stops15h 45m

Luxembourg

dim. 4/5

8:15 am-3:35 pm

1 stop15h 20m

$698

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 11 results
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Best time to book a flight from Colorado to Luxembourg

Have a flexible travel schedule? Discover the best time to fly to Luxembourg from Colorado 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 Colorado to Luxembourg

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

Currently, February is the cheapest month in which you can book a flight from Colorado to Luxembourg (average of $638). Flying from Colorado 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 CO to LU?

Find hourly flight availability from Colorado 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 septembre 15, 2025.

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

Related info for your journey

Find useful and relevant information for your journey from Colorado 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 Colorado to Luxembourg?

    There are many flights that can get you from Colorado to Luxembourg in 11h 51m. Fly via American Airlines, Lufthansa, or British Airways to get the fastest option. The distance from Colorado to Luxembourg is about 4963 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Colorado 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 Colorado to Luxembourg?

    Currently, February is the cheapest month in which you can book a flight from Colorado to Luxembourg (average of $638). Flying from Colorado 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

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Alternative routes for Colorado 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 Colorado to Luxembourg

Discover the top airline that operate flights from Colorado 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 septembre 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$658Average$970FlexibilityNo cancel feeOn-time76%

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