Luxembourg

$694+ 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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — LUX
Apr 7 — Apr 141
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Colorado to Luxembourg with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 April 2, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$694
(American Airlines)

Popular in

June

Cheapest in

March

Average price

$792
Provider with most accurate pricing for Denver Intl-Luxembourg flight deals.
Provider most trusted by Cheapflights users for Denver Intl-Luxembourg flights.
From Colorado to Luxembourg
Highest demand for flights based on searches. 14% potential increase in price ($177 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($30 potential savings vs. average RT price).
Average for round-trip flights in April 2025

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 April 2, 2025.

This American Airlines deal was found by Cheapflights users on 4/1. 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 4/226:35 pmDEN - LUX
1 stop18h 15mAmerican Airlines
Tue 4/2910:05 pmLUX - DEN
1 stop26h 20mAmerican Airlines
Deal found 4/1$694
This Lufthansa deal was found by Cheapflights users on 4/1. 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.
Wed 5/144:15 pmDEN - LUX
1 stop19h 20mLufthansa
Tue 5/2710:40 amLUX - DEN
1 stop12h 55mLufthansa
Deal found 4/1$710
This Air Canada deal was found by Cheapflights users on 4/1. 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 5/147:45 amDEN - LUX
2 stops20h 25mAir Canada
Tue 5/2710:30 amLUX - DEN
2 stops31h 57mAir Canada
Deal found 4/1$711
This KLM deal was found by Cheapflights users on 4/1. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/144:06 pmDEN - LUX
2 stops13h 39mMultiple Airlines
Tue 5/277:30 amLUX - DEN
1 stop16h 00mMultiple Airlines
Deal found 4/1$721
This Lufthansa deal was found by Cheapflights users on 3/31. 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.
Sat 5/173:40 pmCOS - LUX
2 stops40h 30mLufthansa
Mon 5/264:45 pmLUX - COS
2 stops33h 07mLufthansa
Deal found 3/31$737
This Orbitz deal was found by Cheapflights users on 4/1. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/26:35 pmDEN - LUX
1 stop15h 50mBritish Airways
Thu 5/89:05 pmLUX - DEN
1 stop27h 20mBritish Airways
Deal found 4/1$756
This SWISS deal was found by Cheapflights users on 3/31. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/165:50 pmDEN - LUX
1 stop16h 30mSWISS
Tue 5/277:10 pmLUX - DEN
1 stop29h 10mSWISS
Deal found 3/31$762
This United Airlines deal was found by Cheapflights users on 4/1. 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.
Thu 5/154:15 pmDEN - LUX
1 stop19h 20mUnited Airlines
Tue 5/279:50 amLUX - DEN
1 stop16h 45mUnited Airlines
Deal found 4/1$768
This KLM deal was found by Cheapflights users on 4/1. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/142:35 pmDEN - LUX
2 stops15h 10mKLM
Mon 5/268:10 amLUX - DEN
2 stops17h 29mKLM
Deal found 4/1$785
This United deal was found by Cheapflights users on 4/1. 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.
Mon 5/193:40 pmCOS - LUX
2 stops33h 30mUnited Airlines
Tue 5/279:50 amLUX - COS
2 stops19h 58mUnited Airlines
Deal found 4/1$808
This Delta deal was found by Cheapflights users on 4/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1512:54 pmDEN - LUX
2 stops16h 51mDelta
Tue 5/278:10 amLUX - DEN
2 stops17h 40mDelta
Deal found 4/1$910
This Delta deal was found by Cheapflights users on 3/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/166:00 amCOS - LUX
2 stops20h 00mDelta
Mon 5/2610:30 amLUX - COS
2 stops40h 23mDelta
Deal found 3/31$1,035

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 April 2, 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

Tue 4/22

6:35 pm-8:50 pm

1 stop18h 15m

Luxembourg

Tue 4/29

10:05 pm-4:25 pm

1 stop26h 20m

$694

DenverLuxembourg

DEN - LUX

DENLUX

Denver Intl

Wed 5/14

4:15 pm-7:35 pm

1 stop19h 20m

Luxembourg

Tue 5/27

10:40 am-3:35 pm

1 stop12h 55m

$710

DenverLuxembourg

DEN - LUX

DENLUX

Denver Intl

Wed 5/14

7:45 am-12:10 pm

2 stops20h 25m

Luxembourg

Tue 5/27

10:30 am-10:27 am

2 stops31h 57m

$711

DenverLuxembourg

DEN - LUX

DENLUX

Denver Intl

Wed 5/14

4:06 pm-1:45 pm

2 stops13h 39m

Luxembourg

Tue 5/27

7:30 am-3:30 pm

1 stop16h 00m

$721

Colorado SpringsLuxembourg

COS - LUX

COSLUX

Colorado Springs

Sat 5/17

3:40 pm-4:10 pm

2 stops40h 30m

Luxembourg

Mon 5/26

4:45 pm-5:52 pm

2 stops33h 07m

$737

DenverLuxembourg

DEN - LUX

DENLUX

Denver Intl

Fri 5/2

6:35 pm-6:25 pm

1 stop15h 50m

Luxembourg

Thu 5/8

9:05 pm-4:25 pm

1 stop27h 20m

$756

DenverLuxembourg

DEN - LUX

DENLUX

Denver Intl

Fri 5/16

5:50 pm-6:20 pm

1 stop16h 30m

Luxembourg

Tue 5/27

7:10 pm-4:20 pm

1 stop29h 10m

$762

DenverLuxembourg

DEN - LUX

DENLUX

Denver Intl

Thu 5/15

4:15 pm-7:35 pm

1 stop19h 20m

Luxembourg

Tue 5/27

9:50 am-6:35 pm

1 stop16h 45m

$768

DenverLuxembourg

DEN - LUX

DENLUX

Denver Intl

Wed 5/14

2:35 pm-1:45 pm

2 stops15h 10m

Luxembourg

Mon 5/26

8:10 am-5:39 pm

2 stops17h 29m

$785

Colorado SpringsLuxembourg

COS - LUX

COSLUX

Colorado Springs

Mon 5/19

3:40 pm-9:10 am

2 stops33h 30m

Luxembourg

Tue 5/27

9:50 am-9:48 pm

2 stops19h 58m

$808

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Showing 1-10 of 13 results
1
2

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 $1,240). 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 April 2, 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.

Rainfall in Luxembourg by month

Plan your trip to Luxembourg by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Luxembourg ranges from 2.0 - 2.8 inches per month. November is typically the wettest month, when rainfall can reach 2.8 in. February is typically the driest time to visit Luxembourg when rainfall is around 2.0 in.

Temperature in Luxembourg by month

Plan your trip to Luxembourg by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Luxembourg, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

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 April 2, 2025.
Peruse reviews from past customers who have flown with Delta, SWISS and United Airlines from Colorado to Luxembourg to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good
8.0
Very good

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.
  • 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 $1,240). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Colorado to Luxembourg

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Colorado to Luxembourg

Discover the top 3 airlines 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 April 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$741Average$950FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$754Average$876FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$792Average$1,017FlexibilityNo cancel feeOn-time76%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.