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Cheap flights from Denver to Luxembourg from $447

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Denver to Luxembourg departing on 9/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Denver to Luxembourg

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
6:35 pm - 8:15 pmDEN  Denver Intl-LUX Luxembourg
17h 40m1 stop London Heathrow
British Airways Logo
9:55 pm - 3:10 pmLUX  Luxembourg-DEN Denver Intl
25h 15m1 stop London Heathrow
$695British Airways
Wed, Oct 21 - Wed, Nov 4
Lufthansa Logo
4:40 pm - 4:05 pmDEN  Denver Intl-LUX Luxembourg
15h 25m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss
Lufthansa Logo
6:50 am - 3:35 pmLUX  Luxembourg-DEN Denver Intl
16h 45m1 stop Frankfurt am Main
$696Lufthansa
Wed, Oct 21 - Wed, Nov 4
Multiple Airlines Logo
5:25 pm - 1:45 pmDEN  Denver Intl-LUX Luxembourg
12h 20m1 stop Frankfurt am Main
Multiple Airlines Logo
6:50 am - 6:13 pmLUX  Luxembourg-DEN Denver Intl
19h 23m2 stops Frankfurt am Main Vancouver Intl
$708Multiple Airlines
Tue, Dec 1 - Tue, Dec 8
Multiple Airlines Logo
9:40 am - 1:50 pmDEN  Denver Intl-LUX Luxembourg
20h 10m2 stops Vancouver Intl Frankfurt am Main
Multiple Airlines Logo
10:45 am - 8:27 pmLUX  Luxembourg-DEN Denver Intl
17h 42m2 stops Zurich Montreal Pierre Elliott Trudeau Intl
$708Multiple Airlines
Wed, Oct 21 - Wed, Nov 4
Lufthansa Logo
4:05 pm - 4:05 pmDEN  Denver Intl-LUX Luxembourg
16h 00m1 stop Munich Franz Josef Strauss
Lufthansa Logo
10:35 am - 3:35 pmLUX  Luxembourg-DEN Denver Intl
13h 00m1 stop Frankfurt am Main
$712Lufthansa
Tue, Oct 20 - Tue, Nov 3
Lufthansa Logo
4:05 pm - 4:05 pmDEN  Denver Intl-LUX Luxembourg
16h 00m1 stop Munich Franz Josef Strauss
Lufthansa Logo
6:50 am - 3:35 pmLUX  Luxembourg-DEN Denver Intl
16h 45m1 stop Frankfurt am Main
$712Lufthansa
Tue, Oct 20 - Thu, Nov 5
Air Canada Logo
7:50 pm - 9:30 amDEN  Denver Intl-LUX Luxembourg
53h 40m2 stops Vancouver Intl Zurich
Air Canada Logo
6:50 am - 6:13 pmLUX  Luxembourg-DEN Denver Intl
19h 23m2 stops Frankfurt am Main Vancouver Intl
$714Air Canada
Tue, Oct 20 - Fri, Nov 6
British Airways Logo
6:35 pm - 10:40 amDEN  Denver Intl-LUX Luxembourg
32h 05m1 stop London Heathrow
British Airways Logo
9:55 pm - 3:10 pmLUX  Luxembourg-DEN Denver Intl
25h 15m1 stop London Heathrow
$716British Airways
Mon, Oct 19 - Wed, Nov 4
British Airways Logo
6:35 pm - 10:25 amDEN  Denver Intl-LUX Luxembourg
31h 50m1 stop London Heathrow
British Airways Logo
5:10 pm - 3:10 pmLUX  Luxembourg-DEN Denver Intl
30h 00m1 stop London Heathrow
$716British Airways
Wed, Oct 21 - Mon, Nov 9
British Airways Logo
6:01 pm - 9:05 pmDEN  Denver Intl-LUX Luxembourg
20h 04m1 stop London Heathrow
British Airways Logo
9:55 pm - 3:10 pmLUX  Luxembourg-DEN Denver Intl
25h 15m1 stop London Heathrow
$716British Airways
Sun, Oct 25 - Tue, Nov 3

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Air Canada flights from Denver to Luxembourg

Our best Air Canada deals on Denver to Luxembourg flight tickets
Air Canada
Oct 20
DEN7:50 pmDenver Intl
53h 40m
2 stops
LUX9:30 amLuxembourg
Nov 6
LUX6:50 amLuxembourg
19h 23m
2 stops
DEN6:13 pmDenver Intl
$714
Air Canada
Oct 20
DEN7:50 pmDenver Intl
53h 40m
2 stops
LUX9:30 amLuxembourg
Nov 3
LUX6:50 amLuxembourg
21h 37m
2 stops
DEN8:27 pmDenver Intl
$717
Air Canada
Oct 18
DEN9:40 amDenver Intl
22h 25m
2 stops
LUX4:05 pmLuxembourg
Nov 3
LUX6:50 amLuxembourg
21h 37m
2 stops
DEN8:27 pmDenver Intl
$719

United Airlines flights from Denver to Luxembourg

Our best United Airlines deals on Denver to Luxembourg flight tickets
United Airlines
Sep 21
DEN4:15 pmDenver Intl
15h 50m
1 stop
LUX4:05 pmLuxembourg
Oct 9
LUX9:40 amLuxembourg
12h 40m
1 stop
DEN2:20 pmDenver Intl
$775
United Airlines
Sep 21
DEN4:15 pmDenver Intl
19h 15m
1 stop
LUX7:30 pmLuxembourg
Sep 29
LUX8:30 amLuxembourg
34h 01m
2 stops
DEN10:31 amDenver Intl
$777
United Airlines
Sep 22
DEN11:44 amDenver Intl
23h 46m
2 stops
LUX7:30 pmLuxembourg
Oct 7
LUX8:20 amLuxembourg
13h 15m
1 stop
DEN1:35 pmDenver Intl
$778

momondo 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, momondo users made 832,500 searches. Data last updated August 12, 2026.
Use the filters below to find and compare flights from Denver to Luxembourg that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverLuxembourg

DEN Denver Intl - LUX Luxembourg

DENLUX

Denver Intl

Wed 10/21

6:35 pm-8:15 pm

1 stop17h 40m

Luxembourg

Wed 11/4

9:55 pm-3:10 pm

1 stop25h 15m

$695

DenverLuxembourg

DEN Denver Intl - LUX Luxembourg

DENLUX

Denver Intl

Wed 10/21

4:40 pm-4:05 pm

2 stops15h 25m

Luxembourg

Wed 11/4

6:50 am-3:35 pm

1 stop16h 45m

$696

DenverLuxembourg

DEN Denver Intl - LUX Luxembourg

DENLUX

Denver Intl

Tue 12/1

5:25 pm-1:45 pm

1 stop12h 20m

Luxembourg

Tue 12/8

6:50 am-6:13 pm

2 stops19h 23m

$708

DenverLuxembourg

DEN Denver Intl - LUX Luxembourg

DENLUX

Denver Intl

Wed 10/21

9:40 am-1:50 pm

2 stops20h 10m

Luxembourg

Wed 11/4

10:45 am-8:27 pm

2 stops17h 42m

$708
Quickest round-trip

DenverLuxembourg

DEN Denver Intl - LUX Luxembourg

DENLUX

Denver Intl

Tue 10/20

4:05 pm-4:05 pm

1 stop16h 00m

Luxembourg

Tue 11/3

10:35 am-3:35 pm

1 stop13h 00m

$712

DenverLuxembourg

DEN Denver Intl - LUX Luxembourg

DENLUX

Denver Intl

Tue 10/20

4:05 pm-4:05 pm

1 stop16h 00m

Luxembourg

Thu 11/5

6:50 am-3:35 pm

1 stop16h 45m

$712

DenverLuxembourg

DEN Denver Intl - LUX Luxembourg

DENLUX

Denver Intl

Tue 10/20

7:50 pm-9:30 am

2 stops53h 40m

Luxembourg

Fri 11/6

6:50 am-6:13 pm

2 stops19h 23m

$714

DenverLuxembourg

DEN Denver Intl - LUX Luxembourg

DENLUX

Denver Intl

Mon 10/19

6:35 pm-10:40 am

1 stop32h 05m

Luxembourg

Wed 11/4

9:55 pm-3:10 pm

1 stop25h 15m

$716

DenverLuxembourg

DEN Denver Intl - LUX Luxembourg

DENLUX

Denver Intl

Wed 10/21

6:35 pm-10:25 am

1 stop31h 50m

Luxembourg

Mon 11/9

5:10 pm-3:10 pm

1 stop30h 00m

$716

DenverLuxembourg

DEN Denver Intl - LUX Luxembourg

DENLUX

Denver Intl

Sun 10/25

6:01 pm-9:05 pm

1 stop20h 04m

Luxembourg

Tue 11/3

9:55 pm-3:10 pm

1 stop25h 15m

$716

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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See travel insights to Luxembourg from

How to get the cheapest flight ticket from Denver to Luxembourg

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Luxembourg?

If you are unable to visit Luxembourg during the month of January, then departing from Denver during the month April is also very affordable. Most momondo users find prices during this month for around $571.

Can stopping save me money on Denver to Luxembourg flights?

You could potentially save up to 53% on your flight if you consider stops on a Denver to Luxembourg flight.

When to book flights from Denver to Luxembourg

Are you open to changing your travel dates? Check out the ideal times to fly from Denver to Luxembourg according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Denver to Luxembourg (DEN to LUX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Denver to Luxembourg

Fastest flight time

12h 20m

Direct flights

None
The fastest flight from Denver to Luxembourg takes 12h 20m
There are no direct flights from Denver to Luxembourg. There are no popular flight routes from Denver to Luxembourg.
Search flight deals

Frequently asked questions about flying from Denver to Luxembourg

  • How far is Denver Intl to Luxembourg by plane?

    The distance between Denver Intl and Luxembourg is about 4977.8 mi. Typically, this will take 12h 20m by plane in normal conditions.

  • When did momondo last update prices for flights from Denver Intl Airport to Luxembourg Airport?

    Prices for flights from Denver Intl Airport to Luxembourg Airport are updated daily.

  • How many operators does momondo search for flights from Denver Intl Airport to Luxembourg Airport?

  • How old do you have to be to fly from Denver Intl Airport to Luxembourg Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Denver Intl Airport to Luxembourg Airport.

  • What documentation or ID do you need to fly to Luxembourg Airport?

    The required travel and health documents for your Luxembourg Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Luxembourg Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Denver to Luxembourg?

Best airlines flying from Denver to Luxembourg

Compare and see reviews for airlines that fly from Denver to Luxembourg with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $486Free CancellationRating
6.7
8,159 reviews
Search British Airways flights
LufthansaPriceFrom $488Free CancellationRating
6.8
8,179 reviews
Search Lufthansa flights

Traveling to a place near Luxembourg?

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

Why use momondo?

Why should I use momondo to find a flight deal from Denver to Luxembourg?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Denver to Luxembourg. momondo saves you time and could save you money on your trip.

Can I find flights from Denver to Luxembourg with flexible booking policies on momondo?

All flight searches from Denver to Luxembourg on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Denver to Luxembourg?

momondo provides multiple filters to help you find the best flight to Luxembourg from Denver. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Denver to Luxembourg right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Denver to Luxembourg now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Luxembourg and let you know when they change.

An easier way to manage your Luxembourg trip

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Fly your favorite airline to Luxembourg

Airlines are sorted and displayed according to clicks in the past 7 days on momondo
British Airways
Lufthansa