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Cheap flights from London Heathrow Airport to Luxembourg from £49

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 31/12. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LUX
14 Dec — 21 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Luxembourg

Keep the following information in mind while searching for Heathrow to Luxembourg flight deals. Data was last updated 14 November 2025.

Round-trip from

£70

One-way from

£49

Popular in

December

Cheapest in

September

Average price

£90

Good round-trip deal

£79 or less

Good one-way deal

£94 or less
British Airways
  • British Airways
  • 20/3-22/3
  • Nonstop
  • 2h 50m total
  • London to Luxembourg
Search Deals
British Airways
  • British Airways
  • 31/12
  • Nonstop
  • 1h 20m total
  • London to Luxembourg
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£12 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (£4 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
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Price to beat on a round-trip flight from London Heathrow to Luxembourg.
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Price to beat on a one-way flight from London Heathrow to Luxembourg.
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Find flight deals from Heathrow to Luxembourg

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Luxembourg
Explore the most affordable flight options available from Heathrow to Luxembourg. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 November 2025.

Thu 25/1207:55LHR - LUX
Nonstop1h 20mBritish Airways
Wed 31/1215:55LUX - LHR
Nonstop1h 30mBritish Airways
Deal found 12/11£71
Wed 31/1207:55LHR - LUX
Nonstop1h 20mBritish Airways
Wed 31/1215:55LUX - LHR
Nonstop1h 30mBritish Airways
Deal found 13/11£71
Thu 11/1218:45LHR - LUX
Nonstop1h 25mBritish Airways
Mon 15/1221:55LUX - LHR
Nonstop1h 30mBritish Airways
Deal found 12/11£102
Wed 10/1218:45LHR - LUX
Nonstop1h 25mBritish Airways
Mon 15/1221:55LUX - LHR
Nonstop1h 30mBritish Airways
Deal found 12/11£110
Thu 11/1218:45LHR - LUX
Nonstop1h 25mBritish Airways
Thu 18/1221:55LUX - LHR
Nonstop1h 30mBritish Airways
Deal found 13/11£112
Fri 12/1207:55LHR - LUX
Nonstop1h 20mBritish Airways
Mon 15/1221:55LUX - LHR
Nonstop1h 30mBritish Airways
Deal found 12/11£115
Thu 25/1207:55LHR - LUX
Nonstop1h 20mMultiple Airlines
Wed 31/1214:40LUX - LHR
1 stop3h 20mMultiple Airlines
Deal found 12/11£118
Thu 4/1214:25LHR - LUX
Nonstop1h 25mBritish Airways
Mon 8/1221:55LUX - LHR
Nonstop1h 30mBritish Airways
Deal found 13/11£126
Sat 6/1208:10LHR - LUX
Nonstop1h 20mBritish Airways
Mon 15/1221:55LUX - LHR
Nonstop1h 30mBritish Airways
Deal found 12/11£132
Fri 14/1118:45LHR - LUX
Nonstop1h 25mBritish Airways
Fri 21/1111:00LUX - LHR
Nonstop1h 40mBritish Airways
Deal found 13/11£133
Fri 28/1107:55LHR - LUX
Nonstop1h 20mBritish Airways
Tue 2/1221:55LUX - LHR
Nonstop1h 30mBritish Airways
Deal found 12/11£134

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow 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 858,174 searches. Data last updated 14 November 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Luxembourg that are best for you.

Fly from

Heathrow

Fly to

Luxembourg

Route

Depart

Return

Price

LondonLuxembourg

LHR - LUX

LHRLUX

London Heathrow

Thu 12/3

07:55-10:15

Nonstop1h 20m

Luxembourg

Mon 16/3

10:50-11:30

Nonstop1h 40m

£74

LondonLuxembourg

LHR - LUX

LHRLUX

London Heathrow

Tue 14/4

19:00-21:20

Nonstop1h 20m

Luxembourg

Wed 15/4

21:35-21:55

Nonstop1h 20m

£74

LondonLuxembourg

LHR - LUX

LHRLUX

London Heathrow

Fri 20/2

07:55-10:15

Nonstop1h 20m

Luxembourg

Mon 23/2

17:10-17:40

Nonstop1h 30m

£74

LondonLuxembourg

LHR - LUX

LHRLUX

London Heathrow

Mon 6/4

08:25-10:45

Nonstop1h 20m

Luxembourg

Fri 10/4

21:15-21:35

Nonstop1h 20m

£88

LondonLuxembourg

LHR - LUX

LHRLUX

London Heathrow

Fri 12/12

07:55-10:15

Nonstop1h 20m

Luxembourg

Mon 15/12

21:55-22:25

Nonstop1h 30m

£115

LondonLuxembourg

LHR - LUX

LHRLUX

London Heathrow

Mon 6/4

08:25-10:45

Nonstop1h 20m

Luxembourg

Fri 10/4

06:10-09:00

1 stop3h 50m

£134

LondonLuxembourg

LHR - LUX

LHRLUX

London Heathrow

Thu 12/3

08:45-16:20

1 stop6h 35m

Luxembourg

Mon 16/3

17:00-21:00

1 stop5h 00m

£139

LondonLuxembourg

LHR - LUX

LHRLUX

London Heathrow

Sat 6/12

08:10-10:30

Nonstop1h 20m

Luxembourg

Tue 16/12

21:55-22:25

Nonstop1h 30m

£143

LondonLuxembourg

LHR - LUX

LHRLUX

London Heathrow

Thu 8/1

12:05-18:15

1 stop5h 10m

Luxembourg

Mon 12/1

17:00-21:00

1 stop5h 00m

£146

LondonLuxembourg

LHR - LUX

LHRLUX

London Heathrow

Tue 2/12

15:45-22:20

1 stop5h 35m

Luxembourg

Tue 9/12

14:45-19:15

1 stop5h 30m

£150

Flights are sorted by cheapest return flights first.

Deals found on 12/11

Showing 1-10 of 22 results
1
2
3

Best time to book a flight from Heathrow to Luxembourg

Have a flexible travel schedule? Discover the best time to fly to Luxembourg from Heathrow with our price prediction graph.
Estimated return 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 London Heathrow Airport to Luxembourg

What is the cheapest month to book a flight from London Heathrow Airport to Luxembourg?

Currently, March is the cheapest month in which you can book a flight from London Heathrow Airport to Luxembourg (average of £38). Flying from London Heathrow Airport to Luxembourg in September is currently the most expensive (average of £69). 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 LHR to LU?

Find hourly flight availability from Heathrow 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 14 November 2025.

It’s typically best to fly out from London Heathrow Airport to Luxembourg in the evening. Doing so could potentially save you 22% on the flight price compared to flying at midday, which is usually more expensive.

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 14 November 2025.
Check out reviews from past customers who have flown with Lufthansa and British Airways from London Heathrow Airport 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
7,572 reviews
Check prices

Crew

7.6

Comfort

6.8

Entertainment

6.4

Food

6.3

Overall

6.8

Boarding

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Oct 2025

LHR - FRA

Cut open our bags and stole out items. Broke the locks
Lufthansa
6.8
Okay
7,572 reviews
Lufthansa
6.8
Okay
7,572 reviews
Check prices

Crew

7.6

Comfort

6.8

Entertainment

6.4

Food

6.3

Overall

6.8

Boarding

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Oct 2025

LHR - FRA

Cut open our bags and stole out items. Broke the locks
British Airways
6.7
Okay
7,520 reviews
Lufthansa
6.8
Okay
7,572 reviews
Check prices

Crew

7.6

Comfort

6.8

Entertainment

6.4

Food

6.3

Overall

6.8

Boarding

7.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Oct 2025

LHR - FRA

Cut open our bags and stole out items. Broke the locks

Related info for your journey

Find useful and relevant information for your journey from Heathrow 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 London Heathrow Airport to Luxembourg?

    British Airways can get you from London Heathrow Airport to Luxembourg in just under 1h 20m. Your travel time will be generally consistent. The distance between London Heathrow Airport and Luxembourg is about 319 mi. Most flights are nonstop.

  • What are the most reliable airlines from London Heathrow Airport to Luxembourg?

    No one likes to see their flight delayed. When booking a flight from London Heathrow Airport to Luxembourg consider choosing American Airlines (80%), British Airways (80%) or Qatar Airways (71%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from London Heathrow Airport to Luxembourg?

    Looking for the cheapest flight from London Heathrow Airport to Luxembourg? While on average our users pay £127, our data indicates the cheapest price to be £65. The most popular route (London Heathrow - Luxembourg), is priced around £70.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Heathrow 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 London Heathrow Airport to Luxembourg?

    Currently, March is the cheapest month in which you can book a flight from London Heathrow Airport to Luxembourg (average of £38). Flying from London Heathrow Airport to Luxembourg in September is currently the most expensive (average of £69). 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 Heathrow to Luxembourg

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Heathrow to Luxembourg

Discover the top 2 airlines that operate flights from Heathrow 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 858,174 searches. Data last updated 14 November 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£66Average£108FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£127Average£205FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Heathrow to Luxembourg?

Deals for Heathrow to Luxembourg flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Luxembourg?

Cheapflights simply makes it quick and affordable to book flights from Heathrow to Luxembourg by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Heathrow to Luxembourg with no change fees?

Certainly. Search results for flights to Luxembourg from Heathrow shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Heathrow to Luxembourg become cheaper?

Yes, Cheapflights offers price alerts on Heathrow to Luxembourg flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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