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Cheap flights from Luxembourg to London Heathrow Airport from £27

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 15/12. Fares are subject to change and may not be available on all flights or dates of travel.
LUX — LHR
2 Dec — 9 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Luxembourg to Heathrow

Keep the following information in mind while searching for Luxembourg to Heathrow flight deals. Data was last updated 2 November 2025.

Round-trip from

£69

One-way from

£27

Popular in

December

Cheapest in

March

Average price

£75

Good round-trip deal

£71 or less

Good one-way deal

£68 or less
British Airways
  • British Airways
  • 16/12-6/1
  • Nonstop
  • 3h 00m total
  • Luxembourg to London
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British Airways
  • British Airways
  • 15/12
  • Nonstop
  • 1h 30m total
  • Luxembourg to London
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£5 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% 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 Luxembourg to London Heathrow.
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Price to beat on a one-way flight from Luxembourg to London Heathrow.
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Find flight deals from Luxembourg to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Luxembourg to Heathrow
Explore the most affordable flight options available from Luxembourg to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 November 2025.

Tue 16/1210:15LUX - LHR
Nonstop1h 40mBritish Airways
Tue 6/107:10LHR - LUX
Nonstop1h 20mBritish Airways
Deal found 31/10£69
Wed 19/1111:00LUX - LHR
Nonstop1h 40mBritish Airways
Sat 22/1108:10LHR - LUX
Nonstop1h 20mBritish Airways
Deal found 31/10£70
Tue 9/1210:15LUX - LHR
Nonstop1h 40mBritish Airways
Wed 10/1218:45LHR - LUX
Nonstop1h 25mBritish Airways
Deal found 30/10£71
Tue 9/1210:15LUX - LHR
Nonstop1h 40mBritish Airways
Thu 11/1218:45LHR - LUX
Nonstop1h 25mBritish Airways
Deal found 2/11£71
Mon 8/1221:55LUX - LHR
Nonstop1h 30mBritish Airways
Wed 10/1218:45LHR - LUX
Nonstop1h 25mBritish Airways
Deal found 31/10£75
Mon 8/1221:55LUX - LHR
Nonstop1h 30mBritish Airways
Fri 12/1207:55LHR - LUX
Nonstop1h 20mBritish Airways
Deal found 2/11£75
Mon 8/1221:55LUX - LHR
Nonstop1h 30mBritish Airways
Thu 11/1218:45LHR - LUX
Nonstop1h 25mBritish Airways
Deal found 31/10£76
Wed 17/1215:55LUX - LHR
Nonstop1h 30mBritish Airways
Thu 18/1207:55LHR - LUX
Nonstop1h 20mBritish Airways
Deal found 1/11£78
Wed 17/1215:55LUX - LHR
Nonstop1h 30mBritish Airways
Wed 24/1218:45LHR - LUX
Nonstop1h 25mBritish Airways
Deal found 2/11£82
Fri 21/1121:55LUX - LHR
Nonstop1h 30mBritish Airways
Sat 22/1108:10LHR - LUX
Nonstop1h 20mBritish Airways
Deal found 31/10£83
Tue 16/1210:15LUX - LHR
Nonstop1h 40mBritish Airways
Tue 23/1207:10LHR - LUX
Nonstop1h 20mBritish Airways
Deal found 1/11£84

Cheapflights Fare Finder

 
Customise your flight search to find flights from Luxembourg to Heathrow 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 2 November 2025.
Use the filters below to find and compare flights from Luxembourg to London Heathrow Airport that are best for you.

Fly from

Luxembourg

Fly to

Heathrow

Route

Depart

Return

Price

LuxembourgLondon

LUX - LHR

LUXLHR

Luxembourg

Tue 9/12

21:55-22:25

Nonstop1h 30m

London Heathrow

Thu 11/12

18:45-21:10

Nonstop1h 25m

£71

LuxembourgLondon

LUX - LHR

LUXLHR

Luxembourg

Tue 9/12

10:15-10:55

Nonstop1h 40m

London Heathrow

Wed 10/12

18:45-21:10

Nonstop1h 25m

£71

LuxembourgLondon

LUX - LHR

LUXLHR

Luxembourg

Mon 8/12

21:55-22:25

Nonstop1h 30m

London Heathrow

Thu 11/12

18:45-21:10

Nonstop1h 25m

£76

LuxembourgLondon

LUX - LHR

LUXLHR

Luxembourg

Mon 8/12

21:55-22:25

Nonstop1h 30m

London Heathrow

Tue 9/12

07:10-09:30

Nonstop1h 20m

£94

LuxembourgLondon

LUX - LHR

LUXLHR

Luxembourg

Wed 3/12

21:55-22:25

Nonstop1h 30m

London Heathrow

Wed 10/12

18:45-21:10

Nonstop1h 25m

£94

LuxembourgLondon

LUX - LHR

LUXLHR

Luxembourg

Mon 23/3

10:50-11:30

Nonstop1h 40m

London Heathrow

Thu 26/3

14:25-16:50

Nonstop1h 25m

£94

LuxembourgLondon

LUX - LHR

LUXLHR

Luxembourg

Tue 7/4

22:05-22:25

Nonstop1h 20m

London Heathrow

Fri 10/4

08:05-10:25

Nonstop1h 20m

£97

LuxembourgLondon

LUX - LHR

LUXLHR

Luxembourg

Thu 23/4

21:05-21:25

Nonstop1h 20m

London Heathrow

Fri 24/4

08:05-10:25

Nonstop1h 20m

£97

LuxembourgLondon

LUX - LHR

LUXLHR

Luxembourg

Thu 19/2

21:55-22:25

Nonstop1h 30m

London Heathrow

Sun 22/2

15:05-17:30

Nonstop1h 25m

£110

LuxembourgLondon

LUX - LHR

LUXLHR

Luxembourg

Wed 19/11

11:00-11:40

Nonstop1h 40m

London Heathrow

Wed 26/11

18:45-21:10

Nonstop1h 25m

£119

Flights are sorted by cheapest return flights first.

Deals found on 1/11

Showing 1-10 of 22 results
1
2
3

Best time to book a flight from Luxembourg to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Luxembourg 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 Luxembourg to London Heathrow Airport

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

Currently, October is the cheapest month in which you can book a flight from Luxembourg to London Heathrow Airport (average of £35). Flying from Luxembourg to London Heathrow Airport in December is currently the most expensive (average of £74). 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 LU to LHR?

Find hourly flight availability from Luxembourg to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 2 November 2025.

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

Weekly flight availability from Luxembourg to London Heathrow Airport

Explore weekly flight availability from Luxembourg to Heathrow. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 2 November 2025.

The most flights from LU0 to LHR are scheduled on a Wednesday (5 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated 2 November 2025.
Read through reviews of airlines operating flights from Luxembourg to London Heathrow Airport, such as British Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
7,494 reviews
Check prices

Food

6.3

Crew

7.6

Entertainment

6.4

Comfort

6.7

Overall

6.7

Boarding

6.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.
British Airways
6.7
Okay
7,494 reviews
British Airways
6.7
Okay
7,494 reviews
Check prices

Food

6.3

Crew

7.6

Entertainment

6.4

Comfort

6.7

Overall

6.7

Boarding

6.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.

Related info for your journey

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

    British Airways can get you from Luxembourg to London Heathrow Airport in just under 1h 30m. Your travel time will be generally consistent. Luxembourg and London Heathrow Airport are separated by a distance of 319 mi. All flights are typically direct.

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

    Before booking your flight to London Heathrow Airport from Luxembourg, check out the most reliable airlines to get you to your destination on time: American Airlines (88%), British Airways (88%), Japan Airlines( 85%).

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

    The cheapest flight price from Luxembourg to London Heathrow Airport is £24. On average you can expect to pay £121. The most popular route, (Luxembourg - London Heathrow), can usually be booked for £69.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Luxembourg to London Heathrow Airport (average of £35). Flying from Luxembourg to London Heathrow Airport in December is currently the most expensive (average of £74). 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

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Slough
Gatwick
Hounslow
Northampton
Luton
Ilford
Wembley
Deal
Hayes
Colchester
Watford
Winchester
Chichester
Swindon
Crawley
Romford
Brentford
Ipswich

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Alternative routes for Luxembourg to Heathrow

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

Discover the top airline that operate flights from Luxembourg to Heathrow. 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 2 November 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£66Average£84FlexibilityNo cancel feeOn-time70%
Search British Airways 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 Luxembourg to Heathrow?

Cheapflights helps you search for flights from Luxembourg to Heathrow via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Luxembourg to Heathrow.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Luxembourg to Heathrow, users can toggle the no change fees filter when performing a flight search.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Heathrow from Luxembourg today and book when prices fit your budget.

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