Cheap flights from Luxembourg to London Heathrow Airport from £31

LUX — LHR
4 Dec — 11 Dec1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Luxembourg to London Heathrow are usually found in January or November, booked 74 days in advance, depart on a Friday or Saturday and return on a Friday

Cheap flight deals from Luxembourg to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Luxembourg to Heathrow

Wed 2/1221:55 -
Nonstop1h 15m
Sun 6/1206:05 -
Nonstop1h 20m
Deal found 1/11£72
Sat 5/1211:20 -
Nonstop1h 35m
Sun 6/1206:05 -
Nonstop1h 20m
Deal found 3/11£74
Fri 4/1221:55 -
Nonstop1h 15m
Sun 6/1206:05 -
Nonstop1h 20m
Deal found 3/11£75
Sat 5/1211:20 -
Nonstop1h 35m
Tue 8/1207:10 -
Nonstop1h 20m
Deal found 1/11£77
Thu 10/1222:00 -
Nonstop1h 15m
Sun 13/1206:05 -
Nonstop1h 20m
Deal found 31/10£80
Sun 22/1109:15 -
Nonstop1h 40m
Sun 29/1106:05 -
Nonstop1h 20m
Deal found 2/11£83
Tue 8/1221:55 -
Nonstop1h 15m
Sun 13/1206:05 -
Nonstop1h 20m
Deal found 3/11£84

Find flight deals from Luxembourg to Heathrow

Round-trip from

£72

One-way from

£31

Popular in

May

Cheapest in

January

Average price

£92

Good round-trip deal

£102 or less

Good one-way deal

£110 or less
British Airways
  • British Airways
  • 2/12-6/12
  • Nonstop
  • 2h 35m total
  • Luxembourg to London
British Airways
  • British Airways
  • 8/12-31/12
  • Nonstop
  • 1h 15m total
  • Luxembourg to London
Highest demand for flights based on searches. 19% potential increase in price (£21 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£4 potential savings vs. average return price).
Average for round-trip flights in November 2026
Price to beat on a round-trip flight from Luxembourg to London Heathrow.
Price to beat on a one-way flight from Luxembourg to London Heathrow.

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Luxembourg to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LuxembourgLondon

LUX Luxembourg - LHR London Heathrow

LUXLHR

Luxembourg

Thu 15/4

21:05-21:25

Nonstop1h 20m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£47
Fastest return journey

LuxembourgLondon

LUX Luxembourg - LHR London Heathrow

LUXLHR

Luxembourg

Fri 4/12

21:55-22:10

Nonstop1h 15m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£48

LuxembourgLondon

LUX Luxembourg - LHR London Heathrow

LUXLHR

Luxembourg

Sun 6/12

09:15-09:55

Nonstop1h 40m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£57

LuxembourgLondon

LUX Luxembourg - LHR London Heathrow

LUXLHR

Luxembourg

Sat 5/12

11:20-11:55

Nonstop1h 35m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£57

LuxembourgLondon

LUX Luxembourg - LHR London Heathrow

LUXLHR

Luxembourg

Mon 9/11

10:50-11:25

Nonstop1h 35m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£63

LuxembourgLondon

LUX Luxembourg - LHR London Heathrow

LUXLHR

Luxembourg

Sun 7/2

14:45-20:50

1 stop7h 05m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£64

LuxembourgLondon

LUX Luxembourg - LHR London Heathrow

LUXLHR

Luxembourg

Sun 31/1

18:20-20:50

1 stop3h 30m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£64

LuxembourgLondon

LUX Luxembourg - LHR London Heathrow

LUXLHR

Luxembourg

Tue 9/2

10:55-13:50

1 stop3h 55m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£64

LuxembourgLondon

LUX Luxembourg - LHR London Heathrow

LUXLHR

Luxembourg

Tue 22/12

06:05-09:00

1 stop3h 55m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£64

LuxembourgLondon

LUX Luxembourg - LHR London Heathrow

LUXLHR

Luxembourg

Wed 23/12

06:05-09:00

1 stop3h 55m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£77

Flights are sorted by cheapest return flights first.

Deals found on 30/10

Showing 1-10 of 23 resultsSorted by cheapest first
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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

Cheapflights Insights

Everything you need to know about your flight from Luxembourg to London Heathrow Airport

How far ahead should I book a flight from Luxembourg to London Heathrow Airport?

The price you pay for your flight from Luxembourg to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 73 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, January is the cheapest month in which you can book a flight from Luxembourg to London Heathrow Airport (average of £92). Flying from Luxembourg to London Heathrow Airport in May is currently the most expensive (average of £171). 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 LUX to LHR?

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.

How much does it cost for a return flight from Luxembourg to London Heathrow Airport?

Airfare is below average for this route at the moment.

Luxembourg to London Heathrow Airport flights typically cost between £87 and £107 in December.
The cheapest return price found within the last 5 days was £72 on British Airways (2 Dec–6 Dec).

Reviews of airlines servicing Heathrow

Check out reviews from past customers who have flown with British Airways from Luxembourg to London Heathrow Airport 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.

Crew

7.7

Boarding

7.0

Overall

6.7

Comfort

6.8

Entertainment

6.5

Food

6.4

Reviews

1 / 20
4.0
Okay

Anonymous,Oct 2026

MRS - LHR

Attendants didn't let me board with my fragile guitar so I had to check it in. Who knows what the freezing icicles did to it. Was not happy. Had to run to catch my connection in Heathrow after riding one bus and another train? Then, the fellow next to me asked if I would switch my window seat with his girlfriend who had a middle seat. What nerve! I said no. The food was unhealthy and the seats were cramped. Could not wait to exit.

Crew

7.7

Boarding

7.0

Overall

6.7

Comfort

6.8

Entertainment

6.5

Food

6.4

Reviews

1 / 20
4.0
Okay

Anonymous,Oct 2026

MRS - LHR

Attendants didn't let me board with my fragile guitar so I had to check it in. Who knows what the freezing icicles did to it. Was not happy. Had to run to catch my connection in Heathrow after riding one bus and another train? Then, the fellow next to me asked if I would switch my window seat with his girlfriend who had a middle seat. What nerve! I said no. The food was unhealthy and the seats were cramped. Could not wait to exit.

Related info for your journey

  • What airport do you fly from for flights from Luxembourg to London Heathrow?

    If you book a flight to London Heathrow from Luxembourg, you will be flying from Luxembourg, which is the city’s only airport. Luxembourg (LUX) is located 3.8 mi from the center of Luxembourg. There are 2 flights from Luxembourg to London Heathrow per day from 1 airline.

  • 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 15m. 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 is the cheapest airline to fly from Luxembourg to London Heathrow Airport round-trip?

    According to our current data, British Airways (£69), offers the cheapest pricing from Luxembourg to London Heathrow Airport. British Airways is priced at 43% lower than the current average price of a flight leaving 3 months from now.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Luxembourg to London Heathrow Airport on time: Japan Airlines (86%), Qatar Airways (77%), American Airlines (68%).

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

    Looking for the cheapest flight from Luxembourg to London Heathrow Airport? While on average our users pay £298, our data indicates the cheapest price to be £33. The most popular route (Luxembourg - London Heathrow), is priced around £84.

  • 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, January is the cheapest month in which you can book a flight from Luxembourg to London Heathrow Airport (average of £92). Flying from Luxembourg to London Heathrow Airport in May is currently the most expensive (average of £171). 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
Hounslow
Luton
Milton Keynes
Wembley
Gatwick
Slough
Ilford
Hayes
Croydon
Eastbourne
Northampton
Barnet
Brentford
Southend-on-Sea
Enfield
Southall
Harrow
Watford
Folkestone
Dagenham

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Luxembourg to Heathrow

Top airline flying from Luxembourg to Heathrow

AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£69Average£102FlexibilityNo cancel feeOn-time70%
Search British Airways flights

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Certainly. Search results for flights to Heathrow from Luxembourg 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 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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