Question 1

What are the cheapest airlines to fly from London Heathrow Airport to Luxembourg one-way?

Accepted Answer

For one-way options, check prices for British Airways. According to our data, you can fly for as low as £43. Users have also found prices from £96 and £111 on KLM and Lufthansa, respectively.

Question 2

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

Accepted Answer

Currently, March is the cheapest month in which you can book a flight from London Heathrow Airport to Luxembourg (average of £87). Flying from London Heathrow Airport to Luxembourg in August is currently the most expensive (average of £167). 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.

Question 3

What is the cheapest day to fly from London Heathrow Airport to Luxembourg?

Accepted Answer

Travellers seeking maximum savings on their London Heathrow Airport to Luxembourg flight should consider departing on Saturday mornings when fares are most often at their lowest. Sunday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

Question 4

E

Accepted Answer

In terms of precipitation, rainfall in Luxembourg ranges from 50.0 - 70.0 inches per month. November is typically the wettest month, when rainfall can reach 70.0 mm. February is typically the driest time to visit Luxembourg when rainfall is around 50.0 mm.

Question 5

E

Accepted Answer

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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 0.0 C).

Question 6

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

Accepted Answer

Looking for the cheapest flight from London Heathrow Airport to Luxembourg? While on average our users pay £102, our data indicates the cheapest price to be £51. The most popular route (London Heathrow - Luxembourg), is priced around £60.

Question 7

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

Accepted Answer

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

Question 8

What are the most popular airlines that fly from London Heathrow Airport to Luxembourg?

Accepted Answer

British Airways, KLM and Lufthansa are the most popular airlines when flying from London Heathrow Airport to Luxembourg.

Question 9

What is the cheapest day to fly round-trip from London Heathrow Airport to Luxembourg?

Accepted Answer

Users have found that leaving on a Friday can be a cost-effective option. It’s possible to save up to 93% on your flight compared to booking on days when demand is much higher.

Question 10

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

Accepted Answer

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 48 days in advance, which can save you up to 356% on flights from London Heathrow Airport to Luxembourg compared to booking the week you need them. Waiting 48 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at £75. For sooner than that we have options available in the next 3 days from £163.

Question 11

What is the cheapest month to fly from London Heathrow Airport to Luxembourg?

Accepted Answer

March is one of the best times of the year to fly to Luxembourg from London Heathrow Airport. Prices for March average £83 per person but you can even find prices for as low as £25. The most expensive prices can be found in the month of December. Opting for a March flight can save you 39% on your journey compared to booking in December

Question 12

What is the cheapest time of day to fly from LHR to LU?

Accepted Answer

It’s typically best to fly out from London Heathrow Airport to Luxembourg in the morning. Doing so could potentially save you 32% on the flight price compared to flying in the evening, which is usually more expensive.

Question 13

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

Accepted Answer

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

Question 14

How can I find direct flights from Heathrow to Luxembourg?

Accepted Answer

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

Question 15

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

Accepted Answer

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.

Question 16

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

Accepted Answer

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.

Question 17

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

Accepted Answer

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.

Question 18

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

Accepted Answer

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.

Question 19

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

Accepted Answer

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.

Round-trip from	£60
One-way from	£43
Popular in	December
Cheapest in	March
Average price	£79
Good round-trip deal	£80 or less
Good one-way deal	£51 or less

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£62	Average£104	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Lufthansa	Cheapest£123	Average£200	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
KLM	Cheapest£177	Average£272	FlexibilityNo cancel fee	On-time75%	Search KLM flights

Cheap flights from London Heathrow Airport to Luxembourg from £43

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 7/1. Fares are subject to change and may not be available on all flights or dates of travel.

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 15 July 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Heathrow to Luxembourg

Cheapest flights from Heathrow to LuxembourgExplore 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 15 July 2025.

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 15 July 2025.

Cheapflights Fare Finder

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

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.

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?

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 15 July 2025.

What is the cheapest day to fly from London Heathrow Airport to Luxembourg?

Use this chart to determine the cheapest time to fly return from Heathrow to Luxembourg. Price data was last updated on 13 July 2025.

Reviews of airlines servicing Luxembourg

Check out reviews from past customers who have flown with Aegean Airlines, KLM, andAir France 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.

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.

What are the cheapest airlines to fly from London Heathrow Airport to Luxembourg one-way?

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

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

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

How can I find direct flights from Heathrow to Luxembourg?

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

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

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Alternative routes for Heathrow to Luxembourg

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Top 3 airlines flying from Heathrow to Luxembourg

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

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

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

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

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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 15 July 2025.